14th week of 2022 patent applcation highlights part 30 |
Patent application number | Title | Published |
20220107337 | OPTICAL SENSING SYSTEM AND OPTICAL NAVIGATION SYSTEM - an optical sensing system comprising: a processing circuit; a first calibration optical sensor, comprising a first sensor edge and a second sensor edge opposite to the first sensor edge; and a second calibration optical sensor, away from the first calibration optical sensor for a first distance, comprising a third sensor edge and a fourth sensor edge opposite to the third sensor edge. The processing circuit determines a target object has moved for a target distance if an object pattern of the target object moves from a first location in the first calibration sensor to a second location in the second calibration sensor, wherein a first sum of a second distance which is between the first location and the first sensor edge and a third distance between the second location and the third sensor edge equals to a reference distance. | 2022-04-07 |
20220107338 | ROBUST SIGNAL PATH PLAUSIBILITY CHECK FOR FUNCTIONAL SAFETY OF A SENSOR - A monitoring device of a sensor may obtain a first signal at a point on a first branch of a signal path of the sensor. The monitoring device may obtain a second signal at a point on a second branch of the signal path of the sensor and may monitor the first signal for first characteristics indicated by the first signal. The monitoring device may monitor the second signal for second characteristics indicated by the second signal. The monitoring device may determine whether a quantity of first characteristics indicated by the first signal without a particular quantity of second characteristics being indicated by the second signal reaches a threshold quantity of first characteristics. The monitoring device may assess functionality of the signal path based on whether the quantity of first characteristics indicated by the first signal without a particular quantity of second characteristics being indicated by the second signal reaches the threshold quantity of first characteristics. | 2022-04-07 |
20220107339 | Torsion Wing Probe Assembly - A torsional probe for a metrology instrument includes a cantilever coupled to a support structure via a torsion bar. The cantilever, support structure, and arms of torsion bar have substantially the same thickness. A method of manufacture of the torsion probe, as well as a method of using the torsion probe to measure photothermal induced surface displacement of a sample are also described. | 2022-04-07 |
20220107340 | METHOD AND APPARATUS FOR EXAMINING A MEASURING TIP OF A SCANNING PROBE MICROSCOPE - The present invention relates to a method for examining a measuring tip of a scanning probe microscope, wherein the method includes the following steps: (a) generating at least one test structure before a sample is analyzed, or after said sample has been analyzed, by the measuring tip; and (b) examining the measuring tip with the aid of the at least one generated test structure. | 2022-04-07 |
20220107341 | COMPACT OPTO-ELECTRIC PROBE - Described are various configurations for performing efficient optical and electrical testing of an opto-electrical device using a compact opto-electrical probe. The compact opto-electrical probe can include electrical contacts arranged for a given electrical contact layout of the opto-electrical device, and optical interface with a window in a probe core that transmits light from the opto-electrical device. An adjustable optical coupler of the probe can be mechanically positioned to receive light from the device's emitter to perform simultaneous optical and electrical analysis of the device. | 2022-04-07 |
20220107342 | ELECTRICAL COMPONENT INSPECTION INSTRUMENT - An electrical component inspection instrument includes a substrate and a rod-shaped conductor component having one end for contact with a conductor of an electrical component which is an object to be inspected. A conductor pattern on a board surface of the substrate reaches an edge of the substrate, and the other end of the rod-shaped conductor component is electrically connected to the conductor pattern at the edge of the substrate. A direction in which the rod-shaped conductor component extends is orthogonal to the direction of the normal to the board surface of the substrate. | 2022-04-07 |
20220107343 | CIRCUIT ENERGIZATION STATUS TEST DEVICE AND METHOD - Disclosed herein are devices ( | 2022-04-07 |
20220107344 | MICRO-DISCONTINUITY MEASUREMENT AND SIMULATION DEVICES AND METHODS - An electrical measurement apparatus may include a bias voltage generator configured to generate and output a bias voltage, a bias probe coupled to the output of bias voltage generator configured to apply voltage bias to a first portion of an external circuit which may be subjected to environmental stresses such as vibration, temperature, humidity etc., a measurement probe configured to receive a second electrical signal from a second portion of the external circuit, and a control unit configured to control the bias voltage generator to generate different bias voltages, patterns, AC/DC etc., receive the second electrical signal from the measurement probe and cause the device to output a response in the second electrical signal to the time-domain discontinuity in the first electrical signal. | 2022-04-07 |
20220107345 | ELECTRONIC CIRCUIT AND SENSOR SYSTEM - An electronic circuit including an output circuit capable of reducing breakage while satisfying the characteristics of an output signal is provided. For this purpose, the electronic circuit includes output signal generation elements | 2022-04-07 |
20220107346 | METHOD AND APPARATUS FOR NON-INTRUSIVE PROGRAM TRACING WITH BANDWITH REDUCTION FOR EMBEDDED COMPUTING SYSTEMS - Systems and methods for non-intrusive program tracing of a device are disclosed. The methods involve generating a program trace signal from at least one of power consumption and electromagnetic emission of the device; digitizing and decomposing the program trace signal into at least two digital program trace component signals including a low frequency program trace component and one or more high frequency program trace component signals; classifying fragments of the at least two digital program trace component signals of the program trace signal as at least one of a known portion of program code and an observed behavior of the device. Each of the at least two digital program trace component signals have different frequency bands and the bandwidth of each program trace component signal is smaller than the bandwidth of the program trace signal. Each of the high frequency program trace component signals include an envelope. | 2022-04-07 |
20220107347 | PHASE DETECTOR - A phase detector includes: a phase shift circuit to phase-shift a first positive-phase signal included in a first differential signal and a first negative-phase signal included in the first differential signal, and phase-shift a second positive-phase signal included in a second differential signal and a second negative-phase signal included in the second differential signal; a multiplication circuit to perform multiplication of two signals for all combinations of the first positive-phase signal and the first negative-phase signal with the phase-shifted second positive-phase signal and the phase-shifted second negative-phase signal, and perform multiplication of two signals for all combinations of the phase-shifted first positive-phase signal and the phase-shifted first negative-phase signal with the second positive-phase signal and the second negative-phase signal; and a phase difference calculating circuit to calculate a phase difference between the first differential signal and the second differential signal using multiplication signals of the multiplication circuit. | 2022-04-07 |
20220107348 | RELATED INTERFERENCE WAVE PRESENTATION DEVICE AND METHOD - A related interference wave presentation device includes a class specifying processer circuitry configured to specify a class to which a reference interference wave, which is a referenced interference wave, belongs, using a learned model generated by machine learning of sample data including interference waves to specify a class to which an interference wave belongs based on feature values of the interference wave, a related interference wave information generator configured to retrieve the sample data based on the class to which the reference interference wave belongs and generate related interference wave information which is information about a related interference wave; and a presentation controller configured to perform control to present the related interference wave information in part or in whole. | 2022-04-07 |
