An object position determining system comprising: at least one light source, configured to emit light; at least one optical sensor, configured to sense optical data generated based on reflected light of the light; and a processing circuit, configured to compute distance information between the optical sensor and an object which generates the reflected light. The processing circuit further determines a position of the object according to the distance information.
A stacked structure formed of two active element layers includes: a first substrate; a first conductive surface including a first active region; a second substrate; a second conductive surface including a second active region; a compression space between the first active region of the first conductive surface and the second substrate; an elastic layer formed on the first active region of the first conductive surface or on an exposed surface of the second substrate, and including a plurality of elastic nodules compressed by relative movement of the first conductive surface and the second conductive surface toward each other in response to a voltage difference, or in response to an external force; and a first solid binding edge formed at one side of the first active region of the first conductive surface and the second conductive surface, and coupled to the first active region and the second substrate.
PIXART IMAGING INCORPORATION (Taiwan, Province of China)
Inventor
Seow, Boon-Eu
Tiew, Kei-Tee
Abstract
An SAR ADC includes: at least one sub-ADC, configured to convert a corresponding input signal to a corresponding SAR code; and a tuning control unit, configured to adjust a full-scale voltage (VFS) of each of the sub-ADC to a corresponding predetermined target level in a VFS tuning mode. The tuning control unit generates a tuning code to control an adjusting capacitor array coupled to the sub-ADC for tuning the VFS. The tuning control unit controls the sub-ADC to convert plural reference voltages in the VFS tuning mode and extrapolating the conversion result to determine a corresponding calibrating VFS. The tuning control unit determines whether the calibrating VFS meeting the target VFS and loops the adjusting process in a linear search method or in a SAR method.
An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
G01J 5/0875 - WindowsArrangements for fastening thereof
G01J 5/12 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using thermoelectric elements, e.g. thermocouples
A mechanical key component and a mechanical keyboard are provided. The mechanical key component includes a circuit board, an elastic element and a key cap. The circuit board is provided with a first sensing electrode. The elastic element is disposed on the circuit board, and a movable portion of the elastic element is connected to a second sensing electrode. The key cap is movably disposed on the elastic element. The elastic element enables the key cap to move between an unpressed position and a pressed position, and the movable portion drives the second sensing electrode to move relative to the first sensing electrode. In response to the key cap being moved between the unpressed position and the pressed position, a coupling capacitance between the first sensing electrode and the second sensing electrode changes to indicate whether the key cap is in the unpressed position or the pressed position.
H01H 13/807 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the contacts or the contact sites characterised by the spatial arrangement of the contact sites, e.g. superimposed sites
An optical sensor device includes a pixel array and a control circuit. The pixel array has pixel units arranged in N rows and M columns, and a pixel unit comprises: a photo transistor, configured to capture and generate a first image signal during a first shutter exposure time interval of a first time and to capture and generate a second image signal during a second shutter exposure time interval of a second time, the first time and the second time being consecutive; a first integration capacitor, coupled to the photo transistor, for storing the first image signal; and a second integration capacitor, coupled to the photo transistor, for storing the second image signal. The control circuit performs a motion detection to determine whether a motion occurs according to a difference between the two image signals.
H04N 25/62 - Detection or reduction of noise due to excess charges produced by the exposure, e.g. smear, blooming, ghost image, crosstalk or leakage between pixels
H04N 25/771 - Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising storage means other than floating diffusion
A cleaning system and a cleaning method are provided. The cleaning system includes a main body, an air suctioning device, a light source, an optical sensor, a memory and a processing unit. The air suctioning device includes an air flow passage and a fan-motor assembly that is disposed in the air flow passage and generates a suction force to suction outside air through the air flow passage. The light source emit light to the air flow passage. The optical sensor captures a plurality of successive image frames from the air flow passage. The processing unit is configured to: obtain first and second image frames from the successive image frames; compare the first image frame with the second image frame to identify dust particles; obtain a particle feature of the dust particles; and determine a current cleanness condition according to the particle feature.
A47L 9/28 - Installation of the electric equipment, e.g. adaptation or attachment to the suction cleanerControlling suction cleaners by electric means
A47L 5/22 - Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
A47L 9/00 - Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating actionStoring devices specially adapted to suction cleaners or parts thereofCarrying-vehicles specially adapted for suction cleaners
A47L 9/14 - Bags or the likeAttachment of, or closures for, bags
A47L 9/19 - Means for monitoring filtering operation
G06V 10/75 - Organisation of the matching processes, e.g. simultaneous or sequential comparisons of image or video featuresCoarse-fine approaches, e.g. multi-scale approachesImage or video pattern matchingProximity measures in feature spaces using context analysisSelection of dictionaries
8.
Optical navigation device and method capable of more efficiently saving power
A method of an optical navigation device, to be coupled to a computer device through a specific communication interface, includes: providing an optical sensor to sense and generate an optical navigation position related signal in response to a movement of the optical navigation device; detecting a moving speed of the movement of the optical navigation device; and, dynamically adjusting a transmission report rate of the optical navigation device, which is used to periodically transmit the optical navigation position related signal to the computer device, based on the detect moving speed.
G06F 3/03 - Arrangements for converting the position or the displacement of a member into a coded form
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
G06F 3/038 - Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
There is provided a mobile robot including a light source, an image sensor and a processor. The image sensor respectively captures bright image frames and dark image frames corresponding to the light source being turned on and turned off. The processor identifies that the mobile robot faces a cliff when a gray level variation between the bright image frames and the dark image frames is very small, and controls the mobile robot to stop moving forward continuously.
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
G06T 5/50 - Image enhancement or restoration using two or more images, e.g. averaging or subtraction
10.
TRACKING DEVICE AND ELECTRONIC DEVICE HAVING TWO IMAGE SENSORS
A tracking device including an image sensor, a light source and a processor is provided. The image sensor senses reflected light or scattered light formed by the light source illuminating a work surface. The processor calculates a trace of the tracking device according to one of the reflected light and the scattered light that generates more apparent image features so as to increase the adaptable work surfaces.
There is provided a detection device using a SPAD array including a sensor array, multiple counters, a processor and a frame buffer. The sensor array includes a plurality of SPADs respectively generates an avalanche current while receiving a photon. Each counter counts a number of triggering times of the avalanche current of a corresponding SPAD within an exposure interval. The frame buffer is pre-stored with a plurality of gain calibration values corresponding to every SPAD of the sensor array. The processor accesses the gain calibration values to accordingly calibrate a counting image frame outputted by the sensor array to output a calibrated image frame.
There is provided a pixel circuit capable of outputting time difference data or image data, and including a first temporal circuit and a second temporal circuit. The first temporal circuit is used to store detected light energy of a first interval and a second interval as the time difference data. The second temporal circuit is used to store detected light energy of the second interval as the image data. The pixel circuit is used to output a pulse width signal corresponding to the time difference data or the image data in different operating modes.
There is provided a lens including a first curved surface and a second curved surface. The first curved surface and the second curved surface have different focal distances and are arranged interlacedly along a radial direction of the lens.
