09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Measuring or testing machines and instruments; automatic
lens measuring instruments, not for medical purposes;
optical machines and apparatus. Ophthalmic apparatus and instruments; medical apparatus and
instruments.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
Goods & Services
Measuring or testing machines and instruments; automatic
lens measuring instruments, not for medical purposes;
optical machines and apparatus. Ophthalmic apparatus and instruments; medical apparatus and
instruments.
3.
FUNDUS IMAGING APPARATUS, METHOD OF CONTROLLING FUNDUS IMAGING APPARATUS, AND PROGRAM
A fundus imaging apparatus includes two or more curved mirrors, an illumination optical system, an image sensor, and a controller. The illumination optical system irradiates slit-shaped illumination light onto a fundus of an eye to be examined through the two or more curved mirrors, and illuminates the fundus while moving an illumination region. The image sensor is arrangeable at a fundus conjugate position substantially conjugate optically to the fundus, and receives returning light from the eye to be examined. The controller controls at least the illumination optical system. A longitudinal direction of an image formed by the illumination light on the fundus is approximately parallel to a plane including two or more focal points of the two or more curved mirrors. The controller controls the illumination optical system so that the image described above moves in a direction intersecting the longitudinal direction on the fundus.
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/14 - Arrangements specially adapted for eye photography
Blood flow information is extracted from speckle information of a time series of structural optical coherence tomography (OCT) images. Flow information can be determined from high-frequency information of the OCT images, a speckle density of the OCT images, from a co-occurrence matrix applied to the OCT image, from a machine learning analysis of an input OCT image, or the like. A flow profile analogous to a pulse waveform is then generated as a time series of the extracted flow information.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
G01P 5/26 - Measuring speed of fluids, e.g. of air streamMeasuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the direct influence of the streaming fluid on the properties of a detecting optical wave
An ophthalmic information processing apparatus includes an acquisition unit, a segmentation processor, and a display controller. The acquisition unit is configured to acquire image data of a first tomographic image obtained by performing optical coherence tomography on an eye to be examined. The segmentation processor is configured to perform segmentation processing on the first tomographic image based on the image data to identify a boundary of a layer region in a depth direction. The display controller is configured to distinguishably display the boundary of the layer region identified by the segmentation processor, and one or more boundary candidate information representing a modification candidate of the boundary on a display means.
An ophthalmic information processing apparatus includes an acquisition unit, a segmentation processor, and a display controller. The acquisition unit is configured to acquire an OCT image and one or more tomographic information images. The OCT image is a tomographic image of an eye to be examined. The one or more tomographic information images are generated using a method different from a method of generating the OCT image and represent tomographic information of the eye to be examined. The segmentation processor is configured to perform segmentation processing on the OCT image to identify a boundary of a layer region in a depth direction. The display controller is configured to display the OCT image, in which the boundary identified by the segmentation processor is distinguishably depicted, and the one or more tomographic information images on a display means.
An ophthalmological device 1 according to an exemplary embodiment of the present invention executes, by an imaging control unit 71, combined control involving: control of a focal position changing unit 31 for sequentially applying a plurality of different focal positions; control of an exposure amount changing unit 32 for sequentially applying to a plurality of different exposure amounts; and control for causing an imaging optical system 3 to acquire time-series images. Thus, for each of the plurality of different focal positions, a first image group corresponding to a plurality of different exposure amounts is acquired. Furthermore, the ophthalmological device 1 generates, by an image processing unit 81, a single image by combining the plurality of first image groups obtained for the plurality of different focus positions.
A method and apparatus is provided for determining a mobile station's position by utilizing modified Wi-Fi signals and transmitting and receiving Wi-Fi signals by a plurality of base stations, receiving signals transmitted by these base stations (which have known coordinates) and located in some proximity to the mobile station, and calculating position coordinates of the mobile station (also referred to herein as a mobile object) based on the signals.
A vehicle autosteering system having a controller determines steering commands based on GNSS receiver position data, inertial measurement system data, and steering shaft rotation encoder data. The controller outputs a signal to drive an electric motor that rotates the vehicles steering shaft, changing the steering angle and guiding the vehicle along a predefined path e.g., a straight line.
A chin rest device, wherein the chin rest device is configured to be detachably attached to an optical table or a pedestal, the optical table of an ophthalmologic apparatus is configured to acquire information about a subject eye, and the pedestal is configured to support a measurement head for acquiring information about the subject eye such that the measurement head is movable in horizontal and vertical directions. The chin rest device comprises an attachment that is configured to be detachably attached to the optical table or the pedestal; and a chin rest portion that is configured to extend from the attachment toward a chin of an examinee to support the chin.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/117 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
Systems and methods are provided for determining a material density of a harvested crop. The method includes receiving a measurement of a first throughput signal; receiving a measurement of a second throughput signal, wherein the second throughput signal is more sensitive to changes in material density than the first throughput signal; comparing the first throughput signal to the second throughput signal; and determining a material density index value based on the comparison of the first throughput signal to the second throughput signal.
A method and apparatus for mitigation of GNSS-signal interference using an adaptive notch filter (ANF) operates based on signals received from one or more satellites of a Global Navigation Satellite System (GNSS) such as GPS, GLONASS, etc. In one embodiment, an apparatus comprises a notch filter having a tunable zero frequency of a transfer function receives an input signal and generates an output signal. A bandpass filter coupled to the output of the notch filter receives the output signal. An adaptive block is coupled to the bandpass filter and adjusts the notch filter parameters in order to achieve the minimization of a specific cost function.
Systems, methods and machines are provided for determining a free-running pressure of a machine. The method can include receiving a measurement of a temperature of a hydraulic fluid within a hydraulic circuit of the machine, the hydraulic circuit including a hydraulic motor configured to pump the hydraulic fluid through the hydraulic circuit; receiving a measurement of a first pressure of the hydraulic fluid at a first point within the hydraulic circuit; and determining the free-running pressure of the hydraulic motor based on the temperature of the hydraulic fluid.
To enable a worker to intuitively understand a work target place from the worker's perspective while ensuring a highly-accurate position measurement in a work site. A guide system to assist a worker with work in a work site, including: a guide terminal held by the worker having an imaging unit for capturing a new image; an imaging position calculation unit using position information of associated common feature points and a new image to calculate position information of an imaging position and an imaging posture of the new image; a selection unit for selecting a work target that should be guided as to its scheduled installation position; and a guide calculation unit for outputting, to the worker, guide information from the imaging position of the new image to the scheduled installation position of the work target object or the work target point.
Systems and methods are provided for determining a material density of a harvested crop. The method includes receiving a measurement of a first throughput signal; receiving a measurement of a second throughput signal, wherein the second throughput signal is more sensitive to changes in material density than the first throughput signal; comparing the first throughput signal to the second throughput signal; and determining a material density index value based on the comparison of the first throughput signal to the second throughput signal.
A broadband GNSS antenna has a broadband patch radiator with top slot excitation and a one-groove slotted vertical choke-ring structure around the patch radiator. The patch radiator includes a radiator ground plane, a slotted-fed radiation patch, a broadband feeding network, and a set of elements with vertical currents. The vertical choke-ring structure contains a top conducting surface with a set of slots, a bottom conducting surface and an adjacent vertical conducting cylinder.
A laser scanner 1 is provided with: a light emitting part 105 for emitting laser light L1 for distance measurement; a laser light reception part 106 for receiving laser reflection light L2; a scanning drive part 104d capable of rotating the emitting direction of the laser light L1 for distance measurement by 180 degrees or more around a horizontal axis; a measurement part 101b for measuring a reflection source of the laser reflection light L2; a calibration reference setting part 101c for setting a reflection source 500, which has a prescribed characteristic, as a calibration reference; a calibration operation part 101d for calculating a front-side measured value and a reverse-side measured value respectively measured by the measurement part 101b when the emitting direction is in the front side and the reverse side of the scanning drive part 104d in the case where the laser light L1 for distance measurement is emitted to the calibration reference; and a correction value calculation part 101e for calculating a correction value of a measurement result of the reflection source from the difference between the measured values.
This optical coherence tomography device includes an optical system, a storage unit, and a control unit. The optical system is configured so that an optical condition can be changed, and is configured to acquire optical coherence tomography data of an object to be measured by scanning the object to be measured with measurement light. The storage unit stores, in advance, setting information per each scan region in the object to be measured, for setting the optical condition of the optical system so that the image quality of an image formed on the basis of the optical coherence tomography data is not less than a prescribed image quality level. The control unit causes the optical coherence tomography to be performed on the object to be measured while changing the optical condition of the optical system on the basis of the setting information according to the scan region of the measurement light on the object to be measured.
Provided is an object measurement device for measuring the shape of an object by recognizing the object using a machine learning model, automating determination of an edge detection direction and determination of a region for performing edge processing, and performing highly accurate edge extraction in units of sub-pixels, for example. An object measurement device according to the present invention comprises: an object recognition unit that recognizes an object in an image by inputting an acquired image as input data into a trained model, and outputs a region of the object as a recognition result; an edge detection direction determination unit that determines an edge detection direction for the region of the object recognized by the object recognition unit; an edge processing region determination unit that determines an edge processing region for the region of the object recognized by the object recognition unit; and an edge detection unit that performs edge detection in the edge detection direction determined by the edge detection direction determination unit, for the edge processing region determined by the edge processing region determination unit.