20220107349 | ELECTRIC FIELD SENSOR - An electric field sensor includes a light source; an electro-optical crystal, a first separator, a first wavelength plate, first and second light receivers, a differential amplifier, and a controller. The electro-optical crystal has light from the light source incident thereon and receives an electric field generated by an object. The first separator separates light emitted from the electro-optical crystal into a P wave and an S wave. The first wavelength plate changes a phase of light at a pre-stage of the first separator. The first and second light receivers receive the P wave and S-wave light respectively, and convert the received light into first and second electrical signals, respectively. The differential amplifier generates a differential signal between the first and second electrical signals. The controller adjusts a wavelength of the light source such that an output value of a direct-current component of the differential amplifier is within a value range. | 2022-04-07 |
20220107350 | System and method for performing electromagnetic compatibility measurements - The present invention provides a system and a method for performing electromagnetic compatibility measurements. A signal source generates a test signal which is amplified by an amplifier. Overdriving of the amplifier is prevented by limiting the test signal applied to the amplifier below a predefined threshold value. | 2022-04-07 |
20220107351 | APPARATUS AND METHOD FOR OPERATING ARC SUPPRESSION COIL - An apparatus and a method for operating an arc suppression coil in an electric power network are disclosed. The arc suppression coil is operated off-resonance with respect to a normal state resonance point of the electric power network during normal operation of the electric power network. An indication for an occurrence of an earth fault in the electric power network is received and, in response to the indication, the arc suppression coil is tuned towards resonance with respect to the normal state resonance point, while the earth fault is present in the electric power network. | 2022-04-07 |
20220107352 | PARTIAL DISCHARGE DETECTOR AND ASSOCIATED METHOD - An apparatus and method for detecting a partial discharge produced at a discharge site in electrical equipment or accessories are provided. The apparatus includes two sensors having an operating range below 30 Megahertz, between 5 and 30 Megahertz, between 14 and 20 Megahertz, or centered at 18 Megahertz. The apparatus includes an acquisition module, a processor and an alarm module producing an alarm upon detection of a partial discharge in the electrical equipment or accessories. The method includes detecting magnetic fields with the sensors, generating and receiving two signals and producing a resulting signal by processing the two signals. The processor is configured to issue alarm instructions if the resulting signal exhibits a property representative of a detection of the partial discharge and otherwise remain in a standby state (ready for signal detection). The method includes generating an alarm after issuing the alarm instructions. | 2022-04-07 |
20220107353 | ELECTRICAL CONTROL DEVICE DETECTION CIRCUIT, DETECTION METHOD, AND ELECTRIC VEHICLE - This application discloses an electrical control device detection circuit, a detection method, and an electric vehicle. The detection circuit includes a drive circuit configured to detect an electrical control device. The drive circuit includes a drive power module, a high-side switch unit, and a low-side switch unit. The detection circuit includes: a detection power module, a first switch module, a second switch module, a first detection module, a second detection module, and a control module. The control module is configured to obtain an electrical signal at a third end of the first detection module and/or an electrical signal at a second end of the second detection module; and determine, based on the electrical signal at the third end of the first detection module and/or the electrical signal at the second end of the second detection module, whether a fault occurs in the drive circuit of the electrical control device. | 2022-04-07 |
20220107354 | RECEIVING DEVICE, MOBILE TERMINAL TEST APPARATUS PROVIDED WITH RECEIVING DEVICE, AND MOBILE TERMINAL TEST METHOD - A receiving device includes a reception unit that samples a sample signal from a DUT | 2022-04-07 |
20220107355 | SUBSTRATE TESTING APPARATUS - A substrate testing apparatus configured to perform a hot electron analysis (HEA) test for analyzing a stand-by failure in a substrate includes a heating chuck having a first surface configured to support the substrate and a second surface opposite to the first surface. The heating chuck is configured to heat the substrate and has an aperture passing through the first surface and the second surface. A substrate moving device moves the substrate on the heating chuck in a lateral direction. A camera is under the heating chuck and photographs the substrate, which is exposed by the heating chuck aperture. | 2022-04-07 |
20220107356 | TEST CIRCUIT - A test circuit and a method for testing an integrated circuit are provided. The integrated circuit includes a test circuit. The test circuit includes a conductive track extending over at least a portion of the periphery of the integrated circuit, at least one component and an activation circuit adapted to deviating an input data signal into the conductive track during a test mode, and to transmitting the input data signal to the at least one component during a normal operating mode. | 2022-04-07 |
20220107357 | HOUSING WITH ANTI-DISLODGE CAPABILITY - A contactor assembly for a testing system is disclosed. The assembly includes a contact having a contact tail and a housing having a top surface and a bottom surface. A slot extends through the housing from the top surface to the bottom surface and defines a first inner side wall of the housing and a first inner end wall. The contact is receivable in the slot. The contact tail includes a sloped terminus. A retainer is disposed on the first inner side wall. When the sloped terminus is engaged with the first inner end wall, at least a portion of the retainer overlaps with the contact forming at an overlapping area in a cross-sectional view, thereby preventing removal of the contact from the top side of the housing. | 2022-04-07 |
20220107358 | ELECTRONICS TESTER - A tester apparatus is described. Various components contribute to the functionality of the tester apparatus to facilitate movement of a wafer pack holding a vacuum without human oversight. These functionalities include a latch system to keep the wafer pack intact and a pressure sensing system to detect and relay a pressure in the wafer pack. | 2022-04-07 |
20220107359 | COMPLIANT GROUND BLOCK AND TESTING SYSTEM HAVING COMPLIANT GROUND BLOCK - A compliant ground block for a testing system for testing integrated circuit devices is disclosed. The compliant ground block includes a plurality of electrically conductive blades in a side by side generally parallel relationship. The blades are configured to be longitudinally slidable with respect to each other. The block also includes an elastomer configured to retain the plurality of blades. Each blade of the plurality of blades includes a first end and a second end opposite to the first end in the longitudinal direction. The plurality of blades is arranged so that the first end of each blade of the plurality of blades is opposite to the first end of an adjacent blade in the longitudinal direction so that the first end of one blade is adjacent the second end of the adjacent blade. The elastomer is at least tubular (e.g., hollow or solid cylindrical) in part and non-conductive. | 2022-04-07 |
20220107360 | THERMAL SOLUTION FOR MASSIVELY PARALLEL TESTING - An apparatus for thermal control of a device under test (DUT) includes a cooling structure operable to provide cooling, the cooling structure operable to inlet cooling material via an inlet port thereof and operable to outlet. cooling material via an outlet port thereof, a variable thermal conductance material (VTCM) layer disposed on a surface of the cooling structure, and a heater layer operable to generate heat based on an electronic control, and wherein the VTCM layer is operable to transfer cooling from the cooling structure to the heater layer. A thermal interface material layer is disposed on the heater layer. The thermal interface material layer is operable to provide thermal coupling and mechanical compliance with respect to the DUT. The apparatus includes a compression a a mechanism for providing compression to the VTCM layer to vary a thermal conductance of the VTCM layer. The compression mechanism is also for decoupling the VTCM layer from the heater layer. | 2022-04-07 |
