An electrical energy absorption and heat storage system absorbs electrical energy transferred during a calibration process of an electric vehicle charging station. The system includes a resistive load, which, in operation, receives electrical energy and converts the electrical energy into heat. The heat is transferred to and stored in one or more heat storage mediums and then dissipated. The heat storage mediums may include phase-change heat storage mediums, such as water, solid heat storage mediums, such as ceramic mass (e.g., alumina), or combinations thereof. The stored heat may be dissipated as steam, contained for later dissipation, or combinations thereof. Heat sinks, convection and conduction cooling may be employed to dissipate the stored heat. An energy status of the system, together with information regarding the characteristics of the calibration process, may be used to determine whether it is appropriate to use the system to absorb the heat of the calibration process.
A test device for testing an electrical circuit includes input terminals connectable by test leads to different test points of the electrical circuit; at least first and second measurement circuits; switches; a processor; and a storage medium storing instructions that, when executed by the processor, cause the test device to perform a first test of the electrical circuit while one or more of the switches electrically couples at least first and second ones of the input terminals to the first measurement circuit, and perform a second test of the electrical circuit while one or more of the switches electrically couples at least third and fourth ones of the input terminals the second measurement circuit, where the first and second tests are performed without changing connections of the input terminals of the test device to the different test points of the electrical circuit.
A structure includes a first substrate and a second substrate. The second substrate includes a device region, and a peripheral region that laterally surrounds the device region. An insulating layer is between the first substrate and the second substrate. An opening laterally surrounds the device region and separates the device region from the peripheral region. The opening extends into the second substrate. An electrical device is in the device region, and a conductive track is in electrical communication with the electrical device. The conductive track is positioned in the opening and the peripheral region.
A temperature measurement system includes an optical resonator, a detector, and a computer subsystem. Light resonates in the optical resonator at a resonant wavelength that varies relative to a temperature in the optical resonator. The detector detects a resonant wavelength in output light from the optical resonator. The computing subsystem receives a signal indicating the resonant wavelength, identifies a mode of the optical resonator based on a first temperature indication in or proximate to the optical resonator in a first temperature accuracy range, and obtains, based on the mode, a characteristic relationship indicative of a range of resonant wavelengths of the optical resonator relative to a range of temperatures in the optical resonator in the mode. Based on the resonant wavelength and a characteristic relationship, a second temperature indication in the optical resonator in a second temperature accuracy range having greater accuracy than the first temperature accuracy range is obtained.
A device for performing electrical measurements according to the present disclosure includes a first input post that is electrically conducting, a second input post that is electrically conducting, and a sleeve that is electrically insulating and at least partially surrounds the first input post and the second input post. The sleeve includes a first rib extending in a longitudinal direction of the sleeve and a second rib extending in the longitudinal direction of the sleeve. The first rib and the second rib are constructed to separate the first input post and the second input post.
A method and apparatus for calibrating an impedance measurement device (100a, 100b, 100c) are provided. The impedance measurement device outputs (502) a first AC signal to a phase-locked current generator (124). The phase-locked current generator generates (504) a second AC signal having a phase that is locked to a phase of the first AC signal and having an amplitude that is representative of a presented impedance having a known impedance value. The phase-locked current generator outputs the second AC signal to the impedance measurement device. The impedance measurement device performs (506) an impedance measurement based on the second AC signal to produce a measured impedance value associated with the presented impedance. The impedance measurement device is calibrated (508) based on the measured impedance value and the known impedance value of the presented impedance.
A fiber optic test device is provided that includes a light source pigtailed with a first end of a non-bend insensitive multimode fiber (non-BIMMF). A second end of the non-BIMMF is fusion spliced to a first end of a reference grade bend insensitive multimode fiber (BIMMF). A reference grade optical fiber connector is attached to a second end of the BIMMF, which is coupled to a first end of a reference grade bulkhead adapter. The non-BIMMF is deformed so that a specific launch condition, such as encircled flux, is achieved at the first end of the BIMMF. A test reference cord, which contains a reference grade BIMMF having similar geometric properties as the BIMMF that is fusion spliced to the non-BIMMF, is attached to a second end of the bulkhead adapter. Modal transparency is achieved and the launch condition is maintained at the output of the test reference cord.
A system for determining a signature frequency of a photonic device includes a reference cell that receives a first light beam of a plurality of light beams. Based on a predetermined characteristic of the reference cell, the reference cell produces a first identifiable output indicative of a reference frequency in response to light in the first light beam having a particular frequency. A photonic device receives a second light beam of the plurality of light beams, and produces a second identifiable output in response to light in the second light beam having a frequency at the signature frequency. A computing device uses electrical signals representative of the first and second identifiable outputs to determine the signature frequency of the photonic device. A light source may emit a light beam having a controlled change of frequency and an optical splitter splits the light beam to produce the plurality of light beams.
G01K 11/32 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in transmittance, scattering or luminescence in optical fibres
G01D 5/353 - Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using optical means, i.e. using infrared, visible or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
9.