G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersectionsConnectivity analysis, e.g. of connected components
G06V 10/70 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning
G06V 10/74 - Image or video pattern matchingProximity measures in feature spaces
G06V 20/70 - Labelling scene content, e.g. deriving syntactic or semantic representations
An ophthalmologic apparatus includes a visual-target presenting portion that is configured to present visual targets to left and right subject eyes, respectively; and an objective measurement optical system that is configured to objectively measure eye characteristics of the left and right subject eyes, respectively. The visual-target presenting portion is configured to present the visual targets while changing a convergence position, where two lines of sight from positions of the left and right subject eyes intersect, with pinhole plates respectively disposed at positions conjugate with pupils of the left and right subject eyes. The objective measurement optical system is configured to obtain the objective refractive values of the left and right subject eyes, respectively, under a condition where the pinhole plates are respectively disposed by the visual-target presenting portion and the visual targets presented at the convergence position are binocularly fused.
A61B 3/103 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
Systems, methods and machines are provided for determining a free-running pressure of a machine. The method can include receiving a measurement of a temperature of a hydraulic fluid within a hydraulic circuit of the machine, the hydraulic circuit including a hydraulic motor configured to pump the hydraulic fluid through the hydraulic circuit; receiving a measurement of a first pressure of the hydraulic fluid at a first point within the hydraulic circuit; and determining the free-running pressure of the hydraulic motor based on the temperature of the hydraulic fluid.
This optical coherence tomography device includes an optical system and a control unit. The optical system is configured so as to allow an optical condition to be changed and includes an optical scanner, and is configured to scan an object under measurement with measurement light using an optical scanner and thereby acquire optical coherence tomography data for an object under measurement. The control unit controls the optical scanner so as to scan the object under measurement with the measurement light along a high-speed scan axis with reference to a reference position moving along a low-speed scan axis. The control unit changes an optical condition in synchronization with the period of a low-speed scan along the low-speed scan axis.
Provided are a novel measurement module and a novel three-dimensional data measurement system that make it possible to measure three-dimensional data without using a pole on which a prism is mounted. A three-dimensional data measurement system (1) comprises a prism (51), an optical distance meter (52), an inertia measurement device (53), a communication unit (58) that acquires position coordinates for the prism, and at least one processor (60). The processor (60) is a measurement module (50) that is configured to calculate position coordinates for the position of the module itself on the basis of orientation information and the position coordinates for the prism (51), and to calculate position coordinates for an irradiation point on the basis of the orientation information, the position coordinates for the position of the module itself, and the distance to the irradiation point. The processor (60) determines that the irradiation point is within an intended measurement point range that has been set at a prescribed threshold around an intended measurement point set in a measurement range for data in a measurement region and performs measurement.
Provided is a three-dimensional data measuring system that enables efficient measurement of three-dimensional data without using a pole. A three-dimensional data measuring system (1) comprises: a measuring module (50) comprising a prism (51), a light-wave range finder (52), an inertial measurement device (53) which detects attitude information, a communication unit (58), and a control and calculation unit (60) which calculates the position coordinates of the position of the control and calculation unit on the basis of position coordinates and attitude information of the prism (51), and calculates the position coordinates of an irradiation point on the basis of the position coordinates of the control and calculation unit, the distance to the irradiation point, and the attitude information; and a surveying instrument (10) which measures the distance and angle of the prism (51) to acquire the position coordinates of the prism (51), and transmits the position coordinates to the communication unit (58). With regard to data relating to a measurement region, if a measurement range is larger than a measurable range in which measurement satisfying a required accuracy can be performed without moving the position of the measurement module (50), the measurement range is divided into meshes having a size within the measurable range, and measurement can be carried out in accordance with guidance data in which a measurement path is set such that the distance traveled between each large mesh is shortest.
A method and apparatus for determining the position of a laser scanner using one or more optical targets, each arranged at a known point. The apparatus includes: a ground control point position obtaining part which obtains information of arrangement positions of multiple optical reflection targets; a laser scanner approximate position data obtaining part which obtains an approximate position of a laser scanner; a laser scanning data obtaining part which obtains data of multiple luminescent points; a processing objective point extracting part which extracts multiple luminescent points having luminance exceeding a specific threshold value; and a laser scanner position calculating part which gives data of the arrangement position of the optical reflection target to each of the extracted multiple luminescent points so as to calculate position of the laser scanner.
A surveying system (1) comprising: a target device (3) having a pole (14) and a target (15) of which the distance from the lower end of the pole is known; and a surveying device (2) capable of measuring the target. The lower end of the pole is matched with a prescribed measurement point (13). The surveying device is configured so as to: calculate an O-M vector linking the instrument center of the surveying device and the measurement position of the target, and an M-P vector linking the measurement position and the measurement point; calculate the angle ϕ formed by the O-M vector and a plane that is orthogonal to the M-P vector and passes through the measurement position; calculate, on the basis of the angle ϕ, the measurement error between the measurement position and the optical center of the target; correct the measurement position on the basis of the measurement error; and calculate, on the basis of the corrected measurement position, the three-dimensional coordinates of the measurement point.
The present invention comprises a plurality of horizontal camera units (2a, 2c) provided in the same plane and at predetermined equally divided positions on the same circumference and directed in a horizontal direction, and a zenith camera unit (2f) provided at the center of the plurality of horizontal camera units and directed in the zenith direction. Optical systems (5a, 5c) of the respective horizontal camera units have objective lens groups (6a, 6c) provided on imaging optical axes (13a, 13c) directed in the horizontal direction, optical axis deflection members (8a, 8c) for bending the imaging optical axes of the objective lens groups downward, image forming lens groups (7a, 7c) provided on image forming optical axes bent by the optical axis deflection members, and light receiving elements (9a, 9c) for receiving images formed by the image forming lens groups. The optical system of the zenith camera unit has, on a straight optical axis, an objective lens group, an optical path length adjusting member (15), an image forming lens group (7f), and a light receiving element (9f) for receiving an image formed by the image forming lens group. The image forming lens groups of the horizontal camera units are arranged concentrically around the optical system of the zenith camera unit.
G03B 15/00 - Special procedures for taking photographsApparatus therefor
G03B 17/17 - Bodies with reflectors arranged in beam forming the photographic image, e.g. for reducing dimensions of camera
G03B 19/07 - Roll-film cameras having more than one objective
G03B 37/04 - Panoramic or wide-screen photographyPhotographing extended surfaces, e.g. for surveyingPhotographing internal surfaces, e.g. of pipe with cameras or projectors providing touching or overlapping fields of view
A plurality of sets of camera units (2a, 2c) are provided at predetermined equally divided positions on the same circumference around a vertical axis, in which an optical system of each of the camera units has: imaging optical axes (13a, 13c) directed upward at a predetermined elevation angle; objective lens groups (6a, 6c) provided on the imaging optical axes; optical-axis deflection members (8a, 8c) for bending the imaging optical axes of the objective lens groups as image-forming optical axes in parallel or substantially in parallel to the vertical axis; image-forming lens groups (7a, 7c) provided on the image-forming optical axes, and light receiving elements (9a, 9c) for receiving images formed by the image-forming lens groups, the objective lens group has an angle of view that forms an unimaged range of a downward predetermined angle, and the image-forming lens group is constituted to be disposed concentrically around the vertical axis.
A slit lamp microscope of an aspect example includes an illumination system, first photographing system, fixation system, movement mechanism, and controller. The illumination system projects slit light onto an anterior segment of a subject's eye from a first direction. The first photographing system photographs the anterior segment onto which the slit light is being projected, from a second direction different from the first direction. The fixation system outputs fixation light for fixation of the subject's eye. The movement mechanism moves the illumination system and the first photographing system, the controller performs a first control for the movement mechanism to move at least the illumination system and a second control for the first photographing system to photograph the anterior segment a plurality of times in parallel with each other while causing the fixation system to output the fixation light.
A contactless ophthalmotonometer includes a cylinder, a piston movably provided inside the cylinder, an actuator (solenoid) configured to move the piston inside the cylinder by applying current to compress air inside the cylinder, a nozzle configured to spray the air compressed with the piston to a subject eye, and a current application control unit (measurement control unit) configured to apply the current to the actuator, wherein the current application control unit performs first application processing for applying the current of a first current value to the actuator and, when a predetermined switching condition is satisfied while the first application processing is being performed, the first application processing is switched to second application processing for applying the current of a second current value higher than the first current value to the actuator.
A61B 3/16 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring intraocular pressure, e.g. tonometers
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
32.
OPHTHALMIC EXAMINATION APPARATUS AND OPHTHALMIC EXAMINATION METHOD
An ophthalmic examination apparatus includes a visual target projection system that includes a visual target presentation portion that presents a fixed visual target to left and right subject eyes, an objective measurement optical system that objectively measures eye characteristics of the left and right subject eyes, and a controller that controls each portion of the apparatus, wherein the controller measures the eye characteristics of the left and right subject eyes with the objective measurement optical system and acquires an objective refraction value as objective measurement information when fusion is attempted with left and right subject eyes with respect to a change in the convergence distance.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/06 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing light sensitivity, e.g. adaptationSubjective types, i.e. testing apparatus requiring the active assistance of the patient for testing colour vision
A61B 3/08 - Subjective types, i.e. testing apparatus requiring the active assistance of the patient for testing binocular or stereoscopic vision, e.g. strabismus
A61B 3/14 - Arrangements specially adapted for eye photography
33.
OPHTHALMIC EXAMINATION APPARATUS AND OPHTHALMIC EXAMINATION METHOD
An ophthalmic examination apparatus includes a visual target projection system including a visual target presentation portion that presents a fixed visual target to left and right subject eyes, an objective measurement optical system that objectively measures eye characteristics of the left and right subject eyes, and a controller that controls each portion of the apparatus, wherein the fixed visual target is a visual target for the left eye and a visual target for the right eye that are to be respectively projected to the left and right subject eyes and have a same drawing pattern in positions where up and down direction positions to visual target flames are the same.