20220107361 | Two-Port On-Wafer Calibration Piece Circuit Model and Method for Determining Parameters - The present application provides two-port on-wafer calibration piece circuit models and a method for determining parameters. The method includes: measuring a single-port on-wafer calibration piece circuit model corresponding to a first frequency band to obtain a first S parameter; calculating, according to the first S parameter, an intrinsic capacitance value of a two-port on-wafer calibration piece circuit model corresponding to the single-port on-wafer calibration piece circuit model; measuring the two-port on-wafer calibration piece circuit model corresponding to the terahertz frequency band to obtain a second S parameter; and calculating a parasitic capacitance value and a parasitic resistance value of the two-port on-wafer calibration piece circuit model according to the second S parameter and the intrinsic capacitance value. | 2022-04-07 |
20220107362 | 3D TAP & SCAN PORT ARCHITECTURES - This disclosure describes die test architectures that can be implemented in a first, middle and last die of a die stack. The die test architectures are mainly the same, but for the exceptions mentioned in this disclosure. | 2022-04-07 |
20220107363 | METHOD AND DEVICE FOR MONITORING CONNECTION OF SEMICONDUCTOR OF POWER MODULE - The invention: determines if the duration of the conducting state of the semiconductors in a first cycle of the pulse width modulation is upper than a predetermined duration, measures, during the conducting state of the semiconductors at a second cycle, the voltage provided to the load, sequentially disables the conduction of each semiconductor during a part of the duration of the conducting state of the semiconductors in a third cycle and measures the voltage provided to the load, determines the differences between the voltage measured during the second cycle and each voltage measured during the third cycle, orders the differences according to their value, checks if the determined order is identical to an order stored in a memory of the device and determines that one connection of one semiconductor is deteriorated if the order is changed. | 2022-04-07 |
20220107364 | SELF-TEST CIRCUIT FOR AN INTEGRATED CIRCUIT, AND METHOD FOR OPERATING A SELF-TEST CIRCUIT FOR AN INTEGRATED CIRCUIT - A self-test circuit for an integrated circuit, having a plurality of scan chains is provided, wherein each of the scan chains has a plurality of first memory elements, a data input for providing the scan chain with test data, wherein the data input is connected to one of the first memory elements, a plurality of second memory elements, and a switching apparatus having a first and a second switching position, which switching apparatus is coupled between the first memory elements and the second memory elements and is configured to respectively connect a last one of the first memory elements to a data output in the first switching position and to respectively connect the last one of the first memory elements to a first one of the second memory elements in the second switching position. | 2022-04-07 |
20220107365 | Transformer Test System and Method - A system for testing a transformer includes a voltage source configured to apply an input voltage to a secondary winding of the transformer, the input voltage is configured to induce a voltage in a primary winding of the transformer. A primary voltmeter is configured to measure the induced voltage in the primary winding, a plurality of secondary voltmeters configured to measure voltage in a plurality of secondary windings of the transformer, and one or more phase angle meters to simultaneously measure a plurality of phase angles between the primary voltage and each of the plurality of secondary voltages. A controller is connected to the voltage source, the primary voltmeter, the plurality of secondary voltmeters, and the one or more phase angle meters, the controller is configured to calculate a plurality of winding ratios based on the voltage and phase angle measurements, the controller is also configured to identify all secondary taps. | 2022-04-07 |
20220107366 | OPTICAL MONITORING TO DETECT CONTAMINATION OF POWER GRID COMPONENTS - A monitoring system includes an array of optical sensors disposed within a transformer tank. Each optical sensor is configured to have an optical output that changes in response to a temperature within the transformer tank. An analyzer is coupled to the array of optical sensors. The analyzer is configured to determine a sensed temperature distribution based on the sensed temperature. The sensed temperature distribution is compared to an expected distribution. Exterior contamination of the transformer tank is detected based on the comparison. | 2022-04-07 |
20220107367 | OPTICAL MONITORING FOR POWER GRID SYSTEMS - A monitoring system for a power grid includes one or more power transformer monitors. Each power transformer monitor includes a plurality of optical sensors disposed on one or more optical fibers that sense parameters of the power transformer. Each optical sensor is configured to sense a power transformer parameter that is different from a power transformer parameter sensed by at least one other sensor of the plurality of optical sensors. An optical coupler spatially disperses optical signals from the optical sensors according to wavelength. A detector unit converts optical signals of the optical sensors to electrical signals representative of the sensed power transformer parameters. | 2022-04-07 |
20220107368 | MULTI-PHASE FAULT IDENTIFICATION IN CAPACITOR BANKS - Systems, methods, and devices are provided for identifying multiple faults across multiple phases of a multi-phase and/or multi-section capacitor bank. A protection device may measure various voltages and currents within the capacitor bank. A phase angle of the measured voltages and currents may be used to determine a location of the faults therein. For example, a phase angle of a compensated unbalance voltage may be compared to a phase angle of a positive-sequence voltage of the capacitor bank. A logic controller may use a difference between the phase angle of the compensated unbalance voltage and the phase angle of the positive-sequence voltage to determine a location (e.g., a phase and/or a section of the capacitor bank) of the faults in the capacitor bank, | 2022-04-07 |
20220107369 | MAGNETIC FIELD SENSOR WITH AN ADJUSTABLE THRESHOLD FOR STRAY FIELD IMMUNITY - A magnetic field sensor for detecting motion of an object includes one or more magnetic field sensing elements configured to generate a magnetic field signal in response to a magnetic field associated with the object and a detector configured to generate a comparison signal having edges occurring in response to a comparison of the magnetic field signal and a threshold signal and occurring at a rate corresponding to a speed of motion of the object. A speed monitor responsive to the comparison signal is configured to generate a speed signal having a value indicative of the speed of motion of the object. A threshold generator having an input coupled to receive the speed signal from the speed monitor and an output coupled to the detector is configured to generate the threshold signal at a first level when the value of the speed signal indicates that the speed of motion of the object is greater than a predetermined speed and at a second level when the value of the speed signal indicates that the speed of motion of the object is less than the predetermined speed. | 2022-04-07 |
20220107370 | INTERFERENCE TYPE PHOTOMAGNETIC FIELD SENSOR DEVICE - An interference type optical magnetic field sensor device | 2022-04-07 |
20220107371 | MAGNETIC FIELD MEASURING APPARATUS AND MAGNETIC FIELD MEASURING METHOD - A magnetic field measuring apparatus includes an A/D conversion unit, an integration unit, and a post-processing unit. The A/D conversion unit is configured to sample a signal at a predetermined sampling frequency and perform conversion into digital data, the signal being based on an output voltage from a superconducting quantum interference device configure to detect a magnetic field emanating from a living organism. The integration unit is configured to obtain a biological magnetic field signal based on a value obtained by integrating the digital data, the biological magnetic field signal indicating a magnetic field emanating from the living organism. The post-processing unit is configured to perform decimation processing on the biological magnetic field signal output from the integration unit. | 2022-04-07 |
