US Pat. No. 9,065,254

MULTI-WAVELENGTH VCSEL ARRAY TO REDUCE SPECKLE

FLIR Systems, Inc., Wils...

1. A method comprising:
forming an illuminator comprising a light source configured to originate an illumination beam, wherein the light source comprises
an array of vertical-cavity surface emitting lasers (VCSELs) sharing at least one common electrode and configured to produce
different emission wavelengths to form the illumination beam, 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; and

forming an illumination path to direct the illumination beam towards an object, wherein the different emission wavelengths
are configured to produce a full-width-half-maximum of between approximately 3 nm and 20 nm for the illumination beam.

US Pat. No. 9,083,897

INFRARED CAMERA SYSTEMS AND METHODS FOR DUAL SENSOR APPLICATIONS

FLIR Systems, Inc., Wils...

1. A method comprising:
receiving visible light sensor data corresponding to a visible light image;
receiving infrared sensor data corresponding to an infrared image comprising thermal information from an infrared wavelength
spectrum;

receiving a control parameter;
scaling a luminance data part of the visible light sensor data by a first amount using the control parameter;
scaling a luminance data part of the infrared sensor data by a second amount using the control parameter; and
generating output image data by combining the scaled luminance data parts.

US Pat. No. 9,197,866

METHOD FOR MONITORING A TRAFFIC STREAM AND A TRAFFIC MONITORING DEVICE

FLIR Systems, Inc., Wils...

1. A method for monitoring a traffic stream circulating on a road, the method comprising:
collecting video images and data of said traffic stream, wherein the video images of said traffic stream are recorded by a
camera and the data are measurements of vehicles of said traffic stream that are collected by a measurement member; and

calibrating said video images to said data by:
determining a reference frame for pixels composing a selected image, and
determining an orientation angle indicating an angle between an axis extending along said road and a central axis of a measurement
beam emitted by the measurement member by sampling subsequent positions on said road reached by a vehicle of said traffic
stream travelling on said road.

US Pat. No. 9,513,172

WAFER LEVEL PACKAGING OF INFRARED CAMERA DETECTORS

FLIR Systems, Inc., Wils...

1. An infrared detector, comprising:
a substrate having an array of infrared detectors and a readout integrated circuit interconnected with the array disposed
on an upper surface thereof;

a generally planar window spaced above the array, the window being substantially transparent to infrared light;
a mesa bonded to the window and to the substrate, the mesa having 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 defining a closed cavity
between the window and the substrate that encloses the array, and wherein an upper surface of the side walls of the mesa are
bonded to the lower surface of the window by a layer of oxide of the semiconductor, and a lower surface of the side walls
of the mesa are bonded to the substrate; and,

a solder seal bonding the mesa to the substrate so as to seal the cavity.

US Pat. No. 9,171,361

INFRARED RESOLUTION AND CONTRAST ENHANCEMENT WITH FUSION

FLIR Systems AB, Taby (S...

1. A method, comprising:
receiving, by a processor, a visual image of a scene captured using a visual image sensor;
receiving, by the processor, an infrared (IR) image of the scene captured using an IR image sensor;
for a portion of said IR image:
extracting, by the processor from a corresponding portion of the visual image, pixel data representing high spatial frequency
content, wherein the high spatial content includes contours and/or edges that show low or no contrast in the IR image; and

combining, by the processor, luminance information of said extracted pixel data from said portion of the visual image with
luminance information of corresponding pixels in said portion of the IR image to augment the IR image with the contours and/or
edges from the visual image, wherein the augmented IR image comprises temperature information that is unaltered by the combining.

US Pat. No. 9,332,186

METHOD FOR COMPENSATING MOTION BLUR IN CONNECTION WITH VIBRATIONS

FLIR Systems AB, Taby (S...

1. A method for processing image data for image stabilization, the method comprising:
receiving an image from an image recording device;
selecting a portion of the received image;
determining a degree of sharpness the selected portion of the received image;
comparing the determined degree of sharpness for the selected portion of the received image against a reference value, the
reference value representing a degree of sharpness for a select portion of a previously used image in a video sequence;

updating the video sequence with the received image and saving the determined degree of sharpness for the selected portion
of the received image as a new reference value, if the determined degree of sharpness is greater than or equal to the reference
value; and

reducing the reference value, saving the reduced reference value as the new reference value, and keeping the previously used
image in the video sequence, if the determined degree of sharpness is less than the reference value.

US Pat. No. 9,058,653

ALIGNMENT OF VISIBLE LIGHT SOURCES BASED ON THERMAL IMAGES

FLIR Systems, Inc., Wils...

1. A system comprising:
an infrared imaging module comprising a focal plane array (FPA) configured to capture an unblurred thermal image of a scene
and an intentionally blurred image of the scene;

a processor configured to determine a plurality of non-uniform correction (NUC) terms based on the intentionally blurred thermal
image, apply the NUC terms to the unblurred thermal image to remove noise form the unblurred thermal image, and generate alignment
guide information from the unblurred thermal image; and

a visible light source configured to be selectively directed based on the alignment guide information to substantially align
the visible light source with a desired subject and project a visible light beam substantially on the subject.

US Pat. No. 9,436,367

PROCESSING AN INFRARED (IR) IMAGE BASED ON SWIPE GESTURES

1. A method of processing an infrared(IR) image based on a swipe gesture, the method comprising:
displaying an IR image on a touch screen, wherein the IR image is displayed within a first graphical object of one or more
graphical objects displayed within said touch screen;

receiving, by a processor communicatively coupled to said touch screen, a user indication of a swipe gesture via said touch
screen, wherein said receiving the user indication comprises generating first data representing a first swipe gesture starting
location and second data to representing a first swipe gesture direction;

processing the one or more graphical objects based on the first and the second data, wherein the processing comprises at least
one of:

(i) splitting said IR image within the first graphical object into a first and second parts to process the first or the second
part,

(ii) modifying a size of a second graphical object to a predefined expanded size or a predefined minimized size,
(iii) modifying a temperature range for processing the IR image, or
(iv) modifying one or more parameter ranges for processing the IR image; and
displaying said processed one or more graphical objects within said touch screen.

US Pat. No. 9,047,745

INFRARED CAMERA SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system, comprising:
a fixed mount camera subsystem having a camera, a camera positioner, and a first communications interface;
a portable imaging/viewing subsystem having a target position finder and a second communications interface adapted to establish
a communications link with the first communications interface to communicate a signal from the target position finder to the
camera positioner, the signal being representative of position information of a target being imaged/viewed with the portable
imaging/viewing subsystem;

wherein the fixed mount camera subsystem is configured to aim the camera using the camera positioner toward the target in
response to the signal;

wherein the communications link comprises a wired or wireless communications link; and
wherein the portable imaging/viewing subsystem and/or the fixed mount camera subsystem comprises:
a 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 man overboard mode, a night cruising mode, and a day cruising mode;
and

a processing component adapted to receive the generated control signal from the control component, process a captured infrared
image according to the user selected processing mode, and generate a processed infrared image.

US Pat. No. 9,215,384

METHOD OF PROCESSING AN INFRARED IMAGE, INFRARED IMAGE CAPTURING SYSTEM AND COMPUTER READABLE MEDIUM

FLIR Systems AB, Taby (S...

1. A method of processing an infrared image, the method comprising:
capturing the infrared image;
processing the infrared image to provide a background portion of the infrared image and a detail portion of the infrared image;
scaling the background portion and/or the detail portion to provide a level of the detail portion relative to a level of the
background portion;

receiving a user operated control signal value from a user controlling two variables with a single control, wherein the processing
and the scaling use filtering and gain values, respectively, corresponding to the control signal value;

merging the background portion and the detail portion after the scaling to provide a processed infrared image, wherein the
merging of the background and the detail portion is controlled by the two variables, wherein a first variable of the two variables
represents a standard deviation of the radiometric Gaussian, and wherein a second variable of the two variables represents
a ratio between a dynamic range of the detail portion and a dynamic range of the background portion; and

storing or displaying the processed infrared image.

US Pat. No. 9,052,381

DETECTOR ARRAY FOR HIGH SPEED SAMPLING OF AN OPTICAL PULSE

FLIR Systems, Inc., Wils...

1. A focal plane array (FPA) comprising:
a plurality of unit cells arranged in a plurality of rows and a plurality of columns, each unit cell of the FPA comprising:
a detector comprising a diode adapted to provide a current in response to an optical pulse received by the detector; and
a first circuit comprising:
an integrator circuit comprising:
an input node adapted to receive the current from the detector,
an output node,
a source follower amplifier connected between the input node and the output node and adapted to provide a first voltage at
the output node that changes in response to the current received at the input node, and

a first switch adapted to selectively set the input node to a reset voltage before the current is received from the detector;
a sample and hold (S/H) circuit comprising a first capacitor and a second switch, wherein the first capacitor comprises a
first terminal connected to a reference voltage and a second terminal connected to the second switch, wherein the S/H circuit
is adapted to sample a second voltage across the first capacitor using the second switch, wherein the second voltage is associated
with the first voltage;

a correlated double sampling (CDS) circuit connected to the integrator circuit and the S/H circuit and adapted to set the
second terminal of the first capacitor to the reference voltage and then provide the second voltage to the second terminal
of the first capacitor;

a buffer adapted to provide the second voltage to be read out from the unit cell; and
wherein at least one of the detectors and at least one of the first circuits is provided for each unit cell of the FPA.

US Pat. No. 9,367,219

PROCESSING AN INFRARED (IR) IMAGE BASED ON SWIPE GESTURES

1. A method comprising:
displaying, on a touch screen, an image of a scene;
partitioning the image into a first part and a second part in response to a user indication made on the touch screen;
displaying the first part of the image in an infrared (IR) image mode using at least a portion of an IR image of the scene
captured by an IR imaging sensor; and

displaying the second part of the image in a non-IR image mode.

US Pat. No. 9,279,728

EXECUTABLE CODE IN DIGITAL IMAGE FILES

1. A processor-implemented method for processing information in infrared (IR) images, the method comprising:
receiving IR radiation from at least one object in an area;
capturing radiometric temperature data from the IR radiation;
generating at least one digital IR image file using the radiometric temperature data;
storing the at least one digital IR image file and at least one digital function file comprising an executable code including
compiled binary codes that are executable independent of system architecture or platform, wherein the executable code comprises
at least one instruction for processing the radiometric temperature data captured from the IR radiation; and

generating an executable digital IR image file by linking the executable code of the at least one digital function file with
the at least one digital IR image file, thereby generating a linked unit defined as the executable digital IR image file to
support execution of the executable digital IR image file in different computer system architectures for generating radiometric
temperature alarms or performing radiometric temperature measurements, and wherein the at least one instruction comprised
in the executable code is generated in response to a user providing input using at least one of a plurality of control devices.

US Pat. No. 9,191,583

METHOD FOR DISPLAYING A THERMAL IMAGE IN AN IR CAMERA, AND AN IR CAMERA

FLIR Systems AB, Taby (S...

1. A method for displaying a thermal image of a scene in an infrared (IR) thermal camera, the method comprising:
registering a first air temperature value (TA);

registering a second air temperature value (TB);

calculating a threshold temperature level value (TIso) based on the registered TA, the registered TB, and a temperature color alarm level (TCAL);

imaging, by the IR thermal camera, a surface area to capture the thermal image, wherein the thermal image represents a temperature
distribution in at least a part of the surface area;

comparing a surface area temperature in at least one image point of the thermal image to the TISO;

adjusting the color of the at least one image point in dependence of the relation between the surface area temperature in
the at least one image point and the T130 to create a colored version of the thermal image; and

displaying the colored version of the thermal image.

US Pat. No. 9,491,376

FLAT FIELD CORRECTION FOR INFRARED CAMERAS

FLIR Systems, Inc., Wils...

1. A system, comprising:
a focal plane array (FPA) of an infrared camera adapted to capture thermal image data in response to infrared radiation received
by the FPA;

a memory adapted to store a set of supplemental flat field correction values that are based on a calibration of the FPA; and
a processor adapted to:
estimate a temperature difference between the FPA and a component of the infrared camera, separate from the FPA, that is in
proximity to a first optical path of the infrared camera;

determine a scale factor from the estimated temperature difference;
apply the scale factor to the set of supplemental flat field correction values; and
apply the scaled set of supplemental flat field correction values to the thermal image data to adjust for non-uniformities
associated with at least a portion of the first optical path.

US Pat. No. 9,225,913

DEVICE FOR IMAGING WITHIN THE IR RANGE

FLIR Systems AB, Dandery...

1. A device for imaging within the IR range, comprising:
a cooled unit comprising a cooled matrix with detectors and a calibrating device for individual calibration of the detectors
of the detector matrix with respect to amplification and/or offset, wherein the calibrating device comprises at least one
radiator configured to reflect radiation from the cooled unit to a surface of the detector matrix and arranged directly in
an optical axis of the imaging device, and a signal-processing unit.

US Pat. No. 9,338,352

IMAGE STABILIZATION SYSTEMS AND METHODS

FLIR Systems AB, Taby (S...

1. A method of stabilizing a sequence of infrared (IR) images captured using an infrared (IR) imaging system, using a processor
comprised in said IR imaging system, wherein the processor is adapted to process IR image data, the method comprising:
for each of a first and a second IR image:
i) identifying, by said processor, pixels comprising edge information;
ii) generating, by said processor, an edge map, wherein the pixels identified as comprising edge information are assigned
first pixel values that differ from second pixel values for the remaining pixels, and wherein the generating of an edge map
further comprises applying one or more threshold values to the first and second IR images, respectively; and

iii) generating, by said processor, a data collection representing the distribution of the first and/or second pixel values
in the edge map;

thus resulting in a first data collection representing the distribution of the first and/or second pixel values in the first
edge map, and a second data collection representing the distribution of the first and/or second pixel values in the second
edge map;

comparing, by said processor, the first data collection to the second data collection;
determining, by said processor, the displacement between said first and second IR images based on the comparison between the
first and second data collections;

shifting, by said processor, the second IR image based on the determined displacement, thereby achieving stabilization of
the second IR image to the IR first image; and

providing, by said processor, a feedback control loop adapted to optimize said one or more threshold values that are to be
applied to the second IR image, in order to obtain an optimized number of, or an optimized amount of, pixels in the second
IR image that will be identified as comprising edge information.

US Pat. No. 9,207,708

ABNORMAL CLOCK RATE DETECTION IN IMAGING SENSOR ARRAYS

FLIR Systems, Inc., Wils...

1. A device comprising:
a counter adapted to receive a clock signal and adjust a count value in response to the clock signal;
a ramp generator adapted to generate a ramp signal having a slope independent of the clock signal;
a comparator adapted to receive a reference signal and the ramp signal, and select the current count value in response to
the reference signal and the ramp signal; and

a processor adapted to determine, based on the selected count value, if a frequency of the clock signal is within a specified
range.

US Pat. No. 9,423,940

DYNAMIC ANNOTATION IN USER INFORMATION SYSTEM OF IR CAMERA

FLIR SYSTEMS AB, Taby (S...

1. A system for managing annotations to IR images, the IR image annotation system comprising a processor configured to provide
selectable annotation input functions that are actuatable using control commands displayed on the display,
wherein a first instance of the IR image annotation system is synchronized with a second instance of the IR image annotation
system;

wherein entered annotation information or data is transferred between said instances and stored in respective instances;
wherein the transfer of data between said instances of the IR image annotation system is performed in either direction;
wherein the first instance of the IR image annotation system is an IR camera;
wherein the annotation input functions are configured to be activated, added or changed in real time in response to a control
command from a user;

wherein the processor is configured to provide a synchronization functionality that detects changes and starts synchronizing
data when any new input data, new application functions, new template or other information is saved on either the first instance
of the IR image annotation system or on the second instance of the IR image annotation system;

wherein the annotation input functions comprise input fields that use accumulated information from stored data according to
predetermined rules; and

wherein the predetermined rules comprise one or more of: most frequently used information, most recently used information,
most likely match of a partial information input, alphabetical ordering, numerical ordering, an association with a location
of the IR camera, an association with an object recognized by imaging processing of a captured image, an association with
a type of measurement, an association with a measurement application, and/or an association with an error or phenomenon detected
by the IR camera.

US Pat. No. 9,348,120

LWIR IMAGING LENS, IMAGE CAPTURING SYSTEM HAVING THE SAME, AND ASSOCIATED METHOD

FLIR SYSTEMS TRADING BELG...

1. An imaging lens for use with an operational waveband over any subset of 7.5-13.5 ?m, the imaging lens comprising:
a first optical element of a first high-index material, the first optical element having a front surface and a rear surface;
and

a second optical element of a second high-index material, the second optical element having a front surface and a rear surface,
the front surface of the second optical element facing the rear surface of the first optical element, wherein

at least two surfaces of the first and second optical elements are optically powered surfaces, a largest clear aperture of
all optically powered surfaces does not exceed a diameter of an image circle of the imaging lens corresponding to a field
of view of 55 degrees or greater by more than 30%,

sags of optically powered surfaces increase from an object side to an image side, and
the first and second high-index materials have
a refractive index greater than 2.2 in the operational waveband,
an absorption per mm of thickness less than 75% in the operational waveband, and
an absorption per mm of thickness greater than 75% in a visible waveband of 400-650 nm.

US Pat. No. 9,329,366

LWIR IMAGING LENS, IMAGE CAPTURING SYSTEM HAVING THE SAME, AND ASSOCIATED METHOD

FLIR SYSTEMS TRADING BELG...

1. An imaging lens for use with an operational waveband over any subset of 7.5-13.5 ?m, the imaging lens comprising:
a first optical element of a first high-index material, the first optical element having a front surface and a rear surface;
and

a second optical element of a second high-index material, the second optical element having a front surface and a rear surface,
the front surface of the second optical element facing the rear surface of the first optical element, wherein

at least two surfaces of the first and second optical elements are optically powered surfaces, a largest clear aperture of
all optically powered surfaces does not exceed a diameter of an image circle of the imaging lens corresponding to a field
of view of 55 degrees or greater by more than 30%,

sags of optically powered surfaces increase from an object side to an image side, and
the first and second high-index materials have
a refractive index greater than 2.2 in the operational waveband,
an absorption per mm of thickness less than 75% in the operational waveband, and
an absorption per mm of thickness greater than 75% in a visible waveband of 400-650 nm.

US Pat. No. 9,280,812

GAS VISUALIZATION ARRANGEMENTS, DEVICES, AND METHODS

FLIR Systems AB, Taby (S...

1. A method for gas visualization in an infrared (IR) image depicting a scene, the method comprising:
receiving a first IR image depicting the scene captured at a first time instance and receiving a second IR image depicting
the scene captured at a second time instance;

performing image processing operations on image data derived from the first IR image and from the second IR image, to generate
a collection of data representing the location of gas in one of the first or second IR image;

wherein the image processing operations include:
generating a temporal difference image based on the first IR image and the second IR image,
performing edge detection in at least one of the first and the second IR image,
creating an edge map comprising the detected edge information, wherein the pixels representing detected edge information are
assigned a first pixel value and the remaining pixels are assigned a second pixel value, and

generating a processed difference image as part of the collection of data by combining the edge map with the temporal difference
image such that the detected edge information is removed; and

generating a third image by adjusting pixel values in an image depicting the scene, dependent on pixel values of the collection
of data.

