Abstract

The present invention relates to an assembly for non-uniformity correction and a thermal imaging camera having same, the assembly comprising: a frame of a predetermined size, having, at the center thereof, an optical hole through which infrared light is incident; a rotating body installed on the frame to rotate in place and having driven gear teeth formed on the circumferential surface thereof; a plurality of filters, each of which is mounted in one of a plurality of holes arranged at regular intervals along the edge of the rotating body, is the same size as or smaller than the optical hole, and is mounted so as to transmit infrared light in a different wavelength range; a plurality of one-point correcting plates arranged between the filters at the same intervals, each of the correcting plates being positioned adjacent to the associated filter thereof in the clockwise or counterclockwise direction and blocking the wavelength range of the infrared light transmitted by the adjacent associated filter; and a power unit comprising a power source, which is operated by applying power to rotate the rotating body, and a driving gear, which is mounted to rotate in place by means of the power source and installed to be engaged with the driven gear teeth.

IPC Classes  ?

• G01J 5/0802 - Optical filters
• G01J 5/80 - Calibration
• G01J 5/48 - ThermographyTechniques using wholly visual means
• G01J 5/04 - Casings
• G01J 5/00 - Radiation pyrometry, e.g. infrared or optical thermometry

Abstract

A disturbance reduction assembly for an unmanned aerial vehicle according to the present invention comprises: a hollow-shaped upper plate which has a predetermined area and is provided with upper mounting units having a predetermined area and arranged at a predetermined angle in the boundary around the center; a hollow-shaped lower plate which has a predetermined area and is provided with lower mounting units having a predetermined area and arranged at a predetermined angle in the boundary around the center and with, on either of two opposite sides thereof, coupling members upwardly bent to have a drone coupled thereto; a central plate which has a predetermined area and is positioned in the central hole of the lower plate, and to which a gimbal is coupled; a plurality of fastening members arranged at regular intervals to fasten the central plate to the upper plate, each of the fastening members having one end thereof fixed to an edge of the central plate and the other end thereof fixed to the upper plate; and dampers coupled by connecting the upper mounting units and the lower mounting units, the assembly being capable of reducing the impact on an unmanned aerial vehicle before and after landing and minimizing shaking and vibration caused by external impact as well as rolling, yawing, and pitching during flight, thereby ensuring stable flight control and securing a flight position.

IPC Classes  ?

• B64U 20/87 - Mounting of imaging devices, e.g. mounting of gimbals
• G03B 17/56 - Accessories
• G03B 15/00 - Special procedures for taking photographsApparatus therefor
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• B64U 101/30 - UAVs specially adapted for particular uses or applications for imaging, photography or videography

Abstract

The present invention relates to a storage box having an automatic opening and closing door. The storage box having an automatic opening and closing door may comprise: a box body including a door having an extension protruding in a rearward direction at the bottom for opening and closing a portion of an internal space for storing items, a vertical slot formed in the extension, and a connecting portion protruding in a rearward direction from the bottom of the extension, and a stopper protruding at the top ; a power source built into the box body and installed so as to avoid interference with a door to be stored ; a first link in the form of a straight line having one end installed so as to pivotally rotate on the power source; a second link having a first straight part having one end part installed so as to pivotally rotate on the front end of the first link, and a first bending part bent from the first straight part; a third link having a second bending part having one side end portion installed so as to pivot on a front-end portion of the first bending part, a second straight part that is bent at a predetermined angle by the second bending part and has one side end portion installed so as to pivot on a front-end portion of a coupling part, and a rotary shaft that is provided at a contact point between the second straight part and the second bending part and is fixed to the box body; and a fourth link having one side end portion installed in the vicinity of the stopper so as to be pivotally rotated and having a locking protrusion mounted on the front-end portion so as to be slid along a slot.

IPC Classes  ?