B29D 11/00 - Producing optical elements, e.g. lenses or prisms
G02B 3/08 - Simple or compound lenses with non-spherical faces with discontinuous faces, e.g. Fresnel lens
G06F 3/03 - Arrangements for converting the position or the displacement of a member into a coded form
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
A weeder robot includes a movable carrier and a blade module assembled to the movable carrier. The movable carrier includes a map creating module and a control module that is electrically coupled to the blade module and the map creating module. The map creating module includes an infrared unit and a vision sensing unit. The infrared unit can emit and receive an infrared light. The vision sensing unit can obtain an image information in a non-contact manner. The movable carrier can be used to move in a court, so that the map creating module can generate a three-dimensional (3D) court map through cooperation between the infrared unit and the vision sensing unit. When the weeder robot performs a maintenance process, the control module drives the blade module to weed a portion of a lawn higher than a predetermined height according to the 3D court map.
An image sensing device and an image sensing method are provided. The image sensing device includes a pixel array, first row-selecting lines, second row-selecting lines and a control circuit. Pixels in the pixel array are arranged to form a plurality of rows and a plurality of columns. A first set of the pixels of each row is electrically connected to the corresponding first row-selecting line, and a second set of the pixels of each row is electrically connected to the corresponding second row-selecting line. The control circuit performs an HFR readout process to obtain an image frame. The rows are divided into a selectable portion and an unselectable portion. In each of HFR readout periods, the first set of an unselected first row and the second set of an unselected second row are selected from the selectable portion of the rows.
H04N 25/78 - Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
H04N 25/585 - Control of the dynamic range involving two or more exposures acquired simultaneously with pixels having different sensitivities within the sensor, e.g. fast or slow pixels or pixels having different sizes
A smoke detector comprises a light source, an optical sensor, a first, and a second processing circuit. The optical sensor senses optical data and comprises; a first oscillator, generating a first oscillating signal; and a second oscillator, generating a second oscillating signal. The first processing circuit generates a first command to instruct the first oscillator to oscillate for a first expected oscillating time, and acquires a first real oscillating time, wherein the first processing circuit further computes a time relation between the first expected oscillating time and the first real oscillating time. The first processing circuit generates a second command to instruct the second oscillator to oscillate for a second expected oscillating time according to the time relation. The second processing circuit controls the smoke detector to generate a first alarm according to the time relation. The optical sensor can also be applied to other electronic devices.
There is provided a denoising circuit connecting to two pins of a chip. The denoising circuit includes a shielding branch, a driving branch and an intermediate capacitor. The shielding branch is connected between a first pin of the chip, a ground voltage and a shielding metal. The driving branch is connected between a second pin of the chip and a load. The intermediate capacitor is connected between the shielding branch and the driving branch. The first pin and the second pin are used to respectively output a sinusoidal signal.
A method for configuring an optical input device is provided. The optical input device includes a movable unit and a sensing device. The movable unit is arranged to move within a predetermined range. The sensing device is arranged to detect a position within the predetermined range at which the movable unit is located. The method includes: adjusting an optical setting of the sensing device to obtain an optimal dynamic range of the sensing device; and configuring a valid input threshold for the optical input device based on the optimal dynamic range.
There is provided a time of flight sensor including a light source, a first pixel, a second pixel and a processor. The first pixel generates a first output signal without receiving reflected light from an external object illuminated by the light source. The second pixel generates a second output signal by receiving the reflected light from the external object illuminated by the light source. The processor calculates deviation compensation and deviation correction associated with temperature variation according to the first output signal to accordingly calibrate a distance calculated according to the second output signal.
There is provided an optical encoder including an encoding medium and a substrate. The encoding medium has a relative movement with respect to the substrate in a predetermined direction. The substrate includes an index photodiode and two control photodiodes. The index photodiode is arranged between the two control photodiodes along the predetermined direction. The output signals of the two control photodiodes are for controlling ON/OFF of gain regulation on an output signal of the index photodiode so as to turn on the gain regulation within an interval during which the index photodiode does not generate an index pulse but to turn off the gain regulation within an interval during which the index photodiode generates the index pulse.
G01D 5/347 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
A pen mouse is provided for controlling a movement of a cursor displayed on a monitor. The pen mouse includes a pen and an optical detection module assembled in the pen. The optical detection module includes a circuit board, two sensors, and a laser emitter, the latter two of which are assembled onto the circuit board. When the pen mouse is moved along a working surface to implement a mouse control motion, the two sensors receive a detection light emitted from the laser emitter and reflected by the working surface, so as to determine whether the mouse control motion is a pen-tilted motion or a pen-spinning motion, thereby compensating the movement of the cursor.
G06F 3/038 - Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
An optical mouse operated with respect to an illuminated surface outside the optical mouse is provided. The optical mouse includes a light source configured to emit a light beam, and a light pipe including a first optical element and a second optical element. The light beam enters the light pipe through the first optical element, and then propagates in the light pipe from the first optical element to the second optical element without reflection, and then leaves the light pipe through the second optical element, and then illuminates the illuminated surface. The light pipe does not have any protrusion extending therefrom and attached to a front surface of the light source.
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G06F 3/03 - Arrangements for converting the position or the displacement of a member into a coded form
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
23.
MAGNETIC SENSING SYSTEM AND MAGNETIC SENSING INPUT DEVICE
A magnetic sensing system and a magnetic sensing input device are provided. The magnetic sensing system includes a first electronic device and a second electronic device. The first electronic device includes a first processor and a modulable magnetic source, and the first processor controls the modulable magnetic source according to predetermined information to generate a modulated magnetic field. The second electronic device includes a magnetic sensor and a second processor. The magnetic sensor detects the modulated magnetic field, and the second processor receives the detected modulated magnetic field to obtain the predetermined information.
A63F 13/30 - Interconnection arrangements between game servers and game devicesInterconnection arrangements between game devicesInterconnection arrangements between game servers
A63F 13/212 - Input arrangements for video game devices characterised by their sensors, purposes or types using sensors worn by the player, e.g. for measuring heart beat or leg activity
A63F 13/235 - Input arrangements for video game devices for interfacing with the game device, e.g. specific interfaces between game controller and console using a wireless connection, e.g. infrared or piconet
G01D 5/14 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
A pointing method, applied to a pointing device comprising a processing circuit, comprising: (a) receiving input delta by the processing circuit, wherein the input delta indicates supposed movement of the pointing device; (b) adjusting the input delta to generate output delta by the processing circuit, wherein the input delta has a first magnitude and the output delta has a second magnitude, wherein the second magnitude is smaller than or equal to the first magnitude; and (c) output the output delta by the processing circuit.
There is provided a smoke detector including a first light source, a second light source surface, a light sensor and a processor. The light sensor receives reflected light when the first light source and the second light source emit light, and generates a first detection signal corresponding to light emission of the first light source and a second detection signal corresponding to light emission of the second light source. The processor distinguishes smoke and floating particles according to a similarity between the first detection signal and the second detection signal.
An optical detection module and a related manufacturing method are applied for chip scale package technology. The optical detection module includes a chip scale package assembly and a light sheltering layer. The chip scale package assembly includes a glass substrate, a detection chip, an isolation layer, a plurality of redistribution layers, and a plurality of conductive contacts. The detection chip is located above the glass substrate. The isolation layer is disposed on a surface of the detection chip opposite to the glass substrate. The plurality of redistribution layers is disposed on the isolation layer and spaced from each other, and having a plurality of conductive units. The plurality of conductive contacts is respectively disposed on the plurality of conductive units. The light sheltering layer is disposed on a lateral surface of the chip scale package assembly, and adapted to block light transmission and provide a covering protection function.
