FLIR Systems, Inc. Patent applications |
Patent application number | Title | Published |
20160047691 | WAFER LEVEL PACKAGING OF INFRARED CAMERA DETECTORS - An infrared detector useful in, e.g., infrared cameras, includes a substrate having an array of infrared detectors and a readout integrated circuit interconnected with the array disposed on an upper surface thereof, for one or more embodiments. A generally planar window is spaced above the array, the window being substantially transparent to infrared light. A mesa is bonded to the window. The mesa has closed marginal side walls disposed between an outer periphery of a lower surface of the window and an outer periphery of the upper surface of the substrate and defines a closed cavity between the window and the array that encloses the array. A solder seal bonds the mesa to the substrate so as to seal the cavity. | 02-18-2016 |
20150363646 | EMITTER TRACKING SYSTEM - An improved emitter tracking system. In aspects of the present teachings, the presence of a desired emitter may be established by a relatively low-power emitter detection module, before images of the emitter and/or its surroundings are captured with a relatively high-power imaging module. Capturing images of the emitter may be synchronized with flashes of the emitter, to increase the signal-to-noise ratio of the captured images. | 12-17-2015 |
20150358560 | COMPACT MULTI-SPECTRUM IMAGING WITH FUSION - Techniques using small form factor infrared imaging modules are disclosed. An imaging system may include visible spectrum imaging modules, infrared imaging modules, illumination modules, and other modules to interface with a user and/or a monitoring system. Visible spectrum imaging modules and infrared imaging modules may be positioned in proximity to a scene that will be monitored while visible spectrum-only images of the scene are either not available or less desirable than infrared images of the scene. Imaging modules may be configured to capture images of the scene at different times. Image analytics and processing may be used to generate combined images with infrared imaging features and increased detail and contrast. Selectable aspects of non-uniformity correction processing, true color processing, and high contrast processing, may be performed on the captured images. Control signals based on the combined images may be presented to a user and/or a monitoring system. | 12-10-2015 |
20150334315 | INFRARED IMAGING ENHANCEMENT WITH FUSION - Techniques using small form factor infrared imaging modules are disclosed. An imaging system may include visible spectrum imaging modules, infrared imaging modules, and other modules to interface with a user and/or a monitoring system. Visible spectrum imaging modules and infrared imaging modules may be positioned in proximity to a scene that will be monitored while visible spectrum-only images of the scene are either not available or less desirable than infrared images of the scene. Imaging modules may be configured to capture images of the scene at different times. Image analytics and processing may be used to generate combined images with infrared imaging features and increased detail and contrast. Triple fusion processing, including selectable aspects of non-uniformity correction processing, true color processing, and high contrast processing, may be performed on the captured images. Control signals based on the combined images may be presented to a user and/or a monitoring system. | 11-19-2015 |
20150332441 | SELECTIVE IMAGE CORRECTION FOR INFRARED IMAGING DEVICES - Techniques are disclosed for systems and methods using small form factor infrared imaging devices to image scenes in proximity to a vehicle. An imaging system may include one or more infrared imaging devices, a processor, a memory, a display, a communication module, and modules to interface with a user, sensors, and/or a vehicle. Infrared imaging devices may be positioned in proximity to, mounted on, installed in, or otherwise fixed relative to a vehicle. Infrared imaging devices may be configured to capture infrared images of scenes in proximity to a vehicle. Various infrared image analytics and processing may be performed on captured infrared images to correct and/or calibrate the infrared images. Monitoring information, notifications, and/or control signals may be generated based on the corrected infrared images and then presented to a user and/or a monitoring and notification system, and/or used to control aspects of the vehicle. | 11-19-2015 |
20150311246 | MICROBOLOMETER CONTACT SYSTEMS AND METHODS - Systems and methods are directed to contacts for an infrared detector. For example, an infrared imaging device includes a substrate having a first metal layer and an infrared detector array coupled to the substrate via a plurality of contacts. Each contact includes for an embodiment a second metal layer formed on the first metal layer; a third metal layer formed on the second metal layer, wherein the third metal layer at least partially fills an inner portion of the contact; and a first passivation layer formed on the third metal layer. | 10-29-2015 |
20150268328 | RADAR SYSTEM PROVIDING MULTIPLE WAVEFORMS FOR LONG RANGE AND SHORT RANGE TARGET DETECTION - Various techniques are disclosed for providing a radar system. In one example, such a radar system includes a radar unit adapted to broadcast radar signals and receive return signals in response thereto. The radar unit includes a waveform generator adapted to provide pulse waveforms of different pulse widths and Frequency Modulated Continuous Wave (FMCW) waveforms, wherein the waveforms are interleaved with each other to provide a transmission sequence for the radar signals for detection of long range and short range targets, a power amplifier adapted to amplify the radar signals for broadcast, and an antenna adapted to broadcast the radar signals and receive the return signals. Other examples of radar systems and related methods are also provided. | 09-24-2015 |
20150198295 | SCALABLE LASER WITH SELECTABLE DIVERGENCE - A laser illuminator/pointer can have an array of diode lasers for providing laser beams. A beam shaping optic can shape each of the laser beams. A movable, substantially transparent window can be in a path of the laser beams. A plurality of diffusers can be disposed on the window and can be positioned to vary a divergence of at least one of the laser beams when the window is moved. | 07-16-2015 |
20150146009 | ALIGNMENT OF VISIBLE LIGHT SOURCES BASED ON THERMAL IMAGES - Various techniques are disclosed for providing systems for providing alignment guide information to selectively direct a visible light source to substantially align the visible light source with a desired subject and to project a visible light beam substantially on the desired subject. For example, a system may include a small form factor infrared imaging module to capture thermal images of a scene, which may be received by a processor to generate alignment guide information such as a user-viewable image of the scene, a user-viewable cue, and a framing reticle. In another example, such a system may be implemented as a camera. In yet another example, such a system may be implemented as a spotlight. | 05-28-2015 |
20140313343 | MODULAR INFRARED CAMERA SYSTEMS AND METHODS - Modular infrared imaging systems and methods disclosed herein, in accordance with one or more embodiments, provide for capturing an infrared image, sensing a mode of operation, processing the captured infrared image according to the sensed mode of operation, generating a processed infrared image based on the sensed mode of operation, and displaying the processed infrared image. | 10-23-2014 |
20140286131 | WIDEBAND SONAR RECEIVER AND SONAR SIGNAL PROCESSING ALGORITHMS - A wideband sonar receiver is provided that includes: a selectable bandpass filter adapted to filter a received sonar signal to produce a filtered signal and a correlator adapted to correlate the baseband samples with baseband replica samples to provide a correlated signal. In addition, the wideband sonar receiver may include a shaping filter to shape unshaped received pulses. Finally, a variety of sonar processing algorithms are described with regard to reducing clutter and interference, target detection, and bottom detection. | 09-25-2014 |
20140269796 | MULTI-WAVELENGTH VCSEL ARRAY TO REDUCE SPECKLE - Embodiments of the invention describe an illuminator having a light source to originate an illumination beam, wherein the light source further comprises a set of vertical-cavity surface emitting lasers (VCSELs), including a first VCSEL having a first laser emission wavelength, and a second VCSEL having a second laser emission wavelength different than the first laser emission wavelength. Thus, by varying laser emission wavelengths of VCSELs in a VCSEL array, embodiments of the invention produce low-contrast speckle, and do not limit the imaging capabilities of the host illumination system. In some embodiments of the invention, vertical external cavity surface emitting lasers (VECSELs) are utilized to produce the above described varying laser emission wavelengths. | 09-18-2014 |
20140267766 | INFRARED CAMERA ARCHITECTURE SYSTEMS AND METHODS - An infrared camera architecture includes, for an embodiment, an infrared detector, a substrate, a plurality of electrical components coupled to the substrate, and a pedestal made of a thermally conductive material and having a leg coupled to the substrate. The infrared detector is supported by and thermally coupled to the pedestal, with the pedestal thermally isolating the infrared detector from the plurality of electrical components. | 09-18-2014 |
20140253735 | DEVICE ATTACHMENT WITH INFRARED IMAGING SENSOR - Various techniques are disclosed for providing a device attachment configured to releasably attach to and provide infrared imaging functionality to mobile phones or other portable electronic devices. For example, a device attachment may include a housing with a tub on a rear surface thereof shaped to at least partially receive a user device, an infrared sensor assembly disposed within the housing and configured to capture thermal infrared image data, and a processing module communicatively coupled to the infrared sensor assembly and configured to transmit the thermal infrared image data to the user device. Thermal infrared image data may be captured by the infrared sensor assembly and transmitted to the user device by the processing module in response to a request transmitted by an application program or other software/hardware routines running on the user device. | 09-11-2014 |