An imaging unit 2 of an ophthalmologic device 1 according to an embodiment projects illumination light onto an eye fundus Ef via an optical scanner 30, and detects return light by using an image sensor 51 capable of being operated in a rolling shutter mode. An image analysis unit 421 analyzes an image of the eye fundus Ef so as to obtain a luminance parameter value. A pupil diameter data acquisition unit 422 acquires pupil diameter data pertaining to a to-be-examined eye E. A control amount determination unit 423 determines a control amount for the distance between the to-be-examined eye E and the imaging unit 2 on the basis of the luminance parameter value obtained by the image analysis unit 421 and the pupil diameter data acquired by the pupil diameter data acquisition unit 422. A movement control unit 424 controls a movement mechanism 3 on the basis of said control amount. As a result, the distance between the to-be-examined eye E and the imaging unit 2 is adjusted.
A61B 3/14 - Arrangements specially adapted for eye photography
A61B 3/11 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for measuring interpupillary distance or diameter of pupils
This imaging device includes a guide light emitting unit (16) that emits guide light of two colors, indicating a direction to a stakeout worker, along a guide optical axis, and an imaging unit (17) that acquires an image on the basis of external light incident along the imaging optical axis (21), wherein the guide light emitting unit and the imaging unit are configured to include: a deflecting optical member (34) that deflects either one of the guide optical axis and the imaging optical axis so as to be coaxial with another of the guide optical axis and the imaging optical axis; and a light projection/reception lens group (35) provided on the imaging optical axis and the guide optical axis that have been made coaxial by the deflecting optical member.
An ophthalmologic apparatus includes a visual target presenting portion that presents fixation targets to subject eyes; an objective measurement optical system that objectively measures eye characteristics of the subject eyes; and a controller. Each of the fixation targets includes fusion targets depicted in a manner that allows binocular fusion while the subject eyes respectively view the fixation targets. The visual target presenting portion presents the fixation targets while changing an examination distance from the subject eyes to the fixation target when an anisometropia is induced. In the anisometropia, one subject eye is in a fully corrected condition and the other subject eye is corrected by a predetermined degree from the fully corrected condition. The controller controls the objective measurement optical system to measure the eye characteristics while the subject eyes binocularly view the fixation targets and acquire refractive values of the subject eyes as objective measurement information.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/103 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for determining refraction, e.g. refractometers, skiascopes
This plant sensor comprises a first light source (6) that emits first measurement light (3a) including a first wavelength band, a second light source (7) that emits second measurement light (3b) including a second wavelength band, a first lens (8) that converts the first measurement light into a parallel light beam, a second lens (9) that converts the second measurement light into a parallel light beam, a measurement light deflecting member (11) that is provided on a common optical path of the first measurement light and the second measurement light and that deflects either the first measurement light or the second measurement light such that the first measurement light and the second measurement light are coaxial, a reference light deflecting member (15) that extracts a part of each measurement light as reference light (26), a reference light receiving unit (16) that receives the reference light, a light receiving unit (18) that receives first reflected measurement light (5a) and second reflected measurement light (5b) from a measurement target, and a control unit (19) that computes the growth status of the measurement target on the basis of the received amount of the reference light and the received amount of each reflected measurement light, wherein a light receiving surface area of the reference light deflecting member is smaller than the area of the light beam cross-section of each measurement light, and the reference light deflecting member is disposed so as to be capable of extracting light in a central portion of the light beam cross-section of each measurement light.
G01N 21/27 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection
Navigation receiver comprising navigation system (200) includes a plurality of range frequency paths configured to receive Global Navigation Satellite Systems (GNSS) signals from an antenna and transmit the GNSS signals in a frequency range for digitizing the GNSS signals. Navigation system includes a number of Analog Digital Converters (101); a plurality of signal processors forming a plurality of signal paths (102); requantizers (103); navigation channels (104); time control (105) transmitting tick signal (S106). The navigation receiver also includes a central processing unit (CPU) system (110) which includes CPU (107). BUS (databus) (108), and memory (109), which receives data readiness flag signal (Si11). The navigation system and the CPU system connect by interface blocks (202) and (203). The invention provides increased speed of processing of navigation data.
The present invention comprises: a ranging unit having a light-emitting element (31) that emits a ranging beam and a light-receiving element that receives a reflected ranging beam from an object being measured; rotary deflecting units (15, 24) that radiate the ranging beam; a perpendicular-rotation drive unit (13) that rotates the rotary deflecting units perpendicularly via a hollow perpendicular-rotation shaft (11); a bracket unit (5) on which the rotary deflecting units are provided; a horizontal-rotation drive unit (8) that rotates the bracket unit horizontally; and an arithmetic-operation control unit (17) that performs arithmetic operations on the distance to the object being measured, on the basis of results of reception of the reflected ranging beam at the light-receiving element. The rotary deflecting units are configured: so as to include a cast-beam deflecting unit that is formed in the center part of the rotary deflecting units and deflects the ranging beam at right angles, and a received-beam deflecting unit that is formed outside the center part and deflects the reflected ranging beam at right angles in the opposite direction from that of the light-emitting element; so that a through-hole (23) which interconnects with the hollow section of the perpendicular rotation shaft and which is parallel to the optical axis of the ranging beam is formed in the received-beam deflecting unit; and so that the cast-beam deflecting unit is arranged so that a portion thereof is fitted into the through-hole.
The present invention is provided with: a distance measurement unit that has a light-emitting element (28) for emitting distance measurement light and a light-receiving element for receiving distance measurement light reflected from a to-be-measured object; rotating deflection parts (15, 23, 24) that direct the distance measurement light; a vertical rotation drive unit (13) that rotates the rotating deflection parts in the vertical direction via a hollow vertical rotation shaft (11); a frame part (5) in which the rotating deflection parts are provided; a horizontal rotation drive unit (8) that rotates the frame part in the horizontal direction; and an arithmetic control unit (17) that computes the distance to the to-be-measured object on the basis of the result of the light-receiving element receiving the reflected distance measurement light. The rotating deflection parts have an emitted-light deflection section that is formed at a central portion and deflects the distance measurement light at a right angle, and a received-light deflection section that is formed at a portion other than the central portion and deflects the reflected distance measurement light at a right angle. The distance measurement light passes through the vertical rotation shaft and is then incident on the emitted-light deflection section. The reflected distance measurement light is incident on the received-light deflection section and deflected in an orientation opposite to the light-emitting element.
A fundus observation apparatus includes an optical system, two concave mirrors, and a holding member. The optical system is configured to project light from a light source onto a fundus of an eye to be examined, and to receive returning light from the fundus. The two concave mirrors have concave reflective surfaces, respectively, configured to guide the light from the optical system to the fundus, and to guide the returning light to the optical system. The holding member is configured to be capable of holding the two concave mirrors in a state where the concave mirrors are arranged on both sides of the holding member so that the concave mirrors are positioned in a default relative position in a predetermined one-dimensional direction or predetermined two-dimensional directions.
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
43.
WAVELENGTH SELECTION DEVICE, WAVELENGTH SELECTION METHOD, AND MEASURING DEVICE
The present invention comprises: an EW element (2) having a transparent container (4) that encapsulates a first solution (5) transparent to a first wavelength and a second solution (6) transparent to a second wavelength different from the first wavelength; a power supply unit (3) capable of applying a predetermined voltage to the EW element; and a control unit (10) that controls the power supply unit. The EW element is configured to move either the first solution or the second solution to the center of the transparent container in response to an applied voltage, and such that broadband light (7) incident on the EW element is transmitted through only one of the first solution and the second solution.