An optical navigation device, comprising: an image sensor, comprising a first number of pixels; and a processing circuit, configured to perform following steps: controlling the image sensor to sense a first sensing image by the first number of pixels in a first mode; and controlling the image sensor to perform a pixel binning such that the image sensor senses a second sensing image by a second number of binning pixels in a second mode; wherein the first number is larger than the second number, and each of the binning pixels corresponds to a plurality of the pixels.
G06F 3/03 - Arrangements for converting the position or the displacement of a member into a coded form
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
G06F 3/038 - Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
28.
IMAGE DOWNSAMPLING METHOD AND IMAGE PROCESSING SYSTEM USING THE IMAGE DOWNSAMPLING METHOD
An image down-sampling method, for down-sampling a sensing image comprising a plurality of first pixels and a plurality of second pixels which are alternatively arranged, comprising: generating a first output pixel value according to at least one pixel value of at least one of the first pixel in a first down-sampling group; wherein the first down-sampling group comprises an odd number of pixels. By this way, the saw-tooth image issue in prior art may be improved. If the image down-sampling method is applied to a surveillance camera, the accuracy of event detection of the surveillance camera may be increased.
There is provided a computer system including a mouse device and a host. The mouse device receives a command script from the host to determine output data to be transmitted to the host. The output data includes, for example, at least one pressed key signal and/or a movement signal. The command script is previously recorded in the host or is determined according to raw data detected by the mouse device. The present disclosure further provides a gaming mouse.
A63F 13/22 - Setup operations, e.g. calibration, key configuration or button assignment
A63F 13/23 - Input arrangements for video game devices for interfacing with the game device, e.g. specific interfaces between game controller and console
A63F 13/533 - Controlling the output signals based on the game progress involving additional visual information provided to the game scene, e.g. by overlay to simulate a head-up display [HUD] or displaying a laser sight in a shooting game for prompting the player, e.g. by displaying a game menu
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
G06F 3/038 - Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
There is provided a finger detection device including a light source, a light sensor and a processor. The light sensor respectively captures a first image frame and a second image frame corresponding to turning on and turning off the light source. The processor calculates a differential image frame of the first image frame and the second image frame, determines a covered region in the differential image frame and identifies whether the covered region is a finger region or not. If the covered region is not the finger region, the processor controls the light sensor to acquire new image frames. If the covered region is the finger region, the processor determines different windows of interest in the finger region.
There is provided a detection device including a light source, an avalanche diode, a first counter, a second counter and a processor. The light source emits light within a first interval, and is turned off within a second interval, a third interval and a fourth interval. The avalanche diode detects photons corresponding to the first interval, second, third and fourth intervals to trigger avalanche events. The first counter performs up-counting on the avalanche events in the first interval and performs down-counting on the avalanche events in the third interval to generate a first count value. The second counter performs up-counting on the avalanche events in the second interval and performs down-counting on the avalanche events in the fourth interval to generate a second count value. The processor calculates a time-of-flight according to the first count value and the second count value.
There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.
H01L 31/107 - Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier or surface barrier the potential barrier working in avalanche mode, e.g. avalanche photodiode
H04N 25/76 - Addressed sensors, e.g. MOS or CMOS sensors
34.
PHYSIOLOGICAL DETECTION DEVICE CAPABLE OF CANCELING MOTION ARTIFACT
There is provided a physiological detection device including a white light source, a molding and a pixel array. The white light source is configured to emit white light having a color temperature between 2800K and 3200K. The molding is formed upon the white light source and configured to constrain an emission angle of the white light between 60 and 80 degrees. The pixel array is covered by a filter layer having a passband between 570 nm and 620 nm configured to filter the white light.
A lighting touchpad is provided, which includes a substrate module, a sensing electrode layer formed on the substrate module, a driving electrode layer including a plurality of driving electrodes formed on the substrate module, a plurality of light emitting diode (LED) dies, a protective layer, and a controller. The protective layer covers the sensing electrodes, the driving electrodes, and the LED dies. The controller is electrically coupled to the sensing electrode layer, the driving electrode layer, and the LED dies through the substrate module. The substrate module includes a first substrate having two opposite surfaces. The driving electrode layer is formed on one of the two opposite surfaces of the first substrate, and the LED dies are mounted on another one of the two opposite surfaces of the first substrate and are closer to the protective layer.
G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
G06F 3/044 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
36.
OPTICAL ENCODING SYSTEM COMPENSATING ASSEMBLY TOLERANCE
There is provided an optical encoding system including a photodiode array and a code disk opposite to each other. The photodiode array includes a detection photodiode group and a calibration photodiode group. If there is a position deviation between the photodiode array and the code disk, whether to utilize detection signals of the calibration photodiode group is determined according to phase shifts between detection signals outputted by the detection photodiode group so as to eliminate the phase shifts.
G01D 5/347 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
G01D 18/00 - Testing or calibrating apparatus or arrangements provided for in groups
37.
MECHANISM CAPABLE OF DETECTING MOTIONS OF DIFFERENT SURFACE TEXTURES WITHOUT NEEDING TO PERFORM OBJECT IDENTIFICATION OPERATION
A method of an optical sensor includes: using a single image sensor array of the optical sensor to capture and generate an image frame; selecting a plurality of image regions within the image frame, the plurality of image regions being not overlapped; detecting a plurality of motion results of the plurality of image regions respectively and individually based on images of the plurality of image regions without performing object detection; and determining a plurality of motions of surface feature images respectively within the plurality of image regions according to the plurality of motion results of the plurality of image regions.
There is provided an electronic device arranged to be unlocked using a fingerprint. The electronic device includes a touch pad, a processor and an operation system. The touch pad acquires fingerprint data within sequential multiple time intervals, respectively. The processor recognizes a fingerprint of each time interval according to the fingerprint data. Upon a sequence and an operating feature of multiple fingerprints matching a predetermined condition, the processor controls the operation system to unlock the electronic device.
An optical data sensing device of a biological information measuring device, comprising: an optical sensor; a first light emitting device, configured to emit first light away from the optical sensor; and a first opaque isolation component, located between the optical sensor and the first light emitting device, configured to reduce the first light received by the optical sensor. The present invention also discloses an optical data sensing device comprising a plurality of light emitting devices with different emitting directions or wavelengths, to improve the accuracy of biological information measuring.
A61B 5/1455 - Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value using optical sensors, e.g. spectral photometrical oximeters
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/0205 - Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
There is provided an optical sensor including an SPAD pixel array, multiple counters and a processor. The multiple counters count photon events of the SPAD pixel array to output an event-based vision sensor (EVS) frame per EVS period. The processor determines an index state of each pixel of the SPAD pixel array by comparing a counting value of each pixel respectively at a predetermined number of checking points with two predetermined thresholds, and calculates an index change of the index state associated with each pixel between adjacent EVS frames. The processor further changes the EVS period and/or adds a count offset to the counting value of each pixel to improve sensitivity of the event-based vision sensor.
An optical sensor, for sensing a sensing frame corresponding to a flicker period of ambient light, comprising: a pixel array, configured to perform N times of exposure operations via at least one pixel of the pixel array in N exposure time intervals to generate N sub-frames, wherein a summation of the N exposure time intervals equals to a sensing interval and the sensing interval is less than or identical to a first flicker period. The optical sensor adds the N sub-frames to generate a summing sub-frame. The sensing frame comprises the summing sub-frame. The adding operation can also be performed to digital signals generated from the sub-frames. The influences caused by the fluctuation of ambient light can be neutralized, since the frame or portion of the frame is sensed at least twice at different phases of a single flicked period. By this way, the conventional flicker issue can be improved.