20140247365 | TECHNIQUES FOR SELECTIVE NOISE REDUCTION AND IMAGING SYSTEM CHARACTERIZATION - Various techniques are disclosed for reducing spatial and temporal noise in captured images. In one example, temporal noise may be filtered while still retaining temporal responsivity in filtered images to allow low contrast temporal events to be captured. Spatial and temporal noise filters may be selectively weighted to more strongly favor filtering using whichever one of the filters is least likely to cause a loss of signal fidelity in actual scene content. Other techniques are disclosed for determining various parameters of imaging systems having image lag. For example, a mean-variance characterization and a noise equivalent irradiance characterization may be performed to determine parameters of the imaging systems. Results of such characterizations may be used to determine the actual performance of the imaging systems without the effects of image lag. | 09-04-2014 |
20140240512 | TIME SPACED INFRARED IMAGE ENHANCEMENT - Techniques using small form factor infrared imaging modules are disclosed. An imaging system may include visible spectrum imaging modules, infrared imaging modules, and other modules to interface with a user and/or a monitoring system. Visible spectrum imaging modules and infrared imaging modules may be positioned in proximity to a scene that will be monitored while visible spectrum-only images of the scene are either not available or less desirable than infrared images of the scene. Imaging modules may be configured to capture images of the scene at different times. Image analytics and processing may be used to generate combined images with infrared imaging features and increased detail and contrast. Triple fusion processing, including selectable aspects of non-uniformity correction processing, true color processing, and high contrast processing, may be performed on the captured images. Control signals based on the combined images may be presented to a user and/or a monitoring system. | 08-28-2014 |
20140233355 | WIDEBAND SONAR WITH PULSE COMPRESSION - A sonar transmitter includes digital logic that controls switches coupled to a primary coil of a transformer. The switches are driven to produce at least one voltage pulse across a secondary coil for the transformer to produce a series of voltage pulses approximating the desired signal. The transformer may comprise: a secondary coil having a plurality of windings arranged into a first section, a middle section, and a final section; and a primary coil winding wound only with the secondary coil windings forming the middle section. | 08-21-2014 |
20140232875 | DETERMINATION OF AN ABSOLUTE RADIOMETRIC VALUE USING BLOCKED INFRARED SENSORS - Various techniques are provided for using one or more shielded (e.g., blinded, blocked, and/or obscured) infrared sensors of a thermal imaging device. In one example, a method includes capturing a signal from a shielded infrared sensor that is substantially blocked from receiving infrared radiation from a scene. The method also includes capturing a signal from an unshielded infrared sensor configured to receive the infrared radiation from the scene. The method also includes determining an average thermographic offset reference for the shielded and unshielded infrared sensors based on the captured signal of the shielded infrared sensor. The method also includes determining an absolute radiometric value for the scene based on the average thermographic offset reference and the captured signal of the unshielded infrared sensor. | 08-21-2014 |
20140219308 | DEVICES AND METHODS FOR DETERMINING VACUUM PRESSURE LEVELS - A device is disclosed including a substrate; an infrared detector coupled to and thermally isolated from the substrate; and a heat shield coupled to the substrate by a plurality of contacts, the heat shield disposed above the infrared detector to block external thermal radiation from being received by the infrared detector. The heat shield is configured to receive a current through the contacts to heat the heat shield to a first temperature, and the infrared detector is configured to detect the first temperature and provide an output signal that is related to a vacuum pressure within the device. Methods for using and forming the device are also disclosed. | 08-07-2014 |
20140218520 | SMART SURVEILLANCE CAMERA SYSTEMS AND METHODS - Various techniques are disclosed for smart surveillance camera systems and methods using thermal imaging to intelligently control illumination and monitoring of a surveillance scene. For example, a smart camera system may include a thermal imager, an IR illuminator, a visible light illuminator, a visible/near IR (NIR) light camera, and a processor. The camera system may capture thermal images of the scene using the thermal imager, and analyze the thermal images to detect a presence and an attribute of an object in the scene. In response to the detection, various light sources may be selectively operated to illuminate the object only when needed or desired, with a suitable type of light source, with a suitable beam angle and width, or in otherwise desirable manner. The visible/NIR light camera may also be selectively operated based on the detection to capture or record surveillance images containing objects of interest. | 08-07-2014 |
20140186999 | WAFER LEVEL PACKAGING OF MICROBOLOMETER VACUUM PACKAGE ASSEMBLIES - An apparatus for the wafer level packaging (WLP) of micro-bolometer vacuum package assemblies (VPAs), in one embodiment, includes a wafer alignment and bonding chamber, a bolometer wafer chuck and a lid wafer chuck disposed within the chamber in vertically facing opposition to each other, means for creating a first ultra-high vacuum (UHV) environment within the chamber, means for heating and cooling the bolometer wafer chuck and the lid wafer chuck independently of each other, means for moving the lid wafer chuck in the vertical direction and relative to the bolometer wafer chuck, means for moving the bolometer wafer chuck translationally in two orthogonal directions in a horizontal plane and rotationally about a vertical axis normal to the horizontal plane, and means for aligning a fiducial on a bolometer wafer held by the bolometer wafer chuck with a fiducial on a lid wafer held by the lid wafer chuck. | 07-03-2014 |
20140184807 | SEGMENTED FOCAL PLANE ARRAY ARCHITECTURE - Various techniques are provided for implementing a segmented focal plane array (FPA) of infrared sensors. In one example, a system includes a segmented FPA. The segmented FPA includes a top die having an array of infrared sensors (e.g., bolometers). The top die may also include a portion of a read-out integrated circuit (ROIC). The segmented FPA also includes a bottom die having at least a portion of the ROIC. The top and the bottom dies are electrically coupled via inter-die connections. Advantageously, the segmented FPA may be fabricated with a higher yield and a smaller footprint compared with conventional FPA architectures. Moreover, the segmented FPA may be fabricated using different semiconductor processes for each die. | 07-03-2014 |
20140168445 | SYSTEMS AND METHODS OF SUPPRESSING SKY REGIONS IN IMAGES - Various techniques are provided for systems and methods to process images to reduce consumption of an available output dynamic range by the sky in images. For example, according to one or more embodiments of the disclosure, a region or area in images that may correspond to the sky may be identified based on the location of the horizon in the images. A distribution of irradiance levels in the identified sky region may be analyzed to determine a dynamic range attributable to the sky region. A transfer function that compresses the dynamic range attributable to the sky region may be generated and applied so that the sky in the images may be suppressed, thereby advantageously preserving more dynamic range for terrestrial objects and other objects of interest in the images. | 06-19-2014 |
20140168439 | INFRARED CAMERA SYSTEMS AND METHODS FOR MARITIME APPLICATIONS - Systems and methods disclosed herein provide for some embodiments infrared camera systems for maritime applications. For example in one embodiment, a watercraft includes a plurality of image capture components coupled to the watercraft to capture infrared images around at least a substantial portion of a perimeter of the watercraft; a memory component adapted to store the captured infrared images; a processing component adapted to process the captured infrared images according to a man overboard mode of operation to provide processed infrared images and determine if a person falls from the watercraft; and a display component adapted to display the processed infrared images. | 06-19-2014 |
20140168433 | SYSTEMS AND METHODS FOR MONITORING POWER SYSTEMS - Techniques are disclosed for systems and methods using small form factor infrared imaging modules to monitor aspects of a power system. A system may include one or more infrared imaging modules, a processor, a memory, a display, a communication module, and modules to control components of a power system. Infrared imaging modules may be mounted on, installed in, or otherwise integrated with a power system having one or more power system components. The infrared imaging modules may be configured to capture thermal images of portions of the power system. Various thermal image analytics and profiling may be performed on the captured thermal images to determine the operating conditions and temperatures of portions of the power system. Monitoring information may be generated based on the determined conditions and temperatures and then presented to a user of the power system. | 06-19-2014 |