G01C 15/00 - Surveying instruments or accessories not provided for in groups
G02B 1/06 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of fluids in transparent cells
The present invention comprises: a distance measurement unit (19) that has a light-emitting element (33) which emits distance measurement light (34) and a light-receiving element (43) which receives reflected distance-measurement light (48) from an object to be measured; a rotation unit (20) that emits the distance measurement light; a vertical rotation drive unit that rotates the rotation unit in the vertical direction; a support frame part (5) to which the rotation unit is provided; a horizontal rotation drive unit that rotates the support frame part in the horizontal direction; a detection unit (21) that has a detection light emission unit which emits detection light and a detection light reception unit which has a detection light-receiving element for receiving reflected detection light reflected by the object to be measured, the detection unit (21) emitting the detection light having a wavelength different from that of the distance-measurement light towards the rotation unit; and a calculation control unit that calculates the distance to the object to be measured on the basis of the result of the reflected distance-measurement light received by the light-receiving element, and calculates the direction of the object to be measured on the basis of the result of the reflected detection light received by the detection light-receiving element, wherein the rotation unit has a detection light separating optical member that transmits the distance-measurement light and reflects the detection light, and the detection light is configured so as to be emitted by rotation of the rotation unit in a range equal to or greater than a spread angle of the detection light.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
Computers; tablet computers; personal digital assistants;
recorded computer software for displaying, analyzing, and
processing of electronic data in the field of healthcare,
medical information and ophthalmology; recorded cloud
computing software for displaying, analyzing, and processing
of electronic data in the field of healthcare, medical
information and ophthalmology; recorded computer programs
for use in data management of electronic medical records;
recorded computer programs for use in data processing of
electronic medical records; recorded computer application
software for personal digital assistants, namely software
for displaying, analyzing, and processing of electronic data
in the field of healthcare, medical information and
ophthalmology; microscopes and their parts for surgical
operation. Eye testing apparatus; cornea testing apparatus, namely,
topographic medical apparatus and instruments for measuring
the cornea, keratoscopes; ophthalmic lens measuring
apparatus for medical purposes; vision testing apparatus;
slit lamps for medical purposes; anterior eye imaging
devices for use in diagnosing issues with the eyes;
ophthalmic apparatus, namely, corneal topographers for
corneal endothelium; medical apparatus and instrument for
measuring the cornea, namely, topographic medical apparatus
and instruments for measuring the cornea, keratometers,
ophthalmometers; laser therapy apparatus for ophthalmic
purposes; retinal cameras for medical purposes; ophthalmic
cameras for medical purposes; skiascopes; tonometers; lasers
for ophthalmic purposes; ophthalmic cameras for medical
purposes; optical coherence tomography apparatus;
ophthalmological apparatus and instruments for measuring the
visual field of the eye, namely perimeters; ophthalmic
apparatus and instruments for verifying the correct
prescription in a pair of eyeglasses, namely, lensmeter;
ophthalmological apparatus and instruments for testing
eyesight, namely, vision tester. Providing medical information; physical examination
services; rental of medical apparatus and instruments;
medical screening services for eye diseases and conditions;
disease diagnostic testing based on ophthalmological
information; provision of medical information in the nature
of clinical data in the field of ophthalmology.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
Computers; tablet computers; personal digital assistants;
recorded computer software for displaying, analyzing, and
processing of electronic data in the field of healthcare,
medical information and ophthalmology; recorded cloud
computing software for displaying, analyzing, and processing
of electronic data in the field of healthcare, medical
information and ophthalmology; recorded computer programs
for use in data management of electronic medical records;
recorded computer programs for use in data processing of
electronic medical records; recorded computer application
software for personal digital assistants, namely software
for displaying, analyzing, and processing of electronic data
in the field of healthcare, medical information and
ophthalmology; microscopes and their parts for surgical
operation. Eye testing apparatus; cornea testing apparatus, namely,
topographic medical apparatus and instruments for measuring
the cornea, keratoscopes; ophthalmic lens measuring
apparatus for medical purposes; vision testing apparatus;
slit lamps for medical purposes; anterior eye imaging
devices for use in diagnosing issues with the eyes;
ophthalmic apparatus, namely, corneal topographers for
corneal endothelium; medical apparatus and instrument for
measuring the cornea, namely, topographic medical apparatus
and instruments for measuring the cornea, keratometers,
ophthalmometers; laser therapy apparatus for ophthalmic
purposes; retinal cameras for medical purposes; ophthalmic
cameras for medical purposes; skiascopes; tonometers; lasers
for ophthalmic purposes; ophthalmic cameras for medical
purposes; optical coherence tomography apparatus;
ophthalmological apparatus and instruments for measuring the
visual field of the eye, namely perimeters; ophthalmic
apparatus and instruments for verifying the correct
prescription in a pair of eyeglasses, namely, lensmeter;
ophthalmological apparatus and instruments for testing
eyesight, namely, vision tester. Providing medical information; physical examination
services; rental of medical apparatus and instruments;
medical screening services for eye diseases and conditions;
provision of medical information in the nature of clinical
data in the field of ophthalmology.
48.
ANALYSIS PROCESSING DEVICE, OPTICAL COHERENCE TOMOGRAPHY DEVICE, ANALYSIS PROCESSING METHOD, AND PROGRAM
This analysis processing device includes an acquisition unit, an analysis unit, and a display control unit. The acquisition unit acquires two or more items of motion contrast data for the same cross-section of an object under measurement at mutually different inter-scan time intervals, the motion contrast data being obtained by repeating a B-scan three or more times on the cross-section. The analysis unit executes an analysis process for deriving the temporal variation of motion contrast intensity in the cross-section on the basis of the two or more items of motion contrast data. The display control unit causes a display means to display an image representing the temporal variation obtained using the analysis process.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
The present invention comprises: a distance measurement unit having a light-emitting element that emits distance measurement light and a light-receiving element that receives reflected distance measurement light from a measurement object; a rotation unit (20) that emits the distance measurement light; a vertical rotation drive unit that rotates the rotation unit in the vertical direction; a bracket unit (5) that is provided with the rotation unit; a horizontal rotation drive unit that rotates the bracket unit in the horizontal direction; a laser pointer light emitting unit (21) that emits laser pointer light (26) toward the rotation unit; and a calculation control unit that calculates the distance to the measurement object on the basis of a light-reception result of the reflected distance measurement light to the light-receiving element. The rotation unit has a visible light separation optical member that transmits the distance measurement light and reflects the laser pointer light, and the calculation control unit is configured to rotate the rotation unit and the bracket unit such that the laser pointer light is emitted to a desired point.
This surveying device is equipped with a collimation optical system (11) which is equipped with an object lens (14), a light-receiving prism (15), a focusing lens (16), an erecting prism (17), a reticle (18), and an ocular lens (19) that are arranged on a collimation axis. A beam splitter is provided on the collimation axis on a side closer to the ocular lens as compared to the focusing lens. The collimation axis is branched by the beam splitter. A guide light source (32) is provided at or near the focal distance of the objective lens on the branched optical axis. Guide light emitted from the guide light source is outputted through the focusing lens, the light-receiving prism, and the objective lens.
This guide light beaming device that beams guide light for indicating direction to a stakeout worker is configured such that: the optical system of the guide light beaming device includes a beaming lens (12), a spectroscopic plate (15), and a light source (14); the light source is a broadband light source for emitting broadband light; a coloring element (17) is formed on the spectroscopic plate; the coloring element has at least two regions (17a, 17b) having different spectral characteristics; one of the spectroscopic plate or the light source is positioned on or near the focal position of the beaming lens and the other of the spectroscopic plate or the light source is positioned near or on the focal position of the beaming lens; and the light emitted from the broadband light source is colored by the regions and beamed from the beaming lens as guide light (18) including at least two colors.
F21V 9/00 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
F21V 13/00 - Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups
A guide light irradiation device that emits guide light (16) to show a direction to a surveying worker, wherein an optical system of the guide light irradiation device includes an irradiation lens (15), an irradiation prism (14), and a light source (13), the light source is a broadband light source that emits light in a broad band, a coloring element (17) having two regions with different spectral characteristics is provided on a light incidence surface of the irradiation prism, the light emitted from the broadband light source enters the irradiation prism through the regions as guide light containing light of two colors, and the guide light is irradiated from the irradiation lens after being internally reflected at least twice inside the irradiation prism.
G01C 15/00 - Surveying instruments or accessories not provided for in groups
F21V 5/02 - Refractors for light sources of prismatic shape
F21V 9/20 - Dichroic filters, i.e. devices operating on the principle of wave interference to pass specific ranges of wavelengths while cancelling others
F21V 9/40 - Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
F21V 13/02 - Combinations of only two kinds of elements
An optical characteristic display device includes an aberration acquiring unit configured to acquire an intraocular aberration, a cornea aberration, and an internal aberration of a patient's eye into which an intraocular lens is inserted, a display controlling unit configured to display an optical characteristic of the patient's eye on a monitor based at least on the intraocular aberration and the internal aberration, a first operating unit configured to receive a changing operation, an internal aberration predicting unit configured to predict the internal aberration after the parameter is changed in accordance with the changing operation, and a re-calculating unit configured to re-calculate the intraocular aberration based on the predicted internal aberration and the acquired cornea aberration, and the display controlling unit updates the optical characteristic to be displayed on the monitor based on the predicted internal aberration and the re-calculated intraocular aberration.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/117 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
A61B 3/14 - Arrangements specially adapted for eye photography
Provided is an ophthalmic device that makes it possible to easily and selectively attach a specific light irradiation system for emitting specific light. A slit-lamp microscope (100), which is an example of this ophthalmic device, comprises: a body part (10) having an illumination system (30) for irradiating an eye (E) being examined of a subject with illumination light and an observation system (40) for observing return light from the eye (E) being examined; and an imaging unit (60) that is detachably attached to the body part (10). The imaging unit (60) has an imaging section (61) for acquiring an image of the eye (E) being examined and a background illumination system (80) for irradiating the eye (E) being examined with background light different from the illumination light.
The optical element for surgical microscopes having antifogging properties, antibacterial properties, and durability against autoclave treatment is provided, the optical element including a substrate, an antireflection coating arranged on the substrate, and an antifouling coating layer containing acrylic polymer arranged on the antireflection coating, in which C—H bonding of carbon of the end of the surface of the antifouling coating layer is substituted by C—OSi(OH)3 by a combustion chemical vapor deposition method. A method for production thereof includes steps of coating a solution containing alkoxysilane having an acrylic group on the antireflection coating so as to form the antifouling coating layer, and substituting C—H bonding of carbon of the end of the surface of the antifouling coating layer by C—OSi(OH)3 by a combustion chemical vapor deposition method using silane based gas.
An ophthalmologic apparatus includes an anterior-ocular-segment camera that captures images of an anterior segment of a subject eye; a trained-model setting unit that sets a trained model for the images of the anterior segment of the eye; and a pupil detection processing unit that detects a pupil region of the eye. The trained-model setting unit sets a trained pupil-region-prediction model created by a training process where a large number of teacher data are prepared by adding a pupil region information to anterior-ocular-segment camera image data collected in advance, and where the teacher data are read into a selected machine learning model. The pupil detection processing unit detects the pupil region of the eye, based on a pupil-region prediction information as a model output that is obtained by an inference operation where an anterior-ocular-segment camera image data captured by the camera is input to the trained pupil-region-prediction model.
A61B 3/00 - Apparatus for testing the eyesInstruments for examining the eyes
A61B 3/117 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for examining the anterior chamber or the anterior chamber angle, e.g. gonioscopes
A61B 3/15 - Arrangements specially adapted for eye photography with means for aligning, spacing or blocking spurious reflection
A method for automated steering by machine vision receives a point cloud that is generated using a stereo camera. A location of a row is determined based on the point cloud and a steering angle is generated based on the location of the row. The center of the row is detected using a Hough transform detection algorithm and a horizontal projection of the point cloud.