US Pat. No. 9,235,876

ROW AND COLUMN NOISE REDUCTION IN THERMAL IMAGES

FLIR Systems, Inc., Wils...

1. A method comprising:
receiving an image frame comprising a plurality of pixels arranged in a plurality of rows and columns, wherein the pixels
comprise thermal image data associated with a scene and noise introduced by an infrared imaging device; and

processing the image frame to determine a plurality of column correction terms to reduce at least a portion of the noise,
wherein each column correction term is associated with a corresponding one of the columns and is determined based on relative
relationships between the pixels of the corresponding column and the pixels of a neighborhood of columns, wherein the processing
the image frame comprises:

selecting one of the columns,
for each pixel of the selected column, comparing the pixel to a corresponding plurality of neighborhood pixels in the neighborhood
of columns,

for each comparison, adjusting a first counter if the pixel of the selected column has a value greater than the compared neighborhood
pixel,

for each comparison, adjusting a second counter if the pixel of the selected column has a value less than the compared neighborhood
pixel, and

selectively updating the column correction term associated with the selected column based on the first and second counters.

US Pat. No. 9,451,183

TIME SPACED INFRARED IMAGE ENHANCEMENT

FLIR Systems, Inc., Wils...

1. A system comprising:
a visible spectrum imaging module comprising a plurality of visible spectrum sensors configured to capture a visible spectrum
image of a scene at a first time;

an infrared imaging module comprising a plurality of infrared sensors configured to capture an infrared image of the scene
at a second time different from the first time, wherein the infrared image comprises an infrared data component; and

a processor configured to communicate with the visible spectrum imaging module and the infrared imaging module and to process
the visible spectrum image and the infrared image to generate a combined image comprising visible spectrum characteristics
of the scene derived from the visible spectrum image and infrared characteristics of the scene derived from the infrared data
component of the infrared image.

US Pat. No. 9,531,928

GIMBAL SYSTEM WITH IMBALANCE COMPENSATION

FLIR Systems, Inc., Wils...

1. A gimbal system, comprising:
a support portion;
a gimbal assembly pivotably connected to and supported by the support portion; and
a payload pivotably orientable with respect to the support portion by the gimbal assembly, to provide pan and tilt movement
of the payload,

the payload including a selectively positionable component such that repositioning of the component has an effect on a center
of gravity (CG) of the gimbal assembly, an imbalance compensator having a movable weight operatively connected to a driver
configured to move the weight independent of the positionable component, and a controller in operative communication with
the imbalance compensator;

wherein the controller is configured to counteract the effect of the positionable component on the CG by causing the imbalance
compensator to reposition the movable weight; and

wherein the positionable component and the movable weight are internal to the payload.

US Pat. No. 9,521,289

LINE BASED IMAGE PROCESSING AND FLEXIBLE MEMORY SYSTEM

FLIR Systems, Inc., Wils...

1. A method comprising:
receiving a thermal image frame comprising a plurality of individual lines, wherein each individual line comprises substantially
an entire row or column of thermal image data captured by a plurality of infrared sensors;

providing each individual line of the thermal image frame to a line based image processing pipeline;
performing image processing operations on the individual lines in stages of the image processing pipeline; and
buffering the individual lines for the pipeline stages, wherein the buffering comprises, for each individual line:
passing the individual line from a first one of the pipeline stages to a memory system,
storing the individual line in one of a plurality of virtual line buffers of the memory system, and
passing the stored individual line from the one of the virtual line buffers to a second one of the pipeline stages.

US Pat. No. 9,471,970

INFRARED RESOLUTION AND CONTRAST ENHANCEMENT WITH FUSION

FLIR SYSTEMS AB, Taby (S...

1. An imaging system, comprising:
an infrared (IR) imaging device configured to capture an IR image representing a scene by colors or greyscale levels according
to temperature;

a visual imaging device configured to capture a visual image of at least a portion of the scene; and
a processor configured to:
locate contours and/or edges from the visual image to obtain image data representing the located contours and/or edges; and
modify a luminance component of the IR image based on the image data representing the located contours and/or edges from the
visual image to enhance the IR image, wherein the colors or the greyscale levels representing the scene for at least a portion
of the IR image are unaltered by the modifying.

US Pat. No. 9,517,679

SYSTEMS AND METHODS FOR MONITORING VEHICLE OCCUPANTS

FLIR Systems, Inc., Wils...

1. A vehicle comprising:
an interior compartment;
an adjustable component responsive to a control signal;
an infrared imaging device comprising a focal plane array (FPA) and configured to capture thermal images comprising pixels
representing thermal radiation variations in at least a portion of the interior compartment; and

a processor configured to:
analyze the thermal radiation variations represented in the pixels of the thermal images;
detect one or more regions-of-interest (ROIs) in the thermal images based on the analysis of the thermal radiation variations;
analyze geometric and thermal properties of the one or more detected ROIs;
determine, based on the analysis of the geometric and thermal properties of the detected ROIs, a count of one or more occupants
present in the portion of the interior compartment and approximate sizes and/or positions of the one or more occupants, and

generate the control signal based on the determination of the count and the approximate sizes and/or the positions of the
one or more occupants.

US Pat. No. 9,207,662

SYSTEMS AND METHODS FOR MACHINING MATERIALS

FLIR Systems Trading Belg...

1. A method for machining a feature on a work piece along a curving tool path, comprising:
controlling a relative translational movement between a tool table and the work piece along the curving tool path, comprising
controlling a dynamic feed rate of the tool table along the curving tool path to substantially maintain a target centripetal
acceleration of the tool table with respect to the work piece;

controlling a corresponding angle of rotation of the tool table with respect to the work piece to maintain a substantially
constant angle between the tool table and the corresponding relative translational movement between the tool table and the
work piece along the curving tool path; and

determining the dynamic feed rate of the tool table at a plurality of positions along the curving tool path based on a set
of coordinates defining the plurality of positions along the curving tool path.

US Pat. No. 9,208,542

PIXEL-WISE NOISE REDUCTION IN THERMAL IMAGES

FLIR Systems, Inc., Wils...

1. A method comprising:
receiving an image frame comprising a plurality of pixels arranged in a plurality of rows and columns, wherein the pixels
comprise thermal image data associated with a scene and noise introduced by an infrared imaging device; and

processing the image frame to determine a plurality of non-uniformity correction (NUC) terms to reduce at least a portion
of the noise, wherein each NUC term is associated with a corresponding one of the pixels and is determined based on relative
relationships between the corresponding one of the pixels and associated neighborhood pixels within a selected distance from
the corresponding one of the pixels, wherein the processing comprises:

for each pixel of the image frame, comparing the pixel to each of its associated neighborhood pixels,
for each comparison, adjusting a first counter if the pixel has a value greater than the compared neighborhood pixel,
for each comparison, adjusting a second counter if the pixel has a value less than the compared neighborhood pixel, and
selectively updating the NUC term associated with the pixel based on the first and second counters.

US Pat. No. 9,143,703

INFRARED CAMERA CALIBRATION TECHNIQUES

FLIR Systems, Inc., Wils...

1. A method of calibrating an infrared imaging module, the method comprising:
providing a plurality of temperature controlled environments;
inserting the infrared imaging module into a socket;
transporting the infrared imaging module through the environments;
performing measurements in each environment using a plurality of infrared sensors of the infrared imaging module to receive
infrared radiation associated with each environment; and

determining a plurality of calibration values for the infrared imaging module based on the measurements, wherein each infrared
sensor has an associated calibration value for each of the environments.

US Pat. No. 9,080,720

PAN/TILT TRACKING MOUNT

FLIR Systems, Inc., Wils...

1. A device comprising:
a housing;
a first assembly including a first worm shaft and a first worm wheel, wherein the first worm shaft is coupled to the housing
through bearings and first and second independently adjustable bearing supports attached to corresponding first and second
recesses in first opposing sides of the housing;

a tilt motor mounted external to one of the first opposing sides of the housing, the tilt motor having a tilt motor shaft
received by a first end of the first worm shaft;

a tilt shaft coupled to the first worm wheel, the tilt shaft supported by tilt shaft bearings directly received by the housing;
a second assembly including a second worm shaft and a second worm wheel, wherein the second worm shaft is coupled to the housing
through bearings and third and fourth independently adjustable bearing supports attached to corresponding third and fourth
recesses in second opposing sides of the housing;

a pan motor mounted external to the one of the second opposing sides of the housing, the pan motor having a pan motor shaft
received by a first end of the second worm shaft;

a pan shaft coupled to the second worm wheel, the pan shaft supported by pan shaft bearings directly received by the housing;
and

a base receiving the pan shaft such that rotation of the pan shaft by the second worm wheel rotates the housing with respect
to the base, wherein each bearing support comprises an adjustment mechanism configured to adjust a location of the bearing
support within a corresponding recess to provide independent cross axial position adjustment in two dimensions of one end
of the first or second worm shaft, wherein the adjustment mechanism comprises a plurality of screws threaded into the housing
in the corresponding recess and a corresponding plurality of through holes in each bearing wherein diameters of the plurality
of through holes are larger than corresponding diameters of threaded shafts of the plurality of screws to allow two dimensions
of adjustment of each bearing support location relative to the corresponding recess in the housing to provide for finely adjusting
positions of the first and second worm shafts within the device.

US Pat. No. 9,237,284

SYSTEMS AND METHODS FOR PROCESSING INFRARED IMAGES

FLIR Systems, Inc., Wils...

1. A method of processing infrared image data, the method comprising:
receiving infrared image data associated with a scene, wherein the infrared image data comprises a plurality of pixels arranged
in a plurality of rows and columns, wherein at least a subset of the pixels comprise column noise;

selecting one of the columns;
for each pixel of the selected column, comparing the pixel to a corresponding plurality of neighborhood pixels residing in
the same row as the pixel;

for each comparison, adjusting a first counter if the pixel of the selected column has a value greater than the compared neighborhood
pixel;

for each comparison, adjusting a second counter if the pixel of the selected column has a value less than the compared neighborhood
pixel;

for each comparison, adjusting a third counter if the pixel of the selected column has a value equal to the compared neighborhood
pixel;

determining, based on at least the first, second, and third counters, that an update condition for a column correction term
associated with the selected column is met; and

selectively updating the column correction term in response to the determining that the update condition is met to reduce
the column noise associated with the selected column.

US Pat. No. 9,538,038

FLEXIBLE MEMORY SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A device comprising:
a plurality of components adapted to transfer thermal image data;
a plurality of buses connected to the components; and
a memory system connected to the components by the buses, the memory system comprising:
a plurality of memory buffers, each memory buffer comprising:
a memory block comprising a single interface adapted to support a single read or write operation at a time,
a plurality of ports, wherein each port is adapted to communicate with a corresponding one of the components over a corresponding
one of the buses, and

a switch fabric block adapted to selectively couple the ports with the memory block through the single interface, and
a memory controller adapted to generate control signals to operate the switch fabric block to:
selectively couple a first one of the ports with the memory block to transfer the thermal image data between a first one of
the components and the memory block through the single interface, and

selectively couple a second one of the ports with the memory block to transfer the thermal image data between a second one
of the components and the memory block through the single interface.

US Pat. No. 9,606,016

DEVICES AND METHODS FOR DETERMINING VACUUM PRESSURE LEVELS

FLIR Systems, Inc., Wils...

1. A device, comprising:
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 and
configured to block thermal radiation generated by sources external to the infrared detector from being received by the infrared
detector, wherein the heat shield is configured to receive a current through the contacts to heat the heat shield to a known
temperature, and wherein the infrared detector is configured to provide an output signal associated with a detected temperature
of the heat shield, and wherein the output signal is associated with a vacuum pressure within the device.

US Pat. No. 9,473,681

INFRARED CAMERA SYSTEM HOUSING WITH METALIZED SURFACE

FLIR Systems, Inc., Wils...

1. An apparatus comprising:
a housing adapted to receive an infrared sensor assembly comprising a plurality of infrared sensors configured in a focal
plane array to capture thermal images of a target scene, the housing comprising:

a cover comprising a majority of non-metal material;
a metal layer with disposed on a majority of interior and/or exterior surfaces of the cover; and
wherein the metal layer exhibits a higher thermal conductivity than the cover which reduces non-uniform heating of the infrared
sensor assembly, wherein the metal layer is adapted to attenuate electromagnetic interference emitted by the infrared sensor
assembly and shield the infrared sensor assembly from electromagnetic interference incident on the cover.

US Pat. No. 9,102,776

DETECTION AND MITIGATION OF BURN-IN FOR THERMAL IMAGING SYSTEMS

FLIR Systems, Inc., Wils...

1. A method comprising:
detecting a burn-in event that causes thermal images captured by a focal plane array (FPA) to exhibit a blemish, wherein the
detecting comprises:

performing a first flat field correction (FFC) process to determine first FFC terms,
performing a second FFC process to determine second FFC terms,
comparing the first and second FFC terms,
identifying, based on the comparing, corresponding ones of the first and second FFC terms that exhibit differences greater
than a threshold amount,

identifying one or more pixels corresponding to the identified first and second FFC terms, and
associating the identified pixels with the burn-in event; and
mitigating the blemish in the thermal images.

US Pat. No. 9,565,373

METHOD AND SYSTEM FOR PERFORMING ALIGNMENT OF A PROJECTION IMAGE TO DETECTED INFRARED (IR) RADIATION INFORMATION

FLIR Systems AB, (SE)

1. A method of presenting a visible representation of infrared (IR) radiation information onto an observed real world scene
based on IR radiation emitted from said observed real world scene, using a thermography arrangement comprising an IR imaging
system, a visible light imaging system, and a visible light projecting system, the method comprising:
capturing IR radiation information based on detected IR radiation emitted from said observed real world scene according to
a first field of view of said IR imaging system;

creating a visible representation of said detected IR radiation in the form of an IR image;
projecting a visible light pattern onto said observed real world scene according to a second field of view of said visible
light projecting system, said second field of view at least partially overlapping said first field of view;

capturing a visible light image of said observed real world scene, said scene comprising said projected visible light pattern,
according to a third field of view of said visible light imaging system, said third field of view at least partially overlapping
the first and/or the second field of view;

detecting said projected visible light pattern in said captured visible light image;
determining the pixel displacement d(pix vis), in pixel coordinates in the visible light image, between the pixel coordinates of said detected visible light pattern and
calculated pixel coordinates of said projected visible light pattern where the projected light pattern would appear if the
visible light imaging system and the visible light projecting system were aligned, dependent on a predetermined relation between
said visible light imaging light imaging system and said visible light projecting system;

determining the pixel displacement d(pix IR), in pixel coordinates in the IR image, between the IR image and the visible light image, based on said pixel displacement
d(pix vis) between the detected projected visible light pattern and the visible light image, dependent on a predetermined relation between
said IR imaging system and said visible light projecting system;

aligning said IR image to the detected IR radiation emitted from said observed real world scene, based on said pixel displacement
d(pix IR);

and
presenting said aligned IR image by projecting it onto said real world scene according to the second field of view in alignment
with the detected IR radiation emitted from the observed real world scene.

US Pat. No. 9,377,363

INFRARED CAMERA ARCHITECTURE SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. An infrared camera, comprising:
an infrared detector comprising a focal plane array adapted to capture infrared images;
a substrate;
a plurality of electrical components coupled to the substrate; and
a pedestal made of a thermally conductive material and coupled to the substrate, wherein the infrared detector is supported
by and thermally coupled to the pedestal, the pedestal thermally isolating the infrared detector from the plurality of electrical
components and providing thermal uniformity across the focal plane array of the infrared detector.

US Pat. No. 9,068,960

METHOD AND COMPOSITION FOR DETECTING OXIDIZING SALTS

FLIR Systems, Inc., Wils...

1. A method for determining the presence of an oxidizing salt comprising:
collecting the oxidizing salt with a sampling material;
presenting the sampling material to a sensor assembly, said sensor assembly including a solid substrate carrying a pH sensitive
molecule, the pH sensitive molecule undergoing stimulation by an excitation source, said excitation source emitting light
radiation at wavelengths between about 325 nm and about 700 nm, while monitoring the response of the pH sensitive molecule
to the stimulation with a light sensor suitable for detecting changes in response intensity;

heating the sampling material to a temperature sufficient to induce evaporative dissociation of the oxidizing salt thereby
yielding evaporative dissociation compounds of the oxidizing salt;

passing the evaporative dissociation compounds of the oxidizing salt into said sensor assembly and reacting said pH sensitive
molecule with at least one dissociation compound;

monitoring said pH sensitive molecule with said light sensor to determine any change in response intensity wherein a change
in response intensity indicates the presence of oxidizing salt.

US Pat. No. 9,618,660

INFRARED IMAGING SYSTEM

NALUX CO., LTD., (JP) FL...

1. An infrared imaging system comprising:
an aperture configured to receive infrared radiation having wavelengths of 5 micrometers or greater from an object;
an imaging element;
a single synthetic resin lens disposed between the aperture and the imaging element and configured to pass the infrared radiation
to the imaging element, wherein the synthetic resin lens comprises an object side surface and an image side surface, wherein
the object side surface comprises a convex entry surface in a paraxial area;

wherein the imaging element is configured to receive the infrared radiation from the image side surface of the synthetic resin
lens without another lens disposed between the aperture and the imaging element; and

wherein the system exhibits an F-number of 1.4 or smaller.

US Pat. No. 9,565,371

STRAY LIGHT COMPENSATION TECHNIQUES FOR AN INFRARED CAMERA

FLIR SYSTEMS AB, Taby (S...

1. A method comprising:
making a selection from an infrared (IR) image captured by an IR camera, wherein the selection from the IR image includes
one or more lines, one or more points, or the whole of the captured IR image;

selecting, from each of a plurality of stored stray light images, a portion that corresponds to the selection from the IR
image, wherein the stored stray light images were measured during production of the IR camera for at least two different camera
temperatures against flat radiators and stored in a memory;

low-pass filtering the selection from the IR image;
matching the selection from the IR image against the corresponding selected portion of each stored stray light image by calculating
a factor which makes the most points from the selection from the IR image and the selected portion of each stored stray light
image coincide;

determining, as the matched one of the stored stray light images, the stray light image which contains the selected portion
that best corresponds to the selection from the IR image;

obtaining a stray light map by multiplying the matched one of the stray light images by the calculated factor of the matched
one of the stored stray light images; and

compensating the captured IR image using the obtained stray light map.

US Pat. No. 9,470,779

WIDEBAND SONAR RECEIVER AND SONAR SIGNAL PROCESSING ALGORITHMS

FLIR Systems, Inc., Wils...

1. A wideband sonar receiver, comprising:
a selectable bandpass filter adapted to filter a received sonar signal to produce a filtered signal;
an analog-to-digital converter for converting a version of the filtered signal to provide digitized samples;
a digital basebanding and decimation stage adapted to baseband and decimate the digitized samples to produce baseband samples
of the received sonar signal; and

a correlator adapted to correlate the baseband samples with shaped baseband replica samples, wherein the correlator comprises
a digital signal processor (DSP) configured to divide a frequency-domain version of the shaped baseband replica samples (FSRS)
by a frequency-domain version of the baseband samples (FS) to provide a shaping filter response, to multiply the shaping filter
response by a conjugate of the FSRS to provide a combined correlation and shaping response, and to multiply the FS with the
correlation and shaping response to produce a correlated and shaped signal.