20220107372 | HALL EFFECT SENSORS - The present disclosure relates to semiconductor structures and, more particularly, to 3-contact hall sensors and methods of manufacture and modes of operation. The structure includes: a plurality of sensing blocks each of which include a plurality of contacts; a first switching element connecting to a first set of sensing blocks of the plurality of sensing blocks; and a second switching element connecting to a second set of sensing blocks of the plurality of sensing blocks. | 2022-04-07 |
20220107373 | PSEUDO FORCE SENSE GENERATION APPARATUS - Provided is a pseudo force sensation providing device that can accurately measure an external magnetic field despite a small size thereof. Provided is a pseudo force sensation providing device including: an electrical actuator that performs physical movement based on a control signal supplied thereto; a contact mechanism that performs periodic asymmetric movement that causes a user to perceive pseudo force sensation, based on physical movement of the actuator; a magnetic sensor that measures an external magnetic field; and a shielding member that is provided between the actuator and the magnetic sensor, and surrounds a portion of the actuator on the side of the magnetic sensor, to block a magnetic field on the side of the magnetic sensor generated by the actuator. | 2022-04-07 |
20220107374 | DEPLOYABLE GUARD FOR PORTABLE MAGNETIC RESONANCE IMAGING DEVICES - According to some aspects, an apparatus is provided comprising a deployable guard device, configured to be coupled to a portable medical imaging device, the deployable guard device further configured to, when deployed, inhibit encroachment within a physical boundary with respect to the portable medical imaging device. According to some aspects, an apparatus is provided comprising a deployable guard device, configured to be coupled to a portable magnetic resonance imaging system, the deployable guard device further configured to, when deployed, demarcate a boundary within which a magnetic field strength of a magnetic field generated by the portable magnetic resonance imaging system equals or exceeds a given threshold. | 2022-04-07 |
20220107375 | RF RECEIVER SYSTEM WITH ADJUSTIABLE IMPEDANCE MATCHING - A radio frequency receiver system for an MRI apparatus is provided which includes a receive coil for being attached to a patient to be examined by the MRI apparatus exhibits a total effective coil impedance which is composed of the coil impedance of the coil itself and the patient impedance due to the patient to who the coil is attached. An amplifier which exhibits the lowest noise impedance and which is connected to the receive coil for amplifying a signal received from the receive coil and outputting an amplified output signal. An analog-to-digital converter is connected to the amplifier for converting the amplified output signal from the amplifier to a digital signal for further processing. A matching network is interconnected between the receive coil and the amplifier and includes a matching system with an adjustable impedance for matching the total effective coil impedance to the lowest noise impedance, and a noise calculation unit which is connected to the analog-to-digital converter for receiving the digital output signal of the analog-to-digital converter and is configured to calculate the noise of the output signal of the analog-to-digital converter and for adjusting the adjustable impedance of the matching network. In this way, a possibility is provided for calibrating the matching network for every patient individually before the scanning process. | 2022-04-07 |
20220107376 | SYSTEM AND METHOD FOR FAT AND WATER DIAGNOSTIC IMAGING - A method for separately acquiring and outputting diagnostic nuclear magnetic resonance images based on water and fat derived signals, which method provides that the separation of the signal components corresponding to the intensity of the resulting pixels or voxels derived from the water of tissues in the body under examination from those signal components derived from the fat tissues in said body under examination of the step is performed by means of a machine learning algorithm, or with automatic learning and which algorithms are configured to classify the signal component as derived from water or fat tissues in the body under examination. | 2022-04-07 |
20220107377 | Magnetic Resonance Imaging Method Of Generating And Displaying Quantitative T1-Weighted Subtraction Maps (dt1 "delta T1" Maps) - A method of generating and displaying quantitative T1-weighted subtraction images or maps, also known as delta T1 maps, using a “FLOW” (red/blue) color look up table (CLUT) automatically without additional processing steps or manual intervention, The delta T1 weighted maps display objective visualization via red image enhancement and spatial visualization of underlying anatomy via computational generation of small values of ‘blue’ non-enhancing regions. | 2022-04-07 |
20220107378 | DEEP LEARNING METHODS FOR NOISE SUPPRESSION IN MEDICAL IMAGING - Techniques for denoising a magnetic resonance (MR) image are provided, including: obtaining a noisy MR image; denoising the noisy MR image of the subject using a denoising neural network model, and outputting a denoised MR image. The denoising neural network model is trained by: generating first training data for training a first neural network model to denoise MR images by generating a first plurality of noisy MR images using clean MR data associated with a source domain and first MR noise data associated with the target domain; training the first neural network model using the first training data; generating training data for training the denoising neural network model by applying the first neural network model to a second plurality of noisy MR images and generating a plurality of denoised MR images; and training the denoising neural network model using the training data for training the denoising neural network model. | 2022-04-07 |
20220107379 | MR SIGNAL PROCESSING APPARATUS - An MR signal processing apparatus according to one embodiment includes processing circuitry. The processing circuitry inputs a plurality of MRS signals acquired by MR spectroscopy on the same target to a trained model, and outputs a parameter for MRS reconstruction. | 2022-04-07 |
20220107380 | ELECTRODE AND CELL FOR IN SITU ELECTROCHEMICAL AND ELECTRON PARAMAGNETIC RESONANCE MEASUREMENTS - Embodiments of the present disclosure describe an electrochemical-electron paramagnetic resonance (EC-EPR) cell comprising a flat cell member positioned between a top capillary member and a bottom capillary member; a working electrode including a metal wire section configured to be housed within the top capillary member, and a flat metal section attached to the metal wire section; and a reference electrode and counter electrode configured to be housed within the top capillary member; wherein the flat metal section is dimensioned to be inserted, along with a catalyst and electrolyte, into the flat cell member; wherein the flat cell member is configured to orient the flat metal section of the working electrode and catalyst in a region of an electron paramagnetic resonance cavity in which a magnetic component of a microwave field is a maximum. | 2022-04-07 |
20220107381 | METHODS AND SYSTEMS FOR LINE-OF-SIGHT (LOS) MULTIPLE-INPUT AND MULTIPLE-OUTPUT (MIMO) COMMUNICATIONS WITH ANTENNA MISALIGNMENTS - A system and a method are disclosed for estimating antenna misalignments in a line-of-sight wireless communication system and using the estimated antenna misalignments to form an optimal beam that may provide the best performance based on the channel conditions. A receiver determines a rotational estimate and a translational estimate of the receiver with respect to a transmitter, and sends feedback information to the transmitter that is used to determine an optimal beamforming matrix for LOS communications between the receiver and the transmitter. The feedback information includes estimated rotational angles and an estimated translational distance between the receiver and the transmitter, or includes an offset angle between a first plane of antennas of the receiver and a second plane of antennas of the transmitter, a normal vector of the first plane of antennas and the estimated translational distance. The antennas may be antenna arrays or single-element antennas. | 2022-04-07 |
