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 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
G01C 3/02 - Measuring distances in line of sight; Optical rangefinders - Details
G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
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
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.
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 temperature sensor includes a platinum member having a base portion and a plurality of prongs extending from the base portion. The platinum member is positioned within a housing that includes a first platform having a first support surface supporting the base portion, and a second platform having a second support surface spaced apart from the first support surface. The second support surface supports an end portion of at least one prong of the plurality of prongs, and medial portions of the plurality of prongs between the first and second support surfaces are suspended at a distance from an interior surface of the housing. In some cases, the housing further includes one or more support members between the first and second platforms that project from the interior surface of the housing toward the medial portion of one or more prongs to limit an amount of bending of the prongs.
G01K 7/18 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
A holder secured to a vertical column by a cross support holds an object in a fixed position. The holder includes a tube that can be secured to the cross support. A movable clip at a first end of the tube is configured to hold the object, e.g., a probe held in a calibration bath. The movable clip includes an aperture. When the movable clip is in an extended position, an object can be inserted into the aperture. When the movable clip moves toward a retracted position, the object is held within the aperture. A cap at the second end of the tube is coupled to the movable clip by a spring inside the tube. The movable clip exerts an adjustable holding force on the object by adjusting a number of turns of the spring between the cap and the movable clip. A central holding device may support multiple holders.
Methods and apparatuses that utilize machine learning techniques to identify maintenance assets using sets of machine-health diagnostic images and link individual machine-health diagnostic images to the identified maintenance assets are described. The sets of machine-health diagnostic images may include a set of thermal images, a set of visible-light images, and/or a set of acoustic images. An identified maintenance asset may comprise an individual machine associated with a unique asset identifier. A diagnostic image linking system may acquire machine-health diagnostic images, apply object detection and other computer vision techniques to identify a particular machine within the machine-health diagnostic images, determine machine properties for the particular machine, generate a feature vector using the machine properties, select machine learning models corresponding with maintenance assets, generate predicted answers using the machine learning models, and generate an asset identifier for the particular machine based on the predicted answers.
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.
H01L 21/48 - Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the groups
13.
Display screen or portion thereof with graphical user interface
A temperature measurement system includes an optical resonator, a detector, and a computing subsystem. Light resonates in the optical resonator at resonant wavelengths that vary relative to a temperature in the optical resonator. The detector detects at least two resonant wavelengths of light output from the optical resonator. The computing subsystem determines the temperature of the optical resonator based at least in part on a mathematical operation on the at least two resonant wavelengths of the light output from the optical resonator. The mathematical operation may be a subtraction operation that determines a wavelength difference between two resonant wavelengths. In various implementations, the temperature of the optical resonator is determined based on a mapping of the wavelength difference to the temperature or based on an identified mode of the optical resonator and a mapping of the resonant wavelength to the temperature of the optical resonator in the mode.
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
15.
Analyzer and method for regulations testing of a solar installation
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 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.
G01R 15/12 - Circuits for multi-testers, e.g. for measuring voltage, current, or impedance at will
G08B 7/06 - Signalling systems according to more than one of groups ; Personal calling systems according to more than one of groups using electric transmission
A calibrator having an enhanced user interface (UI) is provided. The calibrator outputs, over an output terminal of the calibrator, an electrical signal. The calibrator presents, on a display of the calibrator, a graphical indication associated with an electrical quantity of the electrical signal. The calibrator or a controller thereof synchronizes a color of the graphical indication with a color emitted by a light indicator associated with the output terminal. The calibrator presents, together with the graphical indication, a signal property GUI element that is selectable and representative of a signal property associated with the electrical signal. In response to user selection of the signal property GUI element, the calibrator displays an editable GUI element permitting user modification of the signal property and the calibrator modifies the electrical signal according to user input.
A sensor probe includes a body having first and second channels that are spaced apart and extend through the body approximately parallel to each other. A first end of a Rogowski coil is fixed within the first channel. The Rogowski coil passes through the second channel and loops back to the first channel where a second end of the Rogowski coil is selectively insertable into the first channel opposite the first end of the Rogowski coil. A non-contact sensor coupled to the body is positioned between the first and second channels to measure a parameter of an insulated conductor situated within the loop formed by the Rogowski coil. The size of an interior region within the loop is selectively adjustable by sliding movement of the Rogowski coil within the second channel.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
20.