A slit lamp microscope of an aspect example includes an illumination system, first photographing system, fixation system, movement mechanism, and controller. The illumination system projects slit light onto an anterior segment of a subject's eye from a first direction. The first photographing system photographs the anterior segment onto which the slit light is being projected, from a second direction different from the first direction. The fixation system outputs fixation light for fixation of the subject's eye. The movement mechanism moves the illumination system and the first photographing system, the controller performs a first control for the movement mechanism to move at least the illumination system and a second control for the first photographing system to photograph the anterior segment a plurality of times in parallel with each other while causing the fixation system to output the fixation light.
[Problem] To increase the accuracy of survey work using laser scanning. [Solution] A laser scanning method comprising: performing first laser scanning using a laser scanner on a range including a reflection prism in a known position (Step S103); detecting the reflection prism on the basis of scan data obtained through the first laser scanning (Step S106); and performing second laser scanning on the reflection prism with scanning light having a light intensity distribution in which a gradient portion thereof has been widened as compared with that in the first laser scanning (Step S105).
The present invention is provided with: a distance measurement unit that has a light-emitting element for emitting distance measurement light and a light-receiving element for receiving reflected distance measurement light from a to-be-measured object; a rotation unit (20) that directs the distance measurement light; a vertical rotation drive unit that rotates the rotation unit in the vertical direction; a frame part (5) in which the rotation unit is provided; a horizontal rotation drive unit that rotates the frame part in the horizontal direction; a guide-light directing unit (21) that directs guide light formed from two different light rays toward the rotation unit into the same plane as the distance measurement light; and an arithmetic control unit that computes the distance to the to-be-measured object on the basis of the result of the light-receiving element receiving the reflected distance measurement light. The rotation unit has a visible light separation optical member that transmits the distance measurement light and reflects the guide light. The guide light is configured to be directed over a range that is equal to or greater than the spread angle of the guide light as a result of the rotation of the rotation unit.
To provide an ophthalmic device in which an operator can objectively grasp a positional relationship between an eye to be examined and an acquisition optical system, and an operability when the operator controls a position or an orientation of the acquisition optical system can be improved, an ophthalmic device includes an acquisition optical system that acquires eye information of an eye to be examined; an electric position change mechanism that changes a position and an angle change mechanism that changes an orientation of the acquisition optical system with respect to the eye to be examined; a display that is visually recognizable by an operator who operates the electric position change mechanism and the angle change mechanism; and a controller that displays, on the display, positional relationship information indicating a positional relationship between the eye to be examined and the acquisition optical system.
09 - Scientific and electric apparatus and instruments
Goods & Services
Metalworking machines and tools; mining machines and
apparatus; construction machines and apparatus;
loading-unloading machines and apparatus; industrial fishing
machines; chemical processing machines and apparatus;
machines for making textile articles; food or beverage
processing machines and apparatus; lumbering, woodworking,
or veneer or plywood making machines and apparatus; pulp
making, papermaking or paper-working machines and apparatus;
printing or bookbinding machines and apparatus; sewing
machines; agricultural machines and agricultural implements,
other than hand-operated; shoe making machines; leather
tanning machines; tobacco processing machines; glassware
manufacturing machines and apparatus; painting machines and
apparatus; packaging or wrapping machines and apparatus;
potters' wheels; plastic processing machines; semiconductor
manufacturing machines; machines and apparatus for
manufacturing rubber goods; stone working machines and
apparatus; non-electric prime movers, not for land vehicles;
pneumatic or hydraulic machines and instruments; adhesive
tape dispensing machines; automatic stamping machines;
dishwashers; wax-polishing machines, electric; electric
washing machines; electric vacuum cleaners; electric food
blenders [for household purposes]; repairing or fixing
machines and apparatus; mechanical parking systems; vehicle
washing machines; machine elements, not for land vehicles;
dethatchers [machines]; curtain drawing devices electrically
operated; waste compacting machines and apparatus for
industrial purposes; waste crushing machines for industrial
purposes; starters for motors and engines; AC motors and DC
motors [not including those for land vehicles but including
parts for any AC motors and DC motors]; alternators; direct
current generators; dynamo brushes; arc welding machines;
electric metal cutting machines (by arc, gas or plasma);
electric welding machines; vending machines; fuel dispensing
machines for service stations; electric door openers. Ozonisers [ozonators]; electrolytic cells; egg-candlers;
cash registers; coin counting or sorting machines; work
recording machines; photocopying machines; hand-operated
calculators; mathematical instruments; time and date
stamping machines; time clocks [time recording devices];
punched card office machines; voting machines; billing
machines; apparatus to check stamping mail; coin-operated
mechanisms for operating gates for car parks; life-saving
apparatus and equipment; fire extinguishers; fire hose
nozzles; sprinkler systems for fire protection; fire alarms;
gas leak alarm systems; burglar alarms; safety helmets;
railway signals; vehicle breakdown warning triangles; road
signs, luminous or mechanical; vehicle driving simulators
for training purposes; sports training simulators;
laboratory apparatus and instruments; photographic apparatus
and instruments; cinematographic apparatus and instruments;
optical machines and apparatus; measuring or testing
machines and instruments; power distribution or control
machines and apparatus; rotary converters; phase modifiers;
electrical cells; electric or magnetic meters and testers;
conductors, electric; buzzers, electric; telecommunication
machines and apparatus; computers; computer software;
computer peripherals; magnetic cores; resistance wires;
electrodes; fire boats; fire trucks; gloves for protection
against accidents; dust masks; gas masks; welding masks;
fireproof garments; eyeglasses; electronic circuits and
CD-ROMs recorded with programs for hand-held games with
liquid crystal displays; weight belts for scuba diving; wet
suits; protective helmets for sports; air tanks [for scuba
diving]; regulators for scuba diving; phonograph records;
metronomes; electronic circuits and CD-ROMs recorded with
automatic performance programs for electronic musical
instruments; calculating scales; exposed cinematographic
films; slide film, exposed; slide film mounts; recorded
video discs and video tapes; electronic publications.
64.
OPHTHALMIC IMAGING APPARATUS, CONTROLLING METHOD OF THE SAME, AND RECORDING MEDIUM
The ophthalmic imaging apparatus of an embodiment example performs motion contrast imaging by applying OCT scanning to an eye. The data acquiring unit acquires a plurality of pieces of time-course data respectively corresponding to a plurality of scan points, by conducting repetitive A-scan application to individual scan points. The image constructing unit constructs a motion contrast image from the plurality of pieces of time-course data acquired. The controller controls the data acquiring unit such that data acquisition time intervals of first time-course data corresponding to a first scan point of the plurality of scan points and data acquisition time intervals of second time-course data corresponding to a second scan point become substantially equal to each other.
A61B 3/10 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
A survey system comprising a reference level measurement device (1) and a height difference deviation measurement device (2), wherein: the height difference deviation measurement device comprises a measurement target that is measured by the reference level measurement device, a distance measurement sensor (16) that is provided in a known relationship with the measurement target and measures the distance to a construction surface, an image camera (23) that images an area including the measurement area of the distance measurement sensor, and a calculation control unit (19); the measurement area is measured sequentially by the distance measurement sensor; the calculation control unit acquires an image of the construction surface that is measured by the distance measurement sensor; the calculation control unit calculates construction surface height difference information on the basis of height information of the measurement target measured by the reference level measurement device, and distance information measured by the distance measurement sensor; and the calculation control unit synthesizes the construction surface height difference information by means of image synthesis.
This surveying device comprises: a distance measurement unit (19) having a light-emitting element (32) that emits distance measuring light (37) to an object being measured and a light-receiving element (42) that receives distance measuring light (47) reflected from the object being measured; a rotation unit (20) that projects the distance measuring light; a vertical rotation drive unit that rotates the rotation unit in a vertical direction; a frame unit (5) in which the rotation unit is provided; a horizontal rotation drive unit that rotates the frame unit in a horizontal direction; at least one imaging unit (21) that is provided in the frame unit and captures an image at a predetermined angle of view; and an arithmetic control unit that computes the distance to the object being measured on the basis of the result of light reception of the reflected distance measuring light with respect to the light-receiving element. The rotation unit has a visible light separating optical member that transmits the distance measuring light and reflects background light. The visible light separating optical member is configured to deflect at least background light that is incident thereon in parallel with the reflected distance measuring light so that the background light is received by the imaging unit when the rotation unit is at a predetermined rotation position.
A surveying system is equipped with a height measurement device (1) and a vertical deviation measurement device (2). The vertical deviation measurement device is configured such that: an object being measured (18), a moving body (15), and an unevenness measurement device (14) provided to the moving body are equipped therewith; a reference level is detected by a reference level measurement device constituted by the height measurement device and the object being measured; a distance measuring sensor that are provided to have a known relationship with the object being measured and that measures the distance to a construction surface, a projection device (17) that projects vertical information on the construction surface, and a calculation control unit (21) are equipped therewith; and the calculation control unit calculates the vertical information on the basis of the reference level, distance information about the construction surface measured by the distance measuring sensor, and the design height of the finished construction surface.
This surveying device comprises a surveying device main body (3) that accommodates a ranging light emitting unit (23) including a light emitting element (28) that emits ranging light (35) to a measurement target object, a ranging light receiving unit (24) including a light receiving element (39) that receives reflected ranging light (45) from the measurement target object, a wide angle camera (21) that acquires an image with a predetermined angle of view, and an arithmetic control unit that controls the ranging light emitting unit and the wide angle camera and calculates the distance to the measurement target object on the basis of a light reception result of the reflected ranging light obtained by the light receiving element, wherein: the wide-angle camera includes an imaging optical axis (53) inclined in a direction moving away from an optical axis (27) of the ranging light, and a deflecting optical member that deflects the optical axis of incident background light (61) in a direction moving away from the optical axis of the ranging light; and the imaging optical axis is configured such that a machine center (30) of the surveying device main body is positioned substantially on an extension line thereof.