HIGH-THROUGHPUT TEMPERATURE SCREENING FOR PERSONS WITH TEMPERATURE ANOMALIES
A system for screening persons' temperatures comprises an imaging device configured to generate imagery data, including infrared image data, of a first scene and a second scene. The system receives imagery data from the first scene, identifies persons in the scene using the imagery data, and determines each person's temperature. The system further compares the persons' temperatures to a threshold and indicates a person should be directed to the second scene if the person's temperature is above a threshold. Subsequently, the system determines and compares the person's temperature in the second scene and provides an indication if the person's temperature exceeds a second threshold. Further, a confidence factor can be associated with determinations of persons' temperatures.
A system for screening persons' temperatures comprises an imaging device configured to generate imagery data, including infrared image data, of a first scene and a second scene. The system receives imagery data from the first scene, identifies persons in the scene using the imagery data, and determines each person's temperature. The system further compares the persons' temperatures to a threshold and indicates a person should be directed to the second scene if the person's temperature is above a threshold. Subsequently, the system determines and compares the person's temperature in the second scene and provides an indication if the person's temperature exceeds a second threshold. Further, a confidence factor can be associated with determinations of persons' temperatures.
Systems and methods for operating and calibrating electrical parameter measurement devices are provided herein. The devices may include a current sensor that includes a plurality of magnetic field sensors positioned around a measurement area that receive a current carrying conductor under test. The sensor may include a plurality of concentric rings of magnetic field sensors that provide accurate measurements that ignore magnetic fields from conductors or other components outside of the measurement area. The sensors may be used to determine the position of a conductor under test, and such information may be used to produce accurate measurements by accounting for the conductor's position. A calibration system may also be provided that is operative to generate calibration data that is subsequently used to provide more accurate measurements. The calibration data may include one or more lookup tables, coefficients for one or more mathematical formulas, or other types of data.
G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
12.
SYSTEM AND METHOD FOR GENERATING PANORAMIC ACOUSTIC IMAGES AND VIRTUALIZING ACOUSTIC IMAGING DEVICES BY SEGMENTATION
An acoustic analysis system includes an acoustic sensor array that receives acoustic signals from a target scene and outputs acoustic data to a processor. The processor generates acoustic image data of the target scene, partitions the acoustic image data into a plurality of acoustic image portions including first and second acoustic image portions, wherein the first acoustic image portion is different than the second acoustic image portion. The processor generates a display image by visually contrasting acoustic image data within the first acoustic image portion satisfying a first set of predefined acoustic criteria from acoustic image data within the first acoustic image portion not satisfying the first set of predefined acoustic criteria, and visually contrasting acoustic image data within the second acoustic image portion satisfying a second set of predefined acoustic criteria from acoustic image data within the second acoustic image portion not satisfying the second set of predefined acoustic criteria.
An acoustic analysis system includes an acoustic sensor array that receives acoustic signals from a target scene and outputs acoustic data based on the received acoustic signals. A processor receives a plurality of acoustic data sets from the acoustic sensor array, representative of the target scene at different points in time. The processor determines one or more locations within the target scene represented by the plurality of acoustic data sets, each being a location of an acoustic signal emitted from the target scene. For each acoustic signal, the processor classifies the acoustic signal as an intermittent acoustic signal or a continuous acoustic signal, generates accumulated-time acoustic image data based on the plurality of acoustic data sets, and generates an accumulated-time display image for presentation on a display. Within the accumulated-time display image, acoustic signals classified as intermittent acoustic signals are distinguished from acoustic signals classified as continuous acoustic signals.
Methods and systems include a universal, device-agnostic calibration process in which measured indications output by a device under test (DUT) (or corrected or converted indications derived therefrom) may be compared with calibration thresholds for any type of DUT to be calibrated. A complete, universal, and extensible calibration process is thus achieved that is capable of accommodating routine and complex calibration scenarios alike. A common set of statistics may be generated for all devices to be calibrated, without regard to the particular device under test, and statistics of the common set of statistics may be evaluated to determine the calibration state of the DUT. Additionally, the methods and systems disclosed herein provide for generating a comprehensive set of measurement records that may include some or all original observations, calculations, corrections, conversions, environmental factors, and measurement results, e.g., according to a standard, which allows for step-by-step auditing of every measurement performed.
A photonic device has one or more optical resonators having a first resonant frequency response relative to temperature and a different second resonant frequency response relative to temperature. In at least one embodiment, a first waveguide optically couples input light having a first frequency to a first optical resonator and a second waveguide optically couples input light having a second frequency to a second optical resonator. Light output from the one or more optical resonators is combined. A temperature of the photonic device may be determined from a beat frequency in the combined light output. One or more photodetectors may convert the combined light output into an electric signal, and a detected frequency in the electric signal indicates the beat frequency of the combined light output. The beat frequency is correlated with a temperature of the photonic device. In an embodiment, one or more multimode optical resonators may be used.