• E05D 15/58 - Suspension arrangements for wings with successive different movements with both swinging and sliding movements
• E05F 15/603 - Power-operated mechanisms for wings using electrical actuators using rotary electromotors

Abstract

The present invention relates to an air spraying device for protecting a lens, comprising: a power unit including a power source and a driving gear rotated by means of the power source; a driving unit including a driven gear engaging with the driving gear, a driven shaft to which the driven gear is fixed to rotate in place, a cam fixed to the driven shaft, a cam-shaped rotary member fixed to the driven shaft so as to eccentrically rotate, and a connection link fixed to the front end portion of the rotary member so as to eccentrically rotate; an air supply unit including an opening/closing shaft that has one side on which a bearing in contact with the surface of the cam is mounted and another side on which an opening/closing member is mounted and that linearly reciprocates by means of the eccentric rotation of the cam, an elastic member provided at the opening/closing shaft, so that the bearing is continuously in contact with the cam, by providing elastic force to the cam, an air supply block including an intake port, which is opened/closed while the opening/closing member reciprocates, and an exhaust port through which the air that has flowed in from the intake port is discharged, and a cylinder, which has a piston built-into a body into which the air discharged from the exhaust port flows, has a rod mounted on the piston and having the front end portion connected to the connection link, and coverts the eccentric rotation of the connection link into linear reciprocating motion of the piston; and a nozzle unit including a guide pipe, the end of which at one side is connected to the cylinder such that compressed air ejected from the cylinder flows therein, and a spraying member, which is mounted on the other side-portion of the guide pipe so as to spray the compressed air at a lens.

IPC Classes  ?

• B08B 5/02 - Cleaning by the force of jets, e.g. blowing-out cavities
• G02B 27/00 - Optical systems or apparatus not provided for by any of the groups ,

Abstract

Disclosed is an image fusion device which fuses a visible light image and an infrared image. The disclosed image fusion device may comprise: a visible light image processor which processes a visible light image input from an external visible light image capturing device, wherein the visible light image processor has a first Gaussian filter for removing noise from the visible light image and extracts a noise-removed visible light image; an infrared image processor which processes an infrared image input from an external infrared image capturing device, wherein the infrared image processor has a second Gaussian filter for removing noise from the infrared image and extracts a noise-removed infrared image; and an image fusion unit which combines the extracted visible light image and infrared image to generate a fused image, wherein the image fusion unit extracts a noise-removed fused image by changing the synthesis ratio of the noise-removed visible light image and the noise-removed infrared image in response to changes in illuminance.

IPC Classes  ?

• G06T 5/50 - Image enhancement or restoration using two or more images, e.g. averaging or subtraction
• G06T 5/20 - Image enhancement or restoration using local operators
• G06T 5/00 - Image enhancement or restoration
• G06T 7/13 - Edge detection
• H04N 5/265 - Mixing
• H04N 23/10 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from different wavelengths
• H04N 23/20 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from infrared radiation only
• H04N 23/951 - Computational photography systems, e.g. light-field imaging systems by using two or more images to influence resolution, frame rate or aspect ratio

Abstract

Disclosed are a gimbal attitude control system and method for controlling the attitude of a gimbal provided between a drone and an imaging device to mount the imaging device to the drone. The disclosed gimbal attitude control system comprises: an inertial measurement sensor which is provided in a drone and measures the three-dimensional attitude of the drone; communication units which are provided in the drone and a gimbal respectively and provide inertial data measured by the inertial measurement sensor to the gimbal; and a control unit which is provided in the gimbal and performs attitude control of the gimbal on the basis of the inertial data provided through the communication units. In addition, the disclosed gimbal attitude control method comprises the steps of: measuring the three-dimensional attitude of a drone through an inertial measurement sensor provided in the drone; providing inertial data measured by the inertial measurement sensor to a gimbal through communication units provided in the drone and the gimbal respectively; and performing, by a control unit provided in the gimbal, attitude control of the gimbal on the basis of the inertial data provided through the communication units.

IPC Classes  ?