H04N 23/745 - Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination
H04N 23/73 - Circuitry for compensating brightness variation in the scene by influencing the exposure time
H04N 23/743 - Bracketing, i.e. taking a series of images with varying exposure conditions
H04N 25/583 - Control of the dynamic range involving two or more exposures acquired simultaneously with different integration times
H04N 25/75 - Circuitry for providing, modifying or processing image signals from the pixel array
42.
ANALOG OPERATION CIRCUIT FOR PROCESSING PIXEL DATA IN ANALOG PHASE
There is provided a pixel circuit for performing analog operation including a photodiode, a first circuit, a second circuit and an operation circuit. Within a first interval, the photodiode detects first light energy to be stored in the first circuit. Within a second interval, the photodiode detects second light energy to be stored in the second circuit. Within an operation interval, the first circuit outputs a first detection signal according to the first light energy and outputs a second detection signal according to the second light energy for being calculated by the operation circuit.
There is provided a motion sensor including a pixel array and a processor. The motion sensor is embedded with multiple power consumption modes. In one of the multiple power consumption modes, the pixel array outputs image frames having different frame formats. The processor processes the image frames having different frame formats respectively using different algorithms so as to achieve the purposes of low power consumption and high detection sensitivity.
H04N 23/65 - Control of camera operation in relation to power supply
G06T 7/246 - Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
G06T 7/254 - Analysis of motion involving subtraction of images
H04N 23/667 - Camera operation mode switching, e.g. between still and video, sport and normal or high and low resolution modes
H04N 23/68 - Control of cameras or camera modules for stable pick-up of the scene, e.g. compensating for camera body vibrations
H04N 25/42 - Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by switching between different modes of operation using different resolutions or aspect ratios, e.g. switching between interlaced and non-interlaced mode
44.
OPTICAL SENSOR OUTPUTTING PARTIAL IMAGE DATA OF PIXEL ARRAY
There is provided a pixel circuit capable of outputting time difference data and image data, and including an image circuit and a difference circuit. The image circuit is used to record and output detected light energy of a first interval as the image data. The difference circuit is used to record and output a variation of detected light energy between the first interval and a second interval as the time difference data. The pixel circuit selects to output at least one of the time difference data and the image data.
H04N 25/75 - Circuitry for providing, modifying or processing image signals from the pixel array
H04N 25/589 - Control of the dynamic range involving two or more exposures acquired sequentially, e.g. using the combination of odd and even image fields with different integration times, e.g. short and long exposures
H04N 25/767 - Horizontal readout lines, multiplexers or registers
H04N 25/77 - Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components
H04N 25/771 - Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising storage means other than floating diffusion
H04N 25/78 - Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
An apparatus having a gesture sensor is provided. The apparatus is a satellite navigation apparatus which includes a display device, a controller and a gesture sensor. The controller establishes a signal link with the display device so as to allow map information and coordinate information to be transmitted to the display device. The processing unit is electrically connected to the image sensing unit and establishes a signal link with the controller. The processing unit may send at least one gesture control signal to the controller according to at least one gesture image, and the controller is used to control the display mode of map and coordinate information on the display device according to the gesture control signal.
G06F 3/01 - Input arrangements or combined input and output arrangements for interaction between user and computer
A63B 24/00 - Electric or electronic controls for exercising apparatus of groups
A63B 69/36 - Training appliances or apparatus for special sports for golf
A63B 71/06 - Indicating or scoring devices for games or players
G06F 3/04845 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
G09B 19/00 - Teaching not covered by other main groups of this subclass
46.
DRIVING ABILITY DETERMINING SYSTEM AND DRIVING ABILITY DETERMINING METHOD
A driving ability determining system, provided in a vehicle and for determining a driving ability of a driver of the vehicle, comprising: a HOD device embedded on a steering wheel, configured to receive at least one user input, wherein the user input is generated by the driver responding to a test instruction; and a processing circuit, configured to determine the driving ability of the driver according to the user input. By using such system, the driving ability may be determined in real time. Also, the driving function of the vehicle may be stopped if the driving ability is determined to be poor. By this way, the safety of driving vehicles may be increased.
A lighting touchpad is provided. The lighting touchpad includes a substrate, a plurality of first electrodes, a plurality of second electrodes, a plurality of bonding pads and a plurality of lighting devices. The plurality of first electrodes, the plurality of second electrodes and the plurality of bonding pads are arranged on the substrate, and the first electrodes, the second electrodes, and the bonding pads are alternately arranged in a sensing area without overlapping with one another. The pluralities of lighting devices are connected to a part of the bonding pads. The sensing area includes a plurality of sensing cells, and the first electrodes, the second electrodes and the bonding pads are arranged according to a predetermined spatial characteristic for each of the sensing cells
G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
G06F 3/044 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
There is provided a bottom cover for being covered on an optical system. The bottom cover is attached in front of the optical engine. The bottom cover has a bottom surface for facing a working surface when the optical system is moving on the working surface, a first opening for emission light of the optical engine to go through and a second opening for reflected light from the working surface to go through. The bottom cover is further formed with guiding protrusions protruded out from the bottom surface toward the working surface and surrounding at least the second opening to guide soft materials on the working surface to away from the second opening.
H04N 23/54 - Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
G06F 3/03 - Arrangements for converting the position or the displacement of a member into a coded form
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
H04N 23/55 - Optical parts specially adapted for electronic image sensorsMounting thereof
H04N 23/56 - Cameras or camera modules comprising electronic image sensorsControl thereof provided with illuminating means
There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode (SPAD) and a floating diffusion. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. The floating diffusion is used to record a voltage of one photon event detected by the SPAD in an exposure period.
H01L 31/107 - Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier or surface barrier the potential barrier working in avalanche mode, e.g. avalanche photodiode
H04N 25/76 - Addressed sensors, e.g. MOS or CMOS sensors
50.
ELECTRONIC DEVICE EMPLOYING THERMAL SENSOR AND IMAGE SENSOR
There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
G06F 21/32 - User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
G06V 10/143 - Sensing or illuminating at different wavelengths
G06V 10/74 - Image or video pattern matchingProximity measures in feature spaces
G06V 10/80 - Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level
G06V 40/10 - Human or animal bodies, e.g. vehicle occupants or pedestriansBody parts, e.g. hands
G06V 40/20 - Movements or behaviour, e.g. gesture recognition
G06V 40/40 - Spoof detection, e.g. liveness detection
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
51.
FLEXIBLE CAPACITIVE TOUCH SENSING DEVICE AND HOD DEVICE
A flexible capacitive touch sensing device comprising a first, a second sensing region and a capacitance detection circuit. Each of the first, second sensing region comprises: flexible material; and electrodes, in or on the flexible material. Capacitance sensed by the capacitance detection circuit is used for detecting if an object causes capacitance variation to the first sensing region and the second sensing region. The first sensing region comprises a first side region with a first side which is adjacent to a second side of the second sensing region Shapes of the electrodes are changeable after provided on the flexible material. The electrodes are overlapped in normal directions of the first side region and the second side region. An angle which is not 0 degree exists between the electrodes which are overlapped. Such flexible capacitive touch sensing device can be applied to generate a HOD device with different sizes.
G01D 5/24 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
B32B 5/02 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by structural features of a layer comprising fibres or filaments
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B62D 1/06 - Rims, e.g. with heating meansRim covers
H05B 3/34 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs
52.