US Pat. No. 9,328,875

SCALABLE LASER WITH SELECTABLE DIVERGENCE

FLIR Systems, Inc., Wils...

1. A device comprising:
an array of diode lasers for providing laser beams;
beam shaping optics for each diode laser; and
wherein a fast axis of each of the diode lasers is rotated with respect to the fast axis of each of the other diode lasers
such that a far-field laser spot formed by all of the diode lasers appears more circular than a laser spot formed by one of
the diode lasers.

US Pat. No. 9,276,161

THERMOGRAPHY CAMERA TUNED TO DETECT ABSORPTION OF INFRARED RADIATION IN A SELECTED SPECTRAL BANDWIDTH

FLIR Systems, Inc., Wils...

1. A device comprising:
a focal plane array comprising a plurality of quantum well infrared photo detectors (QWIPs) adapted to receive radiation from
a survey scene, wherein:

the plurality of QWIPs comprises a plurality of quantum well layers configured to generate a desired photocurrent in response
to the radiation and a plurality of barrier layers alternating with the quantum well layers,

an amount of doping of the quantum well layers, a spacing of quantum wells in the quantum well layers, and thicknesses of
the quantum well layers and the barrier layers are selected for the QWIPs to tune the focal plane array to have a limited
spectral bandwidth with a peak response within a wavelength range of 10.4 ?m to 10.8 ?m and a full width half maximum spectral
bandwidth of less than 0.7 ?m in response to the radiation, and

the less than 0.7 ?m spectral bandwidth of the focal plane array is selected to reduce signal noise substantially outside
the wavelength range of 10.4 ?m to 10.8 ?m associated with operation of the focal plane array and/or an optical band pass
filter.

US Pat. No. 9,247,159

INFRARED CAMERA DETECTION SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. An infrared camera system, comprising:
a sensor adapted to capture a current image of a body of water and a plurality of preceding images of the body of water, wherein
the current image and each preceding image all comprise a plurality of digital pixels; and

a processor adapted to:
determine a plurality of local background models for the plurality of digital pixels in the plurality of preceding images
such that each digital pixel corresponds on a one-to-one basis with the corresponding local background model;

evaluate each digital pixel in the current image with the corresponding local background model; and
detect a petroleum-containing contaminant on the body of water responsive to at least the local background model evaluation
for each digital pixel.

US Pat. No. 9,648,253

PROCEDURE FOR MAPPING WHEN CAPTURING VIDEO STREAMS BY MEANS OF A CAMERA

FLIR Systems AB, Taby (S...

1. A method for mapping when capturing video streams with a camera the method comprising:
recording at least two reference images in production against a black-body radiator at a same temperature for two or more
separate integration times;

storing, in conjunction with an updating of an offset map, details of an integration time for which the offset map has been
updated;

comparing, during operation, an actual integration time with the integration time for a most recent updating of the offset
map;

selecting a recorded reference image, which lies closest to the actual integration time, as a reference;
calculating a compensation per pixel, for a change in the integration time, by linear interpolation between the selected reference
image and the most recently updated offset map, resulting in a compensation map; and

adding the compensation map to an incoming video image.

US Pat. No. 9,875,556

EDGE GUIDED INTERPOLATION AND SHARPENING

FLIR Systems, Inc., Wils...

1. A method comprising:
receiving an image, the image comprising a plurality of pixels with each pixel including a pixel value;
selecting a pixel to be processed;
determining an edge weight and a spatial weight associated with the selected pixel, wherein at least the spatial weight is
determined with a spatial kernel; and

processing the image with at least the edge weight and the spatial weight.

US Pat. No. 9,613,410

GAS VISUALIZATION ARRANGEMENTS, DEVICES, AND METHODS

FLIR Systems AB, Taby (S...

1. A method for gas detection in an infrared (IR) image depicting a scene, the method comprising:
receiving a first IR image depicting the scene captured at a first time instance and a second IR image depicting the scene
captured at a second time instance;

performing image processing operations on image data derived from said first IR image and from said second IR image, to generate
a collection of data representing the location of gas in one of the first or second IR image,

wherein the image processing operations include:
generating a temporal difference image based on the first IR image and the second IR image,
performing edge detection in at least one of the first and the second IR image to provide detected edge information,
creating an edge map comprising the detected edge information, wherein the pixels representing the detected edge information
are assigned a first pixel value and the remaining pixels are assigned a second pixel value, and

generating a processed difference image as part of the collection of data by combining the edge map with the temporal difference
image such that the detected edge information is removed; and

detecting gas within the scene by detecting gas representing pixels in the first or the second IR image based on thresholding
the processed difference image to identify pixel coordinates of the gas representing pixels.

US Pat. No. 9,298,014

IMAGE STABILIZATION SYSTEM

FLIR Systems, Inc., Wils...

1. An image stabilization system, comprising:
an image detector;
a primary mirror configured to receive incoming image data representing an image and reflect the image data toward a secondary
mirror;

a secondary mirror positioned to receive image data reflected by the primary mirror and reflect the image data toward a tertiary
mirror;

a tertiary mirror positioned to receive image data reflected by the secondary mirror and reflect the image data toward the
image detector;

a positioner configured to adjust position and orientation of at least one of the primary, secondary, or tertiary mirrors;
an electronic controller configured to control motions of the positioner to compensate in real time for vibration of a platform
to which the system is mounted; and

a non-imaging detector configured to sense vibration and to transmit data corresponding to the vibration to the controller,
the controller being further configured to respond by compensating in real time for the vibration by controlling the motions
of the positioner;

wherein the primary mirror defines a first axis, and wherein the secondary mirror defines a second axis forming a nonzero
intersecting angle with the first axis.

US Pat. No. 9,235,023

VARIABLE LENS SLEEVE SPACER

FLIR Systems, Inc., Wils...

1. A lens spacing system, comprising:
a lens sleeve with a first end and a second end and an interior surface defining a lens cavity;
a first lens seat that is located on the lens sleeve and adjacent the lens cavity and that is operable to engage a first lens
when the first lens is positioned in the lens cavity;

a plurality of first lens guide channels that are defined by the lens sleeve and positioned in a spaced apart orientation
adjacent the lens cavity and between the first end of the lens sleeve and the first lens seat; and

a plurality of lens positioning features, located on the lens sleeve and adjacent the lens cavity, that have corresponding
surfaces substantially perpendicular to an optical axis of the lens sleeve, wherein the optical axis is oriented from the
first end of the lens sleeve to the second end of the lens sleeve;

wherein a first set of the plurality of lens positioning features are operable to engage a plurality of corner edges of a
second lens to orient the second lens a first distance from the first lens, and wherein a second set of the plurality of lens
positioning features are operable to engage the plurality of corner edges of the second lens to orient the second lens a second
distance from the first lens that is different than the first distance.

US Pat. No. 9,595,087

IMAGE PROCESSING METHOD FOR DETAIL ENHANCEMENT AND NOISE REDUCTION

FLIR Systems AB, Taby (S...

1. An image processing method for detail enhancement and noise reduction, the method comprising:
creating an original image;
calculating an information measure derived solely from the original image, in which the information measure is a spread measure,
an edge detection measure or an entropy measure;

calculating a weighting measure based on the information measure derived solely from the original image, wherein the weighting
measure is greater than zero;

low-pass filtering the original image with a low-pass filter to form a low-pass filtered image, wherein the low-pass filtered
image is formed after the calculating the information measure has begun;

calculating an uncompressed high-pass filtered image by subtracting the low-pass filtered image from the original image;
scaling the uncompressed high-pass filtered image with the weighting measure;
compressing the low-pass filtered image; and
obtaining a detail-enhanced and noise-reduced image by adding the uncompressed high-pass filtered image scaled with the weighting
measure to the compressed low-pass filtered image.

US Pat. No. 9,509,924

WEARABLE APPARATUS WITH INTEGRATED INFRARED IMAGING MODULE

FLIR SYSTEMS, INC., Wils...

1. A wearable apparatus comprising:
a shield configured to protect at least a portion of a user's face from an external environment and pass at least some visible
light from the external environment to the user for viewing the external environment through the shield;

an infrared imaging module comprising a lens and a focal plane array (FPA) configured to capture a thermal image of the external
environment;

a processor configured to convert the thermal image into a user-viewable image of the external environment; and
a projector configured to project the user-viewable image onto an inner surface of the shield for viewing by the user while
wearing the apparatus,

wherein the infrared imaging module is positioned interior to and behind the shield to be protected from the external environment
by the shield.

US Pat. No. 9,577,312

POLARIZATION ALIGNMENT FOR WIRELESS NETWORKING SYSTEMS

FLIR SYSTEMS, INC., Wils...

1. A system comprising:
a first electronic device mounted to a vehicle, wherein the first electronic device is coupled to a first antenna; and
a second electronic device mounted to the vehicle, wherein the second electronic device is coupled to a second antenna, wherein
the second electronic device is adapted to communicate with the first electronic device over a wireless link via, at least
in part, the first and second antennas, and wherein linear polarization components of the first and second antennas are substantially
aligned with a lateral axis of the vehicle.

US Pat. No. 9,292,909

SELECTIVE IMAGE CORRECTION FOR INFRARED IMAGING DEVICES

FLIR Systems, Inc., Wils...

1. A method comprising:
receiving one or more sensor signals associated with motion of a vehicle;
processing the sensor signals to determine relative motion of an infrared imaging device with respect to a scene imaged by
the infrared imaging device, wherein the infrared imaging device is fixed relative to the vehicle; and

selectively performing an infrared image correction process based on the relative motion, wherein the infrared image correction
process comprises:

receiving a blurred infrared image from the infrared imaging device, wherein the blurred infrared image comprises blurred
infrared image data from the scene and noise introduced by the infrared imaging device;

processing the blurred infrared image to determine a plurality of non-uniformity correction (NUC) terms to reduce a portion
of the noise; and

applying the NUC terms to unblurred infrared images captured by the infrared imaging device.

US Pat. No. 9,699,400

SYSTEMS AND METHODS FOR DYNAMIC DATA MANAGEMENT FOR CAMERA SYSTEMS

FLIR SYSTEMS, INC., Wils...

14. A method, comprising:
sending test data via a network from a network camera to a remote device;
receiving, by the network camera, information via the network from the remote device;
determining an available bandwidth of the network to be used for camera operations for the network camera based on the information;
determining camera system properties associated with the network camera;
determining user preferences of a user of the network camera;
providing data management options to the user, wherein each of the data management options includes a package of available
data management settings determined based on the available bandwidth determined for the network camera, the camera system
properties, and the user preferences.

US Pat. No. 9,423,494

WIDEBAND SONAR WITH PULSE COMPRESSION

FLIR Systems, Inc., Wils...

1. A wideband sonar transmitter, comprising:
a power supply;
a pair of switches; and
a wideband transformer having a secondary coil for driving a transducer and a primary coil having a center tap driven by the
power supply, wherein a first end of the primary coil couples to ground through a first one of the switches and a second end
of the primary coil couples to ground through a second one of the switches, and wherein the wideband transformer includes
a secondary coil including 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.

US Pat. No. 9,247,131

ALIGNMENT OF VISIBLE LIGHT SOURCES BASED ON THERMAL IMAGES

FLIR Systems, Inc., Wils...

1. A system comprising:
an infrared imaging module comprising a focal plane array (FPA) configured to capture a thermal image of a scene within a
field of view (FOV) of the infrared imaging module;

a visible light source configured to project a visible light beam having a beam angle that is narrower than and within the
FOV of the infrared imagine module such that the thermal image covers a larger area of the scene than an area to be illuminated
by the visible light beam; and

a processor configured to generate alignment guide information based on a location of a subject in the thermal image of the
scene relative to the area to be illuminated by the light beam;

wherein the visible light source is configured to be selectively directed based on the alignment guide information to substantially
align the visible light source with the subject and project the visible light beam substantially on the subject.

US Pat. No. 9,574,797

STIRLING ENGINE DISPLACER DRIVE

FLIR Systems, Inc., Wils...

1. A cryocooler, comprising:
a regenerator piston having a longitudinal axis;
a drive coupler having a longitudinal axis that is substantially orthogonal to the longitudinal axis of the regenerator piston;
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 aligned orthogonally to a longitudinal axis
for the first pin and to a longitudinal axis for the second pin, and wherein the flattened opposing faces are aligned substantially
parallel to a plane that is orthogonal to a longitudinal axis of a motor shaft coupled to the drive coupler.

US Pat. No. 9,635,285

INFRARED IMAGING ENHANCEMENT WITH FUSION

FLIR Systems, Inc., Wils...

1. A system comprising:
a memory adapted to receive a visible spectrum image of a scene from a visible spectrum imager and a plurality of infrared
images of the scene from an infrared imager; and

a processor configured to communicate with the memory, wherein the processor is configured to:
generate a blurred infrared image from at least one of the plurality of infrared images;
determine, for each row of the blurred infrared image, a corresponding row fixed pattern noise (FPN) correction term;
determine, for each column of the blurred infrared image, a corresponding column FPN correction term;
apply the row and column FPN correction terms to the blurred infrared image to provide a row and column FPN corrected blurred
infrared image;

determine a plurality of non-uniformity correction (NUC) terms based, at least in part, on the row and column FPN corrected
blurred infrared image;

apply the NUC terms to one of the plurality of the infrared images to remove noise from the one of the plurality of the infrared
images to provide a corrected infrared image;

receive control parameters;
derive high spatial frequency content from at least one of the visible spectrum image and the corrected infrared image; and
generate a combined image comprising relative contributions of at least the high spatial frequency content, wherein the relative
contributions are determined in real-time by a user adjusting the control parameters.

US Pat. No. 9,835,445

METHOD AND SYSTEM FOR PROJECTING A VISIBLE REPRESENTATION OF INFRARED RADIATION

FLIR Systems AB, Taby (S...

1. A method of enabling easier interpretation and analysis of an observed real world scene by presenting a visible representation
of infrared (IR) radiation information, based on IR radiation emitted from said observed real world scene, onto said observed
real world scene, using a thermography arrangement comprising an IR imaging system and a visible light projecting system,
the method comprising:
capturing, by said IR imaging system, IR radiation information based on detected IR radiation emitted from said observed real
world scene;

creating a visible representation of said captured IR radiation information;
detecting distance information associated with said observed real world scene in relation to said thermography arrangement;
adjusting said visible representation of said captured IR radiation information based on said detected distance information
such that said adjusted visible representation of said captured IR radiation information, when projected onto said observed
real world scene, is aligned with said detected IR radiation emitted from said observed real world scene; and

projecting, by said visible light projecting system, said adjusted visible representation of said captured IR radiation information
onto said observed real world scene in alignment with said detected IR radiation emitted from said observed real world scene.

US Pat. No. 9,706,137

ELECTRICAL CABINET INFRARED MONITOR

FLIR Systems, Inc., Wils...

1. A monitoring system for a cabinet, the system comprising:
an infrared camera configured to capture thermal images of at least a portion of monitored electrical equipment positioned
in an interior cavity of the cabinet;

a communication interface configured to transmit the thermal images from the infrared camera for external viewing by a user;
an electromagnetic coupler configured to be disposed adjacent to at least one conductor of the monitored electrical equipment
within the cabinet and receive a magnetic field generated concentrically to a current passed by the at least one conductor
of the monitored electrical equipment within the cabinet;

an energy harvesting circuit coupled to the electromagnetic coupler and configured to provide electrical power in response
to a change induced in the electromagnetic coupler by the magnetic field; and

a battery configured to store the electrical power and to power the infrared camera.

US Pat. No. 9,804,031

APPARATUS AND METHOD TO CALCULATE ENERGY DISSIPATED FROM AN OBJECT

FLIR Systems AB, (SE)

1. An apparatus comprising:
a thermal radiation capturing arrangement configured to capture thermal radiation data of an imaged view;
one or more input control units configured to receive manual inputs from a user of the apparatus and further to output the
manual inputs as user input information; and

a processor configured to:
receive the thermal radiation data from the thermal radiation capturing arrangement,
receive the user input information from at least one of the one or more input control units,
determine a radiated temperature reference value and a convection temperature reference value representing temperatures of
an environment surrounding an object in the imaged view, and

calculate an object power value indicative of an amount of energy dissipated from the object in the imaged view based on at
least:

a radiation power value based on at least the radiated temperature reference value and a portion of the thermal radiation
data corresponding to the object, and

a convection power value based on at least the convection temperature reference value and the portion of the thermal radiation
data corresponding to the object.

US Pat. No. 9,635,220

METHODS AND SYSTEMS FOR SUPPRESSING NOISE IN IMAGES

FLIR Systems, Inc., Wils...

1. A method comprising:
receiving a plurality of video image frames;
constructing a plurality of spatiotemporal volumes by stacking together a plurality of image blocks extracted from same or
different spatial positions on different video image frames along a trajectory of estimated motion from the video image frames;

filtering the spatiotemporal volumes, wherein the filtering models both a random noise (RND) component and a fixed pattern
noise (FPN) component in the video image frames to suppress both types of noise, and wherein the filtering is adaptively performed
based at least on the estimated motion captured in each spatiotemporal volume to suppress the FPN component; and

aggregating the image blocks from the filtered spatiotemporal volumes to generate a plurality of filtered video image frames.

US Pat. No. 9,615,147

MULTISENSORY METER SYSTEM

FLIR Systems, Inc., Wils...

1. A multisensory meter system comprising a main unit, a plurality of attachable remote units, and an infrared (IR) camera,
wherein:
each attachable remote unit comprises:
a sensor configured to measure a physical parameter,
a transmitter configured to wirelessly transmit the measured parameter over a respective wireless signal to the main unit,
and

a mechanical interface that allows the attachable remote unit to releasably attach to the main unit;
the main unit and any one of the attachable remote units are configured to form an integral handheld meter while releasably
attached to each other;

the main unit is configured to:
receive the measured parameter over a corresponding wireless signal from any one of the attachable remote units;
process the measured parameter received from any of the attachable remote units; and
wirelessly transmit the measured parameter to the camera; and
the IR camera comprises a display and is configured to:
capture an image of a scene;
receive the measured parameter wirelessly from the main unit or any one of the attachable remote units; and
process the captured image based on the measured parameter and/or display the captured image and the measured parameter on
the display,

wherein the IR camera is separate from the main unit and the attachable remote units;
the plurality of attachable remote units comprise at least one attachable remote unit comprising a different type of sensor
than any other of the attachable remote units; and

each attachable remote unit is configured to transmit its respective wireless signal with a unique identifier or code that
identifies at least a type of the measured parameter.

US Pat. No. 9,807,318

IR CAMERA AND METHOD FOR PROCESSING THERMAL IMAGE INFORMATION

FLIR Systems AB, (SE)

1. A method for processing information from an infrared (IR) detector of an IR camera, the method comprising:
receiving a series of frames of IR data values from said IR detector being operable to detect IR radiation from a scene, said
frames of IR data representing detected IR radiation; and

performing a compression of said frames of IR data values;
wherein each received IR data value together with calibration data uniquely represents measured IR radiation from the scene,
wherein calibration data comprises a unique mapping between the received IR data values and the corresponding measured IR
radiation from the scene;

wherein the compression substantially maintains a radiometric mapping of the received IR data values after compression and
decompression to an original appearance of the received frames; and

wherein the substantially maintained radiometric mapping maps every IR data value to only one temperature value but represents
each temperature value by one IR data value or a plurality of adjacent IR data values.