OPTICAL GAS IMAGING SYSTEMS AND METHOD COMPATIBLE WITH UNCOOLED THERMAL IMAGING CAMERAS
A thermal imaging system includes an infrared camera, a user interface, and a processor. While an actuation of the user interface is detected, the processor is configured to apply non-uniformity correction (NUC) values to infrared image data in infrared images of a target scene; register the corrected infrared images using image stabilization; perform an image-stabilized optical gas imaging process using the registered infrared images to generate optical gas image data indicating a change in the target scene; and generate a display image including the optical gas image data. Actuation of the user interface may be detected while a depressible trigger is depressed, and no longer detected when the depressible trigger is released. Upon detecting the actuation of the user interface, the processor may perform a NUC process to establish the NUC values. A drift indicator in the display image may indicate movement of the infrared camera from a reference position.
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
G06T 5/50 - Image enhancement or restoration by the use of more than one image, e.g. averaging, subtraction
Accessories are removably received by a non-contact electrical detector for measuring an electrical characteristic without galvanic contact between the accessory and a non-contact sensor in the non-contact electrical detector. In some embodiments, an accessory is positioned in a gap between first and second extensions of the non-contact electrical detector. In some embodiments, an accessory includes first and second recesses on opposite sides of the accessory. First and second clamp arms of a non-contact electrical detector are inserted within the first and second recesses to removably hold the accessory. An external conductive prong of the accessory is electrically coupled, or is selectively electrically coupleable, with an internal conductive prong of the accessory. The external conductive prong is configured to be inserted into a receptacle of an electrical outlet. In use, the accessory positions the internal conductive prong within a sensing area of the non-contact electrical sensor of the non-contact electrical detector.
One or more implementations of the present disclosure are directed to sensor probes of measurement systems for measuring a plurality of electrical parameters, (e.g., voltage, current) of a conductor and methods for measuring same. In at least one implementation, the sensor probe integrates a Rogowski coil and a non-contact voltage sensor that are arranged relative to each other such that when positioned to measure a conductor, such as a wire, the Rogowski coil and the non-contact voltage sensor are held in proper position for measurement.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
25.
MODAL LAUNCH CONDITION USING BEND-INSENSITIVE MULTIMODE FIBER
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 method and apparatus for calibrating an impedance measurement device are provided. The impedance measurement device outputs a first AC signal to a phase-locked current generator. The phase-locked current generator generates 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 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 based on the measured impedance value and the known impedance value of the presented impedance.
G01R 35/00 - Testing or calibrating of apparatus covered by the other groups of this subclass
G01R 17/02 - Arrangements in which the value to be measured is automatically compared with a reference value
G01R 27/16 - Measuring impedance of element or network through which a current is passing from another source, e.g. cable, power line
G01D 5/243 - 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 electric or magnetic means influencing the phase or frequency of ac
28.
HIGH-ACCURACY TEMPERATURE SCREENING IN DYNAMIC AMBIENT CONDITIONS
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.
Apparatus and methods for testing network cabling includes processing circuitry that receives an indication of a user-selected network test of a plurality of network tests. The respective network tests have respective sets of test requirements with different levels of rigor. The test circuitry conducts a wire map test to identify which network tests can be conducted. Thereafter, a common set of test results is produced based on measurement of a common set of parameters pertinent to the network tests that can be conducted. The processing circuitry evaluates the common set of test results with respect to the respective sets of test requirements to determine one or more passing network tests. A plurality of test reports corresponding to the plurality of network tests is graphically displayed along a curve having a common center, wherein each test report indicates whether the corresponding network test is a passing network test.
Feed forward compensation of parasitic capacitance in a device frontend is provided. A feed forward element is positioned along at least a portion of a length of a first input resistance and a distance away from the first input resistance. In some implementations, the feed forward element has a width that is increasing along the at least a portion of the length of the first input resistance. The feed forward element is operative to introduce an element capacitance that offsets a parasitic capacitance in a volume surrounding the first input resistance.