G01K 11/00 - Measuring temperature based on physical or chemical changes not covered by group , , , or
G01K 11/32 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in transmittance, scattering or luminescence in optical fibres
G02B 6/00 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
G02F 1/00 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
A temperature measurement technology includes generating an input optical signal at a wavelength using an optical signal generator, splitting the input optical signal into a first beam and a second beam, optically transmitting the first beam through the first arm of an interferometer, transmitting the second beam through a second arm of the interferometer that introduces a phase shift in the second beam relative to the first beam, combining at least a portion of the transmitted first beam and the transmitted phase-shifted second beam to produce an output optical signal, measuring an optical signal intensity of the output optical signal, and correlating the measured optical signal intensity with a temperature to produce a measured temperature. Alternatively, the input optical signal may be transmitted through two or more interferometers.
G01K 11/32 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in transmittance, scattering or luminescence in optical fibres
G01K 15/00 - Testing or calibrating of thermometers
17.
TIME-DOMAIN REFLECTOMETER DISTANCE MEASUREMENT FOR DEVICES SHARING A COMMON BUS
A time-domain reflectometer and a distance measurement method for devices sharing a common bus are provided. The time-domain reflectometer determines a time when to transmit a first ranging signal over a cable based at least in part on when a device presents a first impedance on the cable that is lower than a second impedance of the cable. The time-domain reflectometer transmits the first ranging signal over the cable and in response to transmitting the first ranging signal, receives, over the cable, a first response signal having a peak associated with an impedance mismatch present on the cable resulting from the device presenting the first impedance on the cable. The time-domain reflectometer determines, based on the first response signal, a distance between the time-domain reflectometer and the device.
A method for cable measurement includes obtaining frequency-domain signals from a cable; obtaining time-domain data from the signals; determining an estimated length of the cable using the time-domain data; determining a search region of the time-domain data using the estimated length of the cable; determining a first data point having a maximum slope within the search region; determining a second data point corresponding to a point of inflection in relation to the first data point; determining a third data point corresponding to an end point of the cable based on the second data point; modifying the time-domain data by setting to zero data points from the third data point to a last data point of the time-domain data, adjusting a slope of a region of the time-domain data before the third data point, and removing an offset from the time-domain data; and obtaining frequency-domain data from the modified time-domain data.
Embodiments are directed to a dual end optical cleaning device (10). The dual end optical cleaning device (10) includes a housing (12) and first and second optical cleaning tools (14a, 14b) that are held in opposing directions in the housing (12). That is, the housing (12) holds the first and second optical cleaning tools (14a, 14b) such that ends of the first and second optical cleaning tools (14a, 14b) are facing opposite directions of each other. The ends of the first and second optical cleaning tools (14a, 14b) are configured to clean optical fibers being held by different end pieces. In at least one embodiment, an end of the first optical cleaning tool (14a) is configured to couple to a connector holding an optical fiber, such as patch cord, while the second end of the second optical cleaning tool (14b) is configured to be inserted into a port of an electronic device or system, such as a patch panel port.
Systems can include an acoustic sensor array configured to receive acoustic signals, an illuminator configured to emit electromagnetic radiation, an electromagnetic imaging tool configured to receive electromagnetic radiation, a distance measuring tool, and a processor. The processor can illuminate the target scene via the illuminator, receive electromagnetic image data from the electromagnetic imaging tool representative of the illuminated scene, receive acoustic data from the acoustic sensor array, and receive distance information from the distance measuring tool. The processor can be further configured to generate acoustic image data of the scene based on the received acoustic data and received distance information and generate a display image comprising combined acoustic image data and electromagnetic image data. The processor can determine depths of various acoustic signals within a scene and generate a representation of the scene the shows the determined depths, including floorplan and volumetric representations.
G01S 3/808 - Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
H04R 1/40 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
Some systems include an electromagnetic imaging tool configured to receive electromagnetic radiation, a communication interface, a processor in communication with the electromagnetic imaging tool and the communication interface, and a housing. Systems can include a first sensor head having a first plurality of acoustic sensor elements arranged in a first acoustic sensor array. The communication interface can provide communication between the processor and the sensor head via wired or wireless communication. The communication interface can comprise a docking port in communication with the processor and configured to removably receive a corresponding docking mechanism of the first sensor head. Some systems may include a second sensor head having a second plurality of acoustic sensor elements. The second sensor head may be interchangeably connectable to the communication interface and/or the first sensor head.
G01S 3/808 - Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
H04R 1/40 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
Some systems include an acoustic sensor array configured to receive acoustic signals, an electromagnetic imaging tool configured to receive electromagnetic radiation, a position sensor configured to output position information, memory, and a processor. The processor can receive acoustic data from the acoustic sensor array and generate acoustic image data from the received acoustic data. The processor can receive electromagnetic image data from the electromagnetic imaging tool and combine the generated acoustic image data and the received electromagnetic image data to generate a display image. The processor can receive position information from the position sensor, and save the display image in memory associated with the received position information. Position information can be stored in metadata of the display image or displayed within the display image. The processor can be configured to link images stored in memory, such as based on position information associated with such images.