US Pat. No. 9,797,777

SEQUENTIAL MARKER PLACER

FLIR Systems AB, (SE)

1. A method for marking and analyzing at least one object in an IR image, the at least one object being defined by a specific
temperature pattern, the method comprising:
receiving an IR image of an object scene comprising at least one object;
enabling a first user selection of a first object scene portion in the image;
generating a first input control signal in response to a single interaction with or activation of an input control unit that
indicates the first user selection of the first object scene portion;

in response to the first input control signal:
selecting pixel coordinates of the first object scene portion;
locking and displaying a first marker of a camera on a first object region corresponding to said selected pixel coordinates
in said object scene; and

while the camera is being moved in relation to the object scene, tracking the first object region in a sequence of image frames
based on a temperature data pattern identified for said selected pixel coordinates and displaying the first marker fixed to
the tracked first object region; and

during said tracking and the camera being moved, enabling a second user selection of a second object scene portion in at least
one of the image frames and processing data of said sequence of image frames, whereby dynamic tracking the first object region
is achieved while the second user selection is enabled.

US Pat. No. 9,615,006

INFRARED CAMERA SYSTEMS AND METHODS FOR FACILITATING TARGET POSITION ACQUISITION

FLIR Systems, Inc., Wils...

1. A system, comprising:
a fixed mount camera subsystem comprising a camera, a first target position finder, and a camera positioner, the first target
position finder being configured to determine at least a heading and a range from the fixed mount camera subsystem to a first
target being imaged by the camera;

a portable imaging/viewing subsystem configured to be manually pointed to a chosen direction by a user to image and/or view
a second target, the portable imaging/viewing subsystem comprising a second target position finder configured to determine
at least a heading and a range from the portable imaging/viewing subsystem to the second target being imaged/viewed;

a controller configured to determine a position of the first target based at least on the heading and the range to the first
target from the fixed mount camera subsystem and to determine a position of the second target based at least on the heading
and the range to the second target from the portable imaging/viewing subsystem, wherein the controller is implemented in the
portable imaging/viewing subsystem, the fixed mount camera subsystem, a remote computer system, or any combination thereof;

wherein the fixed mount camera subsystem further comprises a first communication interface configured to receive, over a wired
or wireless communication link, a first signal representing the position of the second target determined by the controller
or the heading and the range to the second target from the portable imaging/viewing subsystem determined by the second target
position finder;

wherein the fixed mount camera subsystem is configured to aim the camera using the camera positioner toward the second target
in response to the determined position of the second target; and

wherein the portable imaging/viewing subsystem further comprises:
a second communication interface configured to receive a second signal representing the position of the first target determined
by the controller or the heading and the range to the first target from the fixed mount camera subsystem determined by the
first target position finder; and

a display configured to provide pointing cues to the user in response to the determined position of the first target to assist
the user in manually pointing the portable imaging/viewing subsystem towards the first target, the pointing cues comprising
at least one of directional arrows or heading and range cues.

US Pat. No. 9,684,963

SYSTEMS AND METHODS FOR DYNAMIC REGISTRATION OF MULTIMODAL IMAGES

FLIR Systems, Inc., Wils...

1. An imaging system, comprising:
a thermal imaging device comprising a thermal imaging module configured to capture a thermal image of an object;
a visible light(VL) imaging device comprising a VL imaging module configured to capture a VL image of the object; and
one or more processors communicatively coupled to the thermal imaging module and the VL imaging module, the one or more processors
configured to:

determine a thermal edge image based on the thermal image, the thermal edge image representing edges and/or contours captured
in the thermal image,

determine a VL edge image based on the VL image, the VL edge image representing edges and/or contours captured in the VL image,
determine, based on the VL edge image and the thermal edge image, a horizontal translation and a vertical translation from
a range of horizontal and vertical translations, such that a correlation between the VL edge image and the thermal edge image
is highest when the VL edge image or the thermal edge is translated according to the horizontal translation and the vertical
translation, and

apply the horizontal translation and the vertical translation to the thermal image or the VL image to correct a parallax error
between the thermal image and the VL image.

US Pat. No. 9,635,284

THERMOGRAPHY CAMERA TUNED TO DETECT ABSORPTION OF INFRARED RADIATION IN A SELECTED SPECTRAL BANDWIDTH

FLIR Systems, Inc., Wils...

1. A device comprising:
a focal plane array comprising a plurality of infrared photo detectors, wherein each infrared photo detector comprises:
a plurality of quantum well layers configured to generate a desired photocurrent in response to infrared radiation; and
a plurality of barrier layers alternating with the quantum well layers,
wherein an amount of doping of the quantum well layers, a spacing of quantum wells in the quantum well layers, and thicknesses
of the quantum well layers and the barrier layers are selected to tune the focal plane array to have a limited spectral bandwidth
with a peak response within a wavelength range of 10.3 ?m to 10.8 ?m and a full width half maximum spectral bandwidth of less
than 0.7 ?m in response to the infrared radiation, and

wherein the less than 0.7 ?m spectral bandwidth of the focal plane array is selected to reduce signal noise substantially
outside the wavelength range of 10.3 ?m to 10.8 ?m associated with operation of the focal plane array and/or an optical band
pass filter.

US Pat. No. 9,618,605

RADAR SYSTEM PROVIDING MULTIPLE WAVEFORMS FOR LONG RANGE AND SHORT RANGE TARGET DETECTION

FLIR Systems, Inc., Wils...

1. A radar system comprising:
a radar unit adapted to broadcast radar signals and receive return signals in response thereto, the radar unit comprising:
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 predetermined repeating transmission
sequence for the radar signals for detection of long range and short range targets, wherein the predetermined repeating transmission
sequence comprises a first pulse transmission period for transmission of one of the pulse waveforms of a first length, a second
pulse transmission period for transmission of one of the pulse waveforms of a second length, and a plurality of FMCW transmission
periods for transmission of the FMCW waveforms;

a power amplifier adapted to amplify the radar signals for broadcast;
an antenna adapted to broadcast the radar signals and receive the return signals; and
wherein the radar unit is adapted to detect the return signals in accordance with a detection sequence comprising a first
pulse detection period following the first pulse transmission period, a second pulse detection period following the second
pulse transmission period, and a plurality of FMCW detection periods interleaved with the FMCW transmission periods.

US Pat. No. 9,632,026

OPTICAL BIOSENSOR REFERENCING METHOD

FLIR Systems, Inc., Wils...

1. A method for measuring a bulk refractive index and a biomolecular interaction in a single sensing region of a biosensing
system comprising the steps of:
injecting a sample comprising an analyte through a flow cell comprising a single sensing region, wherein a first portion of
the sensing region has a ligand immobilized thereon and a second portion of the sensing region is free of immobilized ligand;

following the injection of the sample, interrogating the entire sensing region using monochromatic light over a single range
of increasing reflectance angles thereby generating two or more surface plasmon resonance dips for said single sensing region;

measuring a first response at the first portion and a second response at the second portion as the sample flows over the sensing
region; and

subtracting the second response from the first response to determine a binding response attributed to the interaction of the
analyte with the ligand.

US Pat. No. 9,658,111

MICROBOLOMETER CONTACT SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. An infrared imaging device comprising:
a substrate having a plurality of contacts, each contact comprising:
a first metal layer, disposed at least partially on a surface of the substrate,
at least a portion of a second metal layer, and
a plurality of discrete metal studs each having a first end and a second end and each disposed between the first metal layer
and the second metal layer, wherein the first end of each metal stud is disposed on a portion of the first metal layer that
is at least partially on the surface of the substrate, and wherein the second end of each metal stud is disposed on the second
metal layer;

wherein at least a portion of the second metal layer covers a surface of the second end of each metal stud and wraps around
an outer edge of the surface of the second end of each metal stud, and wherein the portion of the second metal layer that
wraps around the outer edges of the second ends forms a depression in the second metal layer;

an infrared detector array coupled to the substrate via a plurality of legs, wherein each leg is coupled to one of the contacts
via the plurality of discrete metal studs, wherein at least a portion of the second metal layer forms part of a leg metal
layer to couple with an infrared detector within the infrared detector array, and the infrared detector array comprises:

a third metal layer formed on the second metal layer, wherein the third metal layer at least partially fills the depression
in the second metal layer, and

a first passivation layer formed on the third metal layer; and
a readout integrated circuit formed within the substrate.

US Pat. No. 9,984,447

GAS VISUALIZATION ARRANGEMENTS, DEVICES, AND METHODS

1. A method for gas detection in an infrared (IR) image depicting a scene, the method comprising:receiving a first IR image depicting the scene captured at a first time instance and receiving a second IR image depicting the scene captured at a second time instance;
performing image processing operations on image data derived from the first IR image and from the second IR image, to generate a collection of data representing the location of gas in the first IR image;
wherein the image processing operations include:
generating a temporal difference image based on the first IR image and the second IR image,
low-pass filtering the generated temporal difference image, and
generating a processed difference image as part of the collection of data by adding the low-pass filtered temporal difference image to, or by multiplying the low-pass filtered temporal difference image with, the first IR image; and
detecting gas within the scene by detecting gas representing pixels and identifying pixel coordinates of the gas representing pixels based on thresholding of the processed difference image.

US Pat. No. 10,033,945

ORIENTATION-ADAPTED IMAGE REMOTE INSPECTION SYSTEMS AND METHODS

FLIR Systems AB, Taby (S...

1. A method of generating orientation-adapted images in a remote inspection system, the method comprising:capturing an image of a scene by an image-capturing unit of the remote inspection system, wherein said image comprises a frame of image data values;
obtaining a first set of orientation data values from a first orientation sensor of the remote inspection system; and
generating an orientation-adapted image based on said image data values and said first set of orientation data values,
wherein:
said remote inspection system comprises:
an image-presenting unit;
an image-presenting unit servo motor; and
a display system configured to display the generated orientation-adapted image, wherein said display system is comprised in said image-presenting unit, and wherein said first orientation sensor is comprised in said display system; and
said generating the orientation-adapted image comprises:
obtaining a reference coordinate system,
determining a display system coordinate system based on said obtained first set of orientation data values and a calibrated location of the first orientation sensor,
determining a first vertical rotation offset between the reference coordinate system and the display system coordinate system, and
sending a control signal to said image-presenting unit servo motor to rotate said display system to minimize the first vertical rotation offset.

US Pat. No. 9,979,903

STRAY LIGHT COMPENSATION TECHNIQUES FOR AN INFRARED CAMERA

FLIR Systems AB, Taby (S...

1. A method comprising:capturing an infrared (IR) image of a scene;
determining a first IR image frequency pattern associated with the captured IR image, wherein the first IR image frequency pattern comprises first frequency components and associated first frequency component amplitudes;
generating a second IR image frequency pattern based at least on the first IR image frequency pattern and a frequency pattern associated with a stray light model, wherein the frequency pattern associated with the stray light model comprises second frequency components and associated second frequency component amplitudes, wherein the second frequency components comprises a set of principal components and a set of non-principal components, and wherein the generating the second IR image frequency pattern comprises adjusting the first frequency component amplitudes of the first IR image frequency pattern corresponding to the set of non-principal components to obtain the second IR image frequency pattern;
generating a fixed pattern noise (FPN) estimate FPNestt0 for time t0 based at least on the second IR image frequency pattern; and
performing an FPN compensation of the captured IR image based on said FPNestt0 to obtain a stray light compensated IR image.

US Pat. No. 9,971,792

IMAGE RETRIEVAL AND PROCESSING SYSTEMS AND METHODS

FLIR Systems AB, Taby (S...

1. A method comprising:determining, by one or more processors, a reference image depicting a scene;
retrieving, by the one or more processors from a plurality of stored thermal images in a data storage, one or more thermal images based on a similarity measure between the reference image and the one or more thermal images;
determining, by the one or more processors, a measurement location in the reference image; and
for each of the one or more retrieved thermal images:
determining, by the one or more processors, a corresponding measurement location in the respective retrieved thermal image by applying a transformation function that describes a geometric relationship between the measurement location in the reference image and the corresponding measurement location in the respective retrieved thermal image, and
placing, by the one or more processors, a thermographic tool on the corresponding measurement location in the respective retrieved thermal image.

US Pat. No. 10,044,946

FACILITATING ANALYSIS AND INTERPRETATION OF ASSOCIATED VISIBLE LIGHT AND INFRARED (IR) IMAGE INFORMATION

FLIR SYSTEMS AB, Taby (S...

1. A method for enabling improved analysis and interpretation of associated infrared (IR) and visible light (VL) image data in an IR image and a VL image depicting a same scene, said IR image and VL image being captured using a thermography arrangement comprising an IR imaging system and a VL imaging system, the method comprising:capturing an IR image depicting the scene using the IR imaging system, having a first field of view;
capturing a visible light image depicting the scene using the visible light imaging system, having a second field of view different from the first field of view;
in response to activation of a field of view (FOV) follow control, wherein the FOV follow control is selectable by a user to activate or deactivate a FOV follow function for the IR and VL images, processing at least one of the VL image and the IR image, wherein the processing comprises a selection of cropping, windowing, zooming, shifting, and/or rotation such that the field of view represented in the VL image substantially corresponds to the field of view represented in the IR image, thereby generating a resulting IR image and a resulting VL image with the same field of view;
storing in memory the resulting IR image and the resulting VL image as associated images with the same field of view; and
enabling a user to access the associated images for display of a representation of said associated images, wherein the enabling comprises retrieving the associated images with the same field of view from the memory at a later time and displaying the associated images.

US Pat. No. 9,706,139

LOW POWER AND SMALL FORM FACTOR INFRARED IMAGING

FLIR Systems, Inc., Wils...

1. A system comprising:
a focal plane array (FPA) comprising:
an array of infrared sensors adapted to image a scene;
a bias circuit adapted to provide a bias voltage to the infrared sensors, wherein the bias voltage is selected from a range
of approximately 0.2 volts to approximately 0.7 volts; and

a read out integrated circuit (ROIC) adapted to provide signals from the infrared sensors corresponding to captured image
frames.

US Pat. No. 9,891,817

PROCESSING AN INFRARED (IR) IMAGE BASED ON SWIPE GESTURES

FLIR Systems AB, Taby (S...

1. A method comprising:
displaying an infrared (IR) image on a touch screen, wherein the IR image is displayed within a first graphical object of
one or more graphical objects displayed within the touch screen;

receiving an indication of a gesture made on the touch screen;
processing the one or more graphical objects based at least on a location associated with the gesture made on the touch screen,
wherein the processing comprises at least one of:

(i) partitioning the IR image within the first graphical object into first and second parts to process the first or the second
part,

(ii) modifying a size of a second graphical object to a predefined expanded size or a predefined minimized size,
(iii) modifying a temperature range for processing the IR image, or
(iv) modifying one or more parameter ranges for processing the IR image; and
displaying the one or more processed graphical objects on the touch screen.

US Pat. No. 9,891,414

LWIR IMAGING LENS, IMAGE CAPTURING SYSTEM HAVING THE SAME, AND ASSOCIATED METHOD

FLIR SYSTEMS TRADING BELG...

1. An imaging lens for use with an operational waveband over any subset of 7.5-13.5 ?m, the imaging lens comprising:
a first silicon optical element, the first silicon optical element having a front surface and a rear surface; and
a second silicon optical element, the second silicon optical element having a front surface and a rear surface, the front
surface of the second silicon optical element facing the rear surface of the first silicon optical element, wherein

at least two surfaces of the first and second optical elements are optically powered surfaces,
a center thickness of each of the first and second optical elements is greater than 500 ?m and less than 1500 ?m, and
the first and second optical elements are the only elements having optically powered surfaces in the imaging lens.

US Pat. No. 9,706,138

HYBRID INFRARED SENSOR ARRAY HAVING HETEROGENEOUS INFRARED SENSORS

FLIR Systems, Inc., Wils...

1. An infrared sensor assembly comprising:
an array of infrared sensors, the array comprising:
a plurality of microbolometers configured to image a scene, and
at least one non-bolometric sensor configured to detect infrared radiation from at least a portion of the scene, the at least
one non-bolometric sensor being provided among the array in place of one or more microbolometers; and

a substrate coupled to the array, the substrate comprising:
a readout integrated circuit (ROIC) configured to provide signals from the microbolometers corresponding to a captured infrared
image of the scene, the captured infrared image containing at least one blind spot corresponding to the location of the at
least one non-bolometric sensor among the array, and

an output circuit configured to provide signals from the at least one non-bolometric sensor,
wherein the infrared sensor assembly is configured to generate a blended infrared image that has the at least one blind spot
filled based on the captured infrared image and the signals from the at least one non-bolometric sensor.

US Pat. No. 9,723,228

INFRARED CAMERA SYSTEM ARCHITECTURES

FLIR Systems, Inc., Wils...

1. A device comprising:
an infrared imaging module comprising:
a housing configured to engage with a socket;
an infrared sensor assembly within the housing, wherein the infrared sensor assembly comprises a plurality of microbolometers,
wherein each of the plurality of microbolometers is adapted to capture infrared image data from a target scene;

a processing module within the housing and adapted to process the captured infrared image data; and
a lens coupled to and at least partially within the housing and configured to pass infrared energy through to the infrared
sensor assembly.

US Pat. No. 10,089,787

SYSTEMS AND METHODS FOR DISPLAYING INFRARED IMAGES

FLIR Systems AB, Taby (S...

1. A method in a computer system, the method comprising:receiving an infrared (IR) image comprising IR image data values within a first range, wherein the IR image data values of the IR image represent IR radiation emitted from an observed scene;
displaying the IR image on a display at least by mapping IR image data values of the IR image to a first palette of color or grayscale representations according to a first relationship, wherein the first palette comprises a first finite set of color or grayscale representations selected from a color model, and wherein the first relationship defines mappings from different IR image data values within the first range to different color or grayscale representations in the first finite set;
receiving, as a user input signal via an input device, a user indication indicating a local area of interest in the displayed IR image;
determining a first portion of the IR image corresponding to pixels selected from the IR image to represent the local area of interest in the displayed IR image based on the user input signal;
determining minimum and maximum IR image data values in the first portion of the IR image;
determining a second palette comprising a second finite set of color or grayscale representations selected from the color model and a second relationship that defines mappings from different IR image data values within a second range to different color or grayscale representations in the second finite set based on the minimum and maximum IR image data values of the first portion of the IR image, wherein the second range is a subset of the first range, wherein a first portion of the first finite set of color or grayscale representations and a second portion of the second finite set of color or grayscale representations are non-overlapping, wherein at least one of the first finite set or the second finite set comprises color representations, and wherein the second relationship is different from the first relationship; and
generating an augmented image from the IR image at least by mapping the IR image data values of the first portion of the IR image to the second palette according to the second relationship and mapping the IR image data values of a second portion of the IR image that does not correspond to the local area of interest to the first palette according to the first relationship to provide improved visualization of the IR image data values within the local area of interest.