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 11/26 - Measuring temperature based on physical or chemical changes not covered by group , , , or using measurement of acoustic effects of resonant frequencies
G02B 6/42 - Coupling light guides with opto-electronic elements
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
35.
Platinum resistance temperature sensor having floating platinum member
A temperature sensor includes a main body having a peripheral surface that extends along an axis between ends of the main body. A plurality of support structures are arranged along the main body and project from the peripheral surface of the main body transversely to the axis. A sleeve has a cavity defined by one or more sidewalls extending between first and second ends. The main body of the temperature sensor is positioned within the cavity. A platinum member having a length that extends along the main body is supported by a set of support structures of the plurality of support structures. In some cases, a seal member extends between the one or more sidewalls at the first end of the sleeve and seals the main body and the platinum member within the cavity. Measurement terminals may extend from the platinum member to an exterior of the temperature sensor.
G01K 7/18 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
G01K 1/14 - Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
Systems and methods can be used for analyzing image data to determine an amount of vibration and/or misalignment in an object under analysis. In some instances, as operating equipment heats up during operation, temperature changes of various portions of the operating equipment leads to changes in dimensions of such portions, leading to misalignment. Multiple sets of data representative of the operating equipment in multiple operating conditions can be used to determine an amount of misalignment due to thermal offsets. Hot and cold temperatures of the equipment can be used to calculate thermal growth of various portions of the equipment, which can be used to determine an amount a misalignment due to thermal offsets. Additionally or alternatively, image data representing the equipment can be used to observe changes in alignment between states.
A system for testing an optical fiber includes an optical source apparatus and an optical image sensor apparatus. The optical source apparatus includes a fiber optic connector that connects to a first end of the fiber, and a light emitting device which emits light into the first end of the fiber. The optical image sensor apparatus includes a fiber optic connector that connects to a second end of the fiber, an image sensor that receives light output from the second end of the fiber and generates corresponding image data, a lens array in an optical path between the fiber optic connector and the image sensor, and a processor coupled to the image sensor. The processor, in operation, determines a set of two-dimensional positions based on the image data output from the image sensor, and determines a test result based on the set of two-dimensional positions.
H04B 10/079 - Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
H04B 10/25 - Arrangements specific to fibre transmission
G01M 11/00 - Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
G02B 6/42 - Coupling light guides with opto-electronic elements
G02B 6/028 - Optical fibres with cladding with core or cladding having graded refractive index
The present disclosure is directed to carrier device, and related systems. A device may include a handle and at least one attachment device coupled to the handle. The at least one attachment device may be configured to couple to a solar module, wherein each attachment device includes at least one of a channel for receiving a portion of a frame of the solar module.
B65G 49/06 - Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
A multi-stage electric gas pump includes a driving mechanism and an eccentric shaft including a main body having a longitudinal axis, a first eccentric portion, and a second eccentric portion, wherein the first eccentric portion and the second eccentric portion are fixed on the main body. The eccentric shaft is driven by the driving mechanism to produce a first circular movement of the first eccentric portion around the longitudinal axis and a second circular movement of the second eccentric portion around the longitudinal axis, wherein the second circular movement is synchronized with the first circular movement. The multi-stage electric gas pump further includes a first cylinder, a second cylinder, and a third cylinder. The cylinders in three stages are driven by the eccentric shaft so as to achieve three-stage pressurization of gas.
F04B 49/12 - Control of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for in, or of interest apart from, groups by varying the length of stroke of the working members
F04B 1/24 - Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block having two or more sets of cylinders or pistons inclined to the main shaft axis
F04B 17/03 - Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
A pressure measurement device is configured to adjust a gas pressure in an external gas cavity that is fluidly coupled thereto and measure the adjusted gas pressure in the external gas cavity. The pressure measurement device includes a port, a pressure control module, a port pressure sensor, and a gas discharging port. The pressure measurement device is fluidly coupled to the external gas cavity through the port. The pressure control module is coupled to the port through a gas passage and configured to operably provide pressurized gas to the external gas cavity or draw gas from the external gas cavity. The port pressure sensor is coupled to the port and configured to measure a gas pressure at the port. The gas discharging port is coupled to the port and the pressure control module, and configured to operably discharge gas from the port or the pressure control module to an external environment.