A slit-lamp microscope includes an illumination system that is configured to project a slit light onto a subject eye; a slit portion that is configured to generate the slit light having a width by passing a light from a light source through a slit between a pair of slit blades in the illumination system; and a controller that is configured to control the light source, wherein the controller is configured to turn the light source off when the pair of slit blades is closed.
Provided are an ophthalmic device and an ophthalmic device operating method, wherein an eye under examination by an examination head can be examined without bringing the examination head close to the nose of a subject. The present invention comprises an examination head (22) for examining an eye (E) under examination, and displacement mechanisms (an XZ movement mechanism (16), a Y movement mechanism (18), a swing rotation mechanism (20), and a tilt rotation mechanism (80)) that displace the examination head (22) relative to the eye (E) under examination. When an axis that is along the line-of-sight direction of the eye (E) under examination and is parallel to the front/rear direction is treated as a reference axis (VA), said front/rear direction being the operating distance direction (Z direction) of the examination head (22), and an axis that results from tilting the reference axis (VA) in an outward direction (X1) away from the nose of the subject with the eye (E) under examination as the center is treated as a tilt axis (TA), the displacement mechanisms displace the examination head (22) along the tilt axis (TA) to an examination location for the eye (E) under examination.
Provided are an ophthalmic device and a method for operating the ophthalmic device that make it possible to reliably prevent an inspection head from coming in proximity to the nose of a subject. This ophthalmic device comprises: a shift mechanism (an XZ movement mechanism (16), a Y movement mechanism (18), a swing rotation mechanism (20), and a tilt rotation mechanism (80)) that shifts an inspection head (22) with respect to an eye (E) being examined; a drive control unit (46) that drives the shift mechanism to shift the inspection head (22) to an inspection position for the eye (E) being examined along the tilt axis (TA); a distance detection unit (a stereo camera (34) and a detection control unit (47A)) that detects a face distance (Fd), which is the distance between the inspection head (22) and the face of the subject, while the inspection head (22) is shifted along the tilt axis (TA) by the shift mechanism; and a retraction control unit (47B) that drives the shift mechanism to rotate the inspection head (22) about a predetermined rotation axis in a direction in which the face distance (Fd) increases, when the face distance (Fd) detected by the distance detection unit is less than a predetermined threshold value.
A survey system comprises reference level measurement devices (3, 21) and a pole device (2). The reference level measurement devices measure a reference level to serve as a reference for the measurement of the height of the pole device. The pole device comprises a distance measurement sensor (16) for measuring the distance to a construction surface, a projection device (17) for projecting height information, and a computation control unit (19). The computation control unit has a storage unit (26) storing a projection pattern, and is configured so as to compute the height information to be projected onto the construction surface on the basis of the reference level, distance information obtained as a result of the measurement performed by the distance measurement sensor, and the projection pattern. The projection device is configured so as to project the height information onto the construction surface.
Provided is a method for identifying and detecting one selected target in a surveying system in which a plurality of targets exist for one surveying instrument. Light emission periods T1, T2, and T3 for the identification light of respective optical transmitters of the plurality of targets are different from one another, and a light reception period TA of an optical receiver of the surveying instrument is set to be the same as the light emission period of the identification light of the selected target. Each time the identification light of the selected target is received, the light is integrated and amplified, and the amplified signal is identified to detect the selected target.
A data management device 2 comprises: a storage unit 35 in which existing images including feature points are stored; an imaging unit 30 that captures a new image; a feature extracting unit 40 that extracts a feature point from the new image; a feature matching unit 41 that acquires the existing image corresponding to the new image, extracts feature points of the new image such that the feature points correspond to the feature points of the acquired existing image, and associates the feature points of the new image to the feature points of the existing image; an imaging state calculating unit 42 that calculates the imaging state of the new image from the associated feature points of the new image; a difference specifying unit 43 that extracts a difference feature point not associated with the feature points of the existing image among the feature points of the new image and adds relative position information about the associated feature points to the difference feature point on the basis of the imaging state of the new image; and a database updating unit 44 that stores the new image including the difference feature point with the added relative position information in the storage unit 35 as an existing image.
This surveying device is provided with a surveying unit and a distance calculation unit. The surveying unit surveys the position of a target. The distance calculation unit calculates the relative distance between a first position and a second position from a survey result of the first position of the target and a survey result of the second position of the target obtained from the survey unit.
[Problem] To improve the accuracy of three-dimensional data based on an image captured by a camera mounted on a moving body. [Solution] Image data of a captured image captured by a camera 101 that moves in a state of being mounted on a heavy machine 100 is obtained, the position of a reflection prism 102, which is a specific fixed part in relation to the camera 101, is measured by a total station 200, the position of the camera 101 is calculated based on the measured position of the reflection prism 102, there is a deviation between the measurement time of the position of the reflection prism 102 and the imaging time of the camera 101, in the calculation of the position of the camera 101, adjustment calculation using the position of the camera 101 as an unknown number is performed, and the adjustment calculation is performed on the basis of the measurement position of the reflection prism 101 to which a correction amount corresponding to the deviation of the time is added.
[Problem] To obtain the position of a movable part of heavy equipment efficiently. [Solution] This method for obtaining the position of the center of rotation of a rotating portion 110 of heavy equipment 100 provided with the rotating portion 110, which rotates horizontally, and the orientation of the rotating portion 110, includes: using a total station 200 to measure the position of a reflecting prism 102 fixed to the rotating portion 110; obtaining image data of a captured image captured by a camera 101 fixed to the rotating portion 110; calculating the position of the camera 101 on the basis of the position of the reflecting prism 102 measured by the total station 200 and the image data of the captured image captured by the camera 101; and calculating the position of the center of rotation of the rotating portion 110 and the orientation of the rotating portion 110 on the basis of the calculated position of the reflecting prism 102 and the position of the camera 101.
Provided are: an ophthalmic apparatus capable of executing, by an examination head, an examination of an eye to be examined without bringing the examination head close to the nose of a subject; and an operating method of the ophthalmic apparatus. This ophthalmic apparatus is provided with: displacement mechanisms (an XZ movement mechanism (16), a Y movement mechanism (18), a swing rotation mechanism (20), and a tilt rotation mechanism (80)) which displace an examination head (66) with respect to an eye (E) to be examined; a nose imaging control unit (41) for causing at least two cameras (34a) to image the nose of a subject from a plurality of directions different from each other; a nose position detection unit (42) for detecting the position of the nose (N) on the basis of an image of the nose (N) captured by each of the cameras (34a); a tilt angle determination unit (43) for determining the tilt angle (θ) of a tilt axis (TA) with respect to a reference axis (VA) on the basis of the detection result of the nose position detection unit (42); and a drive control unit (46) for, by driving the displacement mechanisms, displacing the examination head (22) to an examination position of the eye (E) to be examined, along the tilt axis (TA) having the tilt angle (θ) determined by the tilt angle determination unit (43).
Provided are: an ophthalmologic device with which an examination head can be reliably prevented from approaching the nose of a subject; and a method for operating an ophthalmologic device. The present invention comprises: a displacement mechanism (XZ movement mechanism (16), a Y movement mechanism (18), a swing rotation mechanism (20), and a tilt rotation mechanism (80)) that displace an examination head (22) with respect to a subject eye (E); a drive control unit (46) that drives the displacement mechanism to displace the examination head (22) to an examination position of the subject eye (E) to be examined along a tilt axis (TA), where an axis along a sight line direction of the subject eye (E) parallel to a front-back direction (Z direction) which is an operating distance direction of the examination head is defined as a reference axis (VA), and an axis resulting from tilting the reference axis (VA) about the subject eye (E) to be examined in an outward direction (X1) away from a nose (N) of a subject (H) is defined as the inclination axis (TA); and a retraction control unit (54) that drives the displacement mechanism and retracts the examination head (22) in a direction away from a face of the subject when an examination of a first eye of the subject eye (E) by the examination head (22) has been completed.
This ocular fundus imaging device includes at least two curved mirrors, an illumination optical system, and an imaging sensor. The illumination optical system includes a slit having an opening formed therein, wherein the opening is configured so as to be disposed at an ocular fundus conjugate position that is approximately optically conjugated with the ocular fundus of an eye to be examined. Light from a light source is emitted to the slit to generate slit-shaped illumination light, and the slit-shaped illumination light is emitted to the ocular fundus via the at least two curved mirrors. The imaging sensor is configured so as to be disposed at the ocular fundus conjugate position, and receives return light from the eye to be examined. At least one of both lengthwise-direction ends of the opening is displaced in the widthwise direction of the opening relative to the lengthwise direction that passes through the center of the opening.
A61B 3/14 - Arrangements specially adapted for eye photography
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
81.
SURVEYING DEVICE, SURVEYING METHOD, SURVEYING SYSTEM, AND SURVEYING PROGRAM
This surveying device comprises: a ranging unit 102 for measuring the distance to a survey target 300 using ranging light; direction detecting units 106, 107 for detecting an emission direction of the ranging light; a main body control unit 101 (computing unit) for calculating a distance between a reference position and the position of the survey target 300 on the basis of the distance measured by the ranging unit 102 and the emission direction detected by the direction detecting units 106, 107; and a determining unit 207 for determining whether a difference between the distance calculated by the main body control unit 101 and a set distance is less than a predetermined value.