20140160278 | THERMOGRAPHY CAMERA TUNED TO DETECT ABSORPTION OF INFRARED RADIATION IN A SELECTED SPECTRAL BANDWIDTH - An infrared camera system is provided to detect absorption of infrared radiation in a selected spectral bandwidth. In one example, an infrared camera system includes a lens adapted to receive infrared radiation from a survey scene comprising one or more gasses. The infrared camera system also includes a focal plane array comprising a plurality of quantum well infrared photo detectors (QWIPs). The QWIPs are tuned to detect a limited spectral bandwidth of the infrared radiation corresponding to at least a portion of an infrared absorption band of the one or more gasses. The infrared camera system also includes an optical band pass filter positioned substantially between the lens and the focal plane array. The optical band pass filter is adapted to filter the infrared radiation to a wavelength range substantially corresponding to the limited spectral bandwidth of the QWIPs before the infrared radiation is received by the focal plane array. | 06-12-2014 |
20140139685 | LOW POWER AND SMALL FORM FACTOR INFRARED IMAGING - Various techniques are provided for implementing an infrared imaging system. In one example, a system includes a focal plane array (FPA). The FPA includes an array of infrared sensors adapted to image a scene. The FPA also includes a bias circuit adapted to provide a bias voltage to the infrared sensors. The bias voltage is selected from a range of approximately 0.2 volts to approximately 0.7 volts. The FPA also includes a read out integrated circuit (ROIC) adapted to provide signals from the infrared sensors corresponding to captured image frames. Other implementations are also provided. | 05-22-2014 |
20140139643 | IMAGER WITH ARRAY OF MULTIPLE INFRARED IMAGING MODULES - An imager array may be provided as part of an imaging system. The imager array may include a plurality of infrared imaging modules. Each infrared imaging module may include a plurality of infrared sensors associated with an optical element. The infrared imaging modules may be oriented, for example, substantially in a plane facing the same direction and configured to detect images from the same scene. Such images may be processed in accordance with various techniques to provide images of infrared radiation. The infrared imaging modules may include filters or lens coatings to selectively detect desired ranges of infrared radiation. Such arrangements of infrared imaging modules in an imager array may be used to advantageous effect in a variety of different applications. | 05-22-2014 |
20140112619 | OPTICAL ELEMENT AND SYSTEM USING THE SAME - A method for transmitting a signal in an optical system includes generating an optical signal along an optical axis for transmission through an optical element, positioning the optical element so that a surface discontinuity is positioned along the optical axis such that the optical signal defines a substantially radially symmetric intensity profile, and launching the optical signal into an input face of an optical fiber such that the intensity profile is substantially null proximate an optical axis associated with the optical fiber. | 04-24-2014 |
20140112537 | SYSTEMS AND METHODS FOR INTELLIGENT MONITORING OF THOROUGHFARES USING THERMAL IMAGING - Various techniques are disclosed for systems and methods using thermal imaging to intelligently monitor thoroughfares. For example, an intelligent monitoring system may include an infrared imaging module, a processor, a communication module, a memory, and an adjustable component. The system may be mounted, installed, or otherwise disposed at various locations along thoroughfares, and capture thermal images of a scene that includes at least a portion of the thoroughfares. Various thermal image processing and analysis operations may be performed on the thermal images to generate comprehensive monitoring information including an indication of detected objects in the scene and at least one attribute associated with the objects. Various actions may be taken, such as generating various alarms and intelligently adjusting operation of various adjustable devices on thoroughfares, based on the monitoring information. The monitoring information may be shared among multiple instances of the system, and may be communicated to external devices. | 04-24-2014 |
20140110483 | Ballistic Sight System - A system can include a camera configured to mount to a firearm and a scope configured to mount to the firearm. A display can be configured to show an image from the camera. The scope can be configured to view the display. The image from the camera can be electronically movable relative to scope and camera to facilitate compensation for bullet drop and windage. Moving the image can allow use of higher scope magnification and/or electronic camera zoom. | 04-24-2014 |
20140108850 | ABNORMAL CLOCK RATE DETECTION IN IMAGING SENSOR ARRAYS - Various techniques are provided to detect abnormal clock rates in devices such as imaging sensor devices (e.g., infrared and/or visible light imaging devices). In one example, a device may include a clock rate detection circuit that may be readily integrated as part of the device to provide effective detection of an abnormal clock rate. The device may include a ramp generator, a counter, and/or other components which may already be implemented as part of the device. The ramp generator may generate a ramp signal independent of a clock signal provided to the device, while the counter may increment or decrement a count value in response to the clock signal. The device may include a comparator adapted to select the current count value of the counter when the ramp signal reaches a reference signal. A processor of the device may be adapted to determine whether the clock signal is operating in an acceptable frequency range, based on the selected count value. | 04-17-2014 |
20140104415 | MEASUREMENT DEVICE FOR ELECTRICAL INSTALLATIONS AND RELATED METHODS - Techniques are disclosed for measurement devices and methods to obtain various physical and/or electrical parameters in an integrated manner. For example, a measurement device may include a housing, an optical emitter, a sensor, a distance measurement circuit, a length measurement circuit, an electrical meter circuit, a display, an infrared imaging module, and/or a non-thermal imaging module. The device may be conveniently carried and utilized by users to perform a series of distance measurements, wire length measurements, electrical parameter measurements, and/or fault inspections, in an integrated manner without using multiple different devices. In one example, electricians may utilize the device to perform installation of electrical wires and/or other tasks at various locations (e.g., electrical work sites). In another example, electricians may utilize the device to view a thermal image of one or more scenes at such locations for locating potential electrical faults. | 04-17-2014 |
20140098238 | INFRARED CAMERA SYSTEM ARCHITECTURES - Various techniques are disclosed for providing an infrared imaging module that exhibits a small form factor and may be used with one or more portable devices. Such an infrared imaging module may be implemented with a housing that includes electrical connections that may be used to electrically connect various components of the infrared imaging module. In addition, various techniques are disclosed for providing system architectures for processing modules of infrared imaging modules. In one example, a processing module of an infrared imaging module includes a first interface adapted to receive captured infrared images from an infrared image sensor of the infrared imaging module. The processing module may also include a processor adapted to perform digital infrared image processing on the captured infrared images to provide processed infrared images. The processing module may also include a second interface adapted to pass the processed infrared images to a host device. | 04-10-2014 |
20140098237 | FLEXIBLE MEMORY SYSTEMS AND METHODS - Techniques are provided to implement line based processing of thermal images and a flexible memory system. In one example, individual lines of a thermal image frame may be provided to an image processing pipeline. Image processing operations may be performed on the individual lines in stages of the image processing pipeline. A memory system may be used to buffer the individual lines in the pipeline stages. In another example, a memory system may be used to send and receive data between various components without relying on a single shared bus. Data transfers may be performed between different components and different memories of the memory system using a switch fabric to route data over different buses. In another example, a memory system may support data transfers using different clocks of various components, without requiring the components and the memory system to all be synchronized to the same clock source. | 04-10-2014 |
20140093133 | SYSTEMS AND METHODS FOR MONITORING VEHICLE OCCUPANTS - Various techniques are disclosed for systems and methods using small form factor infrared imaging modules to monitor occupants in an interior compartment of a vehicle. For example, a vehicle-mounted system may include one or more infrared imaging modules, a processor, a memory, alarm sirens, and a communication module. The vehicle-mounted system may be mounted on, installed in, or otherwise integrated into a vehicle that has an interior compartment. The infrared imaging modules may be configured to capture thermal images of desired portions of the interior compartments. Various thermal image processing and analytics may be performed on the captured thermal images to determine the presence and various attributes of one or more occupants. Based on the determination of the presence and various attributes, occupant detection information and/or control signals may be generated. Occupant detection information may be used to perform various monitoring operations, and control signals may adjust various vehicle components. | 04-03-2014 |
20140092258 | LINE BASED IMAGE PROCESSING AND FLEXIBLE MEMORY SYSTEM - Techniques are provided to implement line based processing of thermal images and a flexible memory system. In one example, individual lines of a thermal image frame may be provided to an image processing pipeline. Image processing operations may be performed on the individual lines in stages of the image processing pipeline. A memory system may be used to buffer the individual lines in the pipeline stages. In another example, a memory system may be used to send and receive data between various components without relying on a single shared bus. Data transfers may be performed between different components and different memories of the memory system using a switch fabric to route data over different buses. In another example, a memory system may support data transfers using different clocks of various components, without requiring the components and the memory system to all be synchronized to the same clock source. | 04-03-2014 |