G01L 7/04 - Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements in the form of elastically-deformable gauges in the form of flexible, deformable tubes, e.g. Bourdon gauges
41.
Portable acoustic imaging tool with scanning and analysis capability
Systems and methods directed toward acoustic analysis can include an acoustic sensor array comprising a plurality of acoustic sensor elements, an electromagnetic imaging tool, and a processor in communication with the acoustic sensor array and the electromagnetic imaging tool. The processor can be configured to analyze acoustic data to extract one or more acoustic parameters representative of acoustic signals at one or more locations in an acoustic scene and generate a display image that includes electromagnetic image data and acoustic image data. The display image can further include information indicative of the one or more acoustic parameters at one or more locations in the acoustic scene, such as including acoustic image data in the display image at locations in the scene at which the one or more acoustic parameters satisfies a predetermined condition.
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 3/801 - Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic, or infrasonic waves - Details
A method of determining one or more shading conditions associated with a structure is provided. A method may include determining an azimuth of a reference roof edge relative to an orientation of a first image of a structure. The method may further include determining a relative azimuth of the reference roof edge from a lower hemisphere of a second, different image captured proximate the structure. In addition, the method may include determining one or more shading conditions associated with the structure based on the azimuth of the reference roof edge and the relative azimuth of the reference roof edge.
G06V 10/44 - Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
Systems and methods directed toward acoustic analysis can include a plurality of acoustic sensor arrays, each including a plurality of acoustic sensor elements, and a processor in communication with the plurality of acoustic sensor arrays. The processor can be configured to select one or more of the plurality of acoustic sensor arrays based on one or more input parameters, and generate acoustic image data representative of an acoustic scene based on received acoustic data from the selected one or more acoustic sensor arrays. Such input parameters can include distance information and/or frequency information. Different acoustic sensor arrays can share acoustic sensor elements in common or can be entirely separate from one another. Acoustic image data can be combined with electromagnetic image data from an electromagnetic imaging tool to generate a display image.
A socket tester device includes an electrical plug that is to be inserted into an electrical socket, a tester circuit electrically coupled to the electrical plug, a sound emitting device, a communication device, a processor, and a memory. The tester circuit outputs one or more signals indicating a wiring condition of the electrical socket into which the electrical plug is inserted. The memory stores instructions that, when executed by the processor, cause the processor to receive the one or more signals indicating the wiring condition of the electrical socket into which the electrical plug is inserted, control the communication device to wirelessly transmit a first message that includes data indicating the wiring condition of the electrical socket into which the electrical plug is inserted, and control whether the sound emitting device emits one or more sounds.
G01R 31/69 - Testing of releasable connections, e.g. of terminals mounted on a printed circuit board of sockets, e.g. wall sockets or power sockets in appliances
H01R 13/66 - Structural association with built-in electrical component
46.
Non-contact electrical parameter measurement device with radial dual mounted sensors
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 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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.
An acoustic analysis system includes an acoustic sensor array that receives acoustic signals from a target scene and outputs acoustic data based on the one or more acoustic signals. A processor receives a first set of acoustic data representing a first portion of the target scene and having a first field of view (FOV), generates a first acoustic image based on the first set of acoustic data, receives a second set of acoustic data representing a second portion of the target scene and having a second FOV, wherein the second FOV is different than the first FOV, generates a second acoustic image based on the second set of acoustic data, registers the first acoustic image and the second acoustic image to form an aligned first acoustic image and second acoustic image, and generate a panorama comprising the aligned first acoustic image and second acoustic image for presentation on a display.
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 calibrator lead set, which electrically couples a first device and a second device during calibration of the second device, includes a cable having multiple wires, a first interface connector coupled to a first end of the wires of the cable, and a plurality of second interface connectors coupled to a second end of the wires that is opposite the first end of the wires. The first interface connector includes a connector retaining portion, multiple connection terminals extending from the connector retaining portion, and a sheath extending from the connector retaining portion and surrounding the connection terminals extending from the connector retaining portion. The sheath may be transparent to facilitate positioning of the connection terminals of the first interface connector. The second interface connectors may include a first sheathed, double banana plug connector and a second sheathed, double banana plug connector stackable on the first sheathed, double banana plug connector.