G01S 3/808 - Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
H04R 1/40 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
Some systems include an acoustic sensor array configured to receive acoustic signals, an electromagnetic imaging tool configured to receive electromagnetic radiation, a user interface, a display, and a processor. The processor can receive electromagnetic data from the electromagnetic imaging tool and acoustic data from the acoustic sensor array. The processor can generate acoustic image data of the scene based on the received acoustic data, generate a display image comprising combined acoustic image data and electromagnetic image data, and present the display image on the display. The processor can receive an annotation input from the user interface and update the display image based on the received annotation input. The processor can be configured to determine one or more acoustic parameters associated with the received acoustic signal and determine a criticality associated with the acoustic signal. A user can annotated the display image with determined criticality information or other determined information.
G01S 3/808 - Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
H04R 1/40 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
Acoustic imaging systems can include an acoustic sensing array, an electromagnetic imaging tool, a display, and an audio device. A processor can receive data from the acoustic sensor array and the electromagnetic imaging tool to generate a display image combining acoustic image data and electromagnetic image data. Systems can include an audio device that receives an audio output from the processor and outputs audio feedback signals to a user. The audio feedback signals can represent acoustic signals from an acoustic scene. Systems can provide a display image to a user including acoustic image data, and a user can select an acoustic signal for which to provide a corresponding audio output to an audio device. Audio outputs and display images can change dynamically in response to a change in pointing of the acoustic sensing array, such as by changing a stereo audio output.
G01S 3/808 - Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
G01S 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
H04R 1/40 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
Thermal imaging systems can include an infrared camera module (200), a user interface (208), a processor (222), and a memory. The memory can include instructions to cause the processor (222) to perform a method upon a detected actuation from the user interface (208). The method can include performing a non-uniformity correction (1702) to reduce or eliminate fixed pattern noise from infrared image data from the infrared camera module (200). The method can include capturing infrared images (1704) at a plurality of times and register the captured images via a stabilization process (1706). The registered, non-uniformity corrected images can be used to perform a gas imaging process (1700). A processor (222) can be configured to compare an apparent background temperature in each of a plurality of regions of infrared image data to a target gas temperature. The processor (222) can determine if such regions lack sufficient contrast to reliably observe the target gas.
G06T 5/50 - Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
G01N 21/17 - Systems in which incident light is modified in accordance with the properties of the material investigated
G01N 21/3504 - Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
An optically-addressable optical switch is disclosed. The optically-addressable optical switch receives, using an optical input, a first optical signal or portion of an optical signal and determines, based on the received optical signal, an address of an optical connector. The address is one of a plurality of addresses respectively corresponding to a plurality of optical connections of the optical switch. The optical switch subsequently receives a second optical signal or portion of an optical signal, using the same optical input, and outputs the second optical signal or portion of the optical signal to the optical connection corresponding to the determined address.
An electrical connector is provided. The electrical connector includes two or more electrically conductive prongs. Each electrically conductive prong may have a tapered distal end operable to axially contact a conductor of a cable when a force is applied to axially push the cable onto the two or more electrically conductive prongs. Each electrically conductive prong may have a proximal end operable to be electrically coupled to a respective connector conductor.
A method and apparatus for blending and display of radio frequency in-wall imagery are provided. In the method and apparatus, an RF sensor assembly receives an RF signal for capturing an RF image of one or more objects including an electricity-bearing object disposed in a space behind a surface, a voltage sensor detects a presence of the electricity-bearing object disposed in the space behind the surface and a processor determines the RF image based on the data representing the RF signal, identifies a position of the electricity-bearing object in the RF image based on the data indicating the presence of the electricity-bearing object and a relative position of the sensory field to the RF sensor assembly and generates, based on the RF image, a composite image in which the electricity-bearing object is marked.
G01N 27/22 - Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
G01S 13/89 - Radar or analogous systems, specially adapted for specific applications for mapping or imaging
G01S 13/88 - Radar or analogous systems, specially adapted for specific applications
29.
RF IN-WALL IMAGE REGISTRATION USING OPTICALLY-SENSED MARKERS
A radio frequency (RF) imaging device comprises an optical position sensor, an RF sensor assembly, a processor, and a memory. The optical position sensor captures an optical image of a field of view and outputs data representing the optical image. The RF sensor assembly is disposed at a first position and receives an RF signal for capturing an RF image of a portion of a space disposed behind a surface at the first position and outputs data representing the RF signal. The processor receives the data representing the optical image and the RF signal, and determines that an optical signature of a reference marker is present in the optical image. If the optical signature is present in the optical image, the processor defines the first position of the RF assembly as a reference position. The memory stores the data representing the RF signal in association with the reference position.
A radio frequency (RF) imaging device comprises a position sensor, an RF sensor assembly, an optical sensor, a processor, and a memory. The position sensor determines a position of the RF imaging device relative to a surface. The RF sensor assembly captures RF image data representing an RF image of a portion of a space behind the surface at the determined position. The optical sensor captures optical image data representing an optical image of the surface at the determined position. The processor produces a composite image in which at least one or more portions of the RF image and one or more portions of the optical image that correspond to the same position relative to the surface are simultaneously viewable. The RF image data and the optical image data are stored in the memory in association with position data derived from the determined position of the RF imaging device.