OPTICAL SENSING SYSTEM AND METHOD FOR ELIMINATING MISJUDGMENT OF REFLECTIVE LIGHTS
An optical system and a method for eliminating misjudgment of reflective lights are provided. The method includes: emitting a detection light by a light source; receiving reflective light signals by a light sensor; and configuring a processing circuit to: generate a characteristic pattern according to the reflective light signals received by the light sensor; analyze the characteristic pattern and determine whether or not the characteristic pattern includes a plurality of sub-patterns; in response to determining that the characteristic pattern includes the plurality of sub-patterns, compare positions of the sub-patterns with a reference position of a reference pattern; and select the sub-pattern having the position that is closest to the reference position to determine whether an object possesses and eliminate misjudgment caused by the reflective lights.
A circuit carrier includes a substrate, a capacitive electrode layer, a plurality of metal pads and a plurality of bridges, and a plurality of conductive pillars. The capacitive electrode layer formed on a surface of the substrate and includes a plurality of first electrodes and a plurality of second electrodes. At least two of the first electrodes are connected to each other and be arranged across a die-bonding region of the substrate for separating at least two of the second electrodes that partially protrude from the die-bonding region to respectively form extensions. The metal pads and the bridges are formed on another surface of the substrate and are located outside of the die-bonding region. Each of the bridges connects two of the metal pads, and each of the conductive pillars is embedded in the substrate and connects one of the extensions and a corresponding one of metal pads.
There is provided a capacitive touch control system including a readout circuit and a touch panel. The touch panel includes multiple pixels arranged in a matrix, and is configured to operate in a first mode or a second mode. In the first mode, the touch panel time-divisionally detects a beacon frequency of a beacon symbol of the stylus pen signal within a first detection interval and performs a touch detection within a second detection interval corresponding to a beacon length interval of the beacon symbol. In the second mode, the readout circuit sequentially reads all pixel rows and pixel columns of the multiple pixels using a predetermined number of readout intervals within a positioning interval of the stylus pen signal, wherein in each of the readout intervals, each of multiple sub-circuits of the readout circuit reads one pixel row or one pixel column of the touch panel.
There is provided an optical engine for a navigation device including a first light source, a second light source, a lens, a carrier member and an image sensor. The carrier member has a light holder, a lens holder, an accommodation space and a tilted wall. The first light source is arranged on the light holder of the carrier member, and reflected light associated with the first light source penetrates through the lens to propagate to the image sensor inside the accommodation space. Reflected light associated with the second light source penetrates through the tilted wall of the carrier member to propagate to the image sensor.
A pixel circuit, comprising: a light sensing circuit, configured to operate corresponding to a light intensity of light received by the light sensing circuit; a first capacitor; a first discharging circuit, coupled to the light sensing circuit and the first capacitor, configured to discharge the first capacitor corresponding to an operation of the light sensing circuit; a first charging circuit, coupled to the first capacitor, configured to charge the first capacitor corresponding to the operation of the light sensing circuit; a second capacitor; a second discharging circuit, coupled to the light sensing circuit and the second capacitor, configured to discharge the second capacitor corresponding to the operation of the light sensing circuit; and a second charging circuit, coupled to the second capacitor, configured to charge the second capacitor corresponding to the operation of the light sensing circuit. An image sensor applying the pixel circuit is also disclosed.
H04N 25/771 - Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising storage means other than floating diffusion
H04N 25/78 - Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
57.
MEDICAL MONITORING SYSTEM WITH AUTOMATIC DOSING EQUIPMENT
There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
G06F 21/32 - User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
G06V 10/143 - Sensing or illuminating at different wavelengths
G06V 10/74 - Image or video pattern matchingProximity measures in feature spaces
G06V 10/80 - Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level
G06V 40/10 - Human or animal bodies, e.g. vehicle occupants or pedestriansBody parts, e.g. hands
G06V 40/20 - Movements or behaviour, e.g. gesture recognition
G06V 40/40 - Spoof detection, e.g. liveness detection
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
58.
ELECTRONIC DEVICE CAPABLE OF IDENTIFYING INELIGIBLE OBJECT
An electronic device for face recognition is provided. The electronic device is used to exclude an ineligible object to be identified according to the relative relationship between object distances and image sizes, the image variation with time and/or the feature difference between images captured by different cameras to prevent the possibility of cracking the face recognition by using a photo or a video.
G06V 10/40 - Extraction of image or video features
G06V 10/80 - Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level
59.
SHARED VIRTUAL REALITY SYSTEM USING WEARABLE ACCESSARY
A virtual reality system including an image viewing device and a wearable accessary is provided. The image viewing device detects a biometric characteristic to identify a user ID according to the biometric characteristic, outputs an ID signal associated with the identified user ID and shows video stream associated with the identified user ID. The wearable accessary detects an attached status and movement of the wearable accessary after receiving the ID signal, and sends a control signal to the image viewing device to change image content in the video stream according to the detected movement of the wearable accessary when the attached status indicates continuous wearing.
There is provided a moving robot including a first light source module and a second light source module respectively project a first light section and a second light section, which are vertical light sections, in front of a moving direction, wherein the first light section and the second light section cross with each other at a predetermined distance in front of the moving robot so as to eliminate a detection dead zone between the first light source module and the second light source module in front of the moving robot to avoid collision with an object during operation.
G05D 1/00 - Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
A47L 11/40 - Parts or details of machines not provided for in groups , or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers or levers
B25J 11/00 - Manipulators not otherwise provided for
G06T 7/521 - Depth or shape recovery from laser ranging, e.g. using interferometryDepth or shape recovery from the projection of structured light
61.
BODY TEMPERATURE MONITORING DEVICE AND WEARABLE ACCESSARY HAVING THERMAL SENSOR
There is provided a recognition system adaptable to a portable device or a wearable device. The recognition system senses a body heat using a thermal sensor, and performs functions such as the living body recognition, image denoising and body temperature prompting according to detected results.
G06F 21/32 - User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
G06V 10/143 - Sensing or illuminating at different wavelengths
G06V 10/74 - Image or video pattern matchingProximity measures in feature spaces
G06V 10/80 - Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level
G06V 40/10 - Human or animal bodies, e.g. vehicle occupants or pedestriansBody parts, e.g. hands
G06V 40/20 - Movements or behaviour, e.g. gesture recognition
G06V 40/40 - Spoof detection, e.g. liveness detection
G16H 40/63 - ICT specially adapted for the management or administration of healthcare resources or facilitiesICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
There is provided a fire alarm device including multiple light sources, a light sensor, a first processor and a second processor. In a standby mode, the first processor identifies whether to wake up the second processor according to a detection result of the light sensor obtained by detecting emission light of one of the multiple light sources. The second processor identifies whether to generate an alarm according to a detection result of the light sensor obtained by detecting emission light of the multiple light sources. The fire alarm device further includes a thermal sensor for providing detected temperature values to the first processor and/or the second processor to perform the identifying procedure.
There is provided an optical sensor package including a substrate, a base layer, an optical detection region, a light source and a light blocking wall. The base layer is arranged on the substrate. The light detection region and the light source are arranged on the base layer. The light blocking wall is arranged on the base layer, and located between the light detection region and the light source to block light directly propagating from the light source to the light detection region.