A photonic device has a substrate with one or more optical resonators having a first resonant frequency response relative to temperature and a different second resonant frequency response relative to temperature. A first waveguide optically couples a first light beam having a first frequency to a first optical resonator and a second waveguide optically couples a second light beam having a second frequency to a second optical resonator. An optical shifter may shift an optical characteristic of the second light beam. A detector converts output light from the photonic device into an electric signal having a characteristic indicative of a physical condition, such as temperature, of the photonic device. In some cases, output light from the one or more optical resonators is combined and a temperature of the photonic device is determined from a beat frequency in the combined light. One or more multimode optical resonators may be used.
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
G01J 5/60 - Radiation pyrometry, e.g. infrared or optical thermometry using determination of colour temperature
G02B 6/12 - Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
G01K 11/00 - Measuring temperature based on physical or chemical changes not covered by group , , , or
56.
Temperature measurement system and method using optical signal transmission through an optical interferometer
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 11/3206 - Measuring temperature based on physical or chemical changes not covered by group , , , or using changes in transmittance, scattering or luminescence in optical fibres at discrete locations in the fibre, e.g. using Bragg scattering
G01B 9/02015 - Interferometers characterised by the beam path configuration
G01K 15/00 - Testing or calibrating of thermometers
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
57.
INSPECTION WORKFLOW USING OBJECT RECOGNITION AND OTHER TECHNIQUES
Systems for guiding a user through a workflow routine can include an inspection tool, a user interface, memory, and a processor. The processor can provide instructions via the user interface to perform a workflow routine using the inspection tool and save acquiring inspection data to memory. Instructions can direct a user to which equipment to inspect and/or how to collect inspection data associated with one or more pieces of equipment. Systems can determine which equipment is available for inspection by the user, such as via image recognition or proximity detection, and instruct a user to acquire inspection data associated with such equipment. Workflow routine instructions can be provided to the user via various devices, such as an inspection tool, smartphone, or a tablet.
Systems, devices, and operating methods thereof provide for operation of a display based on detection of defined electrical conditions. Measurement devices may include a housing sized and shaped to be held in a hand, a set of sensor devices for sensing a set of electrical characteristics, processing circuitry, and a display supported by the housing. The measurement devices receive measurements obtained from the sensor devices and determine whether the measurements satisfy criteria for detecting defined electrical conditions in an element under test. Operating modes of the display having different corresponding illumination characteristics are controlled as a result of determining the presence of defined electrical conditions in the element under test.
G08B 5/36 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electromagnetic transmission using visible light sources
60.
SYSTEMS AND METHODS FOR PROJECTING AND DISPLAYING ACOUSTIC DATA
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 17/86 - Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
H04S 7/00 - Indicating arrangements; Control arrangements, e.g. balance control
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 17/86 - Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
H04S 7/00 - Indicating arrangements; Control arrangements, e.g. balance control
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 15/89 - Sonar systems specially adapted for specific applications for mapping or imaging
G01S 19/01 - Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
G01S 15/86 - Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection
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.
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.
H04S 7/00 - Indicating arrangements; Control arrangements, e.g. balance control
G01S 15/86 - Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection
G01C 21/16 - Navigation; Navigational instruments not provided for in groups by using measurement of speed or acceleration executed aboard the object being navigated; Dead reckoning by integrating acceleration or speed, i.e. inertial navigation
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
G01C 3/02 - Measuring distances in line of sight; Optical rangefinders - Details
A current transformer includes first and second transformer assemblies that each respectively comprise first and second groups of stacked iron core components. A first interface and a second interface are defined at an end of the first transformer assembly. A third interface and a fourth interface are defined at an end of the second transformer assembly. At least one of the first interface and the second interface is detachably connected with at least one of the third interface and the fourth interface. When the first and second transformer assemblies are connected with each other, the first and second groups of iron core components are combined to form a plurality of closed ring-shaped iron cores, and coils are respectively wound on at least two closed ring-shaped iron cores. An enclosed area defined between the first and second transformer assemblies causes induced current to be generated in at least one coil.