20220107382 | DEVICE AND METHOD FOR V2X COMMUNICATION - A method for obtaining, by a vehicle, information regarding its own location through V2X communication is disclosed. Specifically, the method for obtaining location information of a vehicle may comprise the steps of: receiving a V2I message including location information of a road side unit (RSU) from the RSU; receiving a V2X message including reception time information related to a time when the V2I message is received from each of a first surrounding vehicle and a second surrounding vehicle; calculating a relative position of the RSU relative to the current vehicle on the basis of the reception time information and the time at which the current vehicle received the V2I message; and acquiring the location of the current vehicle on the basis of the relative location of the RSU and the location information of the RSU. | 2022-04-07 |
20220107383 | SYSTEM, METHOD AND COMPUTER-ACCESSIBLE MEDIUM FOR REAL TIME IMAGING USING A PORTABLE DEVICE - Exemplary system, method and computer-accessible medium for selecting at least one location of (i) at least one receiver or transceiver or (ii) at least one transmitter or transceiver can be provided. For example, it is possible to facilitate a receipt, from the at least one transmitter or transceiver, of a plurality of signals by the receiver(s) or transceiver(s). Each of the signals has a multipath component. Then, it is possible to determine time of flight (ToF) information and angle of arrival (AoA) information of the multipath components present in the signals. Further, it is possible to determine one or more possible locations of (i) the receiver(s) or transceiver(s) or (ii) the transmitter(s) or transceiver(s) based on the ToF information, the AoA information, and a model of physical surroundings. The location(s) of (i) the receiver(s) or transceiver(s), or (ii) the transmitter(s) or transceiver(s) can be selected based on the one or more possible locations. | 2022-04-07 |
20220107384 | SLOT FORMAT FOR REFERENCE RADAR SIGNAL AND AT LEAST ONE TARGET RADAR SIGNAL BETWEEN BASE STATIONS - In an aspect, a radar controller determines a radar slot format that configures transmission of a reference radar signal on a first symbol over a first link from a first base station to a second base station followed by at least one target radar signal on at least one second symbol over at least one second link from the first base station to the second base station, and transmits an indication of the radar slot format to the first base station and the second base station. The first base station transmits, and the second base station receives, the reference radar signal and the at least one target radar signal in accordance with the radar slot format. | 2022-04-07 |
20220107385 | INTERFERENCE DETECTION IN RADAR RECEIVER MONITORING SYSTEMS - A radio frequency (RF) circuit includes an input terminal configured to receive a reception signal from an antenna; an output terminal configured to output a digital output signal; a receive path including a mixer and an analog-to-digital converter (ADC), wherein the receive path is coupled to and between the input and output terminals, wherein the receive path includes an analog portion and a digital portion, and wherein the ADC generates a digital signal based on an analog signal received from the analog portion; a test signal generator configured to generate an analog test signal injected into the analog portion of the receive path; and a digital processor configured to receive a digital test signal from the digital portion, the digital test signal being derived from the analog test signal, analyze a frequency spectrum of the digital test signal, and determine a quality of the digital test signal. | 2022-04-07 |
20220107386 | RADAR DEVICE AND METHOD FOR OPERATING A RADAR DEVICE - A radar device including a transceiver unit and a signal processing unit. The transceiver unit detects a first measuring range including distances from the radar device in a first predefined distance range and outputs first sensor signals. The transceiver unit detects a second measuring range including distances from the radar device in a second predefined distance range and outputs second sensor signals. The signal processing unit evaluates the first and second sensor signals. The first distance range at least partially differs from the second distance range. The distances of the second distance range are greater than a predefined minimum distance. | 2022-04-07 |
20220107387 | SYSTEMS AND METHODS FOR PROVIDING WIDE BEAM RADAR ARRAYS - A printed circuit board mounted radar system for monitoring a target region, including an array of transmitting antennas mounted to a printed circuit board, an array of receiving antennas mounted to the printed circuit board, a wave deflection mechanism mounted to the printed circuit board configured such that waves transmitted perpendicularly to the board by the array of transmitting antennas are incident upon the wave deflection mechanism and are directed radially away from the board, and waves reflected from objects within the target region radially towards the wave deflection mechanism are directed towards the receiving antennas in a direction perpendicular to the board. | 2022-04-07 |
20220107388 | RADAR UNIT AND CORRESPONDING OPERATING METHOD - In accordance with a first aspect of the present disclosure, a radar unit is provided, comprising: a receiver circuit configured to receive a radar signal; a controller configured to control said receiver circuit, wherein said controller is configured to cause said receiver circuit to operate either in a complex receiver mode or in a real receiver mode. In accordance with a second aspect of the present disclosure, a method of operating a radar unit is conceived, comprising: receiving, by a receiver circuit comprised in the radar unit, a radar signal; controlling, by a controller comprised in said radar unit, said receiver circuit, wherein said controller causes said receiver circuit to operate either in a complex receiver mode or in a real receiver mode. | 2022-04-07 |
20220107389 | RADAR TARGET SIMULATOR WITH CONTINUOUS DISTANCE EMULATION AND CORRESPONDING SIMULATION METHOD - A radar target simulator with no lower target distance limitation and continuous distance emulation is provided. Said radar target simulator comprises a receiving unit configured to receive a radar signal from a radar under test and to provide a corresponding receive signal, and a ramp slope estimating unit. In this context, the ramp slope estimating unit is configured to track the ramp slope of the radar under test on the basis of the receive signal. | 2022-04-07 |
20220107390 | Radar System - A radar system includes a first radar sensor comprising a data combination system and a plurality of radar monolithic chips, wherein each radar monolithic chip includes a first radio frequency front end and a first microprocessor. The first microprocessor is configured to preprocess echo data obtained by the first radio frequency front end. The data combination system is configured to combine and transmit the preprocessed echo data, wherein a processor performs post-processing on the preprocessed echo data to generate point cloud data of the radar system. | 2022-04-07 |
20220107391 | METHOD AND SYSTEM FOR REAL-TIME LANDMARK EXTRACTION FROM A SPARSE THREE-DIMENSIONAL POINT CLOUD - A system and method for processing a 3D point cloud to generate a segmented point cloud in real time are disclosed, the method includes: receiving a sparse 3D point cloud captured by a detection and ranging sensor mounted to a vehicle, the 3D point cloud comprising a plurality of data points, each data point in the 3D point cloud having a set of coordinates in a coordinate system of the detection and ranging sensor; generating, from the 3D point cloud, a range map comprising a plurality of elements, each of the plurality of data points of the 3D point cloud occupying a respective element of the plurality of elements; labelling the data point in each respective element of the range map as one of a pole-like data point or a vertical-plane-like data point; and generating the segmented point cloud including one or more of the labeled data points. | 2022-04-07 |