A radio frequency (RF) imaging device comprising a display receives a three-dimensional (3D) image that is a superposition of two or more images having different image types including at least a 3D RF image of a space disposed behind a surface. A plurality of input control devices receive a user input for manipulating the display of the 3D image. Alternatively or additionally, the radio frequency (RF) imaging device may receive a three-dimensional (3D) image that is a weighted combination of a plurality of images including a 3D RF image of a space disposed behind a surface, an infrared (IR) image of the surface, and a visible light image of the surface. A user input may specify changes to the weighted combination. In another embodiment, the RF imaging device may include an output device that produces a physical output indicating a detected type of material of an object in the space.
G01S 13/88 - Radar or analogous systems, specially adapted for specific applications
G01S 13/89 - Radar or analogous systems, specially adapted for specific applications for mapping or imaging
G01S 13/86 - Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
G01S 7/24 - Cathode-ray tube displays the display being orientated or displaced in accordance with movement of object carrying the transmitting and receiving apparatus, e.g. true-motion radar
32.
RF IN-WALL IMAGE REGISTRATION USING POSITION INDICATING MARKERS
A radio frequency (RF) imaging device comprises an RF sensor assembly, a position sensor, a processor, and a memory. The RF sensor assembly receives an RF signal for capturing an RF image of a portion of a space behind a surface. The position sensor receives a plurality of signals respectively emitted by a plurality of position markers at known positions relative to the surface. The processor determines a plurality of angles at which the plurality of signals respectively arrive at the position sensor and determines, based on the plurality of angles and the known positions of the plurality of position markers, a position of the RF imaging device relative to the surface. The memory stores the RF image in association with the determined position of the RF imaging device. A time-of-flight or triangulation of signal data may be used for position determination.
A radio frequency (RF) imaging device comprises a position sensor, an optical sensor, a processor, and an output. The position sensor determines a position of the RF imaging device relative to a surface. The optical sensor captures optical image data representing an optical image of an area of the surface. The optical image data is associated with position data representing a position relative to the surface derived from the determined position of the RF imaging device. The derived position data corresponds to the area of the surface imaged by the optical sensor. The processor produces a composite image in which one or more portions of the optical image data are simultaneously viewable with RF image data representing an RF image of a space behind the surface at the same position as the optical image data. The output displays the composite image. The output may be a projector.
G01S 13/88 - Radar or analogous systems, specially adapted for specific applications
G01S 13/86 - Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
G01S 13/89 - Radar or analogous systems, specially adapted for specific applications for mapping or imaging
G01S 7/24 - Cathode-ray tube displays the display being orientated or displaced in accordance with movement of object carrying the transmitting and receiving apparatus, e.g. true-motion radar
Aspects of the disclosure are directed toward systems and methods for combining aspects of a plurality of indexed images taken at different focus distances in order to generate a final image having objects at a variety of depths remain in focus. High frequency frames associated with each of the plurality of images can be generated, each high frequency frame being representative of the high frequency content of the associated image. The high frequency content in a plurality of regions in each of the plurality of high frequency frames can be analyzed to determine which regions include valid high frequency content. A final image can be generated comprising, for each of the plurality of regions, image data from the image having like index as the high frequency frame having the greatest valid high frequency content in that region.
Systems and methods can be used for analyzing image data to determine an amount of vibration and/or misalignment in an object under analysis. Image distortion present in the image data due to vibration and/or misalignment of the object during operation can be detected automatically or manually, and can be used to determine an amount of vibration and/or misalignment present. The determined amount of vibration and/or misalignment can be used to determine alignment calibration parameters for inputting into an alignment tool to facilitate alignment of the object. Various steps in determining the image distortion and/or the alignment calibration parameters can be performed using single components or can be spread across multiple components in a system.
A system and method for receiving a data packet in a cable network testing device from a remotely located cloud host service/device. The data packet contains selected cable test device configuration instructions. The selected device instructions, once implemented in a cable test device, configure the cable test device to perform one or more cable network testing procedures in accordance with predetermined testing parameters. The cloud host service/device contains a plurality of test device configuration instructions to be selected by a user, which user may be remote from the cable test device.
A cable testing system and method including at least one testing device configured to perform cabling testing pursuant to a cabling testing configuration and a cloud-based server device configured to couple, via the Internet, to the at least one testing device. The server device includes a database configured to store one or more cabling testing configurations and a processor configured to send one or more cabling testing configurations from the database to the at least one testing device such that the at least one testing device performs a cabling test pursuant to the cabling test configuration received from the server device.
A system and method for generating messages from a cloud-based server relating to cable test device usage. Provided is at least one test device configured to perform one or more cabling test procedures and a cloud-based server configured to couple to the at least one cable test device for transmission of data therewith. The cloud-based server includes a database configured to store test device activity data received from the one or more cable test devices. The cloud-based server includes a processor configured to define messages to be electronically delivered to one or more prescribed recipients contingent upon a defined event being satisfied by the received cable test device activity data and to analysis the cable test device activity data stored in the database to determine when a defined event has been satisfied. A message is electronically transmitted to the prescribed recipients when the defined event is determined satisfied.
H04L 12/24 - Arrangements for maintenance or administration
39.