20140092257 | NON-UNIFORMITY CORRECTION TECHNIQUES FOR INFRARED IMAGING DEVICES - Various techniques are disclosed for performing non-uniformity correction (NUC) for infrared imaging devices. Intentionally blurred image frames may be obtained and processed to correct for FPN (e.g., random spatially uncorrelated FPN in one embodiment) associated with infrared sensors of the infrared imaging device. Intentionally blurred image frames may be used to distinguish between FPN associated with the infrared sensors and desired scene information. Advantageously, such techniques may be implemented without requiring the use of a shutter to perform flat field correction for the infrared imaging device. | 04-03-2014 |
20140092256 | INFRARED IMAGER WITH INTEGRATED METAL LAYERS - Various techniques are provided for implementing, operating, and manufacturing infrared imaging devices using integrated circuits. In one example, a system includes a focal plane array (FPA) integrated circuit comprising an array of infrared sensors adapted to image a scene, a plurality of active circuit components, a first metal layer disposed above and connected to the circuit components, a second metal layer disposed above the first metal layer and connected to the first metal layer, and a third metal layer disposed above the second metal layer and below the infrared sensors. The third metal layer is connected to the second metal layer and the infrared sensors. The first, second, and third metal layers are the only metal layers of the FPA between the infrared sensors and the circuit components. The first, second, and third metal layers are adapted to route signals between the circuit components and the infrared sensors. | 04-03-2014 |
20140085482 | HYBRID INFRARED SENSOR ARRAY HAVING HETEROGENEOUS INFRARED SENSORS - Various techniques are provided for an infrared sensor assembly having a hybrid infrared sensor array. In one example, such a hybrid infrared sensor array may include a plurality of microbolometers and a non-bolometric infrared sensor. The non-bolometric infrared sensor may be a thermopile or other type of infrared sensor different from a bolometer-based sensor. The non-bolometric infrared sensor may be utilized to provide a more accurate and stable temperature reading of an object or area of a scene captured by the array. In some embodiments, the non-bolometric infrared sensor may also be utilized to perform a shutter-less radiometric calibration of the microbolometers of the array. An infrared sensor assembly may include, for example, the hybrid infrared sensor array, as well as a substrate including bond pads and/or appropriate circuits to obtain and/or transmit output signals from the non-bolometric infrared sensor. | 03-27-2014 |
20140065720 | OPTICAL EMISSION COLLECTION AND DETECTION DEVICE AND METHOD - This invention generally relates to optical devices that can collect and detect signal emissions effectively while allowing the excitation light path and the sample flow path to coexist non-obstructively in a compact format. More specifically, this invention relates to a compact device having a multilayer coating on the structure surface and a wave guiding structure. In the device, using the surface plasmon coupling effect, the majority of the optical emission from the emitter on top of the multilayer coating is distributed toward the wave guiding structure. The wave guiding structure then further directs on signal to the detector with a high efficiency. | 03-06-2014 |
20140037225 | ROW AND COLUMN NOISE REDUCTION IN THERMAL IMAGES - Methods and systems are provided to reduce noise in thermal images. In one example, a method includes receiving an image frame comprising a plurality of pixels arranged in a plurality of rows and columns. The pixels comprise thermal image data associated with a scene and noise introduced by an infrared imaging device. The image frame may be processed to determine a plurality of column correction terms, each associated with a corresponding one of the columns and determined based on relative relationships between the pixels of the corresponding column and the pixels of a neighborhood of columns. In another example, the image frame may be processed to determine a plurality of non-uniformity correction terms, each associated with a corresponding one of the pixels and determined based on relative relationships between the corresponding one of the pixels and associated neighborhood pixels within a selected distance. | 02-06-2014 |
20140017803 | DETECTION OF ANALYTES INCLUDING DRUGS - Embodiments described herein provide materials, devices, and methods relating to the determination of analytes such as drugs, toxins, explosives, other controlled substances and contraband materials, and the like. In some embodiments, the analyte may be detected in vapor phase. Some embodiments may allow for highly sensitive and essentially instantaneous detection of analytes including drugs. | 01-16-2014 |
20140016879 | PIXEL-WISE NOISE REDUCTION IN THERMAL IMAGES - Methods and systems are provided to reduce noise in thermal images. In one example, a method includes receiving an image frame comprising a plurality of pixels arranged in a plurality of rows and columns. The pixels comprise thermal image data associated with a scene and noise introduced by an infrared imaging device. The image frame may be processed to determine a plurality of column correction terms, each associated with a corresponding one of the columns and determined based on relative relationships between the pixels of the corresponding column and the pixels of a neighborhood of columns. In another example, the image frame may be processed to determine a plurality of non-uniformity correction terms, each associated with a corresponding one of the pixels and determined based on relative relationships between the corresponding one of the pixels and associated neighborhood pixels within a selected distance. | 01-16-2014 |
20140010254 | HIGH FILL-FACTOR EFFICIENT VERTICAL-CAVITY SURFACE EMITTING LASER ARRAYS - An array of vertical-cavity surface emitting lasers (VCSELs) may be fabricated with very high fill-factors, thereby enabling very high output power densities during pulse, quasi-continuous wave (QCW), and continuous wave (CW) operation. This high fill-factor is achieved using asymmetrical pillars in a rectangular packing scheme as opposed prior art pillar shapes and packing schemes. The use of asymmetrical pillars maintains high efficiency operation of VCSELs by maintaining minimal current injection distance from the metal contacts to the laser active region and by maintaining efficient waste heat extraction from the VCSEL. This packing scheme for very high fill-factor VCSEL arrays is directly applicable for next generation high-power, substrate removed, VCSEL arrays. | 01-09-2014 |
20130342691 | INFANT MONITORING SYSTEMS AND METHODS USING THERMAL IMAGING - Various techniques are disclosed for systems and methods using thermal imaging to monitor an infant or other persons that may need observation. For example, an infant monitoring system may include an infrared imaging module, a visible light camera, a processor, a display, a communication module, and a memory. The monitoring system may capture thermal images of a scene including at least a partial view of an infant, using the infrared imaging module enclosed in a portable or mountable housing configured to be positioned for remote monitoring of the infant. Various thermal image processing and analysis operations may be performed on the thermal images to generate monitoring information relating to the infant. The monitoring information may include various alarms that actively provide warnings to caregivers, and user-viewable images of the scene. The monitoring information may be presented at external devices or the display located remotely for convenient viewing by caregivers. | 12-26-2013 |
20130337460 | Methods and Compositions for Segregating Target Nucleic Acid from Mixed Nucleic Acid Samples - The invention provides methods, compositions and kits for segregating a target nucleic acid from a mixed nucleic acid sample. The methods, compositions and kits comprise a non-processive endonuclease (e.g., a restriction enzyme) or an antibody that binds the target nucleic acid (e.g., has methylation specificity). The mixed nucleic acid sample can comprise prokaryotic and eukaryotic nucleic acid and/or nucleic acid from more than one prokaryotic or eukaryotic organisms. | 12-19-2013 |
20130335550 | INFRARED SENSOR SYSTEMS AND METHODS - Infrared imaging systems and methods disclosed herein, in accordance with one or more embodiments, provide for a wireless thermal imaging system comprising one or more wireless thermal image sensors adapted to capture and provide thermal images of structural objects of a structure for monitoring moisture of the structural objects and a processing component adapted to receive the thermal images of the structural objects from the one or more wireless thermal image sensors, and process the thermal images of the structural objects to generate moisture content information for remote analysis of restoration conditions of the structural objects. | 12-19-2013 |
20130329054 | INFRARED CAMERA SYSTEM HOUSING WITH METALIZED SURFACE - A housing for an infrared camera module may be implemented with a substantially non-metal cover configured to substantially or completely enclose various components of an infrared imaging device. A metal layer may be disposed on various interior and/or exterior surfaces of the cover. Such implementations may be used to reduce the effects of various environmental conditions which may otherwise adversely affect the performance of the infrared imaging device. In addition, one or more conductive traces may be built into the housing and/or on interior surfaces of the housing to facilitate the passing of signals from components of the infrared imaging device such as infrared sensors, read out circuitry, a temperature measurement component, and/or other components. One or more fiducial markers may be provided to align various components of the infrared camera module during manufacture. | 12-12-2013 |