A sensor probe includes a body, a sleeve that is moveable along the body between open and closed positions, a clamp having first and second jaws that contain an interior region within the clamp, and a non-contact sensor coupled to the sleeve and positioned at or near a perimeter of the interior region within the clamp. When the sleeve is in the open position, the first and second jaws create a gap that allows an insulated conductor to pass into the interior region within the clamp. When the sleeve is in the closed position, the first and second jaws close the gap and thereby close the interior region within the clamp. The size of the interior region is reduced when the sleeve is moved toward the closed position. The non-contact sensor is configured to detect an electrical parameter of the insulated conductor without requiring galvanic contact with the conductor.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
G01R 19/00 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof
69.
Non-contact voltage measurement with adjustable size Rogowski coil
A sensor probe includes a body having first and second channels that are spaced apart and extend through the body approximately parallel to each other. A first end of a Rogowski coil is fixed within the first channel. The Rogowski coil passes through the second channel and loops back to the first channel where a second end of the Rogowski coil is selectively insertable into the first channel opposite the first end of the Rogowski coil. A non-contact sensor coupled to the body is positioned between the first and second channels to measure a parameter of an insulated conductor situated within the loop formed by the Rogowski coil. The size of an interior region within the loop is selectively adjustable by sliding movement of the Rogowski coil within the second channel.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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
A pulse width modulation (PWM) digital-to-analog conversion circuit includes switches 102, 104, 114, 116 controlled by a first PWM signal, and switches 106, 108, 110, 112 controlled by a second PWM signal. A first operational amplifier (op-amp) includes a first input coupled to an output of a filter, and a second input coupled to an output of the first op-amp. During a first time period, an output of a second op-amp is coupled to an input of the filter via switches 102 and 104, and an output of a third op-amp is coupled to the output of the first op-amp via switches 114 and 116. During a second time period, the output of the second op-amp is coupled to the output of the first op-amp via switches 106 and 108, and an output of the third op-amp is coupled to the input of the filter via switches 110 and 112.
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.
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
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 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, which may include 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, which may include 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 13/86 - Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
G01S 13/88 - Radar or analogous systems, specially adapted for specific applications
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
G01S 13/89 - Radar or analogous systems, specially adapted for specific applications for mapping or imaging
H04N 23/667 - Camera operation mode switching, e.g. between still and video, sport and normal or high and low resolution modes
Systems and methods are provided for measuring electrical parameters in a conductor without requiring a galvanic connection. A device includes a body and a clamp jaw assembly movable between an open position that allows a conductor to be moved into a measurement area, and a closed position that secures the conductor within the measurement area. The clamp jaw assembly includes sensors positioned inside a clamp jaw of the clamp jaw assembly. A user may apply a force to an actuator to move the clamp jaw assembly from the closed position into the open position so that the conductor may be positioned and secured in the measurement area. The clamp jaw assembly includes a visual indicator to guide the user to position the conductor within an optimal region in the measurement area. The clamp jaw assembly is sized and dimensioned to automatically position the conductor within the optimal region during measurements.
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
G01R 15/14 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
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.
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
G01M 99/00 - Subject matter not provided for in other groups of this subclass
G06F 15/00 - Digital computers in general; Data processing equipment in general
G08B 5/00 - Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
G01D 7/02 - Indicating value of two or more variables simultaneously
G16H 10/40 - ICT specially adapted for the handling or processing of patient-related medical or healthcare data for data related to laboratory analysis, e.g. patient specimen analysis
H04N 23/80 - Camera processing pipelines; Components thereof
G06V 10/75 - Image or video pattern matching; Proximity measures in feature spaces using context analysis; Selection of dictionaries
G06T 11/20 - Drawing from basic elements, e.g. lines or circles
Systems and methods provide for display of a deficiency indicator in response detection of a defined deficiency in an electric signal in an insulated wire. Measurement systems may include a housing sized and shaped to be held in a hand, a set of sensors for sensing a set of electrical characteristics of the electric signal, one or more processors, and a display provided on a surface of the housing. The measurement system may obtain measurements from the set of sensors and detect a presence of the defined deficiency based on the set of measurements. In response to detecting the presence of the defined deficiency, the measurement system may display a deficiency indicator that is representative of the defined deficiency detected.