• B64U 20/87 - Mounting of imaging devices, e.g. mounting of gimbals
• B64D 47/08 - Arrangements of cameras
• B64D 45/00 - Aircraft indicators or protectors not otherwise provided for
• G03B 17/56 - Accessories
• G03B 15/00 - Special procedures for taking photographsApparatus therefor
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• B64U 101/30 - UAVs specially adapted for particular uses or applications for imaging, photography or videography

Abstract

Disclosed is a simulation test device of an electro-optical tracking system (EOTS) configured to have a characteristic robust against external disturbance. The disclosed EOTS simulation test device includes: a simulation drone device having the EOTS mounted thereon to implement a drone environment that replaces an actual drone; and a data analysis device for collecting and analyzing data from the simulation drone device during a simulation test. The simulation drone device may include: a housing; a jig movably installed on the housing and receiving the electro-optical tracking system mounted thereon; a wind speed sensor for measuring wind speed which causes external disturbance of the electro-optical tracking system; an inertia measurement sensor for detecting posture information of the electro-optical tracking system; and a transmission module for transmitting data collected from the wind speed sensor and the inertia measurement sensor to the data analysis device.

IPC Classes  ?

• F41G 3/32 - Devices for testing or checking
• F41G 5/26 - Apparatus for testing or checking
• F41G 3/26 - Teaching or practice apparatus for gun-aiming or gun-laying
• G01D 21/02 - Measuring two or more variables by means not covered by a single other subclass

Abstract

A target tracking system for a drone combat system is disclosed. The disclosed target tracking system for a drone combat system comprises: a target detection unit for detecting targets by capturing and collecting ground observation images; a target tracking unit for tracking a target selected from among the targets detected by means of the target detection unit; and a communication unit which is for allowing communication between a ground control center and the target detection unit and between the ground control center and the target tracking unit, and which transmits a target detection command from the ground control center to the target detection unit and transmits tracking results of the target tracking unit to the ground control center.

IPC Classes  ?

• B64U 20/87 - Mounting of imaging devices, e.g. mounting of gimbals
• B64D 47/08 - Arrangements of cameras
• B64C 39/02 - Aircraft not otherwise provided for characterised by special use
• G06T 7/73 - Determining position or orientation of objects or cameras using feature-based methods
• G06V 20/17 - Terrestrial scenes taken from planes or by drones
• G06V 10/74 - Image or video pattern matchingProximity measures in feature spaces
• G05D 1/20 - Control system inputs
• B64U 101/31 - UAVs specially adapted for particular uses or applications for imaging, photography or videography for surveillance

Abstract

Provided are a method and an apparatus for processing defective pixels in an infrared thermal detector. Reference temperature source thermal data is acquired for each pixel corresponding to detection elements forming the infrared thermal detector, additional temperature source thermal data is acquired for each pixel, and the reactivity of each pixel is calculated on the basis of the acquired reference temperature source thermal data and the acquired additional temperature source thermal data. In addition, defective pixels are extracted on the basis of the reactivity of each pixel.

IPC Classes  ?

• H04N 5/33 - Transforming infrared radiation
• G06T 7/11 - Region-based segmentation
• G06T 7/194 - SegmentationEdge detection involving foreground-background segmentation
• G01J 5/10 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors

Abstract

Disclosed is a power supply (40) and a night vision device using the power supply (40). The power supply (40) comprises a battery (41), a power switch (42), a booster (43) for boosting a battery voltage provided by the battery (41) to an established voltage according to an operation of the power switch (42) and outputting a boost voltage, and a voltage selector (44) for comparing the voltage provided by the battery with a reference voltage (VR), outputting the boost voltage when the battery voltage is below the reference voltage (VR), and outputting the battery voltage when the battery voltage is beyond the reference voltage (VR). The night vision device is operable by voltages supplied from the power supply (40). According to the invention, stable voltages are supplied and batteries (41) are effectively used by supplying constant voltages in the case of using batteries (41) with different voltages, and hence, usage time of the night vision device is increased.

IPC Classes  ?

• H01J 31/50 - Image-conversion or image-amplification tubes, i.e. having optical, X-ray, or analogous input, and optical output