20130321637 | MONITOR AND CONTROL SYSTEMS AND METHODS FOR OCCUPANT SAFETY AND ENERGY EFFICIENCY OF STRUCTURES - Various systems and methods are disclosed for monitoring and controlling using small infrared imaging modules to enhance occupant safety and energy efficiency of buildings and structures. In one example, thermal images captured by infrared imaging modules may be analyzed to detect presence of persons, identify and classify power-consuming objects, and monitor environmental conditions. Based on the processed thermal images, various power-consuming objects (e.g., an HVAC system, lighting, a water heater, and other appliances) may be controlled to increase energy efficiency. In another example, thermal images captured by infrared imaging modules may be analyzed to detect various hazardous conditions, such as a combustible gas leak, a CO gas leak, a water leak, fire, smoke, and, an electrical hotspot. If such hazardous conditions are detected, an appropriate warning may be generated and/or various objects may be controlled to remedy the conditions. | 12-05-2013 |
20130314536 | SYSTEMS AND METHODS FOR MONITORING VEHICLE OCCUPANTS - Various techniques are disclosed for systems and methods using small form factor infrared imaging modules to monitor occupants in an interior compartment of a vehicle. For example, a vehicle-mounted system may include one or more infrared imaging modules, a processor, a memory, alarm sirens, and a communication module. The vehicle-mounted system may be mounted on, installed in, or otherwise integrated into a vehicle that has an interior compartment. The infrared imaging modules may be configured to capture thermal images of desired portions of the interior compartments. Various thermal image processing and analytics may be performed on the captured thermal images to determine the presence and various attributes of one or more occupants. Based on the determination of the presence and various attributes, occupant detection information and/or control signals may be generated. Occupant detection information may be used to perform various monitoring operations, and control signals may adjust various vehicle components. | 11-28-2013 |
20130300870 | METHOD FOR MONITORING A TRAFFIC STREAM AND A TRAFFIC MONITORING DEVICE - A traffic monitoring device may comprise a radar and a camera, said radar having a radar field of view extending around a radar central axis and said camera having a camera field of view extending around a camera central axis in such a manner that said radar field of view is situated within said camera field of view. The radar and the camera may be positioned so that their central axis of their field of view make a predetermined angle with respect to each other, said radar being provided for determining coordinates of moving objects. The device may comprise selecting means for selecting within said image an image section or portion representing at least part of said radar field of view and may also comprise transformation means for transforming said coordinates of said moving object within said image portion into further coordinates relative to an image reference frame for display. | 11-14-2013 |
20130270441 | VARIABLE LENS SLEEVE SPACER - Various techniques are disclosed for providing systems and methods for orienting one or more lenses or other optical elements in a lens sleeve. For example, a system may include a lens sleeve defining an interior lens cavity. A plurality of lens positioning features extend from the lens sleeve adjacent the interior lens cavity. A first lens is secured in the lens cavity at a first position relative to the lens sleeve. A first set of the lens positioning features are located at a second position relative to the lens sleeve, and a second set of the lens positioning features are located at a third position relative to the lens sleeve. A second lens engages either the first set or the second set of the plurality of lens positioning features depending on a desired distance between the first lens and the second lens. | 10-17-2013 |
20130250125 | THERMAL IMAGE FRAME CAPTURE USING DE-ALIGNED SENSOR ARRAY - Various techniques are provided to capture one or more thermal image frames using an infrared sensor array that is fixably positioned to substantially de-align rows and columns of infrared sensors. In one example, an infrared imaging system includes an infrared sensor array comprising a plurality of infrared sensors arranged in rows and columns and adapted to capture a thermal image frame of a scene exhibiting at least one substantially horizontal or substantially vertical feature. The infrared imaging system also includes a housing. The infrared sensor array is fixably positioned within the housing to substantially de-align the rows and columns from the feature while the thermal image frame is captured. | 09-26-2013 |
20130250102 | ELECTRICAL CABINET INFRARED MONITOR - Various techniques are provided to monitor electrical equipment. In some implementations, a monitoring system for a cabinet may include an infrared camera configured to capture thermal images of at least a portion of electrical equipment positioned in an interior cavity of the cabinet. In some implementations, the monitoring system also includes a communication interface configured to transmit the thermal images from the infrared camera for external viewing by a user. In some implementations, the thermal images may be provided through various wired and wireless communication techniques. In some implementations, the infrared camera may receive electrical power through a physical coupling to an electrical connector within the cabinet and/or through electromagnetic energy harvesting techniques. Other implementations are also provided. | 09-26-2013 |
20130242110 | WEARABLE APPARATUS WITH INTEGRATED INFRARED IMAGING MODULE - Various techniques are disclosed for providing a wearable apparatus having an integrated infrared imaging module. In one example, a wearable apparatus implemented as a self-contained breathing apparatus (SCBA) may include a shield to protect a user from an external environment, one or more infrared imaging modules, a projector, a processor, and a communication module for projecting a user-viewable thermal image onto a surface of the shield. Such infrared imaging modules may be positioned internal to the SCBA for protection from a hazardous external environment. In another example, a wearable apparatus implemented as a welding mask may include one or more infrared imaging modules, a projector, a processor, and a communication module, so as to project a user-viewable thermal image onto a surface of a shield of the welding mask, while at the same time protecting these components and the welder's face from a harsh welding environment. | 09-19-2013 |
20130189797 | OPTICAL BIOSENSOR REFERENCING METHOD - A referencing method for an optical biosensor system using a single sensing region is provided. The method involves limiting the ligand immobilized in a single sensing region to only a portion thereof. In one embodiment, this is accomplished by selectively deactivating a portion of the sensing surface to prevent immobilization of ligand to that portion. As a result, a reference response can be recorded in the same sensing region as a molecular interaction response. Thus, the bulk refractive index can be accurately accounted for in measuring the kinetics of a molecular interaction. | 07-25-2013 |
20130169468 | RADAR SYSTEM AND RELATED METHODS - Various techniques are disclosed for providing a radar system. In one example, such a radar system includes a radar unit adapted to broadcast radar signals and receive return signals in response thereto. The radar unit includes a waveform generator adapted to provide the radar signals, a power amplifier adapted to amplify the radar signals for broadcast, an antenna adapted to broadcast the radar signals and receive the return signals, a signal directing device adapted to selectively direct the radar signals to the antenna and the return signals from the antenna, and a transmission interface adapted to transmit radar data based on the return signals from the radar unit to a base station. Other examples of radar systems and related methods are also provided. | 07-04-2013 |
20130147964 | INFRARED CAMERA SYSTEMS AND METHODS FOR MARITIME APPLICATIONS - Systems and methods disclosed herein provide for some embodiments infrared camera systems for maritime applications. For example in one embodiment, a watercraft includes a plurality of image capture components coupled to the watercraft to capture infrared images around at least a substantial portion of a perimeter of the watercraft; a memory component adapted to store the captured infrared images; a processing component adapted to process the captured infrared images according to a man overboard mode of operation to provide processed infrared images and determine if a person falls from the watercraft; and a display component adapted to display the processed infrared images. | 06-13-2013 |
20130147951 | INFRARED CAMERA DETECTION SYSTEMS AND METHODS - Infrared imaging systems and methods disclosed herein, in accordance with one or more embodiments, provide for detecting petroleum in an infrared image. The detection involves the evaluation of local background model likelihoods in light of extracted pixel features as well as the evaluation of a global outlier model in light of extracted pixel features. Those pixels having a low likelihood for both their local background model as well as the outlier model are identified as corresponding to oil-contaminated water within the infrared image. | 06-13-2013 |
20130147460 | WIRELESS REMOTE DETECTORS SYSTEMS AND METHODS - A system is provided that includes: a sensor device adapted to selectively monitor a plurality of sensors, wherein the sensor device includes a wireless transceiver within the sensor device adapted to transmit measurement information from the selected sensor; and a receiver indicator device adapted to wirelessly receive the measurement information from the sensor device, and provide an indication based on the measurement information to a user operating the receiver indicator device. | 06-13-2013 |