This surveying device comprises: a surveying unit; a setting unit; and a deviation amount calculation unit. The surveying unit surveys a position to be surveyed. The setting unit sets a first reference position and a second reference position from surveying results of the surveying unit. The deviation amount calculation unit calculates a deviation amount from a linear reference line connecting the first reference position and the second reference position to a confirmation position which is a position different from both the first reference position and the second reference position in the surveying results of the surveying unit.
This surveying system 1 comprises: a ranging unit 102 that measures the distance to a to-be-surveyed object 301 by using ranging light; direction detection units 106 and 107 that detect the emission direction of the ranging light; a computation unit 101b that acquires position information of the to-be-surveyed object 301 on the basis of the distance measured by the ranging unit 102 and the emission direction detected by the direction detection units 106 and 107; a storage unit 111 that stores offset information R that is distance information about the distance from the to-be-surveyed object 301 to a survey point P; and a swinging guidance unit 201b that estimates the swinging state of the to-be-surveyed object 301 on the basis of the offset information and a plurality of pieces of position information acquired by the computation unit 101b, and generates swinging guidance information of the to-be-surveyed object 301 in accordance with the estimated swinging state.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
(1) Computers; tablet computers; personal digital assistants; recorded computer software for displaying, analyzing, and processing of electronic data in the field of healthcare, medical information and ophthalmology; recorded cloud computing software for displaying, analyzing, and processing of electronic data in the field of healthcare, medical information and ophthalmology; recorded computer programs for use in data management of electronic medical records; recorded computer programs for use in data processing of electronic medical records; recorded computer application software for personal digital assistants, namely software for displaying, analyzing, and processing of electronic data in the field of healthcare, medical information and ophthalmology; microscopes and their parts for surgical operation.
(2) Eye testing apparatus; cornea testing apparatus, namely, topographic medical apparatus and instruments for measuring the cornea, keratoscopes; ophthalmic lens measuring apparatus for medical purposes; vision testing apparatus; slit lamps for medical purposes; anterior eye imaging devices for use in diagnosing issues with the eyes; ophthalmic apparatus, namely, corneal topographers for corneal endothelium; medical apparatus and instrument for measuring the cornea, namely, topographic medical apparatus and instruments for measuring the cornea, keratometers, ophthalmometers; laser therapy apparatus for ophthalmic purposes; retinal cameras for medical purposes; ophthalmic cameras for medical purposes; skiascopes; tonometers; lasers for ophthalmic purposes; ophthalmic cameras for medical purposes; optical coherence tomography apparatus; ophthalmological apparatus and instruments for measuring the visual field of the eye, namely perimeters; ophthalmic apparatus and instruments for verifying the correct prescription in a pair of eyeglasses, namely, lensmeter; ophthalmological apparatus and instruments for testing eyesight, namely, vision tester. (1) Providing medical information; physical examination services; rental of medical apparatus and instruments; medical screening services for eye diseases and conditions; provision of medical information in the nature of clinical data in the field of ophthalmology.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
(1) Computers; tablet computers; personal digital assistants; recorded computer software for displaying, analyzing, and processing of electronic data in the field of healthcare, medical information and ophthalmology; recorded cloud computing software for displaying, analyzing, and processing of electronic data in the field of healthcare, medical information and ophthalmology; recorded computer programs for use in data management of electronic medical records; recorded computer programs for use in data processing of electronic medical records; recorded computer application software for personal digital assistants, namely software for displaying, analyzing, and processing of electronic data in the field of healthcare, medical information and ophthalmology; microscopes and their parts for surgical operation.
(2) Eye testing apparatus; cornea testing apparatus, namely, topographic medical apparatus and instruments for measuring the cornea, keratoscopes; ophthalmic lens measuring apparatus for medical purposes; vision testing apparatus; slit lamps for medical purposes; anterior eye imaging devices for use in diagnosing issues with the eyes; ophthalmic apparatus, namely, corneal topographers for corneal endothelium; medical apparatus and instrument for measuring the cornea, namely, topographic medical apparatus and instruments for measuring the cornea, keratometers, ophthalmometers; laser therapy apparatus for ophthalmic purposes; retinal cameras for medical purposes; ophthalmic cameras for medical purposes; skiascopes; tonometers; lasers for ophthalmic purposes; ophthalmic cameras for medical purposes; optical coherence tomography apparatus; ophthalmological apparatus and instruments for measuring the visual field of the eye, namely perimeters; ophthalmic apparatus and instruments for verifying the correct prescription in a pair of eyeglasses, namely, lensmeter; ophthalmological apparatus and instruments for testing eyesight, namely, vision tester. (1) Providing medical information; physical examination services; rental of medical apparatus and instruments; medical screening services for eye diseases and conditions; disease diagnostic testing based on ophthalmological information; provision of medical information in the nature of clinical data in the field of ophthalmology.
09 - Scientific and electric apparatus and instruments
10 - Medical apparatus and instruments
44 - Medical, veterinary, hygienic and cosmetic services; agriculture, horticulture and forestry services
Goods & Services
Computers; tablet computers; personal digital assistants; recorded computer software for displaying, analyzing, and processing of electronic data in the field of healthcare, medical information and ophthalmology; recorded cloud computing software for displaying, analyzing, and processing of electronic data in the field of healthcare, medical information and ophthalmology; recorded computer programs for use in data management of electronic medical records; recorded computer programs for use in data processing of electronic medical records; recorded computer application software for personal digital assistants, namely software for displaying, analyzing, and processing of electronic data in the field of healthcare, medical information and ophthalmology; microscopes and their parts for surgical operation. Eye testing apparatus; cornea testing apparatus, namely, topographic medical apparatus and instruments for measuring the cornea, keratoscopes; ophthalmic lens measuring apparatus for medical purposes; vision testing apparatus; slit lamps for medical purposes; anterior eye imaging devices for use in diagnosing issues with the eyes; ophthalmic apparatus, namely, corneal topographers for corneal endothelium; medical apparatus and instrument for measuring the cornea, namely, topographic medical apparatus and instruments for measuring the cornea, keratometers, ophthalmometers; laser therapy apparatus for ophthalmic purposes; retinal cameras for medical purposes; ophthalmic cameras for medical purposes; skiascopes; tonometers; lasers for ophthalmic purposes; ophthalmic cameras for medical purposes; optical coherence tomography apparatus; ophthalmological apparatus and instruments for measuring the visual field of the eye, namely perimeters; ophthalmic apparatus and instruments for verifying the correct prescription in a pair of eyeglasses, namely, lensmeter; ophthalmological apparatus and instruments for testing eyesight, namely, vision tester. Providing medical information; physical examination services; rental of medical apparatus and instruments; medical screening services for eye diseases and conditions; disease diagnostic testing based on ophthalmological information; provision of medical information in the nature of clinical data in the field of ophthalmology.
This ophthalmic device comprises two or more light sources, an illumination optical system, a light-receiving optical system, and an optical path dividing member. The illumination optical system includes an iris diaphragm and an illumination diaphragm, and illuminates a subject eye with light from the two or more light sources via the iris diaphragm and the illumination diaphragm. The iris diaphragm is disposed at an iris conjugate position which is optically substantially conjugate with the iris of the subject eye, and has two or more openings formed therein. The illumination diaphragm is disposed at a fundus conjugate position which is optically substantially conjugate with the fundus of the subject eye. The light-receiving optical system guides return light from the subject eye to an imaging element. The optical path dividing member spatially divides the optical path of the illumination optical system and the optical path of the light-receiving optical system such that, in a plane at the iris conjugate position, images of the two or more openings are disposed in the periphery of a light reception opening through which the return light passes. The centers of the two or more openings are respectively disposed on the optical axis of a corresponding one of the two or more light sources.
A61B 3/14 - Arrangements specially adapted for eye photography
A61B 3/12 - Objective types, i.e. instruments for examining the eyes independent of the patients perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
88.
SURVEYING DEVICE, SURVEYING METHOD, AND SURVEYING PROGRAM
[Problem] To provide a technique with which it is possible to obtain a required scan density on a designated scanning target surface. [Solution] A surveying method using a surveying device 100 having a laser scanning function, said method comprising: acquiring data of a position and an orientation of a scanning target surface, which is an object of laser scanning, with respect to the surveying device 100; receiving, as a required scan density, a laser scan density that is required on the scanning target surface; calculating, as an estimated scan density, a laser scan density in the case that a laser scan has been performed on the scanning target surface under a predetermined laser scan condition; and modifying the scan condition of the laser scan on the basis of a result of comparison between the required scan density and the estimated scan density.
The present invention comprises: a distance measurement light emission unit (23) that has a light-emitting element (28) for emitting distance measurement light (35) toward an object to be measured; a distance measurement light reception unit (24) that has a light-receiving element (39) for receiving reflected distance measurement light (49) from the object to be measured; a tracking light emission unit (25) that has a tracking light-emitting element (53) for emitting, toward the object to be measured, tracking light (36) coaxial with the distance measurement light; a tracking light reception unit (26) that has a tracking light-receiving element for receiving, from the object to be measured, reflected tracking light (51) coaxial with the reflected distance measurement light; and a computation control unit that controls the distance measurement light emission unit and the tracking light emission unit, computes the distance to the object to be measured on the basis of the result of the light-receiving element receiving the reflected distance measurement light, and computes the positional deviation between the object to be measured and the center of the tracking light-receiving element on the basis of the position at which the tracking light-receiving element receives the reflected tracking light. The distance measurement light reception unit and the tracking light reception unit have a light reception prism, the light reception prism being configured so as to internally reflect the reflected tracking light three times.