A platinum resistance temperature sensor having a housing that contains a platinum member. The housing includes a first substrate having a first support and a second support spaced apart from an upper surface of the first substrate. The first support of the first substrate supports a first portion of the platinum member and the second support supports a second portion of the platinum member. Medial portions of the platinum member are suspended over the upper surface of the first substrate between the first support and the second support.
G01K 7/18 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a linear resistance, e.g. platinum resistance thermometer
G01K 1/14 - Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
Systems and methods for measuring DC voltage of an insulated conductor (e.g., insulated wire) are provided, without requiring a galvanic connection between the conductor and a test electrode or probe. A non-contact DC voltage measurement device may include a conductive sensor that is mechanically oscillated. The device may also include a conductive internal ground guard that is galvanically isolated from the conductive sensor, and a conductive reference shield that is galvanically insulated from the internal ground guard. The device may further include a common mode reference voltage source that generates an alternating current (AC) reference voltage, and a sensor signal measurement subsystem electrically coupled to the conductive sensor. Control circuitry may receive a sensor current signal from the sensor signal measurement subsystem, and determine the DC voltage in the insulated conductor based at least in part on the received sensor current signal.
An amplifier circuit includes: a Schmidt trigger having an input electrically coupled to an input of the amplifier circuit, a switching network electrically coupled to an output of the Schmidt trigger, an inductor electrically coupled to the switching network, a first resistor electrically coupled to the inductor, a capacitor electrically coupled to the first resistor, a first feedback circuit that provides a first feedback signal to the input of the Schmidt trigger based on a voltage at a first node electrically coupled to the first resistor and to the capacitor, a second resistor electrically coupled to the output of the amplifier circuit, a third resistor electrically coupled to the second resistor, and a second feedback circuit that provides a second feedback signal to the input of the Schmidt trigger based on a voltage at a second node electrically coupled to the second resistor and to the third resistor.
A method of determining solar radiation exposure at a predetermined location is provided. The method may include generating a first two-dimensional (2D) matrix including a plurality of elements, wherein each element of the plurality of elements of the first 2D matrix includes an elevation/azimuth pair representing a light ray extending from the predetermined location to one or more positions in the sky. The method may further include generating a second 2D matrix including a plurality of elements, wherein each index of the second 2D matrix includes an associated elevation/azimuth pair of the first 2D matrix. Each element of the plurality of elements of the second 2D matrix represents an amount of solar radiation to impinge on the predetermined location from a direction of a respective elevation/azimuth pair.
G01S 3/786 - Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
A circuit that outputs a current which is proportional to an input voltage includes input and output terminals, a comparator, first and second transistors, an inductor, a first resistor, and a differential amplifier. A first input terminal of the comparator is coupled to the input terminal of the circuit, and a second input terminal of the comparator is coupled to an output terminal of the comparator. The first and second transistors are coupled to the output terminal of the comparator. The inductor is coupled to the first and second transistors. The first resistor is coupled between the inductor and the output terminal of the circuit. The differential amplifier includes a first input terminal coupled to a first terminal of the first resistor, a second input terminal coupled to a second terminal to the first resistor, and an output terminal coupled to the first input terminal of the comparator.
Systems and methods can be used for analyzing image data to determine an amount of vibration and/or misalignment in an object under analysis. In some instances, as operating equipment heats up during operation, temperature changes of various portions of the operating equipment leads to changes in dimensions of such portions, leading to misalignment. Multiple sets of data representative of the operating equipment in multiple operating conditions can be used to determine an amount of misalignment due to thermal offsets. Hot and cold temperatures of the equipment can be used to calculate thermal growth of various portions of the equipment, which can be used to determine an amount a misalignment due to thermal offsets. Additionally or alternatively, image data representing the equipment can be used to observe changes in alignment between states.
patents