20220107392 | PROXIMITY SENSOR WITH INTEGRATED ALS - A semiconductor package that is a proximity sensor includes a light transmitting die, a light receiving die, an ambient light sensor, a cap, and a substrate. The light receiving die and the light transmitting die are coupled to the substrate. The cap is coupled to the substrate forming a first chamber around the light transmitting die and a second chamber around the light receiving die. The cap further includes a recess with contact pads. The ambient light sensor is mounted within the recess of the cap and coupled to the contact pads. The cap includes electrical traces that are coupled to the contact pads within the recess coupling the ambient light sensor to the substrate. By utilizing a cap with a recess containing contact pads, a proximity sensor can be formed in a single semiconductor package all while maintaining a compact size and reducing the manufacturing costs of proximity sensors. | 2022-04-07 |
20220107393 | LIGHT SOURCE UNIT, LIGHT SOURCE DEVICE, AND DISTANCE MEASURING DEVICE - Provided is a light source unit capable of enhancing safety and/or generating reflected light having a desired cross-sectional shape, a light source device, and a distance measuring device including the light source unit or the light source device. The light source unit according to the present technology includes a light source and a holder that holds the light source. The holder has a diffuse reflection surface that reflects and diffuses at least part of light from the light source toward an object. The light source device according to the present technology includes a light source and a reflection member that reflects at least part of light from the light source to generate reflected light, in which the reflection member includes a plurality of curved mirrors regularly arranged along a reference plane that the light from the light source enters, and each of the plurality of curved mirrors has curvatures in a first axis direction and a second axis direction orthogonal to each other in the reference plane. | 2022-04-07 |
20220107394 | LASER RECEIVING DEVICE AND LIDAR - The present disclosure relates to a laser receiving device and a LiDAR. An isolation component is provided between a plurality of parallel sensor groups, and an isolation component is provided between a plurality of amplifier groups in parallel, so that a plurality of parallel receiving channels each form an independent current loop, thereby reducing noise crosstalk among signal receiving channels and improving the signal-to-noise ratio of the laser receiving device. | 2022-04-07 |
20220107395 | OPTICAL SYSTEM FOR COLLECTING DISTANCE INFORMATION WITHIN A FIELD - Optical systems and methods for collecting distance information are disclosed. An example optical system includes a first transmitting optic, a plurality of illumination sources, a pixel array comprising at least a first column of pixels and a second column of pixels, each pixel in the first column of pixels being offset from an adjacent pixel in the first column of pixels by a first pixel pitch, the second column of pixels being horizontally offset from the first column of pixels by the first pixel pitch, the second column of pixels being vertically offset from the first column of pixels by a first vertical pitch; and a set of input channels interposed between the first transmitting optic and the pixel array. | 2022-04-07 |
20220107396 | ELEVATION MOTOR DESIGN AND MIRROR PLACEMENT - A scanner for a lidar system configured to direct emitted light to scan a field of regard of the lidar system includes a mirror and an actuator assembly. The mirror includes a first end, a second end, and a reflective surface and is pivotable along a mirror axle. The actuator assembly is disposed at the first end of the mirror and includes an asymmetric motor configured to exert a torque on the mirror to cause the mirror to pivot about the mirror axle. | 2022-04-07 |
20220107397 | LIDAR SYSTEM - According to one embodiment, a LIDAR system includes a laser oscillator, a collimator lens, a scan device, and a prism. The laser oscillator emits laser light. The collimator lens converts the laser light to parallel light. The scan device includes a reflective surface on which the laser light that has passed through the collimator lens is reflected, and a rotation device rotating the reflective surface around a rotation axis. The prism has a first surface and a second surface, and emits, from the second surface, the laser light that has been reflected on the reflective surface to enter the first surface. | 2022-04-07 |
20220107398 | METHOD FOR CONTROLLING WORKING FREQUENCY OF TOF SENSOR, AND APPARATUS, DEVICE, AND MEDIUM - Embodiments of the present disclosure provide a method for controlling a working frequency of a TOF sensor, an apparatus, a device, and a computer-readable storage medium, and the method includes: inputting a target image frame into a preset face detection model for face detection to determine a face region in the target image frame; determining feature information of the face region, according to the face region and depth information of the target image frame acquired by the TOF sensor; and regulating and controlling the working frequency of the TOF sensor, according to the feature information and a preset working frequency of the TOF sensor. The method achieves dynamic regulation and control of the working frequency of the TOF sensor, and significantly improves the user experience. | 2022-04-07 |
20220107399 | POSITION DETECTING DEVICE - A position detecting device includes light-emitting units, a light-receiving unit, an AD conversion unit, a position detecting unit, and an offset unit. The light-emitting units emit optical signals that are intensity-modulated using modulated signal streams of different phases. The light-receiving unit receives light reflected on an object and converts the reflected light into an analog signal. The position detecting unit detects a position of the object based on a digital signal converted by the AD conversion unit. The offset unit offsets a direct-current voltage level of the analog signal output from the light-receiving unit by an offset level, and outputs the analog signal to the AD conversion unit. The offset unit adjusts the offset level so as to cause an average of the analog signal input to the AD conversion unit to approach a median of an input voltage range of the AD conversion unit. | 2022-04-07 |
20220107400 | REAL TIME NOISE DETECTION METHOD AND SYSTEM FOR PHOTON COUNTING PIXEL ARRAY - A single photon counting sensor array includes one or more emitters configured to emit a plurality of pulses of energy, and a detector array comprising a plurality of pixels. Each pixel includes one or more detectors, a plurality of which are configured to receive reflected pulses of energy that were emitted by the one or more emitters. A mask material is positioned to cover some but not all of the detectors of the plurality of pixels to yield blocked pixels and unblocked pixels so that each blocked pixel is prevented from detecting the reflected pulses of energy and therefore only detects intrinsic noise. | 2022-04-07 |
20220107401 | Distributed Clock System for the Synchronization of Instrumentation - A method for a distributed clock system (DCS) device that includes receiving a GPS signal, determining that a first current time equals a predetermined start time, and generating a shifted GPS signal by applying a configurable delay to the received GPS signal, the shifted GPS signal alternating between a low value and a high value. The method includes responsive to a falling edge of the shifted GPS signal, generating an ARM signal having a rising edge after a falling edge of the shifted GPS signal, and responsive to the ARM signal being high and the shifted GPS signal being high, generating an output enable signal. The method includes transmitting, while the output enable signal is high, a triggering signal, the triggering signal having one or more synchronizing pulses that cause one or more sampling devices to sample data according to the frequency associated with the raw clock signal. | 2022-04-07 |
20220107402 | RADAR APPARATUS - A radar apparatus includes: a plurality of transmission antennas that each transmit a transmission signal; and a radar transmitter that applies a Doppler shift amount to the transmission signal transmitted from each of the plurality of transmission antennas. A plurality of the Doppler shift amounts have intervals set by unequally dividing a Doppler frequency range subject to Doppler analysis. | 2022-04-07 |