US Pat. No. 9,811,884

METHODS AND SYSTEMS FOR SUPPRESSING ATMOSPHERIC TURBULENCE IN IMAGES

FLIR Systems, Inc., Wils...

1. A method comprising:
receiving a plurality of video image frames;
extracting a plurality of image blocks from same or different spatial positions on the different received video image frames
along motion trajectories, wherein the motion trajectories includes random displacements due to distortion in the received
video image frames;

constructing a plurality of spatiotemporal volumes by grouping the extracted image blocks according to the respective motion
trajectories;

smoothing the motion trajectories to suppress the random displacements; and
aggregating the image blocks according to the smoothed trajectories to generate a plurality of processed video image frames,
wherein at least some of the distortion is suppressed in the processed video image frames.

US Pat. No. 9,723,227

NON-UNIFORMITY CORRECTION TECHNIQUES FOR INFRARED IMAGING DEVICES

FLIR Systems, Inc., Wils...

1. A method of removing noise from image frames captured by an infrared imaging device, the method comprising:
receiving an intentionally blurred image frame, wherein the blurred image frame comprises blurred thermal image data associated
with a scene and noise introduced by the infrared imaging device;

determining, for each row of the blurred image frame, a corresponding row fixed pattern noise (FPN) correction term;
determining, for each column of the blurred image frame, a corresponding column FPN correction term;
applying the row and column FPN correction terms to the blurred image frame to provide a corrected blurred image frame;
processing the corrected blurred image frame to determine a plurality of non-uniformity correction (NUC) terms to reduce a
portion of the noise comprising spatially uncorrelated fixed pattern noise (FPN); and

applying the NUC terms to the captured image frames.

US Pat. No. 9,699,392

IMAGING SYSTEM FOR AN AIRCRAFT

FLIR Systems, Inc., Wils...

1. An imaging system for an aircraft, comprising:
an array of image detectors mounted in a fixed relation to an aircraft having fields of view that partially overlap to create
a wider field of view collectively; and

a processor configured to:
splice a plurality of video images collected by the array of image detectors to generate a spliced frame comprising the wider
field of view;

generate a series of the spliced frames from the plurality of video images collected over a time interval;
receive one or more aircraft orientation signals over the time interval from an attitude sensor coupled to the aircraft; and
select a frame portion from each of the series of spliced frames based at least in part on the one or more orientation signals
such that the selected frame portions each comprise a same angle of view with respect to horizontal during the time interval.

US Pat. No. 9,857,144

ELECTRONIC ADAPTIVE RETICLE SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system comprising:
a scope configured to mount to a firearm, the scope comprising:
an imaging component configured to capture an image of a target scene;
a processing component configured to:
determine an appearance of an adaptive electronic reticle based on at least thermal information associated with the target
scene; and

generate the adaptive electronic reticle; and
a display component configured to display the adaptive electronic reticle.

US Pat. No. 9,807,319

WEARABLE IMAGING DEVICES, SYSTEMS, AND METHODS

FLIR Systems, Inc., Wils...

1. An apparatus, comprising:
a wearable structure;
a plurality of infrared imaging modules mounted around a circumference of the wearable structure, wherein each of the plurality
of infrared imaging modules is configured to capture a thermal image of a scene;

a plurality of alert components mounted around the circumference of the wearable structure; and
one or more processors in communication with the plurality of infrared imaging modules, wherein the one or more processors
are configured to:

detect an object in the scene using the thermal images captured by the plurality of infrared imaging modules;
determine a position of the detected object based on which of the plurality of infrared imaging modules captured the thermal
images with the detected object;

select at least one of the plurality of alert components based at least on the determined position; and
generate a location-specific alert for a wearer of the wearable structure by operating the selected at least one of the plurality
of alert components, wherein the location-specific alert is associated with the position of the detected object.

US Pat. No. 9,726,882

DRIVE ELEMENT FOR AN OPTICAL SYSTEM

FLIR Systems, Inc., Wils...

1. An optical system, comprising:
a motor;
an optical detector;
an optical element positioned or positionable on an optical path extending to the optical detector; and
a linkage that connects operation of the motor to movement of the optical element and the optical detector relative to one
another, the linkage including (a) a shaft having a flat surface region and a cylindrical surface region arranged around the
shaft from one another, and (b) a drive element that operatively connects the shaft to another part of the linkage and including
a clamp having a base to receive at least part of the cylindrical surface region and a retainer attached to the base with
a pair of threaded fasteners that have the flat surface region of the shaft located between them, such that the clamp secures
the drive element to the shaft by engagement of the cylindrical surface region with the base and engagement of the flat surface
region with the retainer.

US Pat. No. 9,887,775

SYNCHRONIZED INFRARED BEACON / INFRARED DETECTION SYSTEM

FLIR Systems, Inc., Wils...

1. A synchronized infrared beacon/infrared detection system, comprising:
an infrared beacon module configured to generate a time-varying encoded infrared signal;
an infrared detector module configured to capture the infrared signal;
wherein the beacon module and/or the detector module are configured to generate a synchronization signal and to provide the
synchronization signal directly between the beacon module and the detector module to control the timing between the beacon
module and the detector module; and

a processor configured to analyze the infrared signal captured by the detector module, wherein the processor is configured
to recognize and decode the infrared signal to provide data communication directly between the beacon module and the detector
module when synchronization based on the synchronization signal is not established between the beacon module and the detector
module.

US Pat. No. 9,813,643

THERMAL RECOGNITION SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. An authentication system comprising:
an imaging device configured to capture a thermal image of a user and a non-thermal image of the user; and
a processor in communication with the imaging device, wherein the processor is configured to:
derive, based on the captured thermal image of the user, a thermal profile indicating temperature variations within an area
of the captured thermal image corresponding to at least a portion of the user;

recognize the user based on the captured thermal image and the captured non-thermal image, wherein the recognize the user
comprises comparing the derived thermal profile against a stored thermal profile associated with the user; and

in response to determining that the user is recognized as an authorized user, authenticate the user by providing the user
access to a secure system and/or alerting security personnel that the user is recognized as an authorized user.

US Pat. No. 10,180,950

IMAGE RETRIEVAL AND PROCESSING SYSTEMS AND METHODS

FLIR Systems AB, Taby (S...

1. A method comprising:receiving, by one or more processors, a thermal image;
generating, by the one or more processors, at least one image descriptor for the thermal image based at least on content of the thermal image;
generating, by the one or more processors, an image file, wherein the image file comprises the thermal image and the at least one image descriptor;
providing, by the one or more processors, the image file for storage in a data storage; and
retrieving, by the one or more processors from the data storage, one or more image files based on a reference image depicting a scene and one or more image descriptors, wherein each of the one or more image files comprises a respective thermal image and a respective set of image descriptors.

US Pat. No. 10,148,895

GENERATING A COMBINED INFRARED/VISIBLE LIGHT IMAGE HAVING AN ENHANCED TRANSITION BETWEEN DIFFERENT TYPES OF IMAGE INFORMATION

FLIR SYSTEMS AB, Taby (S...

1. A method comprising:receiving first and second images depicting a scene and having substantially the same field of view, the first and second images comprising visible light (VL) image information and infrared (IR) image information, respectively;
determining a transition area for an enhanced combined image based on a selection rule, wherein the transition area at least partly overlaps corresponding first and second sets of pixel coordinates of the first and second images, wherein the transition area is less than an entirety of the enhanced combined image; and
generating the enhanced combined image by:
assigning pixel values to the transition area based on a temperature-dependent mixing rule applied to pixel values of the corresponding pixel coordinates of the first and second images to provide an enhanced transition between the VL and IR image information of the scene, and
assigning pixel values to pixel coordinates of the enhanced combined image bordering first and second sides of the transition area based on pixel values of the corresponding first or second set of pixel coordinates of the first image or the second image, respectively.

US Pat. No. 9,741,591

WAFER LEVEL PACKAGING OF MICROBOLOMETER VACUUM PACKAGE ASSEMBLIES

FLIR Systems, Inc., Wils...

1. A method comprising:
providing a bolometer wafer;
providing a lid wafer;
pre-baking the bolometer wafer in at least a first ultra-high vacuum (UHV) environment in a first pre-baking module;
pre-baking the lid wafer in at least a second UHV environment in a second pre-baking module different from the first pre-baking
module, wherein the pre-baking the lid wafer in the second UHV environment comprises pre-baking at a different time, temperature,
and/or vacuum profile than pre-baking the bolometer wafer in the first UHV environment;

moving the bolometer wafer and lid wafer after the pre-baking to a UHV environment in a wafer alignment and bonding module;
mounting the bolometer wafer on a bolometer wafer chuck;
mounting the lid wafer on a lid wafer chuck and in facing opposition to the bolometer wafer;
baking the bolometer wafer at a first temperature using the bolometer chuck;
baking the lid wafer at a second temperature using the lid wafer chuck;
raising the respective temperatures of the bolometer wafer and the lid wafer to a common bonding temperature using the bolometer
and lid wafer chucks;

clamping the bolometer wafer and the lid wafer together with a selected force, such that the wafers are bonded together in
a bonded wafer pair; and

lowering the temperature of the bonded wafer pair below the common bonding temperature,
wherein a vacuum environment is maintained from the pre-baking of the bolometer and lid wafers through the lowering the temperature
of the bonded wafer pair.

US Pat. No. 10,165,202

METHOD AND SYSTEM FOR PERFORMING ALIGNMENT OF A PROJECTION IMAGE TO DETECTED INFRARED (IR) RADIATION INFORMATION

FLIR Systems AB, Taby (S...

1. A method of presenting a visible representation of infrared (IR) radiation information onto a scene based on IR radiation emitted from the scene, using a thermography arrangement comprising an IR imaging system and a visible light projecting system, the method comprising:capturing, using the IR imaging system, IR radiation information based on detected IR radiation emitted from the scene according to a first field of view of said IR imaging system;
creating a visible representation of the detected IR radiation in the form of an IR image;
determining a plurality of distance values representing distances from the thermography arrangement to different points on the observed scene;
modifying the IR image based on the plurality of distance values; and
projecting, using the visible light projecting system, the modified IR image onto the scene according to a second field of view at least partially overlapping the first field of view.

US Pat. No. 9,945,729

SYSTEMS AND METHODS FOR ENHANCED BOLOMETER RESPONSE

FLIR SYSTEMS, INC., Wils...

1. A microbolometer, comprising:a bridge, comprising:
a temperature sensitive resistive layer;
one or more first absorbing dielectric layers above the temperature sensitive resistive layer;
one or more second absorbing dielectric layers below the temperature sensitive resistive layer;
one or more metal layers electrically isolated from the temperature sensitive resistive layer and above the one or more first absorber dielectric layers and/or below the one or more second absorber dielectric layers; and
a dielectric layer disposed on each of the one or more metal layers, wherein each of the metal layers is between the dielectric layer and one of the first absorbing dielectric layers or one of the second absorbing dielectric layers.

US Pat. No. 9,948,878

ABNORMAL CLOCK RATE DETECTION IN IMAGING SENSOR ARRAYS

FLIR SYSTEMS, INC., Wils...

6. A method comprising:adjusting a count value in response to a clock signal, wherein the clock signal is provided to a device;
generating a ramp signal;
comparing the ramp signal with a reference signal;
selecting a first count value of the count value at a first time in response to the comparing of the ramp signal with the reference signal; and
detecting a temperature associated with the device;
providing a temperature-dependent analog signal indicative of the temperature associated with the device;
comparing the ramp signal with the temperature-dependent analog signal;
selecting a second count value of the count value at a second time in response to the comparing of the ramp signal with the temperature-dependent analog signal;
determining a predetermined range for the detected temperature based on the second count value such that a maximum of the predetermined range for the detected temperature decreases as a frequency of the clock signal increases; and
determining if the frequency of the clock signal is within a specified range based on whether the first count value is within the predetermined range for the detected temperature.

US Pat. No. 9,910,239

WAFER LEVEL OPTICAL ELEMENTS AND APPLICATIONS THEREOF

FLIR Systems Trading Belg...

1. A wafer level optical assembly comprising:
a first wafer;
a second wafer coupled to the first wafer;
a first optical element disposed in a perforation of the first wafer and coupled to the first wafer, the first optical element
comprising a first optical surface with a first alignment structure, wherein the first alignment structure is along at least
a portion of a perimeter of the first optical surface and adjacent to the first wafer, and wherein the first alignment structure
comprises a first protrusion; and

a second optical element disposed in a perforation of the second wafer and coupled to the second wafer, the second optical
element comprising a second optical surface with a second alignment structure, wherein the second alignment structure is along
at least a portion of a perimeter of the second optical surface and adjacent to the second wafer, and wherein the second alignment
structure comprises a second protrusion and a recess,

wherein the first protrusion is coupled with the recess such that the first alignment structure and the second alignment structure
are in contact,

wherein the first protrusion and the second protrusion are in contact, and
wherein the first protrusion is disposed in the recess between the second protrusion and the second wafer.

US Pat. No. 9,756,262

SYSTEMS AND METHODS FOR MONITORING POWER SYSTEMS

FLIR Systems, Inc., Wils...

1. A system comprising:
an infrared imaging device having a field of view (FOV) that includes at least a portion of a component of a power system,
the component of the power system comprising a combustion engine or an electrical motor for a vehicle, the infrared imaging
device coupled to or within the vehicle or the power system and comprising infrared sensors arranged as a focal plane array
(FPA) configured to capture a thermal image of the portion of the combustion engine or the electrical motor for the vehicle;

a memory comprising a plurality of executable instructions; and
a processor configured to receive the thermal image and execute the instructions to process the thermal image to generate
monitoring information associated with at least the portion of the combustion engine or the electrical motor for the vehicle.

US Pat. No. 10,073,453

AUTOPILOT AUTORELEASE SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

11. A system comprising:a logic device configured to receive one or more sensor and/or control signals and provide an autopilot release signal for a hydraulic steering system coupled to a mobile structure, wherein the logic device is configured to:
receive control surface angles and autopilot control surface demands corresponding to a control surface for the mobile structure that is actuated by the hydraulic steering system;
receive an angular velocity of the mobile structure corresponding to a direction of motion for the mobile structure generated by the control surface: and
selectively disable an autopilot of the mobile structure by selectively enabling the autopilot release signal based, at least in part, on the angular velocity and the control surface angles and/or the autopilot control surface demands.

US Pat. No. 10,051,210

INFRARED DETECTOR ARRAY WITH SELECTABLE PIXEL BINNING SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A device comprising:a focal plane array (FPA) adapted to capture image frames of a scene, the FPA comprising:
a plurality of bolometers arranged in an array to provide a corresponding plurality of pixels;
a plurality of column lines adapted to supply a bias voltage to the bolometers;
a plurality of row lines adapted to provide a reference voltage to the bolometers; and
a first plurality of switches adapted to selectively connect two or more adjacent column lines to group two or more of the bolometers to form binned bolometers in the array, wherein each binned bolometer comprises a corresponding group of the bolometers and is adapted to provide:
separate output currents from each bolometer of the group while the adjacent column lines are disconnected in a first mode, and
a combined output current from the bolometers of the group while the adjacent column lines are connected in a second mode.

US Pat. No. 9,671,616

OPTICS SYSTEM WITH MAGNETIC BACKLASH REDUCTION

FLIR Systems, Inc., Wils...

8. An imaging system comprising:
a carrier assembly including an optical element and coupled to a first guiderail by a linear bearing;
a second guiderail spaced from and parallel to the first guiderail, the carrier assembly coupled to the second guiderail by
a carriage assembly having a jaw portion at least partially surrounding the second guiderail, a roller bearing rotatably connected
to the carriage assembly and configured to contact the second guiderail, and a magnetic portion configured to bias the roller
bearing against the second guiderail;

wherein the carrier assembly is movable along the first and second guiderails with the roller bearing rotating in substantially
continuous contact with the second guiderail.

US Pat. No. 10,027,173

POWERED SECURITY CAMERA TOOL-FREE INSTALLATION

FLIR Systems, Inc., Wils...

1. A system comprising:an electrical device comprising a camera and disposed external to a building structure;
a first energy transfer unit disposed within the building structure and configured to receive a supply of electrical power and a data signal on a first conductor configured to carry both power and communication signals and transmit the supply of electrical power and the data signal via electromagnetic near-field energy transfer; and
a second energy transfer unit disposed external to the building structure and within a near field of the first energy transfer unit and configured to receive the supply of electrical power and the data signal via electromagnetic near-field energy transfer and conduct the supply of electrical power and the data signal on a second conductor configured to carry both power and communication signals to the electrical device.

US Pat. No. 9,716,844

LOW POWER AND SMALL FORM FACTOR INFRARED IMAGING

FLIR Systems, Inc., Wils...

1. A system comprising:
a sensor assembly implemented as a focal plane array (FPA) comprising:
a low-dropout regulator (LDO) adapted to provide a regulated voltage in response to an external supply voltage;
an array of infrared sensors adapted to image a scene;
a bias circuit connected to the LDO, the bias circuit adapted to provide an adjustable bias voltage to the array of infrared
sensors in response to the regulated voltage;

a read out integrated circuit (ROIC) adapted to provide signals from the infrared sensors corresponding to captured image
frames; and

wherein the LDO, the array of infrared sensors, the bias circuit, and the ROIC are integrated together using a shared substrate.

US Pat. No. 10,033,944

TIME SPACED INFRARED IMAGE ENHANCEMENT

FLIR Systems, Inc., Wils...

1. A system comprising:a first imaging module comprising a first plurality of sensors configured to capture a first image of a scene;
a second imaging module comprising a second plurality of sensors configured to capture a second image of the scene; and
a processor configured to communicate with the first imaging module and the second imaging module and to process the first image and the second image to generate a combined image comprising first characteristics of the scene derived from the first image and second characteristics of the scene derived from the second image; wherein:
the first plurality of sensors comprises a plurality of visible spectrum sensors configured to capture a visible spectrum image of the scene and the first image of the scene comprises the visible spectrum image of the scene; and
the processor and/or the first imaging module are configured to transmit, receive, store, and/or process the visible spectrum image of the scene according to an RGB color space, a YCbCr color space, a YUV color space, a color space derived through conversion from the RGB, YCbCr, and/or YUV color spaces, and/or a color space comprising an intensity component, a brightness component, and/or other color space components.

US Pat. No. 9,973,692

SITUATIONAL AWARENESS BY COMPRESSED DISPLAY OF PANORAMIC VIEWS

FLIR SYSTEMS, INC., Wils...

1. A method for displaying a panoramic view image, the method comprising:obtaining a panoramic image, wherein the panoramic image comprises a central portion and peripheral portions;
applying a mapping function to the peripheral portions of the panoramic image to spatially compress each peripheral portion of the panoramic image based on a continuously increasing compression gradient that increases with distance from the central portion of the panoramic image to obtain, for each peripheral portion, a corresponding spatially compressed peripheral portion; and
displaying, on a display device, the spatially compressed peripheral portions together with the central portion of the panoramic image, wherein, for each spatially compressed peripheral portion, one or more dimensions of the spatially compressed peripheral portion are smaller than a corresponding one or more dimensions of the corresponding peripheral portion to which the mapping function is applied.