20130082178 | MICROBOLOMETER DETECTOR LAYER - A microbolometer is disclosed, including a bottom dielectric of a bridge structure; a detector layer disposed above the bottom dielectric, the detector layer comprised of a metal-doped vanadium pentaoxide material; and a top dielectric disposed above the detector layer. | 04-04-2013 |
20130031915 | STIRLING ENGINE DISPLACER DRIVE - In one embodiment, as cryocooler is provided that includes: a regenerator piston; a drive coupler; and a link flexure having a proximal end coupled by a first pin to the drive coupler and having a distal end coupled by a second pin to the regenerator piston, wherein the link flexure forms a vane having flattened opposing faces that are orthogonal to a longitudinal axis for the first and second pin. | 02-07-2013 |
20130017541 | Methods and Compositions for Segregating Target Nucleic Acid from Mixed Nucleic Acid Samples - The invention provides methods, compositions and kits for segregating a target nucleic acid from a mixed nucleic acid sample. The methods, compositions and kits comprise a non-processive endonuclease (e.g., a restriction enzyme) or an antibody that binds the target nucleic acid (e.g., has methylation specificity). The mixed nucleic acid sample can comprise prokaryotic and eukaryotic nucleic acid and/or nucleic acid from more than one prokaryotic or eukaryotic organisms. | 01-17-2013 |
20120327230 | VEHICLE-MOUNTED CAMERA STABILIZED PASSIVELY BY VIBRATION ISOLATORS - System, including method and apparatus, for imaging with a vehicle-mounted camera having an optical axis that is restricted from angular displacement, in response to vibration, by passive stabilization via a set of vibration isolators. | 12-27-2012 |
20120321212 | SYSTEMS AND METHODS FOR PROCESSING INFRARED IMAGES - One or more embodiments of the invention provide a system and method for processing an infrared image to receive infrared image data of a non-uniform scene, apply column noise filter correction to the infrared image data, and/or apply row noise filter correction to the infrared image data, and provide corrected infrared image data based on the column and/or row noise filter correction as infrared output image data. | 12-20-2012 |
20120320217 | SCENE BASED NON-UNIFORMITY CORRECTION SYSTEMS AND METHODS - Systems and methods provide scene-based non-uniformity correction for infrared images, in accordance with one or more embodiments. For example in one embodiment, a method of processing infrared images of a scene captured by an infrared image sensor comprising a plurality of sensor elements includes receiving a first frame comprising a first plurality of pixel data of a first infrared image; receiving a second frame comprising a second plurality of pixel data of a second infrared image; determining frame-to-frame motion between the first frame and the second frame, wherein the frame-to-frame motion identifies portions of the first and second pixel data corresponding to identical scene coordinates captured by different sensor elements for the first and second frames; determining irradiance differences between the first and second portions of pixel data; and determining pixel offset information for scene based non-uniformity correction terms based on the irradiance differences and the frame-to-frame motion. | 12-20-2012 |
20120318984 | METHOD AND DEVICE FOR MEASUREMENT WITH AN IR IMAGING DEVICE - The present invention relates to a method and device for measuring at least two properties of an object, for some embodiments, said device comprising a measuring device for measuring at least one physical property of an object and an infrared imaging device for measuring at least one thermal property of an object, and wherein said first measuring device and said infrared imaging device are arranged to be synchronized to perform simultaneous measurements of the object. | 12-20-2012 |
20120316685 | GIMBAL SYSTEM WITH LINEAR MOUNT - Gimbal system, including method and apparatus, for mounting a gimbal apparatus to a support platform with a mount assembly. The mount assembly may include first and second bar assemblies that are rotationally coupled to each other by a pair of gears. | 12-13-2012 |
20120314084 | CAMERAS WITH ON-BOARD REPORTING CAPABILITIES - Described herein is an IR camera that can prepare a report on-board the camera in a standard file format that is substantially universally readable by a number of receiving devices, including but not limited to computers. The report preferably includes at least one IR image, at least one visual image and a table that can be populated with the output of any of the camera's measurement functions or any parametric information (time, date, emissivity, background temperature, GPS location, etc.). The report may also include text, voice, and/or visual/graphical comments and recommendations. The comments may be added directly to the report or hyperlinked to the report. | 12-13-2012 |
20120312992 | MULTILAYERED MICROBOLOMETER FILM DEPOSITION - A microbolometer is disclosed, including a bottom multilayered dielectric, having a first silicon oxynitride layer and a second silicon oxynitride layer disposed above the first silicon oxynitride layer, the first and second silicon oxynitride layers having different refractive indices. The microbolometer further includes a detector layer disposed above the bottom multilayered dielectric, the detector layer comprised of a temperature sensitive resistive material, and a top dielectric disposed above the detector layer. | 12-13-2012 |
20120312976 | INFRARED CAMERA CALIBRATION TECHNIQUES - Various techniques are disclosed for testing and/or calibrating infrared imaging modules. For example, a method of calibrating an infrared imaging module may include providing a plurality of temperature controlled environments. The method may also include transporting the infrared imaging module through the environments. The method may also include performing a measurement in each environment using an infrared sensor assembly of the infrared imaging module and determining a plurality of calibration values for the infrared imaging module based on the measurements. | 12-13-2012 |
20120275038 | Optical Pointing Mechanism - An adjustment mechanism for an optical system is provided. Two concentric eccentric rings support a back end of an optical element. The movements of the two rings relative to each other re-position the back end to affect the orientation of the field of view of the optical element. A clamp ring is provided to fix the position of the back end after the adjustment is completed. | 11-01-2012 |
20120249863 | BORESIGHT ALIGNMENT STATION - A boresight alignment system facilitates aligning a plurality of cameras and/or images of the cameras with respect to one another. The system may have a mount configured to facilitate attachment of a bezel containing a plurality of cameras to the mount. The system may have a plurality of targets and each target may be configured to provide light of at least two different wavelengths and/or ranges of wavelengths. One or more baffles may be disposed optically between the mount and the target assembly to inhibit stray light from being incident upon the cameras. | 10-04-2012 |
20120224063 | INFRARED CAMERA SYSTEMS AND METHODS - Systems and methods disclosed herein provide, for some embodiments, infrared cameras and target position acquisition techniques for various applications. For example, in one embodiment, a system may include a portable imaging/viewing subsystem having a target position finder and may also include a fixed mount camera subsystem having a camera and a camera positioner. A communications link may be configured to communicate a signal from the target position finder to the camera positioner. The signal may be representative of a position of a target being imaged/viewed with the portable imaging/viewing subsystem. The camera positioner may aim the camera toward the target in response to the signal. The target may, for example, be a man overboard. Thus, the system may be useful in search and rescue operations. | 09-06-2012 |
20120207401 | WAVELENGTH DIVERSE SCINTILLATION REDUCTION - Systems, including apparatus and methods, for obtaining and/or correcting images, particularly from atmospheric and/or other distortions. These corrections may involve, among others, collecting two or more sets of image data corresponding to images of the same scene in different wavelength regimes, and using correlations between wavelength and expected distortion to distinguish apparent image motion due to distortion from apparent image motion due to object or scene motion. These systems may be useful in any suitable imaging context, including navigation, targeting, search and rescue, law enforcement, commercial video cameras and/or surveillance, among others. | 08-16-2012 |
20120200212 | Modular Optical Box - A modular, self-contained optical box is provided. The optical box has a back plate fixedly attached to a front wall. Optical sensors, such as infrared cameras, visible cameras and optical pointers, are fixedly attached to the front wall and the back plate. Distal, round ends of the optical sensors are captured by translation plates. Each translation plate is capable of moving the distal end of the optical element in two directions to or in a planar fashion to align the optical element to the optical box, or to adjust the line of sight of the optical sensors relative to the optical box, before securing the distal end of the optical element. The optical box is designed to be incorporated into a gimbal, and the front wall forms a part of an outer housing of the gimbal. In one embodiment, the optical box is rotatable about one axis relative to the gimbal. | 08-09-2012 |
20120161001 | MONOLITHIC ELECTRO-OPTICAL POLYMER INFRARED FOCAL PLANE ARRAY - In one embodiment, a dual-band focal plane array includes a readout circuit (ROIC), and a plurality of electro-optical (EO) polymer pixels for absorbing visible and/or short wave infrared (SWIR) radiation, each of the EO polymer pixels electrically coupled to the ROIC. The detector further includes a plurality of microbolometers for detecting long wave infrared (LWIR) radiation, each microbolometer electrically coupled to the ROIC via contact legs disposed between adjacent microbolometers and between adjacent EO polymer pixels. A method of fabricating a focal plane array is also provided. | 06-28-2012 |