20220107403 | SYSTEMS AND METHODS FOR INTERPOLATED VIRTUAL APERATURE RADAR TRACKING - A method for interpolated virtual aperture array radar tracking includes: transmitting first and second probe signals; receiving a first reflected probe signal at a radar array; receiving a second reflected probe signal at the radar array; calculating a target range from at least one of the first and second reflected probe signals; corresponding signal instances of the first reflected probe signal to physical receiver elements of the radar array; corresponding signal instances of the second reflected probe signal to virtual elements of the radar array; interpolating signal instances; calculating a first target angle; and calculating a position of the tracking target relative to the radar array from the target range and first target angle. | 2022-04-07 |
20220107404 | SYSTEM AND METHOD OF DETECTING VEHICLES BEYOND A VIEW-BLOCKING VEHICLE - Radar and LiDAR sensors play important roles in autonomous vehicles and ADAS (advanced driving assistance systems) in automobiles, however, they can only detect objects in view (line-of-sight). For example, when three vehicles are driving on road in a same lane, and if the first vehicle suddenly brakes, the third vehicle cannot detect it by regular radar and/or LiDAR because the second vehicle in front blocks the view. This invention discloses system and method to enable radar and/or LiDAR to detect vehicles on road that are blocked in view by another vehicle by specially configured active beacon transmitters, and reduce risks of rear-end collisions. | 2022-04-07 |
20220107405 | FUSION OF DEPTH IMAGER AND RADAR SYSTEM IN A VEHICLE - Systems and methods to perform sensor fusion with a depth imager and a radar system involve transmitting radio frequency (RF) energy from the radar system to a region and simultaneously emitting light to the region using a light source, Reflected light is received at a depth imager aligned with the light source, and RF reflections are received at the radar system. The reflected light is processed to obtain azimuth, elevation, range, variance in range, and reflectivity to each pixel that makes up the region. Processing the RF reflections provides azimuth, elevation, range, variance in range, velocity, and variance in velocity to a subset of the pixels representing a region of interest. Performing the sensor fusion includes using the azimuth, the elevation, the variance in range, and the reflectivity resulting from the depth imager and the range, the velocity, and the variance in velocity resulting from the radar system. | 2022-04-07 |
20220107406 | COMBINATION OPTICAL AND MILLIMETER WAVELENGTH CAMERA - The disclosed handheld camera device is a combination digital optical and millimeter wavelength (MMW) camera. In contrast to an optical camera, the MMW camera detects frequencies between 3-300 GHz making the MMW camera especially good at seeing metallic objects under garments, such as concealed weapons on a person or in a bag. The MMW camera can be arranged to point in the same field-of-view as the optical camera so that when an MMW image is taken it is automatically framed within the optical camera field-of-view. In certain configurations, the MMW camera takes a plurality of MMW images defined within an MMW field-of-view. In the case where the MMW field-of-view is smaller than the optical camera field-of-view, the multiple MMW images can be stitched together and overlaid on the optical image of the same scene to show a metallic object superimposed over a subject of interest. | 2022-04-07 |
20220107407 | SYSTEM - According to one embodiment, a system includes first to fourth transmission antennas, a plurality of reception antennas, and a processor. The processor is configured to acquire a first signal of radio waves which are transmitted by the first and third transmission antennas in a case where the measurement target is at a first position, acquire a second signal of radio waves which are transmitted by the second and fourth transmission antennas in a case where the measurement target is at a second position, and generate information of the measurement target by using the first and second signals. A first interval between the first and third transmission antennas and a second interval between the second and fourth transmission antennas are the same. | 2022-04-07 |
20220107408 | RADAR DEVICE - A radar device for a vehicle includes: two or more receiving channels, each of which includes a mixer. At least one or more of the receiving channels includes: a phased array antenna divided into at least two or more branches to provide sub-array antenna elements; and a first phase shifter and a variable gain amplifier as a high frequency unit disposed between each of the sub-array antenna elements and the mixer. A numerical number of the sub-array antenna elements is equal to or more than a numerical number of the high-frequency units. | 2022-04-07 |
20220107409 | OPTICAL SENSOR DEVICE FOR DETERMINING DISTANCE TO OBJECT AND VELOCITY OF THE OBJECT, AND IDENTIFYING THE SHAPE AND STRUCTURE OF THE OBJECT - A miniature optical sensing device for determining distance to an object and velocity of the object, and identifying the shape and structure of the object, for example, a solid-state LIDAR, and a method for determining distance to an object and velocity of the object, and identifying the shape and structure of the object by using the optical sensing device is provided. The sensing device includes optically coupled one laser radiation source, at least one optical collimator, a beam-splitter, a light reflector, an optical beam guide, at least one detector for detecting radiation reflected from the object, as well as a controller, wherein the at least one detector corresponding to the respective at least one laser radiation source forms individually functioning and individually adjustable measuring channels with the possibility of providing data about the object, and the controller is configured to ensure the simultaneous or selective operation of the measuring channels. | 2022-04-07 |
20220107410 | POSITION DETECTING DEVICE - A position detecting device includes a timing generating unit, light-emitting units, a light-receiving unit, a demodulating unit, an integrator, and a computation unit. The timing generating unit repeatedly and separately generates modulated signal streams of different phases at intervals. The light-emitting units emit optical signals that are intensity-modulated using the modulated signal streams. The light-receiving unit receives light reflected on an object and converts the reflected light into an electric signal. The computation unit calculates a position of the object based on an integration output of the integrator. Before integrating the signal wave that has a component a phase of which is synchronized with the current modulated signal stream, the integrator is preset to a final value of the integration output related to the signal wave that has a component a phase of which is synchronized with the previous modulated signal stream. | 2022-04-07 |
20220107411 | POLARIZATION SEPARATION IN REMOTE IMAGING SYSTEMS - Systems and methods described herein are directed to polarization separation of laser signals and/or incoming light signals associated with an imaging system, such as a Light Detection and Ranging (LIDAR) system. Example embodiments describe a system configured to direct incoming light signals to a polarization separator and capturing the two polarization states of the incoming light signals. In some instances, the laser signal may be converted into two different polarization states. The system may individually process the two polarization states of the incoming light signals along with the corresponding polarization state of the laser reference signal to extract information associated with reflecting objects within the field-of-view of the imaging system. The polarization separator may be a birefringent crystal positioned adjacent to an edge of a photonic integrated circuit (PIC) that is used for processing outgoing and incoming light signals associated with the imaging system. | 2022-04-07 |
20220107412 | POSITION DETECTING DEVICE - A position detecting device includes light-emitting units, a light-receiving unit, a low-frequency cutoff unit, and a position detecting unit. The light-emitting units emit optical signals that are intensity-modulated using modulated signal streams. The light-receiving unit receives reflected light reflected by an object and converts the reflected light into an electric signal. The position detecting unit detects a position of the object based on the electric signal. An initial period or an intermediate period in a modulation period is defined as a first period. A period other than the first period is defined as a second period. The cutoff frequency in the first period is defined as a first cutoff frequency. The cutoff frequency in the second period is defined as a second cutoff frequency. The low-frequency cutoff unit is configured to cause the first cutoff frequency to be higher than the second cutoff frequency. | 2022-04-07 |