METHOD OF COMBINED USE OF INFRARED CAMERA, NON-CONTACT INFRARED SENSOR, OR CONTACT TEMPERATURE SENSOR WITH INSULATION RESISTANCE TESTER FOR AUTOMATIC TEMPERATURE NORMALIZATION
Systems can include a resistance testing device configured to generate resistance data regarding the insulation resistance of equipment under test and a temperature sensing device configured to generate temperature data regarding the temperature of the equipment under test. The system can include a processor configured to receive the resistance data and the temperature data. Based on the received data, the processor can determine normalized resistance data accounting for temperature effects on the measured resistance. Normalized resistance data can indicate a predicted value for the insulation resistance measurement had the measurement been performed at a reference temperature. Thus, insulation resistance values normalized to a common temperature can be more accurately and meaningfully analyzed and trended over time.
G01R 27/02 - Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
40.
IMAGING SYSTEM EMPLOYING FIXED, MODULAR MOBILE, AND PORTABLE INFRARED CAMERAS WITH ABILITY TO RECEIVE, COMMUNICATE, AND DISPLAY DATA AND IMAGES WITH PROXIMITY DETECTION
Systems can include a tool configured to generate a first set of data representative of an object and a control station configured to receive the first set of data from the tool. A mobile device in communication with the control station can receive data from the control station including information regarding the object based on the data received from the tool. A user of the mobile device, such as a technician, can travel to the location of the tool, and, when the mobile device is within a predetermined proximity of the tool, the tool can communicate directly with the mobile device. The technician can use the mobile device to communicate with and control the tool in order to safely perform equipment analysis.
H04Q 9/00 - Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
41.
UNDERLYING WALL STRUCTURE FINDER AND INFRARED CAMERA
Tools used to detect underlying structures, such as behind the surface of a wall, can include a first sensor, such as an electromagnetic sensor, configured to generate data indicative of the location of the underlying structure. Tools can include an indicator that provides an indication to a user based on the data. Tools can additionally or alternatively include an infrared imaging device for generating infrared image data indicative of the heat pattern of a scene. A display can display the generated infrared image data. Underlying structures may be visible in the heat pattern of the scene. The tool can indicate the presence of an underlying structure feature to an operator via one or both of the display and the indicator.
G01V 3/15 - Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination or deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
42.
TEST AND MEASUREMENT SYSTEM WITH REMOVABLE IMAGING TOOL
Test and measurement systems can include a test and measurement tool configured to generate measurement data representative of at least one parameter of an object under test and an imaging tool configured to generate image data representative of a target scene. The imaging tool can be removably attachable to the test and measurement tool. The test and measurement system can include a communication link that can provide communication between the test and measurement tool and the imaging tool. The communication link can facilitate one or both of communication of image data to the test and measurement tool and measurement data to the imaging tool. Systems can include a display in communication with at least one of the test and measurement tool or the imaging tool for presenting at least one of image data or measurement data to a user.
Systems can include a mobile device, an accessory configured to generate data representative of at least one parameter of a device under test, and an isolated test block comprising at least one input for interfacing with the accessory and an output configured to communicate accessory output data. The mobile device can include a display and be configured to receive the accessory output data from the isolated test block and to present a display based at least on received accessory output data. The accessory output data received by the mobile device can be electrically isolated from the accessory to provide protection to a device user and the mobile device.
Systems can include a test and measurement tool configured to generate measurement data, and imaging too configured to generate image data, and a processor in communication with the imaging tool and the test and measurement too. The processor can be configured to receive image data from the imaging tool and, if the image data satisfies one or more predetermined conditions, trigger the test and measurement tool to perform one or more corresponding operations. Similarly, the processor can receive measurement data from the test and measurement tool and, if the measurement data satisfies one or more predetermined conditions trigger the imaging too to perform one or more corresponding operations.
Imaging tools can be fixedly or removably attached to various surfaces of test and measurement tools. An imaging tool comprising a sensor array capable of receiving electromagnetic radiation from a target scene can be configured to engage a surface of the test and measurement tool such that the imaging tool is supported by the test and measurement tool. When the imaging tool is engaged with the test and measurement tool, the sensor array can be movable relative to the imaging tool so that a target scene viewed by the sensor array of the imaging tool is adjustable without requiring movement of the test and measurement tool.
A61B 1/00 - Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
G02B 23/24 - Instruments for viewing the inside of hollow bodies, e.g. fibrescopes
H04N 7/18 - Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
46.
DISPLAY OF IMAGES FROM AN IMAGING TOOL EMBEDDED OR ATTACHED TO A TEST AND MEASUREMENT TOOL
Systems include a test and measurement tool configured to acquire measurement data representative of at least one parameter of a device under test, an imaging tool configured to acquire image data representative of a target scene, and a display device. The display device can include a display and can be in communication with the test and measurement tool and the imaging tool. The display device can receive measurement data from the test and measurement tool and image data from the imaging tool, and present a display representative of at least one of the measurement data and the image data on the display.
A calibrator has profiles for holding locators for items in a tree-like database of smart device that monitors a process. The calibrator is connected to the smart device and obtains tag and other identity information to find the profile for the smart device. When a profile is located, the calibrator displays a list of calibration setup items and favorite items and loads the items on the list into the calibrator as default inputs or settings.