20120154140 | WIRELESS REMOTE DETECTOR SYSTEMS AND METHODS - A system is provided that includes: a sensor device adapted to selectively monitor a plurality of sensors including an electrical sensor adapted to monitor at least one electrical parameter associated with a circuit and a heat sensor adapted to monitor heat, wherein the sensor device includes a wireless transceiver within the sensor device adapted to transmit measurement information from the selected sensor; and a receiver indicator device adapted to wirelessly receive the measurement information from the sensor device, and provide an indication based on the measurement information to a user operating the receiver indicator device. | 06-21-2012 |
20120098972 | INFRARED BINOCULAR SYSTEM - Binocular system, including method and apparatus, for viewing a scene. The system may comprise a left camera and a right camera that create left and right video signals from detected optical radiation. At least one of the cameras may include a sensor that is sensitive to infrared radiation. The system also may comprise a left display and a right display arranged to be viewed by a pair of eyes. The left and right displays may be configured to present respective left video images and right video images formed with visible light based respectively on the left and right video signals. | 04-26-2012 |
20120098971 | INFRARED BINOCULAR SYSTEM WITH DUAL DIOPTER ADJUSTMENT - Binocular system, including method and apparatus, for viewing a scene. The system may comprise a left camera and a right camera that create left and right video signals from detected optical radiation. At least one of the cameras may include a sensor that is sensitive to infrared radiation. The system also may comprise a left display and a right display arranged to be viewed by a pair of eyes. The left and right displays may be configured to present respective left video images and right video images formed with visible light based respectively on the left and right video signals. | 04-26-2012 |
20120079838 | Ruggedized Integrated Detector Cooler Assembly - The present invention relates to a cryogenic cooler's expander supported by a support member, preferably a truncated conical tube. The support member provides additional stiffness to the expander to reduce movements at the distal end of the expander. The support member also increases the natural frequency of the expander. In one embodiment, the support member increases the natural frequency of the expander at least about two (2) times in the bending and/or twisting sense. In another embodiment, the bending natural frequency of the expander and support sub-assembly is at least about two times greater or lower than the natural frequency of the electrical wires that connect the infrared sensor to a control processing unit to reduce the maximum stress applied to the electrical wires during use. In another embodiment, additional or redundant electrical pathways are provided for the connection between the infrared sensor and the CPU. Furthermore, shock absorber and/or shock diverters are provided on the rigid pins that connect the electrical wires to the CPU. | 04-05-2012 |
20120038901 | OPTICAL PAYLOAD WITH INTEGRATED LASER RANGEFINDER AND TARGET DESIGNATOR - A compact optical payload for an unmanned aircraft includes two infrared cameras for wide and narrow field viewing, a daylight color camera, a laser pointer and a laser range finder. | 02-16-2012 |
20120037803 | ELECTROMAGNETIC INTERFERENCE SHIELD - An improved EMI shielded detection system. The disclosed system may include features configured to increase radio wave and microwave absorbance while retaining significant transparency at visible and/or infrared wavelengths, thus increasing EMI shielding efficiency. This may be accomplished through the use of a conductive mesh having appropriately chosen dimensions and spacing, and embedded in a transparent medium. To minimize the impact of the mesh on the effective aperture of the medium, the strands of the mesh may be made relatively narrow, and to provide sufficient shielding despite the narrow strand width, the mesh may be embedded relatively deeply in the medium. | 02-16-2012 |
20120026337 | INFRARED CAMERA ARCHITECTURE SYSTEMS AND METHODS - An infrared camera architecture includes, for an embodiment, an infrared detector, a substrate, a plurality of electrical components coupled to the substrate, and a pedestal made of a thermally conductive material and having a leg coupled to the substrate. The infrared detector is supported by and thermally coupled to the pedestal, with the pedestal thermally isolating the infrared detector from the plurality of electrical components. | 02-02-2012 |
20120017607 | Expander for Stirling Engines and Cryogenic Coolers - The invention is directed to an improved cryogenic cooler with an expander where the regenerator matrix is decoupled from the displacer or piston, thereby allowing the design of each to be optimized substantially independently. The regenerator matrix is preferably positioned spaced apart from the displacer and can be designed to enhance thermal exchanges and flow rates of the working gas. In one embodiment, the regenerator matrix has a serpentine shape or U-shape disposed around the displacer and the cold finger. Preferably, the regenerator matrix is static. The thermal lengths of the cold finger and/or the displacer can be extended by minimizing their geometrical lengths. Additionally, the structural integrity or stiffness of the cold finger and/or displacer can be strengthened. | 01-26-2012 |
20120001768 | Multisensory Meter System - A multisensory meter system is disclosed. The system comprises one main unit and a plurality of remote units. Each remote unit has at least a sensor to measure a physical parameter and wirelessly transmit the measured parameter as a signal to the main unit. The main unit and the remote units have an interface that allows at least one the remote units to be attached to the main unit. When attached, the main unit and the remote unit function as a single meter, and the main unit is capable of receiving signals from the other remote units. In one embodiment, the main unit and the remote units form a mesh network to transmit and receive signals, wherein each remote unit receives signals and transmits said signals. The mesh network may also contain relays. The remote units may measure a number of physical parameters such as relative humidity, temperature, vibration, moisture, electrical current, air speed, voltage and rotational speed. The signals may contain a unique identifier or code, and may be broadcast in unique frequencies. | 01-05-2012 |
20110286735 | INFRARED CAMERA ASSEMBLY SYSTEMS AND METHODS - A camera assembly includes a housing having a central axis and a camera cassette slidably receivable in a front end thereof. The slide-in cassette includes a sled having a pair of legs slidably receivable in respective ones of a pair of complementary longitudinal slide guide recesses located in the housing and aligned substantially parallel to the central axis thereof, an electrical connector located at a rear end of the sled, a camera electrically coupled to the electrical connector, and an apparatus disposed at a front end of the sled for coupling the camera to the front ends of the sled and the housing such that the optical axis of the camera is located generally concentric with the central axis of the housing and disposed at a selectably adjustable angle relative thereto. | 11-24-2011 |
20110279673 | MARITIME CONTROLS SYSTEMS AND METHODS - Systems and methods disclosed herein provide for various embodiments of maritime control components. For example in one embodiment, a control component, adapted to be used with a watercraft, includes a mounting feature adapted to mount the control component to a steering wheel of the watercraft, and a mode selector of the control component adapted to receive and transmit a first user input signal corresponding to a user selected mode of operation from a plurality of selectable modes of operation including a map mode, a sonar mode, a fishfinder mode, a radar mode, an autopilot pattern mode, an entertainment mode, and/or a maritime mode. The control component further includes an increase/decrease actuator adapted to receive and transmit a second user input signal corresponding to a user selection within the user selected mode of operation. Embodiments of a watercraft and a method of display control are also provided. | 11-17-2011 |
20110272559 | DETECTOR ARRAY FOR HIGH SPEED SAMPLING OF A PULSE - Various techniques are provided for performing detection using a focal plane array (FPA). For example, in one embodiment, a unit cell of an FPA may be implemented to support rapid sampling in response to one or more laser pulses reflected from an object or feature of interest. An FPA implemented with such unit cells may be used, for example, in an imaging system capable of detecting a plurality of two dimensional image frames and providing a three dimensional image using the detected two dimensional image frames. Other applications of such rapid sampling unit cells are also contemplated. | 11-10-2011 |
20110226955 | IMAGE STABILIZATION SYSTEM - Imaging systems in which an undedicated optical component—i.e., a component that would be present in the system even in the absence of image stabilization—is configured to undergo corrective motion and/or other correction of image data, and thus to function as a stabilization component. The stabilization component may be a mirror and/or a lens, and a positioner may be provided to tilt, rotate, and/or otherwise precisely adjust the position and orientation of the stabilization component to improve image resolution, compensate for platform motions such as platform vibration, and/or improve image tracking. Because an undedicated optical component functions as the stabilization component, the stabilization occurs upstream, rather than downstream, from separation (if any) of the incoming image data into two or more beams. As a result, only one stabilization component is required regardless of whether the system is configured to split the image data into multiple data channels, and imaging systems as described herein therefore may be particularly well-suited for integration into a shared-aperture imaging system. In some embodiments, the coefficients of thermal expansion of selected system components—including optics, optical support structures, and/or positioners—may be substantially the same or closely matched. | 09-22-2011 |