H01L 31/14 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof structurally associated with, e.g. formed in or on a common substrate with, one or more electric light sources, e.g. electroluminescent light sources, and electrically or optically coupled thereto the light source or sources being controlled by the semiconductor device sensitive to radiation, e.g. image converters, image amplifiers or image storage devices
An optical sensor, comprising: a sensor array, comprising a bright region with at least one bright pixel and comprising a dark region with at least one dark pixel, wherein the dark pixel generates a sensing signal that is non-relevant to light emitted to the sensor array; a power noise detection circuit, configured to compute a power noise level of the sensing signal from the dark pixel; and a power noise compensation circuit, configured to control the optical sensor to perform a power noise compensation operation according to the power noise level. A related power noise reduction method is also disclosed. Based on the present invention, the power noise of the optical sensor can be reduced without increasing the power consumption, and the power noise for a low switch frequency can also be improved.
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
65.
Physiological detection device using different polarizers and light wavelengths
There is provided a physiological detection device including a light source, a light detector, a processing unit and a display device. The light source emits light to illuminate a skin surface. The light detector receives the light from the skin surface to output detected signals. The processing unit confirms an attached state according to the detected signals and controls the display device to show an indication signal or a warning message when the attached state is confirmed not good.
A61B 5/1455 - Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value using optical sensors, e.g. spectral photometrical oximeters
66.
PIXEL STRUCTURE WITH IMPROVED PHOTOELECTRIC CONVERSION EFFICIENCY IN OPTICALLY SENSITIVE MATERIAL
There is provided a pixel structure including a top electrode, multiple bottom electrodes, an optically sensitive material layer and a metal wire layer. The optically sensitive material layer is arranged between the top electrode and the multiple bottom electrodes. The bottom electrodes corresponding to different pixels are separated from one another and have a gap therebetween. The metal wire layer has a reflective metal layer arranged opposite to the gap. The reflective metal layer reflects residual stray light penetrating the optically sensitive material layer by the surface plasmon resonance effect.
There is provided a treadmill capable of performing the fall detection. The treadmill includes a light sensor and a processor. The light sensor acquires an image frame toward an operation space. The processor performs the occupancy detection on the image frame using face detection and human detection. Upon not detecting the operation space being occupied by any user during a running state of the treadmill, the processor deactivates the treadmill and raises a fall alarm.
A63B 24/00 - Electric or electronic controls for exercising apparatus of groups
A63B 22/02 - Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands
G06V 10/22 - Image preprocessing by selection of a specific region containing or referencing a patternLocating or processing of specific regions to guide the detection or recognition
G06V 40/16 - Human faces, e.g. facial parts, sketches or expressions
68.
Optical navigation method and optical navigation device
An optical navigation method, applied to an optical navigation device, comprising: (a) recording a first motion prediction of the optical navigation device; (b) determining if a surface which the optical navigation device is moving on is trackable; and (c) loading the first motion prediction recorded in the step (a) if the surface is non-trackable and then becomes trackable.
G06F 3/03 - Arrangements for converting the position or the displacement of a member into a coded form
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
An optical sensing system, comprising: a first light source, configured to emit first light to a first position; a second light source, configured to emit second light to a second position, wherein the first position is above the second position, wherein the first light is not emitted to the second position and the second light is not emitted to the first position; and an optical sensor, configured to sense optical data generated based on at least one of the first light source and the second light source; wherein a detecting region of the optical sensor comprises an upper half region and a lower half region, wherein a size of the upper half region is adjustable.
A force sensing method, applied to a force sensing system comprising a plurality of force sensors and a touch sensing surface, comprising: (a) determining a first location of a first object on the touch sensing surface; (b) defining a first force sensing region according to the first location; and (c) computing a first system sensing force which the first object causes to the touch sensing surface according to the first location, and according to at least one sensor sensing force of a first part of the force sensors corresponding to the first force sensing region. The present invention also discloses a force sensing system which uses the above-mentioned force sensing method, and an efficient force sensor calibration method. Noises can be reduced and power consumption can be decreased, since only sensor sensing forces of force sensors near the object are used for computing the system sensing force.
G01L 1/26 - Auxiliary measures taken, or devices used, in connection with the measurement of force, e.g. for preventing influence of transverse components of force, for preventing overload
G01L 25/00 - Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
71.
MOVEMENT DETECTION METHOD AND JOYSTICK DEVICE WHICH CAN SENSITIVELY DETECT ROTATION AND TRANSLATION
A movement detection method, applied to a navigation input device with a navigation pattern comprising a center pattern and a radial pattern. The movement detection method comprises: (a)capturing a sensing image comprising a center pattern image and at least portion of a radial pattern image by an image sensor, wherein the center pattern image corresponds to the center pattern and the radial pattern image corresponding to the radial pattern; (b)computing a translation of the navigation input device according to shift of the center pattern image; and (c)computing a rotation angle of the navigation input device according to a first pattern relation between the center pattern image and a first portion of the radial pattern image. The translation and the rotation angle can be precisely and sensitively detected even if the joystick device is miniaturized, since the translation and the rotation angle are computed according to the navigation pattern.
G06T 7/246 - Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
A63F 13/213 - Input arrangements for video game devices characterised by their sensors, purposes or types comprising photodetecting means, e.g. cameras, photodiodes or infrared cells
A63F 13/24 - Constructional details thereof, e.g. game controllers with detachable joystick handles
G06F 3/0338 - Pointing devices displaced or positioned by the userAccessories therefor with detection of limited linear or angular displacement of an operating part of the device from a neutral position, e.g. isotonic or isometric joysticks
72.
OPTICAL ENCODING SYSTEM WITH REDUCED TOTAL HARMONIC DISTORTION
There is provided an optical encoding system including a photodiode array and a code disk opposite to each other. The code disk is arranged with multiple code slits at a ring area corresponding to the photodiode array. A length direction of each photodiode of the photodiode array has at least one deviation angle with respect to a length direction of the multiple code slits to reduce the total harmonic distortion in photocurrents.
G01B 11/26 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes
G01D 5/26 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light
An optical sensor including a pixel matrix and an opaque layer is provided. The pixel matrix includes a plurality of unblocked pixels, a first pixel and a second pixel, which is arranged at a side of the first pixel in a row direction of the pixel matrix. The opaque layer covers upon a first region, which is a part of the first pixel, and upon a second region, which is a part of the second pixel, but does not cover upon the unblocked pixels, wherein the first region and the second region are symmetrically arranged in the row direction, and uncovered regions of the first pixel and the second pixel are arranged to be larger at a pixel edge than at a pixel center in a column direction of the pixel matrix.
There is provided a smart detection system including multiple sensors and a central server. The central server confirms a model of every sensor and a position thereof in an operation area. The central server confirms an event position and predicts a user action according to event signals sent by the multiple sensors.
G05D 1/00 - Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
G05D 1/224 - Output arrangements on the remote controller, e.g. displays, haptics or speakers
G05D 1/247 - Arrangements for determining position or orientation using signals provided by artificial sources external to the vehicle, e.g. navigation beacons
G05D 1/249 - Arrangements for determining position or orientation using signals provided by artificial sources external to the vehicle, e.g. navigation beacons from positioning sensors located off-board the vehicle, e.g. from cameras
G05D 1/646 - Following a predefined trajectory, e.g. a line marked on the floor or a flight path
A sensor packaging method and a sensor package are provided. The method includes: providing a substrate having upper and lower board surfaces, in which the upper board surface has a die-bonding region. The substrate includes a core material layer, an upper metal layer, and an upper protection layer, a first window is formed to penetrate the upper protection layer and located at a periphery of the die-bonding region, and the first window is opened for a first ground electrode connected to a first ground portion. The method further includes: performing a dispensing step to apply an adhesive material on the upper board surface in at least a portion of the die-bonding region; and attaching a sensor die to the substrate through the adhesive material, in which the sensor die is disposed in the die-bonding region and has a first ground pin electrically connected to the first ground electrode.