US Pat. No. 9,900,526

TECHNIQUES TO COMPENSATE FOR CALIBRATION DRIFTS IN INFRARED IMAGING DEVICES

FLIR Systems, Inc., Wils...

1. A method comprising:
receiving image frames of a scene captured by a focal plane array (FPA) of an infrared imaging device;
detecting an external condition associated with a virtual-shutter non-uniformity correction (NUC) procedure;
processing at least one of the image frames in response to the detected external condition to obtain NUC teams without the
use of a temperature controlled black body; and

storing the obtained NUC terms as one or more snapshots of NUC terms.

US Pat. No. 9,897,645

ILLUMINATOR FOR WAFER PROBER AND RELATED METHODS

FLIR Systems, Inc., Wils...

1. An apparatus comprising:
a plurality of infrared (IR) radiation sources;
a reflector comprising a first reflective surface and a second reflective surface disposed on opposite sides of the reflector
and adapted to receive IR radiation from the IR radiation sources;

an actuator adapted to selectively move the reflector to a plurality of different positions to use the first and second reflective
surfaces, respectively, to direct the IR radiation emitted from different selected ones of the IR radiation sources to devices
on a wafer; and

wherein the apparatus is adapted to be implemented with a wafer prober to test the devices.

US Pat. No. 9,843,743

INFANT MONITORING SYSTEMS AND METHODS USING THERMAL IMAGING

FLIR Systems, Inc., Wils...

1. A monitoring system comprising:
an infrared imaging module comprising a focal plane array (FPA) configured to capture thermal images of a scene within a field
of view (FOV) of the infrared imaging module;

a housing at least partially enclosing the infrared imaging module and configured to be positioned to place at least a portion
of an infant within the FOV; and

a processor in communication with the infrared imaging module and the visible light camera, the processor configured to:
track an oronasal region of the infant in the thermal images;
analyze thermal data in pixels of the thermal images corresponding to the tracked oronasal region to detect a periodic presence
of CO2 gas imaged in the tracked oronasal region represented by a periodic variation in the thermal data;

determine whether the infant is breathing normally based on the analysis of the thermal data in the pixels corresponding to
the tracked oronasal region to detect the periodic presence of the imaged CO2 gas; and

generate monitoring information relating to the infant, the monitoring information comprising an alarm generated in response
to determining that the infant is not breathing normally.

US Pat. No. 9,821,892

WIND SENSOR MOTION COMPENSATION SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system comprising:
a logic device configured to receive one or more sensor signals and determine a sensor-motion compensated relative wind velocity,
wherein the logic device is adapted to:

receive a wind sensor acceleration and a relative wind velocity from a wind sensor mounted to a vehicle, wherein the wind
sensor comprises a wind sensor accelerometer configured to measure an acceleration of the wind sensor and provide the measured
acceleration of the wind sensor as the wind sensor acceleration;

determine a wind sensor velocity from the wind sensor acceleration; and
determine the sensor-motion compensated relative wind velocity based, at least in part, on a combination of the wind sensor
velocity and the relative wind velocity.

US Pat. No. 9,674,458

SMART SURVEILLANCE CAMERA SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system comprising:
a thermal imager comprising a focal plane array (FPA) configured to capture thermal images of a scene;
a light source configured to illuminate the scene;
a camera configured to capture additional images of the scene; and
a processor configured to:
determine a presence of an object in the scene based on the thermal images,
in response to the determined presence of the object, identify the object from among a desired object and a spurious object
by analyzing temperature distribution captured in the thermal images to determine geometric characteristics and thermal characteristics
of the object, and

selectively operate the light source and the camera in response to identifying the desired object in the scene and according
to a predefined association between the identified desired object and corresponding operations to be triggered for the light
source and the camera.

US Pat. No. 9,986,175

DEVICE ATTACHMENT WITH INFRARED IMAGING SENSOR

FLIR SYSTEMS, INC., Wils...

1. A device attachment comprising:a housing configured to releasably attach to a mobile user device to support mobile operation of the device attachment in conjunction with the mobile user device;
an infrared sensor assembly within the housing, the infrared sensor assembly configured to capture thermal infrared image data;
a processing module communicatively coupled to the infrared sensor assembly and configured to provide information associated with the thermal infrared image data to the mobile user device for display by the mobile user device; and
a device connector configured to pass the thermal infrared image data from the processing module to the mobile user device,
wherein the device attachment is configured to capture the thermal infrared image data using the infrared sensor assembly in response to a request received from the mobile user device.

US Pat. No. 9,918,023

SEGMENTED FOCAL PLANE ARRAY ARCHITECTURE

FLIR Systems, Inc., Wils...

1. A system comprising:
a focal plane array (FPA) comprising:
a first die comprising an array of active bolometers adapted to receive infrared (IR) radiation from a scene and a selected
portion of a read-out integrated circuit (ROIC) for the array of active bolometers, the selected portion of the ROIC comprising
analog circuitry configured to provide analog signals in response to the IR radiation received by the array of active bolometers;

a second die comprising a remainder of the ROIC for the array of active bolometers such that components of the ROIC are distributed
between the first and the second die, the first die stacked on top of the second die to expose the array of active bolometers
for receiving the IR radiation;

a plurality of inter-die connections adapted to pass signals between the first die and the second die, wherein the passed
signals are used to generate output values corresponding to the IR radiation received at the array of active bolometers; and

a bias correction circuit implemented on the first die and a low-dropout regulator (LDO) implemented on the second die and
configured to provide a regulated voltage to the bias correction circuit via one or more of the plurality of inter-die connections,
wherein the bias correction circuit is configured to provide the bias voltage to the array of active bolometers in response
to the regulated voltage from the LDO.

US Pat. No. 9,900,478

DEVICE ATTACHMENT WITH INFRARED IMAGING SENSOR

FLIR SYSTEMS, INC., Wils...

1. A device attachment comprising:
a housing configured to releasably attach to a mobile user device to support mobile operation of the device attachment in
conjunction with the mobile user device;

an infrared sensor assembly within the housing, the infrared sensor assembly configured to capture thermal infrared image
data of a scene;

a supplementary component at least partially disposed within the housing, the supplementary component configured to generate
sensor data associated with at least a portion of the scene; and

a processing module communicatively coupled to the infrared sensor assembly and the supplementary component, the processing
module configured to provide information associated with the thermal infrared image data and/or the sensor data to the user
device for display by the mobile user device.

US Pat. No. 9,819,880

SYSTEMS AND METHODS OF SUPPRESSING SKY REGIONS IN IMAGES

FLIR Systems, Inc., Wils...

1. A system comprising:
a memory configured to store an image of a scene including a sky region and a ground region; and
a processor configured to communicate with the memory, the processor configured to:
detect an approximate location of a horizon in the image based on one or more of: a tilt measurement from an orientation sensor,
an edge detection information from processing the image, or pixel coordinates provided by a user;

identify the sky region in the image based on the detected location of the horizon;
assign pixels corresponding to the sky region as sky region pixels and assign remaining pixels as ground region pixels;
receive pixel values indicative of irradiance levels from each of the assigned sky region pixels;
count the number of occurrences of each pixel value of the received pixel values;
select one or more ranges of pixel values having the number of occurrences greater than a predetermined threshold number based
on the counted number of occurrences to determine one or more dynamic ranges attributable to the sky region;

generate a transfer function to apply to the entire image including the sky region and the ground region, the generated transfer
function being configured to compress the one or more dynamic ranges attributable to the sky region and to expand a dynamic
range attributable to the ground region; and

apply the transfer function to the image.

US Pat. No. 9,778,285

ELECTRICAL SENSOR SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. An electrical sensor for determining an electrical property associated with a target object, the electrical sensor comprising:
a flexible probe configured to be looped around to at least partially encircle the target object;
wherein the flexible probe has a proximal end and a distal end, the proximal end terminating in a base portion; and
wherein the base portion comprises:
measurement circuitry housed within the base portion and configured to determine a current and/or voltage associated with
the target object and sensed via the flexible probe; and

a display on an external surface of the base portion, wherein the display is configured to display information associated
with the determined current and/or voltage.

US Pat. No. 9,716,843

MEASUREMENT DEVICE FOR ELECTRICAL INSTALLATIONS AND RELATED METHODS

FLIR Systems, Inc., Wils...

1. A measurement device comprising:
a housing adapted to be hand-held by a user;
an infrared imaging module adapted to capture an infrared image of at least a portion of a work site;
a logic device adapted to determine an electrical parameter associated with an external article and convert the captured infrared
image into a user-viewable image for viewing by the user;

a display screen fixed relative to the housing and adapted to display both the user-viewable image and information indicative
of the determined electrical parameter; and

a memory adapted to store one or more previous electrical parameters and its corresponding infrared image captured by the
infrared imaging module,

wherein the logic device is adapted to overlay the information indicative of the determined electrical parameter onto the
user-viewable image to present both the user-viewable image and the information indicative of the determined electrical parameter
on the display screen, or is adapted to switch between the information indicative of the determined electrical parameter and
the user-viewable image, in response to a user input, to present both the user-viewable image and the information indicative
of the determined electrical parameter on the display screen, and

wherein the logic device is further adapted to recall the stored one or more previous electrical parameters to present, on
the display screen, both current and previous electrical parameters overlaid on a currently captured infrared image of at
least a portion of the same worksite as the one stored in the memory.

US Pat. No. 10,018,609

INFRARED-BASED ICE FORMATION DETECTION SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system comprising:an infrared imaging module;
a communication module; and
a logic device configured to communicate with the infrared imaging module and the communication module, wherein the logic device is configured to:
capture infrared images of a scene using the infrared imaging module;
process the infrared images; and
detect one or more phase transitions of water in the processed infrared images of the scene by generating a list of targets from the infrared images and eliminating false-positive targets in the list having one or more non-conforming transient characteristics in the infrared images of the scene.

US Pat. No. 9,848,134

INFRARED IMAGER WITH INTEGRATED METAL LAYERS

FLIR Systems, Inc., Wils...

1. A system comprising:
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;
a third metal layer disposed above the second metal layer and below the infrared sensors, wherein the third metal layer is
connected to the second metal layer and the infrared sensors;

wherein the first, second, and third metal layers are the only metal layers of the FPA between the infrared sensors and the
circuit components; and

wherein the first, second, and third metal layers are adapted to route signals between the circuit components and the infrared
sensors.

US Pat. No. 9,843,742

THERMAL IMAGE FRAME CAPTURE USING DE-ALIGNED SENSOR ARRAY

FLIR Systems, Inc., Wils...

1. An infrared imaging system comprising:
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 horizontal or vertical feature;

a housing;
wherein the infrared sensor array is permanently positioned within the housing during manufacture to intentionally de-align
the rows and columns from the at least one horizontal or vertical feature while the thermal image frame is captured to distribute
the at least one feature across a plurality of the de-aligned rows and columns;

a processing device adapted to perform a row and column noise reduction process on the captured thermal image frame to determine
and apply row and column fixed pattern noise offset terms to provide a processed thermal image frame, wherein the distribution
of the feature across the de-aligned rows and columns causes the processed thermal image frame to exhibit reduced row and
column noise artifacts resulting from the row and column noise reduction process; and

wherein the permanent position of the infrared sensor array relative to and within the housing is configured to passively
de-align the rows and columns while the infrared imaging system is capturing the thermal image frame, and

wherein the infrared imaging system is adapted to be operated to capture the thermal image frame without rotating the infrared
sensor array from the permanent position.

US Pat. No. 10,140,832

SYSTEMS AND METHODS FOR BEHAVIORAL BASED ALARMS

FLIR Systems, Inc., Wils...

1. A system comprising:a first camera configured to acquire a plurality of first image frames of at least a first scene and output first image data; and
a controller configured to communicate with the first camera and configured to:
receive first period data, wherein the first period data is first image data associated with a first time period,
process the first period data to generate processed first period data of binary images,
analyze the processed first period data to determine a presence of an object of interest within at least one image frame of the processed first period data and highlight the object of interest within the at least one image frame of the processed first period data,
analyze movement of the highlighted object of interest within the at least one image frame of the processed first period data to determine a historical movement pattern of the object within the first scene,
store the historical movement pattern,
receive, after the storing the historical movement pattern, second period data, wherein the second period data is first image data associated with a second time period,
process the second period data to generate processed second period data of binary images,
analyze the processed second period data to determine a presence of the object of interest within at least one image frame of the processed second period data and highlight the object of interest within the at least one image frame of the processed second period data,
analyze movement of the highlighted object of interest within the at least one image frame of the processed second period data to determine a recent movement pattern of the object,
compare the recent movement pattern of the object to the stored historical movement pattern of the object,
determine, responsive to the comparison, that an anomalous trigger condition has been met, and
output an alarm or response message in response to determining that the anomalous trigger condition has been met.

US Pat. No. 10,054,718

SYSTEMS AND METHODS FOR MACHINING MATERIALS

FLIR Systems Trading Belg...

1. A work piece comprising:a feature including at least one spiral pattern with continuously varying radius, the at least one spiral pattern was scribed on the work piece by a tool while varying an angle of rotation of a cutting surface of the tool with respect to the work piece to maintain a substantially constant angle between the cutting surface and a corresponding relative translational movement between the cutting surface and the work piece along the at least one spiral pattern, and continuously varying a dynamic feed rate of the tool with respect to the work piece based on the continuously varying radius of the at least one spiral pattern to substantially maintain a target centripetal acceleration of the tool with respect to the work piece.

US Pat. No. 10,024,953

RADAR SYSTEM PROVIDING MULTIPLE WAVEFORMS FOR LONG RANGE AND SHORT RANGE TARGET DETECTION

FLIR Systems, Inc., Wils...

1. A system comprising: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 predetermined repeating transmission sequence for radar signals broadcast for detection of long range and short range targets;
wherein the predetermined repeating transmission sequence comprises a first pulse transmission period for transmission of one of the pulse waveforms of a first length, a second pulse transmission period for transmission of one of the pulse waveforms of a second length, and a plurality of FMCW transmission periods for transmission of the FMCW waveforms; and
a transmission interface adapted to transmit radar data based on return signals received in response to the radar signals in accordance with a detection sequence comprising a first pulse detection period, a second pulse detection period, and a plurality of FMCW detection periods interleaved with the FMCW transmission periods.

US Pat. No. 9,947,309

SONAR TRANSDUCER SUPPORT ASSEMBLY SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system, comprising:a mounting bracket;
a transducer support arm;
a pivoting mechanism pivotably coupling the transducer support arm to the mounting bracket such that,
for forces acting on the transducer support arm that are less than a preselected kick-up level, the pivoting mechanism holds the transducer support arm against those forces and at a user selectable first angular position relative to the mounting bracket, and
for forces acting on the transducer support arm that are equal to or greater than the preselected kick-up level, the pivoting mechanism allows the transducer support arm to be moved by those forces to a second angular position relative to the mounting bracket; and
an end stop mechanism rotatably disposed on the pivoting mechanism for rotational movement relative to the mounting bracket and the transducer support arm, the end stop mechanism including
a location pin configured to engage within one of a plurality of adjustment holes disposed in the transducer support arm and arrayed in a semicircular pattern about the pivoting mechanism to prevent rotation of the end stop mechanism relative to the transducer support arm, and
a stop tab disposed to abut the mounting bracket when the transducer support arm is disposed in the first angular position to prevent further rotation of the transducer support arm away from the mounting bracket.

US Pat. No. 9,948,872

MONITOR AND CONTROL SYSTEMS AND METHODS FOR OCCUPANT SAFETY AND ENERGY EFFICIENCY OF STRUCTURES

FLIR Systems, Inc., Wils...

1. A system comprising:one or more infrared imaging modules comprising a focal plane array (FPA) configured to:
capture thermal images of an area, and
capture a thermal image frame that comprises thermal image data and noise introduced by the infrared imaging module;
a processor configured to:
determine, for each row of the thermal image frame, a corresponding row fixed-pattern noise (FPN) correction term, and for each column of the thermal image frame, a corresponding column FPN correction term;
apply the row and the column FPN correction terms to the thermal image frame to provide a corrected thermal image frame;
process the corrected image frame to determine a plurality of non-uniform correction (NUC) terms to reduce a portion of the noise comprising spatially uncorrelated FPN,
apply the NUC terms to the thermal images,
perform an analysis of the thermal images,
determine a presence of one or more persons present in the area based on the analysis of the thermal images,
identify one or more objects in the area,
determine respective power usage states associated with the one or more objects in the area based on the analysis of the thermal images, and
generate control signals to control future power usage associated with the one or more objects in response to the presence of one or more persons present in the area and the determined power usage states respectively associated with the one or more objects; and
a network interface component (NIC) configured to transmit the control signals to control the future power usage of the one or more objects.

US Pat. No. 9,900,524

CAMERAS WITH ON-BOARD REPORTING CAPABILITIES

FLIR Systems, Inc., Wils...

1. A method for preparing a thermography report on-board an infrared camera, the method comprising:
capturing at least one infrared image and at least one visual image by the infrared camera;
preparing, by a built-in processor within the infrared camera, the thermography report including the at least one infrared
image and the at least one visual image based on at least one report template stored within the infrared camera;

presenting, by a built-in graphical user interface of the infrared camera, a first tab selectable by a user to access edit
functions for the at least one infrared image and a second tab selectable by the user to access edit functions for the at
least one visual image, wherein the edit functions for the at least one infrared image includes at least one edit function
different from the edit functions for the at least one visual image;

editing the at least one infrared image and the at least one visual image included in the thermography report on-board the
infrared camera based on user instructions received via the built-in graphical user interface of the infrared camera; and

storing, by and within the infrared camera, the thermography report in a standard file format, wherein the standard file format
is substantially universally readable by personal computing devices.

US Pat. No. 9,871,999

MODULAR CAMERA MONITORING SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A monitoring system comprising:
a modular camera adapted to interface with an application-specific base, wherein the modular camera comprises an imaging module,
a communication module, a memory, and a processor in communication with the imaging and communication modules and the memory,
and wherein the processor is adapted to:

establish a communication link with the application-specific base;
download a monitoring system application corresponding to the application-specific base from the application-specific base
to the modular camera, the monitoring system application comprising machine executable software instructions, the monitoring
system application is downloaded from the application-specific base to the modular camera when the modular camera is physically
mounted to the application-specific base; and

perform the monitoring system application by executing the software instructions to capture monitoring information, wherein
the monitoring information comprises image data captured by the imaging module according to the monitoring system application.

US Pat. No. 9,774,797

MULTI-SENSOR MONITORING SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system comprising:
a solar-blind ultraviolet light imaging sensor configured to capture ultraviolet image data of at least a portion of electrical
equipment;

an infrared light imaging sensor configured to capture infrared image data of at least the same portion of the electrical
equipment;

a memory configured to store the ultraviolet image data and the infrared image data;
a processor in communication with the memory and configured to:
receive the ultraviolet image data and the infrared image data from the memory;
combine, by the processor, the ultraviolet image data and the infrared image data to generate combined image data; and
detect, by the processor, at least one of a corona discharge, a corona failure, or a temperature anomaly associated with the
electrical equipment using the combined image data; and

wherein the memory is configured to store the combined image data.

US Pat. No. 9,729,802

INFRARED CAMERA SYSTEMS AND METHODS FOR MARITIME APPLICATIONS

FLIR Systems, Inc., Wils...