A communicator has profiles for holding locators for items in a tree-like database for a smart device that monitors a process. The communicator is connected to the smart device and obtains tag and other identity information to find the profile for the smart device. When a profile is located, the communicator displays a list of configuration items and favorite items and loads the items on the list into the communicator as default inputs or settings.
A method and apparatus for adjusting the focus of a camera. A rotatable focus member, when rotated, effects movement of an indicator element. The position of the indicator element is sensed by a sensing element and is passed to a controller within the camera. The controller prompts a motor to drive a focusing element of the camera in response to changes in the sensed position of the indicator element. The focus member effects movement of the indicator element by way of rolling resistance as opposed to sliding friction, allowing for more consistent and controlled manipulation.
A method and system for comparing measurements of a device under test (DUT) to measurements taken of similar equipment are provided. The method includes communicatively connecting a mobile computing device to one or more measurement devices, and receiving measurement data from the one or more measurement devices. The mobile computing device determines an equipment identifier of the DUT, and retrieves information associated with the equipment, which may include previous measurements of other devices or reference documents. The mobile computing device presents the retrieved information along with the received measurement data for comparison.
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
G06F 17/30 - Information retrieval; Database structures therefor
A method and system for capturing and annotating measurement data includes communicatively connecting a mobile computing device to one or more measurement devices, and receiving measurement data from the one or more measurement devices. The mobile computing device stores the received measurement data and annotates the stored measurement data with metadata. The metadata includes group identifying information that associates the stored measurement data with other data having similar group identifying information. In at least one embodiment, measurement data is automatically associated with the group identifying information based on the measurement data being captured within a predetermined amount of time of each other or within a predetermined distance of each other as determined by a positioning system. The metadata may include, for example, one or more of a time, a location, a test point, a work order, a task list, a job instruction, a technician identifier, a text note, a voice note, an image, a video, and an image annotation.
G06F 17/00 - Digital computing or data processing equipment or methods, specially adapted for specific functions
G06F 15/16 - Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
A computer-implemented method, system, and computer-readable medium for automatically generating a combined display of measurement data representing a combined measurement, such as a multiphase parameter, includes establishing, by a mobile computing device, communication connections with a plurality of measurement devices configured to generate measurement data. The mobile computing device receives the measurement data generated by the plurality of measurement devices, and in response to information indicative of the measurement data representing related parts of a combined measurement, the mobile computing device automatically groups the measurement data received from the measurement devices and automatically displays the grouped measurement data in a combined display that shares at least one axis of measurement. In at least one embodiment, the combined measurement is a multiphase parameter, such as a three-phase electrical parameter, and the combined display is a graph in which the measurement data shares at least one axis of measurement, such as time.
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
53.
VISIBLE AUDIOVISUAL ANNOTATION OF INFRARED IMAGES USING A SEPARATE WIRELESS MOBILE DEVICE
A smart phone user captures video and still images of a motor and makes a sound recording of his observations. The images and recordings are tagged with a date/time stamp, a serial, number, bar code, matrix code, RFID code, or geolocation and sent wirelessly to an infrared camera. The infrared camera has a collocation application that reads the tag and creates a folder which holds the infrared image and the auxiliary information from, the smartphone related to an asset. The collocation program also adds icons to the infrared image. By operating the user interface (not shown) of the infrared camera, the user may select an icon to view the images and listen to the sound recording.
A method and system for capturing measurement data from a measurement device using a mobile computing device is provided. A mobile computing device is communicatively connected to one or more measurement devices, and receives measurement data from the one or more measurement devices. The mobile computing device stores the received measurement data, in some embodiments, the measurement devices have less storage space than the mobile computing device, and so the mobile computing device is capable of storing more measurements than the measurement devices are capable of storing. The mobile coinputing device is also capable of presenting the stored measurement data as a graph of a time series of values, which would not be possible using only the measurement device given its smaller memory.
A method, system, and computer-readable medium for sharing measurement data with a remote device includes establishing, by a mobile computing device at an equipment site, a first communication connection with a measurement device that is configured to measure data with respect to equipment at the equipment site. The mobile computing device receives measurement data by way of the first communication connection. While remaining at the equipment site, the mobile computing device receives a request to share the measurement data with a selected contact via a remote device. In response, a second communication connection is established with the remote device, the measurement data to be shared is identified, and the identified measurement data is communicated to the remote device for review by the selected contact. Prior to establishing a communication connection with the remote device, permission to communicate the measurement data to the selected contact may be obtained from a gatekeeper.
A method and apparatus is disclosed herein for dynamically scaling application performance analysis completeness based on available system resources. In one embodiment, the method comprises monitoring incoming network traffic and a rate at which the traffic is being analyzed and dynamically adjusting application performance analysis completeness, the analysis being performed on the observed network traffic.