A game board device is provided for carrying and identifying game pieces that are divided into different piece types. The game board device includes a board, a plurality of optically identifying modules, and a processing module electrically coupled to the optically identifying modules. The optically identifying modules respectively correspond in position to detection regions of the board. Each of the optically identifying modules includes a light emitter that can emit light toward the corresponding detection region and a light receiver that can receive light reflected by the corresponding detection region. When any one of the detection regions is in an unoccupied mode, the corresponding optically identifying module can emit an unoccupied signal. When any one of the detection regions is in an occupied mode, the corresponding optically identifying module enables an identification signal that corresponds to the piece type of the corresponding game piece to be emitted therefrom.
A wearable device is illustrated. The wearable device has a body, at least one light emitting unit, at least one light sensing unit and an action recognition module. The wearable device is suitable for wearing on a wrist of a user. The light emitting unit is disposed on an inner side of the body, and the light emitting unit emits a light beam illuminating at least a portion of the wrist. The light sensing unit operatively senses the light beam reflected by the at least portion of the wrist and generates a light sensing signal. The action recognition module is configured to operatively determine a function that corresponds to an action of the user.
Image sensor mechanism for pre-processing analog pixel data of pixel array to reduce design complexity and save power consumption for digital processing circuit
A method of an image sensor device includes: providing a pixel array having a plurality of pixel units; using a pixel pre-processing circuit for receiving a plurality of analog pixel signals respectively from the plurality of pixel units to perform a low-pass filter operation upon the plurality of analog pixel signals in analog domain to generate a plurality of analog processed signals, a number of the plurality of analog processed signals being smaller than a number of the plurality of analog pixel signals; using an analog-to-digital converter for converting the plurality of analog processed signals in the analog domain into a plurality of digital processed signals in digital domain; and, transmitting the plurality of digital processed signals in digital domain into a digital processing circuit coupled to the analog-to-digital converter.
H04N 23/80 - Camera processing pipelinesComponents thereof
H04N 25/46 - Extracting pixel data from image sensors by controlling scanning circuits, e.g. by modifying the number of pixels sampled or to be sampled by combining or binning pixels
H04N 25/771 - Pixel circuitry, e.g. memories, A/D converters, pixel amplifiers, shared circuits or shared components comprising storage means other than floating diffusion
H04N 25/78 - Readout circuits for addressed sensors, e.g. output amplifiers or A/D converters
79.
Optical encoding system compensating assembly tolerance
There is provided an optical encoding system including a processor, and a photodiode array and a code disk opposite to each other. The photodiode array includes a detection photodiode group and a calibration photodiode group. If there is a position deviation between the photodiode array and the code disk, the processor determines whether to utilize detection signals of the calibration photodiode group according to phase shifts between detection signals outputted by the detection photodiode group so as to eliminate the phase shifts.
G01D 5/347 - Mechanical means for transferring the output of a sensing memberMeans for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for convertingTransducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
G01D 18/00 - Testing or calibrating apparatus or arrangements provided for in groups
80.
OPTICAL SENSOR ACQUIRING IMAGE FRAMES CORRESPONDING TO AMBIENT LIGHT FLICKERS
There is provided an optical sensor including a photodiode, a wave converter, a pixel array and a processor. The photodiode detects ambient light flicker to generate sine waves. The wave converter converts the sine waves to square waves. The processor uses a sampling frequency to count the square waves, and identifies whether the ambient light flicker is well detected according to a counting value of each square wave and a counting value variation of multiple square waves within a count period to accordingly determine whether to recognize a frequency of ambient light flicker and adjust an acquiring phase of the image frame.
An optical package includes: a Printed Circuit Board (PCB) including a plurality of cut-out sections; a lens, including a first plurality of protrusions corresponding respectively to the plurality of cut-out sections, wherein the first plurality of protrusions includes three protrusions being guide posts, a first protrusion of the first plurality of protrusions is formed on a first side of the lens, and a second protrusion of the first plurality of protrusions is formed on a second side of the lens opposite to the first side, and when the lens is placed under the PCB, the first plurality of protrusions will pass through the cut-out sections; and a sensor for attaching on to the lens and the PCB.
H05K 3/04 - Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed mechanically, e.g. by punching
82.
Finger detection device and operating method thereof
There is provided a finger detection device including a light source, a light sensor and a processor. The light sensor respectively captures a first image frame and a second image frame corresponding to turning on and turning off the light source. The processor calculates a differential image frame of the first image frame and the second image frame, determines a covered region in the differential image frame and identifies whether the covered region is a finger region or not. If the covered region is not the finger region, the processor controls the light sensor to acquire new image frames. If the covered region is the finger region, the processor determines different windows of interest in the finger region.
There is provided a global shutter sensor including a pixel array and a processor. The pixel array acquires first pixel data corresponding to a first exposure period and second pixel data corresponding to a second exposure period of different pixel regions using time division or spatial division, wherein the first exposure period is shorter than the second exposure period. The processor calculates a difference between (the second exposure period/the first exposure period)×the first pixel data and the second pixel data to obtain parasitic light sensitivity of the different pixel regions, and determines gains and/or exposure periods corresponding to the different pixel regions to compensate the parasitic light sensitivity.
A circuit carrier includes a substrate, a capacitive electrode layer, a plurality of metal pads and a plurality of bridges, and a plurality of conductive pillars. The capacitive electrode layer formed on a surface of the substrate and includes a plurality of first electrodes and a plurality of second electrodes. At least two of the first electrodes are connected to each other and be arranged across a die-bonding region of the substrate for separating at least two of the second electrodes that partially protrude from the die-bonding region to respectively form extensions. The metal pads and the bridges are formed on another surface of the substrate and are located outside of the die-bonding region. Each of the bridges connects two of the metal pads, and each of the conductive pillars is embedded in the substrate and connects one of the extensions and a corresponding one of metal pads.
A signal integration system, comprising: an optical finger navigation (OFN) device, configured to sense images of a finger to generate OFN sensing data; and a capacitive touch control circuit, configured to receive the OFN sensing data, configured to generate first control signals for a capacitive touch sensor, and configured to receive touch sensing data from the capacitive touch sensor; wherein the capacitive touch control circuit integrates the OFN sensing data and a touch sensing result corresponding to the touch sensing data to output integrated data.
PixArt Imaging Incorporation (Taiwan, Province of China)
Inventor
Tan, Kok-Siang
Abstract
A multi-output linear regulator includes: a main output stage circuit, configured to operably generate a reference output voltage according to a main control voltage; an error amplifier, configured to operably amplify a difference between a reference voltage and a feedback signal to generate the main control voltage, wherein the feedback signal is related to the reference output voltage; a first voltage converter, configured to operably level-shift the main control voltage with a first voltage shifting level to generate a first control voltage; a first output stage circuit, configured to operably generate a first output voltage according to the first control voltage; and a second output stage circuit, configured to operably generate a second output voltage according to the main control voltage.
G05F 1/563 - Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices including two stages of regulation, at least one of which is output level responsive, e.g. coarse and fine regulation
G05F 1/575 - Regulating voltage or current wherein the variable actually regulated by the final control device is DC using semiconductor devices in series with the load as final control devices characterised by the feedback circuit
87.