20110221908 | INFRARED TRANSMISSIVE DOME SYSTEMS AND METHODS - Systems and methods are disclosed that provide an infrared-transmissive dome, such as for infrared imaging applications. For example, an infrared-transmissive dome, for an embodiment, includes a main body providing a hollow, hemispherical-shaped dome; wherein the main body is made of an ultra-high molecular weight or a very-high molecular weight polyethylene material; and wherein the main body has a wall thickness equal to or less than approximately 0.012 inches to allow infrared transmittance greater than approximately sixty five percent through the main body for infrared imaging in a wavelength range of approximately three to fourteen micrometers. | 09-15-2011 |
20110221599 | IMAGER WITH MULTIPLE SENSOR ARRAYS - An imager array may be provided as part of an imaging system. The imager array may include a plurality of sensor arrays (e.g., also referred to as lenslets or optical elements). Each sensor array may include a plurality of sensors (e.g., pixels) associated with a lens. The sensor arrays may be oriented, for example, substantially in a plane facing the same direction and configured to detect images from the same scene (e.g., target area). Such images may be processed in accordance with various techniques to provide images of electromagnetic radiation. The sensor arrays may include filters or lens coatings to selectively detect desired ranges of electromagnetic radiation. Such arrangements of sensor arrays in an imager array may be used to advantageous effect in a variety of different applications. | 09-15-2011 |
20110221025 | ALUMINUM INDIUM ANTIMONIDE FOCAL PLANE ARRAY - In one embodiment, a detector includes an Al | 09-15-2011 |
20110221024 | ALUMINUM INDIUM ANTIMONIDE FOCAL PLANE ARRAY - In one embodiment, a detector includes an Al | 09-15-2011 |
20110220797 | INFRARED CAMERA WITH INFRARED-TRANSMISSIVE DOME SYSTEMS AND METHODS - Systems and methods are disclosed that provide an infrared-transmissive dome, such as for infrared imaging applications. For example, an infrared camera system includes a housing having a lens coupled to the housing and an infrared detector within the housing configured to receive infrared energy passing through the lens. An infrared-transmissive dome, coupled to the infrared camera system, includes a main body providing a hollow, hemispherical-shaped dome, with the main body made of an ultra-high molecular weight or a very-high molecular weight polyethylene material. The main body may have a wall thickness equal to or less than approximately 0.012 inches to allow infrared transmittance greater than approximately sixty five percent through the main body to the lens for infrared imaging in a wavelength range of approximately three to fourteen micrometers. | 09-15-2011 |
20110110386 | Q-Switched Laser with Passive Discharge Assembly - Embodiments of the invention concern a passive discharge assembly comprising one or more substantially sharp electrode pins that are positioned proximate to a charged, insulating surface, such as the optical entrance and exit surface of a Q-switch crystal, e.g., lithium niobate (LiNbO | 05-12-2011 |
20100309315 | INFRARED CAMERA SYSTEMS AND METHODS FOR DUAL SENSOR APPLICATIONS - Systems and methods disclosed herein provide for infrared camera systems and methods for dual sensor applications. For example, in one embodiment, an enhanced vision system comprises an image capture component having a visible light sensor to capture visible light images and an infrared sensor to capture infrared images. The system comprises a first control component adapted to provide a plurality of selectable processing modes to a user, receive a user input corresponding to a user selected processing mode, and generate a control signal indicative of the user selected processing mode, wherein the plurality of selectable processing modes includes a visible light only mode, infrared only mode, and a combined visible-infrared mode. The system comprises a processing component adapted to receive the generated control signal from the control component, process the captured visible light images and the captured infrared images according to the user selected processing mode, and generate processed images based on the processing mode selected by the user. The system comprises a display component adapted to display the processed images based on the processing mode selected by the user. | 12-09-2010 |
20100283854 | Optical Payload Electrical System - A compact optical payload for an unmanned aircraft includes two infrared cameras for wide and narrow field viewing, a daylight color camera, a laser pointer and a laser range finder. | 11-11-2010 |
20100266747 | COMBINED CRYSTAL/OPTICAL ASSEMBLY AND METHOD OF ITS USE - Systems, including apparatus and methods, for monitoring and controlling fabrication of thin-film coatings on a target substrate, thereby providing coatings with highly accurate thicknesses and indices of refraction. | 10-21-2010 |
20100185406 | WIRELESS REMOTE DETECTOR SYSTEMS AND METHODS - A system for an embodiment includes a sensor device having at least one sensor adapted to monitor at least one parameter associated with a circuit and selectively provide measurement information on the at least one parameter. The at least one sensor may include an electrical sensor adapted to monitor an electrical parameter of the circuit for the sensor device to selectively provide as the measurement information, and wherein the sensor device includes a wireless transceiver within the sensor device and is adapted to transmit the measurement information and receive control information. The system may further include a receiver indicator device having a wireless transceiver and adapted to wirelessly receive the measurement information from the sensor device, provide the control information to the sensor device, and provide an indication based on the measurement information to a user operating the receiver indicator device | 07-22-2010 |
20100171377 | GIMBAL SYSTEM - A gimbal system. The gimbal system may include space-saving features configured to accommodate one or more payload components, thus increasing the payload capacity of the gimbal ball without necessarily increasing the outer dimensions of the gimbal ball. Alternatively, or in addition, the gimbal system may include a motor configured to move at least one gimbal relative to another gimbal about a first axis, with the motor peripherally mounted distal the axis. | 07-08-2010 |
20100128456 | Electronic Package - The present invention relates to a device package, such as an electronic system package, that is suitable for use in harsh military or commercial environments. The package components, including a base enclosure and mating cover, comprise a series of interconnected electrically conductive materials, forming a tortuous electrically conductive path, that advantageously shield electromagnetic interference (“EMI”). The electrically conductive, EMI-shielding layers and other coated layers (e.g., insulative electrocoated paint layers) are smooth layers that provide corrosion resistance to the interior and exterior surfaces of the package. The package is also designed such that its components form a water tight seal. Thus, innovatively, the package comprises a combination of components that synergistically shield electromagnetic interference, resist interior and exterior corrosion, and form a water tight seal. The package is configured to pass military specification EMI and salt fog standard testing. | 05-27-2010 |
20090324015 | EMITTER TRACKING SYSTEM - An improved emitter tracking system. In aspects of the present teachings, the presence of a desired emitter may be established by a relatively low-power emitter detection module, before images of the emitter and/or its surroundings are captured with a relatively high-power imaging module. Capturing images of the emitter may be synchronized with flashes of the emitter, to increase the signal-to-noise ratio of the captured images. | 12-31-2009 |
20090284644 | Optical Payload with Folded Telescope and Cryocooler - A compact optical payload for an unmanned aircraft includes two infrared cameras for wide and narrow field viewing, a daylight color camera, a laser pointer and a laser range finder. | 11-19-2009 |
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20090274388 | IMAGE CORRECTION ACROSS MULTIPLE SPECTRAL REGIMES - Systems, including apparatus and methods, for obtaining and/or correcting images, particularly from atmospheric and/or other distortions. These corrections may involve, among others, determining corrective information in a first (e.g., visible) wavelength regime, and then applying the corrective information in a second (e.g., longer) wavelength regime, such as infrared (IR) or millimeter-wave (MMW) wavelengths, in real time or with post-processing. For example, these corrections may include scaling a phase diversity correction from one wavelength to another. These systems may be useful in any suitable imaging context, including navigation, targeting, search and rescue, law enforcement, and/or surveillance, among others. | 11-05-2009 |
20090274189 | SCALABLE THERMALLY EFFICIENT PUMP DIODE SYSTEMS - Scalable, thermally efficient pump diode systems. These systems may include an arrangement of pump diodes and thermally conductive spacers mounted within a single indentation in a substrate or substrate clamps, so as to provide enhanced heat removal from the system. These systems also may include a plurality of such pump diode assemblies mounted, in a symmetric or partially symmetric arrangement, around a lasing medium in a diode pumped laser system, to improve heat removal and/or excitation of the medium. | 11-05-2009 |
20090200466 | Thermography camera configured for gas leak detection - A portable thermography camera system ( | 08-13-2009 |
20090121135 | PORTABLE RADIOMETRY AND IMAGING APPARATUS - Systems, including devices and methods, for infrared imaging, and more particularly to systems for infrared imaging. | 05-14-2009 |
20090000313 | Regenerator matrix with mixed screen configuration - A regenerator matrix | 01-01-2009 |