1. An imaging system comprising:
a first infrared camera configured to be mounted at a first position on a watercraft to capture first infrared images of a
first field of view around at least a portion of a perimeter of the watercraft;

a second infrared camera configured to be mounted at a second position on the watercraft to capture second infrared images
of a second field of view around at least another portion of the perimeter of the watercraft; and

a processing component configured to perform specific image processing operations on the captured first and second infrared
images to detect an object in water around the perimeter of the watercraft.

US Pat. No. 10,110,833

HYBRID INFRARED SENSOR ARRAY HAVING HETEROGENEOUS INFRARED SENSORS

FLIR Systems, Inc., Wils...

1. An infrared sensor assembly comprising:an array of infrared sensors, the array comprising:
a plurality of microbolometers configured to image a scene, and
at least one non-bolometric sensor configured to detect infrared radiation from at least a portion of the scene; and
a substrate coupled to the array, the substrate comprising:
a readout integrated circuit (ROIC) configured to provide first signals from the microbolometers corresponding to a captured infrared image of the scene,
an output circuit configured to provide second signals from the at least one non-bolometric sensor corresponding to the infrared radiation, and
a processor configured to radiometrically calibrate the microbolometers based on the second signals provided by the output circuit.

US Pat. No. 10,067,071

ANALYTE SPATIAL DETECTION SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system comprising:an imaging module configured to image a spatial volume for electromagnetic radiation in at least one selected spectrum;
a visible light projector configured to generate visible light and project it within the spatial volume;
one or more position and/or orientation sensors configured to measure respective positions and/or orientations of the imaging module and/or the visible light projector; and
a logic device configured to communicate with the imaging module and the visible light projector, wherein the logic device is configured to:
receive the respective positions and/or orientations of the imaging module and/or the visible light projector from the position and/or orientation sensors;
receive image data corresponding to the spatial volume from the imaging module;
process the received image data to detect a presence and spatial extents of an analyte within the spatial volume; and
control the visible light projector to project an analyte indicator on a surface within the spatial volume so as to account for the respective positions and/or orientations of the imaging module and/or the visible light projector, wherein the projected analyte indicator is configured to indicate the spatial extents of the analyte.

US Pat. No. 10,070,074

VECTOR PROCESSING ARCHITECTURES FOR INFRARED CAMERA ELECTRONICS

FLIR Systems, Inc., Wils...

1. An infrared imaging system comprising:an infrared imaging sensor configured to provide infrared image data comprising a plurality of pixels; and
a main electronics block implemented as a system-on-a-chip (SOC) and comprising:
a sensor interface circuit configured to receive the infrared imaging data from the infrared imaging sensor;
a plurality of vector processors configured to operate in parallel on respective vector arrays, wherein each vector processor of the plurality of vector processors comprises vector functional units configured to selectably provide a number of lanes for processing the respective vector arrays associated with the vector processor; and
at least one local memory communicatively coupled to the plurality of vector processors, the at least one local memory being addressable and directly accessible by the plurality of vector processors to store and access at least a portion of the infrared image data comprising the plurality of pixels;
wherein a first vector processor of the plurality of vector processors is configured to execute a first set of vector instructions on the plurality of pixels and accessed from the at least one local memory to perform one or more operations of a video processing chain for the infrared image data; and
wherein a second vector processor of the plurality of vector processors is configured to execute a second set of vector instructions on the plurality of pixels accessed from the at least one local memory to perform one or more operations of video analytics for the infrared image data, the second set of vector instructions being different from the first set of vector instructions.

US Pat. No. 10,020,343

WAFER-LEVEL BACK-END FABRICATION SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

14. A method of fabricating an infrared focal plane array, comprising:providing a wafer comprising a substrate and an antireflective coating;
mounting the wafer to a carrier wafer;
thinning the substrate;
forming one or more detector layers over the substrate, and
singulating the wafer and the carrier wafer into individual dies;
wherein the thinning and the forming are performed at a wafer level.

US Pat. No. 9,996,748

EMITTER TRACKING SYSTEM

FLIR Systems, Inc., Wils...

1. An emitter tracking system, comprising:a signal detection module including imaging optics, an optical filter, and a first detector, such that the signal detection module is configured to detect an emitter signal generated by an emitter, the emitter signal including a plurality of flashes;
an imaging module including a second detector and one or more optical elements, such that the imaging module is configured to capture images of the emitter upon receiving an activation signal; and
a processor configured to receive the emitter signal from the signal detection module, analyze the emitter signal, and transmit the activation signal to the imaging module only if the emitter signal includes a predetermined pattern of flashes, the predetermined pattern being defined by “on” and “off” states of the emitter as a function of time;
wherein the predetermined pattern of flashes is coded by changing the “on” and “off” pattern over time to prevent unauthorized tracking, and
wherein the processor is configured to synchronize the imaging module with the emitter signal, such that the imaging module captures images at times when the emitter is known to be in an “on” state.

US Pat. No. 10,147,750

OPTICAL IMAGING APPARATUS AND METHODS OF MAKING THE SAME

FLIR Systems Trading Belg...

1. An optical imaging apparatus comprising:a first optical subassembly comprising:
a radiation transmissive substrate;
a first optical layer provided on the radiation transmissive substrate;
a second optical layer, wherein the radiation transmissive substrate is disposed between the first and second optical layers; and
a first spacer constructed of a material operable to absorb one or more wavelengths of electromagnetic radiation passing through the first optical subassembly,
wherein the first spacer of the first optical subassembly comprises an aperture,
wherein the second optical layer is coupled to a top surface of the first spacer of the first optical subassembly and disposed between the radiation transmissive substrate and the first spacer, and
wherein the radiation transmissive substrate and the first and second optical layers are disposed above the top surface of the first spacer; and
a sensor subassembly comprising at least one sensing element and a second spacer comprising a composite construction of two or more materials coupled to one another wherein the second spacer of the sensor subassembly comprises an aperture such that the second spacer does not interfere with the electromagnetic radiation passing from the first and second optical layers to the at least one sensing element;
wherein the second optical layer is disposed on an inner side of the radiation transmissive substrate facing the sensor subassembly and the top surface of the first spacer,
wherein the second optical layer comprises a first curved portion that forms a convex surface extending away from the radiation transmissive substrate,
wherein the second optical layer further comprises flat portions coupled to the top surface of the first spacer and a tapered portion on each side of the first curved portion and tapering toward the radiation transmissive substrate in a direction toward the first curved portion, each tapered portion being adjacent to one of the flat portions, the first curved portion being adjacent to each tapered portion,
wherein a surface of the first curved portion farthest away from the radiation transmissive substrate is above the top surface of the first spacer,
wherein the first spacer of the first optical subassembly is coupled to the second spacer of the sensor subassembly, and
wherein the first and second optical layers are configured to focus the electromagnetic radiation at or near the at least one sensing element.

US Pat. No. 9,958,332

BOLOMETER CIRCUITRY AND METHODS FOR DIFFERENCE IMAGING

FLIR Systems, Inc., Wils...

1. A bolometer circuit, comprising:an array of bolometers each configured to generate a pixel signal in response to a bias applied and incident infrared (IR) radiation received at the each bolometer, wherein each column of the array of bolometers comprises:
an amplifier having an input and an output,
a first plurality of switches each configured to selectively provide a supply voltage to a respective one of the bolometers of the each column,
a second plurality of switches each configured to selectively route a difference of the pixel signals of a respective adjacent pair of the bolometers of the each column to the input of the amplifier, and
a third plurality of switches each configured to selectively provide a common voltage to a respective one of the bolometers of the each column; and
a control circuit configured to generate control signals for the first, second, and third pluralities of switches to obtain, at the output of the amplifier of each column, a difference signal representative of the difference of the pixel signals for a selected adjacent pair of the bolometers of each column.

US Pat. No. 9,900,517

INFRARED BINOCULAR SYSTEM WITH DUAL DIOPTER ADJUSTMENT

FLIR Systems, Inc., Wils...

1. A binocular system, comprising:
a housing;
a left and a right input optics coupled to the housing;
a left camera comprising a left sensor and a right camera comprising a right sensor that create left and right video signals
from detected optical radiation received from the corresponding left and right input optics about a same field of view along
respective left and right input optical axes that are parallel to and offset from each other, at least one of the cameras
including a sensor that is sensitive to infrared radiation, wherein the left and right cameras are coupled to and within the
housing, wherein the left and right sensors are configured to independently move to change a length of an optical path relative
to the corresponding left and right input optics, and wherein the left and right input optics are configured to be stationary
while the left and right sensors move; and

a left display and a right display coupled to and within the housing and arranged to be viewed by a pair of eyes of a user
and configured to present left and right video images formed with visible light based respectively on the left and right video
signals,

wherein each left and right display is operatively connected to a respective left and right eyepiece,
wherein the left and right eyepiece are adjustable independently of each other by moving the left and/or right display and
associated eyepiece in a direction orthogonal to respective left and right output optical axes; and

wherein a focus of the left and right eyepiece is adjustable independently of each other by moving the corresponding display
along respective left and right output optical axes while the left and right eyepiece remains stationary.

US Pat. No. 9,822,439

DEPOSITION SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system, comprising:
a processing chamber for a deposition process;
a cathode within the chamber, wherein the cathode comprises gas inlets to receive a sputter gas and a reactive gas and gas
channels operatively associated with the gas inlets to deliver the sputter gas and the reactive gas adjacent to a target,
wherein the gas channels comprise a center gas channel and two or more side gas channels configured to deliver the sputter
gas and/or the reactive gas from gas channel openings at a center surface and two or more side surfaces of the target for
the deposition process;

a substrate holder, disposed opposite the cathode within the processing chamber, configured to secure a substrate to receive
a deposition from the target, wherein the substrate holder is electrically isolated from the processing chamber and surrounding
shielding of the substrate holder; and

a control system configured to monitor a target voltage and to control a flow rate of the reactive gas to maintain the target
voltage within a desired range during the deposition process.

US Pat. No. 9,762,823

IMAGER WITH INCREASED READOUT CAPACITANCE

FLIR SYSTEMS, INC., Wils...

1. A dual-mode image sensor having a normal mode of operation and a high-capacitance mode of operation, comprising:
an array of image detectors arranged in detector rows and detector columns;
a corresponding array of unit cells arranged in corresponding unit cell rows and unit cell columns, wherein each unit cell
is associated with a particular one of the image detectors and wherein each unit cell includes a charge storage region for
integrating charges generated by at least one of the image detectors; and

a plurality of switches, wherein each switch is coupled between the charge storage regions of two of the unit cells and wherein
the plurality of switches are operable to switch the dual-mode image sensor between the normal mode of operation and the high-capacitance
mode of operation.

US Pat. No. 9,756,264

ANOMALOUS PIXEL DETECTION

FLIR Systems, Inc., Wils...

1. A method comprising:
receiving an infrared image frame captured by a plurality of infrared sensors based on infrared radiation passed through an
optical element configured to exhibit an Airy disk diffraction pattern in response to a point source, wherein a width between
minima of the Airy disk is greater than a width of at least two adjacent ones of the infrared sensors;

selecting a first pixel of the infrared image frame;
selecting a second pixel of the infrared image frame adjacent to the first pixel;
processing values of the selected first pixel and the selected second pixel to determine whether a ratio of the values of
the selected first and second pixels exceeds a maximum ratio associated with the configuration of the optical element and
the infrared sensors; and

selectively designating the selected first pixel as an anomalous pixel based on the processing.

US Pat. No. 10,298,859

ENHANCED VISUAL REPRESENTATION OF INFRARED DATA VALUES

FLIR Systems AB, Taby (S...

1. A method comprising:receiving an infrared (IR) image frame comprising IR data values captured by a detector comprising a plurality of detector elements, wherein the IR image frame comprises, for each detector element, a pixel having an assigned one of the IR data values representing a temperature value associated with infrared radiation emitted from an observed scene and received by the detector element;
converting the IR image frame to a visible image frame according to a color model by:
assigning, to each pixel, (i) a color value selected from a plurality of color values corresponding to at least one color-representing component based on the IR data value of the pixel and according to a first mapping between IR data values representing temperatures and color-representing component values from a palette, each of the plurality of color values corresponding to a different IR value range, the color value selected for the pixel corresponding to a particular IR value range comprising the IR data value of the pixel, the first mapping being invariable with respect to a range of the captured IR data values in the IR image frame so as to maintain a fixed temperature-to-color mapping, and (ii) a grayscale value corresponding to a grayscale-representing component according to a second mapping based on the IR data value of the pixel with respect to other IR data values within the particular IR value range associated with the pixel, and
generating, for each pixel, a visible pixel value by combining the corresponding color value and the corresponding grayscale value assigned to the pixel; and
displaying the visible image frame by presenting, for each pixel in the IR image frame, the corresponding visible pixel value.

US Pat. No. 10,203,483

LWIR IMAGING LENS, IMAGE CAPTURING SYSTEM HAVING THE SAME, AND ASSOCIATED METHOD

FLIR SYSTEMS TRADING BELG...

1. An imaging lens for use with an operational waveband over any subset of 7.5-13.5 ?m, the imaging lens comprising:a first optical element of a first high-index material, the first optical element having an object side surface and an image side surface and a first maximum peak to peak thickness between the object and image side surfaces; and
a second optical element of a second high-index material, the second optical element having an object side surface and an image side surface and a second maximum peak to peak thickness between the object and image side surfaces, the object side surface of the second optical element facing the image side surface of the first optical element, wherein
maximum peak to peak thicknesses of all optical elements in the imaging lens are within 3 percent of each other, and
the first and second high-index materials having a refractive index greater than 2.2 in the operational waveband, an absorption per mm of thickness less than 75% in the operational waveband, and an absorption per mm of thickness greater than 75% in a visible waveband of 400-650 nm.

US Pat. No. 10,080,500

SYSTEMS AND METHODS FOR MONITORING SUN EXPOSURE

FLIR Systems, Inc., Wils...

1. A system, comprising:a thermal imaging module configured to capture a thermal image of a person's skin; and
a processor configured to detect, based on the thermal image, whether the person's skin is at risk of or has experienced overexposure to ultraviolet radiation based on a detected temperature of the person's skin from the thermal image, a detected change in temperature of the person's skin over time as determined from the thermal image and at least one additional thermal image, and/or a detected temperature difference between a first portion of the person's skin and a second portion of the person's skin from the thermal image, wherein the processor is further configured to generate an overexposure alert if it is determined that the person's skin is at risk of or has experienced overexposure to ultraviolet radiation.

US Pat. No. 9,921,385

OPTICAL BARREL ASSEMBLY, CAMERA INCLUDING THE SAME, ANALYTE DETECTOR INCLUDING THE SAME, AND ASSOCIATED METHODS

FLIR SYSTEMS, INC., Wils...

1. An optical barrel assembly, comprising:
a barrel having an inner bottom surface and an inner lateral surface extending from the inner bottom surface, the inner bottom
and lateral surfaces defining a cylindrical housing;

a first element surrounded by the inner lateral surface of the barrel, wherein a polygonal outer perimeter of the first element
has a different shape than a perimeter defined by the cylindrical housing, and wherein the polygonal outer perimeter has straight
side surfaces facing outward and towards the inner lateral surface of the barrel; and

wherein the inner bottom surface of the barrel includes a pocket having a polygonal interior perimeter having straight side
surfaces facing inwards and away from the inner lateral surface of the barrel, with the first element within the pocket such
that the polygonal interior perimeter straight side surfaces face the polygonal outer perimeter straight side surfaces of
the first element.

US Pat. No. 10,255,662

IMAGE PROCESSING METHOD FOR DETAIL ENHANCEMENT AND NOISE REDUCTION

1. An image processing method for detail enhancement and noise reduction, the method comprising:calculating an information measure derived from original image information, in which the information measure is a spread measure or an entropy measure;
calculating a weighting measure based, at least in part, on the information measure derived from the original image information, wherein the weighting measure is greater than zero and is calculated on the basis of scaling with a constant with the calculated information measure as input data;
applying a low-pass filter to an original image to form a low-pass filtered image;
calculating an uncompressed high-pass filtered image by subtracting the low-pass filtered image from the original image;
scaling the uncompressed high-pass filtered image with the weighting measure;
compressing the low-pass filtered image; and
obtaining a detail-enhanced and noise-reduced image by adding the uncompressed high-pass filtered image scaled with the weighting measure to the compressed low-pass filtered image.

US Pat. No. 10,101,600

SYSTEMS AND METHODS FOR AMPLIFICATION OF BACK-SCATTERED SIGNAL BY LASER SOURCE CAVITY

FLIR Systems, Inc., Wils...

1. A laser system, comprising:a laser source configured to transmit a source laser light, the laser source including a laser cavity configured to provide optical feedback to generate the source laser light;
a beam-splitter positioned to receive the source laser light transmitted from the laser source to split the source laser light into a reference laser light and a split source laser light;
a modulator positioned to receive the split source laser light and configured to modulate a frequency of the split source laser light in response to a waveform provided by a waveform generator,
wherein at least a portion of the frequency-modulated source laser light is transmitted towards a target and reflected from the target as a reflected laser light;
wherein the modulator and the beam-splitter are positioned such that the reflected laser light is received, frequency-modulated, and passed to the laser cavity via the modulator and the beam-splitter;
wherein the laser cavity is configured to amplify the reflected laser light received via the modulator and the beam-splitter and to transmit the amplified reflected laser light towards the beam-splitter, such that at least a portion of the amplified reflected laser light follows a same path as the reference laser light; and
wherein the laser system further comprises a photo detector configured to receive both the reference laser light and the at least a portion of the amplified reflected laser light, the photo detector being configured to detect a beating frequency as an indication of a presence of the reflected laser light.

US Pat. No. 10,057,509

MULTIPLE-SENSOR IMAGING SYSTEM

FLIR Systems, Inc., Wils...

1. An imaging system, comprising:input optics configured to receive incident radiation along an input optical axis;
a first optical sensor and a second optical sensor, each configured to detect the incident radiation;
a rotating member positioned between the first and second optical sensors and configured to rotate about the input optical axis; and
a reflector coupled to the rotating member configured to be selectively positionable by the rotating member to a first orientation, in which the reflector directs the incident radiation along a first secondary axis to the first optical sensor, and to a second orientation, in which the reflector directs the incident radiation along a second secondary axis toward the second optical sensor.

US Pat. No. 9,998,697

SYSTEMS AND METHODS FOR MONITORING VEHICLE OCCUPANTS

FLIR Systems, Inc., Wils...

1. A vehicle-mountable thermal imaging system comprising:an infrared imaging device configured to be installed in an interior compartment of a vehicle and comprising a focal plane array (FPA) configured to capture thermal images comprising pixels representing thermal radiation variations in at least a portion of the interior compartment; and
a processor configured to:
analyze the thermal radiation variations represented in the pixels of the thermal images;
detect one or more regions-of-interest (ROIs) in the thermal images based on the analysis of the thermal radiation variations;
analyze geometric and thermal properties of the one or more detected ROIs;
determine, based on the analysis of the geometric and thermal properties of the detected ROIs, temperature profiles of one or more objects present in the portion of the interior compartment and approximate sizes and/or shapes of the one or more objects;
determine whether one or more unwanted occupants are present in the interior compartment based on the determination of the temperature profiles and the approximate sizes and/or shapes of the one or more objects.