A thermal imaging camera may be used to capture a visible-light (VL) image and an infrared (IR) image. In some examples, the camera includes a range imaging camera module that captures the VL and an infrared camera module that captures the IR image. In such examples, the VL image may include a plurality of different portions that each correspond to a different portion of the scene and distance-to-target data associated with each of the different portions of the scene. The camera may align each of the plurality of different portions of the VL image based on the distance-to-target data associated with corresponding portions of the scene so as to correct a parallax error between the VL image and the IR image. The camera may then concurrently display the VL image in alignment with the IR image.
A paint curing oven may include multiple infrared temperature sensors to indirectly measure the temperature of a painted object as the object is conveyed through the oven. In some examples, temperature measurements from the infrared temperature sensors are compared to temperature measurements from a temperature sensor physically carried by the painted object to develop a calibration relationship. In subsequent use in which the infrared temperature sensors measure the temperature of a painted object that does not carry a temperature sensor, the calibration relationship may be used to generate a simulated temperature curve. The simulated temperature curve may provide an estimate of the temperature of the painted object as would be determined by a temperature sensor physically carried by the painted object, were the painted object actually carrying the temperature sensor.
F26B 3/00 - Drying solid materials or objects by processes involving the application of heat
G05D 23/27 - Control of temperature characterised by the use of electric means with sensing element responsive to radiation
B05C 9/14 - Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by groups , or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating
F26B 15/00 - Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
Systems and techniques for obtaining and maintaining maintenance records for various assets are described. In one embodiment, a computing device may be wirelessly coupled to a measurement device when the computing device is placed in proximity with the computing device. Upon measuring one or more parameters of a device under test (DUT), the measurement device may provide the measured parameters to the computing device in the form of measurement data. In some embodiments, the computing device associates the measured parameters with the corresponding DUT from which the measurements were obtained and provides the associated measured parameter to, for example, a service provider for future access. In another embodiment, the measurement device itself is configured to associate the measurement parameters with the DUT and provide the associated measurement parameters to the service provider.
A method and computer program product for determining whether an object of interest can have its temperature measurement calculated by a thermal imaging camera. To do this, the measurement IFOV is converted into linear units. The measurement IFOV may be displayed on the display of the camera as a graphical indicator (100, 100', 100", 100"') or a value. An object of interest can be registered with the graphical indicator (100, 100', 100", 100"') or its dimension compared with the measurement IFOV and then it is determined whether the temperature measurement of the object can be acceptably calculated. Alternately, data obtained by a matrix of pixel elements may be analyzed to determine whether an accurate temperature can be calculated.
A system and method of conducting a full system test on a non-contact voltage detector while simultaneously shielding the voltage detector's antenna from stray electric fields is disclosed. When a user runs the self-test, an alternating current generator capacitively couples to the antenna through an antenna shielding to detect any breaks in the antenna. The coupled signal is amplified and filtered by the voltage detector's electronics, and triggers an indicator if the voltage detector is fully operative.
A system and method for analyzing a device that includes a mass configured for motion. The system includes a tri-axial accelerometer disposed to detect acceleration vectors of the device and to output three channels of acceleration data, and a user interface receiving the three channels of acceleration data. The user interface is configured to correlate the three channels of acceleration data with a reference frame defined by three orthogonal axes intersecting at a vertex, and includes a display and a selector. The display shows sets of options that represent dispositions of the device with respect to gravity, placements of the tri- axial accelerometer with respect to the device, and orientations of the tri-axial accelerometer with respect to the device. The selector selects one device disposition option, one tri-axial accelerometer placement option, and one tri-axial accelerometer orientation option.
A method and apparatus for automated field calibration of temperature sensors uses a series of readings including a reading of a known source, such as an LED, for use in calculating a factor that is compared to a reference for adjusting the sensor output signal. Calibration readings are taken more frequently after start up to compensate for sensor drift during storage, as opposed to less frequent readings during operation to compensate for slower sensor drift while operational.
A current clamp meter having a current meter body and a detachable current clamp. The current meter body and the current clamp are configured so that the current clamp is detachable from the current meter body and the meter is operable with the current clamp either attached to the current meter body or detached from the current meter body.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
Au automatic CRC format detection and selection device observes FCS errors during an interval, incrementing counts thereof (26). When a determination is made that an error count threshold has been met (30), the CRC format may be automatically changed in order to enable CRC format detection and switching without requiring a user to have knowledge of the format or how to accomplis its change.
H03M 13/03 - Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
H03M 13/00 - Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
A module latching system and method provides a removable engagement between a module and a main body of an instrument, wherein removal is accomplished by depressing at least two spaced apart actuation points to disengage biased latch members between the module and main body. The module release actuation points are positioned and spaced so as to substantially simultaneously urge the module to move in a release direction as the latch members are disengaged.
B25G 3/18 - Locking or securing devices comprising catches or pawls
F16B 21/00 - Means without screw-thread for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding it; Stud-and-socket releasable fastenings without screw-thread
F16D 1/00 - Couplings for rigidly connecting two coaxial shafts or other movable machine elements
A network test instrument (40) provides maximum compensation of FEXT by use of mutual inductance (30,32,34,36) between one or more signals 1-8. The inductance is suitably formed as a PCB trace component or as discrete components.
H04B 3/32 - Reducing cross-talk, e.g. by compensating
G01R 27/26 - Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants
patents