INTERACTIVE SYSTEM AND DEVICE WITH OPTICAL SENSING FUNCTION
Glasses with gesture recognition function include a glasses frame and a gesture recognition system. The gesture recognition system is disposed on the glasses frame and configured to detect hand gestures in front of the glasses thereby generating a control command. The gesture recognition system transmits the control command to an electronic device to correspondingly control the electronic device.
The present disclosure provides a wireless communication system including a first host computer, a communication dongle, a second host computer and an input device. The communication dongle is connected to the first host computer via a USB interface, connected to the second host computer via a Bluetooth interface, and connected to the input device via a wireless interface. The first host computer has first application software for intercepting the operating signal(s) of the input device and transferring, via the communication dongle, to the second host computer to be executed thereby. The first application software also controls the first host computer to ignore the operating signal(s) during the operating signal(s) is being transferred to the second host computer.
G06F 3/038 - Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
G06F 3/023 - Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
H04M 1/72409 - User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
An optical tracking device includes an optical detection module and a target component. The optical detection module includes an optical receiver. The target component includes a light penetrating body with at least one mark and movably disposed adjacent to the optical detection module. The target component allows an illumination beam penetrating into the light penetrating body, so that the optical detection module acquires a detection image containing a pattern of the mark for tracking a relative movement between the target component and the optical detection module.
There is provided an optical navigation module including an optical package and a light reflective element. The optical package includes an image sensor which has a sensor surface. The light reflective element is configured to reflect light propagating parallel to the sensor surface to light propagating perpendicular to the sensor surface to impinge on the sensor surface thereby performing the lateral detection.
H01L 25/16 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices the devices being of types provided for in two or more different subclasses of , , , , or , e.g. forming hybrid circuits
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
G06F 3/042 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
A smart wearable device has a signal calibration function executed by a signal calibration method and applied to a finger, a limb and/or a neck of a user. The smart wearable device includes at least one physiological signal detector, at least one pressure detector and an operation processor. The at least one physiological signal detector is adapted to abut against a detection area of the user for detecting a physiological signal. The at least one pressure detector is disposed around the at least one physiological signal detector and adapted to detect a pressure value of the detection area. The operation processor is electrically connected with the at least one physiological signal detector and the at least one pressure detector. The operation processor is adapted to optimize the physiological signal when the pressure value exceeds a predefined pressure threshold.
PixArt Imaging Incorporation (Taiwan, Province of China)
Inventor
Chen, Nientse
Abstract
A proximity sensor includes: a transmitter unit for transmitting a light signal; a receiver unit for receiving the light signal reflected by an object to determine a proximity status of the object; and a housing defining a first enclosed accommodation space for accommodating the receiver unit, wherein the portion of the housing which defines the first enclosed accommodation space has a sealed light passage made of a light-transmissible material such that the receiver unit is capable of receiving the light signal reflected by the object through the light passage. The housing can further include a second enclosed accommodation space for accommodating the transmitter unit.
An optical sensing system is provided. The optical sensing system includes a first light source, a second light source, a light sensor, and a processor. The processor is configured to: control the first light source to scan a horizontal detection area; control the light sensor to capture a first frame by receiving first reflective lights from the horizontal detection area; obtain a first reflection pattern, and analyze the first reflection pattern to determine whether an object is within the first portion; if so, control the second light source to scan a first vertical detection area; control the light sensor to capture a second frame from the first vertical detection area; process the second frame to obtain a second reflection pattern, and analyze the second reflection pattern to determine whether the object is detected by a misjudgment.
A smoke detector with an anti-insect function includes a substrate, an optical detection module, a top cover, a base and a perforated plate. The substrate has a ring shape region surrounding a central detection region, and a first block structure of the central detection region is protruded from the substrate and higher than an upper surface of the ring shape region. The optical detection module is disposed inside the central detection region. The top cover has a lateral wall. The base is disposed on the substrate and connected to the top cover to cover the optical detection module. The base has a second block structure partly overlapped with the lateral wall to form a guiding channel. The perforated plate is disposed between the lateral wall and the second block structure to prevent an insect from moving into the top cover through the guiding channel.
There is provided an illumination system of a navigation device including a light beam shaping optics, and a first light source and a second light source having different characteristics. The light beam shaping optics is used to shape light beams emitted by the first light source and the second light source to illuminate a work surface with substantially identical incident angles and/or beam sizes.
G02B 27/09 - Beam shaping, e.g. changing the cross-sectioned area, not otherwise provided for
G06F 3/03 - Arrangements for converting the position or the displacement of a member into a coded form
G06F 3/0354 - Pointing devices displaced or positioned by the userAccessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
There is provided an operation of a 2-wire interface including: performing, by a master device, at least one transaction with a slave device to compare a calculated expected value and a return value of a register to confirm whether an out-of-sync occurs, and resetting a state machine of the slave device to a reset_done state and receiving, by the maser device, an acknowledge byte from the slave device to recover a synchronization between the master device and the slave device when the out-of-sync occurs.
PixArt Imaging Incorporation (Taiwan, Province of China)
Inventor
Chen, Hui-Hsuan
Chen, Nien-Tse
Abstract
A proximity sensing device includes: a light source, a sensing unit, a light guide unit, and a window. The light source emits light, which is guided by the light guide unit to the window. The emitted light reflected by an object is received by the same window. The light guide unit includes a partial-transmissive-partial-reflective (PTPR) optical element, whereby the light emitted from the light source is reflected by the PTPR optical element, while the light reflected by the object passes through the PTPR optical element. There is only one window required.
A joystick includes a stick head, an actuating component, a substrate, a bearing base, a resilient recovering component, a first rotation component and a second rotation component. The actuating component has a first end and a second end opposite to each other. The first end is connected to the stick head, and an identification feature is disposed on the second end. The substrate has a detector used to detect the identification feature and determine motion of the stick head. The bearing base is disposed on the substrate. The resilient recovering component is disposed between the substrate and the bearing base. The first rotation component is movably disposed on the bearing base and rotatable in a first direction. The second rotation component is movably connected to the first rotation component and rotatable in a second direction different from the first direction, and connected to the actuating component in a rotatable manner.
G06F 3/04815 - Interaction with a metaphor-based environment or interaction object displayed as three-dimensional, e.g. changing the user viewpoint with respect to the environment or object
G06T 19/00 - Manipulating 3D models or images for computer graphics
99.
DEVICE ID SETTING METHOD AND ELECTRONIC DEVICE APPLYING THE DEVICE ID SETTING METHOD
An electronic device comprising: a clock pin; at least one data pin; a storage device, configured to store at least one program; a processing circuit, coupled to the data pin. A device ID setting method is performed when the processing circuit executes the program stored in the storage device. The device ID setting method comprises; (a) recording connections between pins of a first electronic device and pins of the electronic device by the electronic device, wherein the first electronic device comprises at least one data pin; and (b) applying the connections between the pins of the first electronic device and the pins of the electronic device as a device ID of the first electronic device by the electronic device.
There is provided an optical sensor that acquires a first image frame corresponding to a first flicker period and acquires a second image frame corresponding to a second flicker period. The optical sensor respectively adds pixel data of every two pixels in neighboring rows of the first image frame and the second image frame to generate a low-resolution image frame for the motion detection.
H04N 23/745 - Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination
H04N 23/73 - Circuitry for compensating brightness variation in the scene by influencing the exposure time