A surveying system 1 has a surveying device 100 and a retroreflector 200 provided with a transmission unit 210A. The surveying device 100 comprises: a horizontal drive unit 102 that is capable of rotating around the vertical axis of a body unit 100b; a reception unit 120 that receives specific radio waves; a computation unit 101b that, when the reception unit receives radio waves transmitted from a plurality of different positions, calculates the estimated arrival directions of the radio waves and sets the orientation direction of the body unit from the estimated arrival directions; and a survey control unit 101a that controls the horizontal drive unit so that the body unit is oriented in the orientation direction set by the computation unit. The transmission unit 210A comprises: a beacon 211A for transmitting specific radio waves; a support unit 212A for movably supporting the beacon; and a transmission control unit 213A for moving the beacon to transmit the radio waves from a plurality of positions.
The present invention comprises: a distance-measuring light emission unit (23) that has a light-emitting element (28) for emitting distance-measuring light (35) toward a measurement object; a distance-measuring light reception unit (24) that has a light-receiving element (39) for receiving reflected distance-measuring light coming from the measurement object; and an calculation control unit that controls the distance-measuring light emission unit and calculates a distance to the measurement object on the basis of a reception result of the reflected distance-measuring light received by the light-receiving element. The distance-measuring light reception unit has a light-receiving lens (43) that forms an image of the reflected distance-measuring light on the light-receiving element, and the light-receiving lens is configured so as to be a single odd-order aspherical lens that has a first lens portion in which the focal position continuously changes along the radial direction, and a second lens portion in which the focal position remains constant regardless of the in-plane position.
Provided are: a forehead band with which an examinee can easily fit their forehead to an appropriate position on the forehead band; and an ophthalmologic device provided with the forehead band. A forehead band (14c) is provided to an ophthalmologic device (slit lamp microscope (10)). The forehead of an examinee (H) is placed against the forehead band. The forehead band comprises: a forehead abutting surface (64) that abuts the forehead; and left/right edge forming surfaces (66) that connect to opposing-end sides of the left-right direction (X direction) of the forehead abutting surface (64) to form left/right edges (70) on the opposing-end sides of the forehead abutting surface (64) between the edge-forming surfaces and the forehead abutting surface (64).
Method of measuring ionosphere scintillation phase index Sigma-Phi, the method including, for each of N satellites being tracked, calculating a phase prediction at an i-th sample; for each of the N satellites, calculating an individual loop discriminator signal based on the phase prediction; rejecting the i-th samples of some of the N satellites, where K non-rejected satellites remain; calculating common loop discriminator signal based on the individual loop discriminator signals of non-rejected K satellites; calculating a phase estimate and a Doppler frequency estimate at the i-th sample for each of the N satellites based on individual loop discriminator signal; calculating test statistic based on the phase estimate at the i-th sample and an observed phase for each of the N satellites; calculating index Sigma-Phi as standard deviation estimation of the test statistic for each of the N satellites; and outputting the index Sigma-Phi for each of the N satellites.
G01S 19/07 - Cooperating elementsInteraction or communication between different cooperating elements or between cooperating elements and receivers providing data for correcting measured positioning data, e.g. DGPS [differential GPS] or ionosphere corrections
G01S 19/14 - Receivers specially adapted for specific applications
G01S 19/29 - Acquisition or tracking of signals transmitted by the system carrier related
G01S 19/37 - Hardware or software details of the signal processing chain
G01S 19/39 - Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
Dual-fed antenna includes a ground plane; first and second metal patch radiators positioned over the ground plane, the first and second metal patch radiators are mirror images of each other; the first and second metal patch radiators separated by a meander-shaped gap, thereby forming an interdigitated structure, with each radiator having at least three digits; each digit shorted to the ground plane using a corresponding metal pin; each radiator having a coaxial feed implemented as a connector connected to it through the ground plane, or an aperture-coupled feed. Matching networks can be connected to the coaxial feeds at both ports or to microstrip lines connected to the slots of the aperture-coupled feeds. Each radiator can have tuning pins on an opposite side of the radiator from the digits, where each tuning pin can have a capacitive load. A dielectric plate can be placed between the radiators and the ground plane.
The present invention comprises: a distance measurement light emitting unit (23) having a light emitting element (28) that emits distance measurement light (35) to an object subject to measurement; a distance measurement light receiving unit (24) having a light receiving unit (39) that receives reflected distance measurement light (47) from the object subject to measurement; and a calculation control unit that controls the distance measurement light emitting unit and calculates the distance to the object subject to measurement on the basis of the reception result of the reflected distance measurement light at the light receiving unit, wherein the distance measurement light receiving unit has a light receiving prism (44) that internally reflects the reflected distance measurement light at least once within the same plane, the light receiving prism has a recess (63) formed in the surface on the opposite side of the prism from the incident surface of the reflected distance measurement light, the recess being recessed toward the incident surface side, and the light receiving unit is disposed in the recess.
The present invention comprises: a distance measurement light emission unit (23) having a light-emitting element (28) that emits distance measurement light (35) toward an object to be measured; a distance measurement light reception unit (24) having a light-receiving section (39) that receives reflected distance measurement light (47) from the object to be measured; a tracking light emission unit (25) having a tracking light-emitting element (51) that emits tracking light (36) toward the object to be measured on the same axis as the measurement light; a tracking light reception unit (26) having a tracking light-receiving element (54) that receives reflected tracking light (48) from the object to be measured on the same axis as the reflected measurement light; and a calculation control unit that controls the distance measurement light emission unit and the tracking light emission unit, calculates the distance to the object to be measured on the basis of the result of the light reception unit receiving the reflected distance measurement light, and calculates positional deviation between the object to be measured and the center of the tracking light-receiving element on the basis of a tracking image obtained as a result of the tracking light-receiving element receiving the reflected tracking light. The distance measurement light reception unit and the tracking light reception unit have a light reception prism (44) whereby the reflected distance measurement light and the reflected tracking light are internally reflected at least two times in the same plane, and the light reception prism is configured so as to have at least one each of a reflective surface or a transmissive surface having a positive inclination and a reflective surface or a transmissive surface having a negative inclination with respect to a plane orthogonal to the principal light beam of the reflected tracking light.
This non-destructive inspection system 1 has a non-destructive inspection device 2 and a management device 3. The non-destructive inspection device 2 is provided with: a neutron emission unit 10 capable of emitting a neutron beam; a gamma ray detection unit 20 capable of detecting gamma rays; a device casing 30 covering the neutron emission unit 10 and the gamma ray detection unit 20, an opening 30a being formed in the device casing 30; an outer shutter 31 that opens/closes the opening 30a; dose monitors 51, 52, 53 provided to the device casing 30, the dose monitors 51, 52, 53 detecting the radiation dose; a device communication unit 56 capable of transmitting device information including the detected radiation dose to the management device 3, and capable of receiving inspection permission information from the management device 3; and a device control unit 40 that, when the inspection permission information is acquired, opens the outer shutter 31 and enables emission of a neutron beam from the neutron emission unit 10.
G01N 23/222 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by measuring secondary emission from the material by activation analysis using neutron activation analysis [NAA]
Provided are a disease risk evaluation method, a disease risk evaluation system and a health information processing device, whereby it becomes possible to detect the latent onset tendency in a healthy stage in advance and to quantify the prospective disease risk of a disease of interest. Each of the disease risk evaluation method, the disease risk evaluation system and the health information processing device according to the present invention includes a plurality of steps, i.e., a step for classifying into a group in which the susceptibility to developing a specific disease is high and a group in which the susceptibility to developing the specific disease is low regardless of the degree of progression of the disease from a healthy stage until the onset of the disease, and a step for further classifying the degrees of the development of the disease in a group in which the incidence risk is determined as high. Each of the disease risk evaluation method, the disease risk evaluation system and the health information processing device is characterized by being achieved by changing the type of data to be used in a data-driven analysis in each of the steps.
G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indicesICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
99.
OPTICAL DATA PROCESSING DEVICE, OPTICAL DATA PROCESSING METHOD, AND OPTICAL DATA PROCESSING PROGRAM
[Problem] To provide a feature with which an external standardization element of a camera attached to a measuring device is easily obtained. [Solution] An optical data processing device 500 comprising: an image data acceptance unit 501 that accepts image data pertaining to a plurality of first images obtained through imaging in a plurality of different directions by a first camera 115 provided to a measuring device 100, and data pertaining to a wide-angle image captured by a second camera, which is externally attached to the measuring device 100 and which captures a broader range than the imaging range of the first camera 115; a feature extraction unit 502 that extracts features from the plurality of first images and the wide-angle image; an image detection unit 503 that detects a specific image for which the features in the plurality of first images meet a specific condition, and a partial image for which the feature in the wide-angle image meets the specific condition; a correspondence relationship identification unit 504 that identifies a correspondence relationship between the specific image and the partial image; and a standardization unit 505 that, on the basis of the correspondence relationship, calculates a relationship between the positions and orientations of the first camera 115 and the second camera.
The present invention relates to a surface measurement instrument (40), a surface measurement system (1), and a measurement method with which it is possible to accurately measure a measurement surface in various states. Provided is a surface measurement jig having a columnar body (44) that is in ground contact with a measurement surface (WL) and has an outer-peripheral-side surface capable of moving along the measurement surface (WL), a base body (43) to which the columnar body is attached, and a target (42) from which position information can be acquired through measurement from a remote location, the target (42) being disposed on the rotational axis of the columnar body so that a center position in the position information is on the central axis (44a) of the columnar body. The distance (T) from the measurement surface to the center position of the target is always kept fixed even if the columnar body moves in contact with the measurement surface, therefore making it possible to accurately and easily measure the state of recesses and protrusions on the measurement surface, the dimensions of the measurement surface, and other such features.