US Pat. No. 10,249,032

INFRARED RESOLUTION AND CONTRAST ENHANCEMENT WITH FUSION

FLIR Systems AB, Taby (S...

1. An imaging system, comprising:an infrared (IR) imaging device configured to capture an IR image representing a scene;
a visual imaging device configured to capture a visual image of at least a portion of the scene, wherein optical axes of the IR imaging device and the visual imaging device are located at a distance and an angle from each other; and
a processor configured to:
align the IR image with the visual image at least by compensating for a parallax and/or pointing errors due to the optical axes being located at the distance and the angle;
locate contours and/or edges from the visual image to obtain image data representing the located contours and/or edges; and
modify a luminance component of the IR image based on the image data representing the located contours and/or edges from the visual image to enhance the IR image.

US Pat. No. 10,122,944

LOW POWER AND SMALL FORM FACTOR INFRARED IMAGING

FLIR Systems, Inc., Wils...

1. A system comprising:a focal plane array (FPA) comprising:
an array of infrared sensors adapted to image a scene, wherein a size of the array of infrared sensors is less than or equal to 160 by 120; and
a read out integrated circuit (ROIC) adapted to provide signals from the infrared sensors corresponding to captured image frames; and
a bias circuit adapted to provide a bias voltage of approximately 0.2 volts to approximately 0.7 volts to the infrared sensors in response to a regulated voltage of approximately 1.5 volts to approximately 2.8 volts.

US Pat. No. 10,091,439

IMAGER WITH ARRAY OF MULTIPLE INFRARED IMAGING MODULES

FLIR Systems, Inc., Wils...

1. An imaging system comprising:a system housing;
an imager array disposed in the system housing and adapted to image a scene, wherein the imager array comprises a base and a plurality of infrared imaging modules arranged in an array comprising a plurality of rows and a plurality of columns, wherein each infrared imaging module comprises:
a module housing,
an optical element fixed relative to the module housing and adapted to receive infrared radiation from the scene, and
a plurality of infrared sensors in a focal plane array (FPA) adapted to capture an image of the scene based on the infrared radiation received through the optical element; and
wherein the infrared imaging modules are arranged within the system housing in a multi-level staggered configuration such that first and second levels of the infrared imaging modules including the plurality of infrared sensors are disposed at corresponding first and second distances from the base, wherein the first distance is different than the second distance.

US Pat. No. 9,961,277

INFRARED FOCAL PLANE ARRAY HEAT SPREADERS

FLIR Systems, Inc., Wils...

1. An infrared (IR) sensor module, comprising:an IR sensor assembly, including:
a substrate;
a microbolometer array disposed on an upper surface of the substrate; and
a cap disposed on the upper surface of the substrate and hermetically enclosing the microbolometer array;
a base disposed below the substrate; and
a heat spreader having a generally planar portion interposed between a lower surface of the substrate and an upper surface of the base.

US Pat. No. 10,191,153

AUGMENTED REALITY SONAR IMAGERY SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system comprising:a portable imaging device comprising a display and an imager position and/or orientation sensor (IPOS);
a sonar transducer assembly adapted to be mounted to a mobile structure and placed in a body of water; and
a logic device in communication with the sonar transducer assembly and the portable imaging device, wherein the logic device is configured to:
determine a waterline of the body of water relative to a field of view (FOV) of the display; and
render sonar data in a portion of the FOV that extends below the waterline.

US Pat. No. 10,161,803

WAFER LEVEL PACKAGING OF INFRARED CAMERA DETECTORS

FLIR Systems, Inc., Wils...

1. An infrared detector, comprising:a first substrate having an array of infrared detectors and a readout integrated circuit interconnected with the array disposed on an upper surface thereof;
a second substrate having side walls and a generally planar window spaced above the array, the window being substantially transparent to infrared light,
wherein the side walls are disposed on an upper surface of the first substrate and define a closed cavity between the first and second substrates that enclose the array;
a solder seal bonding a perimeter of the side walls of the second substrate to the first substrate so as to seal the cavity; and
at least one solder capture ring fully disposed around and/or within a perimeter of the solder seal and disposed on the first substrate adjacent to the side walls.

US Pat. No. 10,230,909

MODULAR SPLIT-PROCESSING INFRARED IMAGING SYSTEM

FLIR Systems, Inc., Wils...

1. A system comprising:an imager assembly comprising:
a focal plane array configured to capture thermal image data from a scene and output the thermal image data,
a printed circuit board assembly, and
processing electronics communicatively connected to the focal plane array through the printed circuit board assembly and configured to perform a non-uniformity correction process on the thermal image data to provide corrected thermal image data without automatic gain correction; and
a connector communicatively connected to the imager assembly and configured to:
modularly interface with supporting electronics configured to perform an automatic gain correction process on the corrected thermal image data,
pass the corrected thermal image data in a first direction to the supporting electronics, and
receive a table switch logic signal in a second direction from the supporting electronics to customize the non-uniformity correction process performed by the processing electronics, wherein the table switch logic signal is dependent on a detected environmental condition.

US Pat. No. 10,230,910

INFRARED CAMERA SYSTEM ARCHITECTURES

FLIR Systems, Inc., Wils...

1. A device comprising:an infrared imaging device comprising:
a housing configured to engage with a socket;
a focal plane array within the housing, wherein the focal plane array comprises a plurality of microbolometers, wherein each of the plurality of microbolometers is configured to capture infrared image data from a target scene; and
a logic circuit within the housing and configured to process the captured infrared image data.

US Pat. No. 10,215,564

AUTOMATIC COMPASS CALIBRATION SYSTEMS AND METHODS

FLIR SYSTEMS, INC., Wils...

1. A system comprising:a logic device configured to receive one or more sensor signals and determine a corrected magnetic field based, at least in part, on a measured local magnetic field, wherein the logic device is adapted to:
receive an angular velocity, an acceleration, the measured local magnetic field, and/or a speed of a mobile structure;
generate stabilized roll and pitch components of an orientation of the mobile structure based, at least in part, on the acceleration and angular velocity; and
determine the corrected magnetic field based, at least in part, on the local magnetic field and the stabilized roll and pitch components.

US Pat. No. 10,180,559

LENS CELL PRELOADING SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. An apparatus comprising:a lens cell comprising a housing configured to receive an optical component, wherein the housing includes a plurality of bearing areas; a plurality of bearings, each bearing including a front surface and a back surface and comprising at least two pads and a connector connecting the two pads, wherein a maximum thickness of the pads is greater than a maximum thickness of the connector and a maximum width of the pads is greater than a maximum width of the connector; and
a plurality of springs, each spring including a first end and a second end such that the first end is configured to contact one of the bearing areas, and the second end is configured to contact a back surface of one of the bearings.

US Pat. No. 10,146,049

COLD WEATHER CAMERA KIT

FLIR Systems, Inc., Wils...

1. An apparatus comprising:a lens barrel;
a camera lens disposed within the lens barrel;
a de-icing assembly comprising a window frame and a de-icing window coupled to the window frame, wherein the de-icing window is directly thermally conductively coupled to the window frame and the window frame is directly thermally conductively coupled to the lens barrel; and
a heater element thermally conductively coupled to the lens barrel.

US Pat. No. 10,104,290

CAMERA CORES OR SENSORS FOR PRE-DETERMINED SHOCK/VIBRATION LEVELS

FLIR Systems, Inc., Wils...

1. A system comprising:a circuit board;
an electrical circuit coupled to the circuit board including:
an electrical component,
a shock detection component attached to the circuit board, and
an electrical conductor coupled to the shock detection component, wherein:
the shock detection component is configured to detach from the circuit board and permanently break contact with the electrical conductor to disable the electrical circuit in response to a force above a threshold force level and/or profile applied to the shock detection component such that the electrical component is rendered permanently inoperable.

US Pat. No. 10,250,822

WEARABLE APPARATUS WITH INTEGRATED INFRARED IMAGING MODULE

FLIR Systems, Inc., Wils...

1. A method of presenting a user-viewable image on a wearable apparatus having a shield, the method comprising:capturing, using a focal plane array (FPA) of an infrared imaging device of the wearable apparatus, a thermal image of an external environment;
converting the thermal image into a user-viewable image of the external environment;
presenting the user-viewable image using a display for viewing by a user while wearing the wearable apparatus;
passing, by the shield, at least some visible light from the external environment to the user for viewing the external environment through the shield;
passing, by a window provided in the shield, infrared radiation from the external environment to the infrared imaging device, wherein the infrared imaging device is positioned behind the window of the shield to receive the infrared radiation passed through the window; and
protecting the infrared imaging device, the display, and at least a portion of the user's face from the external environment by the shield while the wearable apparatus is worn by the user,
wherein the infrared imaging device and the display are positioned interior to and behind the shield to be protected from the external environment.

US Pat. No. 10,240,821

STIRLING ENGINE DISPLACER DRIVE

FLIR SYSTEMS, INC., Wils...

1. A cryocooler, comprising:a drive coupler;
a motor shaft for driving the drive coupler;
a regenerator piston; 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 aligned orthogonally to a longitudinal axis of the motor shaft.

US Pat. No. 10,244,190

COMPACT MULTI-SPECTRUM IMAGING WITH FUSION

FLIR Systems, Inc., Wils...

1. A system comprising:a housing;
a visible spectrum sensor assembly disposed within the housing and comprising a focal plane array (FPA) of visible spectrum sensors and adapted to capture visible spectrum images of a scene;
an infrared sensor assembly disposed within the housing and comprising a FPA of infrared sensors and adapted to capture infrared images of the scene;
a singular and discrete common circuit board disposed within the housing and physically connected to both the visible spectrum sensor assembly and the infrared sensor assembly, wherein the visible spectrum sensor assembly and the infrared sensor assembly are directly connected and parallel to and securedly fixed in position adjacent to each other by a first planar surface of the common circuit board to provide permanent alignment of the visible spectrum sensor assembly and the infrared sensor assembly to each other, such that the visible spectrum images and the infrared images are substantially rotationally aligned to each other due to the direct connection of the visible spectrum sensor assembly and the infrared sensor assembly to the first planar surface of the common circuit board; and
a logic device disposed within the housing and electrically coupled to the visible spectrum sensor assembly and the infrared sensor assembly through the common circuit board, wherein the logic device is adapted to:
receive at least one visible spectrum image captured by the visible spectrum sensor assembly directly connected to the first planar surface of the common circuit board, and
receive at least one infrared image captured by the infrared sensor assembly directly connected to the first planar surface of the common circuit board.

US Pat. No. 10,241,200

MODULAR SONAR TRANSDUCER ASSEMBLY SYSTEMS AND METHODS

FLIR SYSTEMS, INC., Wils...

1. A system comprising:one or more sonar transducer assemblies adapted to be mounted to a mobile structure; and
at least two transducer modules disposed substantially within the one or more sonar transducer assemblies, wherein each transducer module comprises:
a transducer element comprising an emission surface;
a conductive can disposed at least partially opposite the emission surface;
an insulating cover disposed between the conductive can and the transducer element; and
a module frame adapted to support the transducer element, the insulating cover, and the conductive can, wherein the module frame is physically coupled to the one or more sonar transducer assemblies and/or to at least one other transducer module.

US Pat. No. 10,232,237

THERMAL-ASSISTED GOLF RANGEFINDER SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A method, comprising:capturing an infrared image of a portion of a golf course including a flagstick, wherein the flagstick comprises a thermal target;
detecting the thermal target of the flagstick based on the infrared image;
providing a light to the flagstick based on the detected thermal target;
detecting at least a portion of the light that is reflected from the flagstick;
determining a distance to the flagstick based on the detected light; and
providing the distance.

US Pat. No. 10,182,195

PROTECTIVE WINDOW FOR AN INFRARED SENSOR ARRAY

FLIR Systems, Inc., Wils...

1. A device for an infrared camera comprising:a vacuum packaged assembly comprising a focal plane array configured to capture thermal image data from a scene and a sensor window configured to seal an evacuated area of the vacuum packaged assembly, wherein the sensor window is displaced a first distance from the focal plane array;
a protective window disposed adjacent to and in close proximity to the sensor window and displaced a second distance greater than the first distance from the focal plane array, wherein the second distance is predetermined such that damage or debris incident on the protective window is out of focus to the focal plane array, and wherein the protective window is disposed between the sensor window and any optics to be coupled to the infrared camera that incorporates the device; and
a frame for the device configured to form a package comprising the protective window directly connected to the vacuum packaged assembly.

US Pat. No. 10,168,360

MEASUREMENT DEVICE FOR LIGHTING INSTALLATIONS AND RELATED METHODS

FLIR Systems, Inc., Wils...

1. A measurement device comprising:a housing configured to be hand-held by a user;
a visible light sensor disposed at least partially on the housing, the visible light sensor being configured to sense visible light emitted from a light source and generate a first signal indicative of an intensity of the visible light;
a logic device within the housing and configured to process the first signal to determine the intensity of the visible light,
wherein the logic device is further configured to receive and process a second signal indicative of a physical parameter associated with an external article to determine a magnitude of the physical parameter; and
a display disposed at least partially on the housing and configured to present information representing a numerical value indicative of the intensity of the visible light and a numerical value indicative of the magnitude of the physical parameter.

US Pat. No. 10,169,666

IMAGE-ASSISTED REMOTE CONTROL VEHICLE SYSTEMS AND METHODS

FLIR Systems, Inc., Wils...

1. A system, comprising:a remote control vehicle;
an infrared imaging module mounted on the remote control vehicle, wherein the infrared imaging module is configured to capture an infrared image based on thermal radiation of a scene; and
a processor configured to communicate with the infrared imaging module, wherein the processor is configured to:
determine thermal properties associated with the scene based on the infrared image; detect a first boundary in the infrared image and a second boundary in the infrared image based on the determined thermal properties associated with the scene;
determine a lane or a bounded area defined by the first boundary and the second boundary; and
modify an operation of the remote control vehicle based on the first boundary and the second boundary to keep the remote control vehicle within the lane or the bounded area and prevent the remote control vehicle from crossing the first boundary and the second boundary.

US Pat. No. 10,153,204

WAFER LEVEL PACKAGING OF REDUCED-HEIGHT INFRARED DETECTORS

FLIR Systems, Inc., Wils...

1. A method, comprising:thinning a first wafer that is attached to a second wafer, wherein the first wafer comprises a lid wafer of an infrared detector wafer assembly and wherein the second wafer comprises a detector wafer of the infrared detector wafer assembly, and wherein alignment marks are provided on and/or within the first wafer and/or on and/or within the second wafer prior to the thinning;
capturing, by a short wavelength infrared camera viewing through at least a portion of the thinned first wafer, a short wavelength infrared image of the alignment marks;
aligning a dicing equipment with dicing lanes of the thinned first wafer based on the short wavelength infrared image of the alignment marks, wherein the dicing lanes are between at least two of the alignment marks; and
slicing through the thinned first wafer, based on the aligning by the dicing equipment using the at least two of the alignment marks, along the dicing lanes to expose test pads provided on the second wafer.

US Pat. No. 10,147,195

OBJECT DETECTION ALONG PRE-DEFINED TRAJECTORY

FLIR SYSTEMS, INC., Wils...

1. A method comprising:defining a fixed trajectory comprising a path between two locations within a target scene;
receiving a plurality of images of the target scene successively captured in time;
extracting, from each of the images, a subset of pixels with pixel values corresponding to the fixed trajectory;
comparing the extracted subsets of pixel values from the plurality of images of the target scene;
determining changes in the subsets of pixel values among the plurality of images; and
detecting an object entering the target scene substantially along the fixed trajectory in response to the determined changes.

US Pat. No. 10,345,436

SYSTEM AND METHOD FOR DETECTING AN OBJECT OR RECESS ON A SURFACE

FLIR Systems, Inc., Wils...

1. A detection system for detecting an object or change of shape on a surface, comprising:a laser light source configured to emit a laser beam;
one or more deflectors configured to deflect the laser beam by a deflection angle ?;
one or more control units configured to control the one or more deflectors to scan the surface with the laser beam by varying the deflection angle ? according to a series of angle values belonging to a scanning sequence, the scanning sequence further comprising a series of frequency values each associated with a respective one of the angle values, wherein a modulation frequency ? for the laser beam is varied according to the series of frequency values of the scanning sequence in conjunction with the varying of the deflection angle ?;
an optical sensor configured to detect at least a portion of a reflected laser light and generate a signal responsive to the detected reflected laser light, the reflected laser light resulting from reflection of the laser beam by the surface or an object on the surface;
a memory configured to store a series of reference times each associated with a respective one of the frequency values of the scanning sequence, wherein the reference times are indicative of times at which the reflected laser light is expected to be detected by the optical sensor for each of the frequency values of the scanning sequence when the surface is in a reference state; and
a signal processor configured to:
process the signal from the optical sensor to extract the modulation frequency ? of the reflected laser light,
calculate a measured time tm that is indicative of a time at which the reflected laser light is detected by the optical sensor,
compare the measured time tm with a reference time tr chosen from the series of reference times stored in the memory, the reference time tr being associated with one of the frequency values that matches the modulation frequency ? extracted from the reflected laser light, and
detect an object or change of shape on the surface based on a difference between the measured time tm and the reference time tr.

US Pat. No. 10,338,593

HYDRAULIC SLIP COMPENSATION SYSTEMS AND METHODS

FLIR SYSTEMS, INC., Wils...

13. A system comprising:a logic device configured to receive one or more sensor and/or control signals and determine a virtual rudder estimate for use in controlling a hydraulic steering system coupled to a mobile structure, wherein the logic device is configured to:
receive a pump control signal for the hydraulic steering system and determine a linear rudder speed based, at least in part, on the pump control signal;
determine an elasticity estimate for the hydraulic steering system;
determine the virtual rudder estimate from a corrected rudder speed, wherein the corrected rudder speed is based, at least in part, on the linear rudder speed, the pump control signal, and/or the elasticity estimate; and
transmit an updated pump control signal based, at least in part, on the virtual rudder estimate, to the hydraulic steering system.

US Pat. No. 10,288,832

LIGHT BLOCKING ASSEMBLY FOR AN ANALYTE DETECTOR

FLIR Systems, Inc., Wils...

1. A system comprising:a sampling tip housing having a bore defining an inner wall;
a cartridge disposed within the bore and comprising a fluid path comprising an inlet port configured to receive analyte samples and an outlet port configured to pass the samples to a sensor assembly configured to detect the samples; and
a blocking structure configured to obscure a mating surface between the inner wall and the cartridge from the sensor assembly.

US Pat. No. 10,261,176

ROTATING ATTITUDE HEADING REFERENCE SYSTEMS AND METHODS

FLIR SYSTEMS, INC., Wils...

1. A system comprising:a logic device configured to communicate with an orientation and/or position sensor (OPS) rotationally coupled to a mobile structure, wherein the logic device is configured to:
receive orientation and/or position data from the OPS while the OPS is rotating relative to the mobile structure; and
determine rotationally corrected orientation and/or position data referenced to the mobile structure, a rotationally actuated sensor assembly mounted to the mobile structure, and/or an absolute coordinate frame, wherein the rotationally corrected orientation and/or position data is based, at least in part, on the received orientation and/or position data.