20220107413 | TECHNIQUES FOR COMPENSATING FOR EGO-VELOCITY AND TARGET VELOCITY IN THE DIGITALLY-SAMPLED TARGET SIGNAL - A method of compensation in a light detection and ranging (LIDAR) system. The method includes generating a digitally-sampled target signal. The method also includes compensating for ego-velocity and target velocity in the digitally-sampled target signal based on an estimated ego-velocity and an estimated target velocity to produce a compensated digitally-sampled target signal. | 2022-04-07 |
20220107414 | VELOCITY DETERMINATION WITH A SCANNED LIDAR SYSTEM - A scanning imaging sensor is configured to sense an environment through which a vehicle is moving. A method for determining one or velocities associated with objects in the environment includes generating features from the first set of scan lines and the second set of scan lines, the two sets corresponding to two instances in time. The method further includes generating a collection of candidate velocities based on feature locations and time differences, the features selected pairwise with one from the first set and another from the second set. Furthermore, the method includes analyzing the distribution of candidate velocities, for example, by identifying one or more modes from the collection of the candidate velocities. | 2022-04-07 |
20220107415 | LIGHT DIRECTION DETECTOR SYSTEMS AND METHODS - Intensity of a light from a light array comprising a plurality of light sources configured to illuminate in sequence may be detected at two optically isolated points of a motion tracker device. The optically isolated points may be disposed at a distance from one another such that a variation in intensity of light due to shadowing effects from the plurality of light sources is different at the optically isolated points. The optically isolated points may be separated by a T-shaped wall. The motion tracker device may generate a current signal representing a photodiode differential between the two optically isolated points and proportional to the intensity of the light. The current signal may be used for sensor fusion with an inertial measurement unit. | 2022-04-07 |
20220107416 | OPTICAL TIME OF ARRIVAL AIRFOIL MEASUREMENT PROBE - An optical probe includes an optical housing, a transmitting lens and a receiving lens. The optical housing extends from a proximate end to an opposing distal end. The transmitting lens is disposed at the distal end and is configured to output a first transmitted signal beams having a first transmission axis and a second transmitted beam having a second transmission axis that is different from the first transmission axis. The receiving lens is disposed at the distal end and configured to receive the first and second reflected signal beams corresponding respectively to the first and second transmitted signal beams. The optical housing has formed therein a transmitting optical channel configured to communicate an input optical signal from the proximate end to the transmitting lens. A receiving optical channel separated from the transmitting optical channel communicates the first and second reflected signal beams to the proximate end. | 2022-04-07 |
20220107417 | VEHICLE AND METHOD FOR SELECTIVELY REMOVING SPECIFIC POINTS INCLUDED IN MULTIPLE LAYERS OF DATA RECEIVED FROM SENSOR - A device and method are configured to selectively remove specific points included in multiple layers of data received from a sensor. A vehicle may include a LiDAR sensor as the sensor, and a signal processor configured to select a static object included in the multiple layers, to select target layers from among the multiple layers, to define a shape formed by points included in each of the selected target layers, to select a reference layer based on the shape formed by the points, and to remove, based on a distance between a contour formed by the reference layer and each of points of remaining layers and a reference distance, corresponding points from at least one of the remaining layers. | 2022-04-07 |
20220107418 | HYPERSPECTRAL, FLUORESCENCE, AND LASER MAPPING IMAGING WITH FIXED PATTERN NOISE CANCELLATION - Hyperspectral, fluorescence, and laser mapping imaging with reduced fixed pattern noise is disclosed. A method includes actuating an emitter to emit a plurality of pulses of electromagnetic radiation and sensing reflected electromagnetic radiation resulting from the plurality of pulses of electromagnetic radiation with a pixel array of an image sensor. The method includes reducing fixed pattern noise in an exposure frame by subtracting a reference frame from the exposure frame. The method is such that at least a portion of the pulses of electromagnetic radiation emitted by the emitter comprises one or more of: electromagnetic radiation having a wavelength from about 513 nm to about 545 nm, from about 565 nm to about 585 nm, from about 900 nm to about 1000 nm, an excitation wavelength of electromagnetic radiation that causes a reagent to fluoresce, or a laser mapping pattern. | 2022-04-07 |
20220107419 | IMAGE CORRECTION FOR LASERS SCANNERS - In one example, a method may include receiving one or more laser scan of a scene, receiving two or more camera images of the scene, determining one or more decision regions where the camera images are different from one another, detecting edges of the decision regions where the camera images are different from one another, comparing the decision regions where the camera images are different from one another inside of the detected edges with a corresponding region in the laser scan to determine which of the camera images includes a desired region that more closely corresponds to the laser scan, and generating a corrected image including the desired region that more closely corresponds to the laser scan. | 2022-04-07 |
20220107420 | LIGHT RECEIVING DEVICE, RANGING SYSTEM, AND LIGHT RECEIVING METHOD - An object of the present technology is to provide a light receiving device by which an optical displacement having occurred in a light receiving section during manufacturing and assembling, etc. can be corrected. The light receiving device ( | 2022-04-07 |
20220107421 | IMAGE SENSOR OPERATING BASED ON PLURALITY OF DELAY CLOCK SIGNALS - An image sensor includes a plurality of pixels and a phase select circuit. Each pixel outputs a pixel signal corresponding to a photoelectric signal in response to a photo gate signal. The phase select circuit outputs delay clock signals of different phases from each other to an object pixel in response to different integration times from each other in a frame. The phase select circuit includes a plurality of delay circuit cells corresponding to at least some pixels of the plurality of pixels. Each of the plurality of delay circuit cells generates a delay clock signal of a certain phase difference from any one of a reference clock signal and an output signal of another delay circuit cell according to a logic state of a select signal. | 2022-04-07 |
20220107422 | LiDAR DETECTION METHODS AND SYSTEMS - LiDAR systems and methods for detecting objects in a region of interest (ROI) of a vehicle comprising: a radiation source component configured to emit output beams; a scanner component configured to direct the output beams onto the ROI; a receiver component configured to receive input beams reflected from objects in the region of interest along an inner detection pathway; a shutter component configured to modulate between closed and open positions, the inner detection pathway being at least partially blocked when the shutter component is in the closed position, and being open when the shutter component is in the open position; a controller component communicatively coupled to the shutter component such that: the shutter component is in the closed position while the radiation source component is emitting the output beams, and is in the open position while receiving the reflected input beams of the given output beams from the ROI. | 2022-04-07 |
20220107423 | HIGH SPECTRAL RESOLUTION SCHEIMPFLUG LIDAR - A method is provided for detecting a property of a gas comprising: emitting a light, comprising a plurality of wavelengths covering a plurality of absorption lines of the gas, along a first axis, the light being scattered by particles of the gas resulting in a scattered light, generating a sensor image using a detection arrangement configured to receive the scattered light and comprising: an optical arrangement having an optical plane and being configured to direct the scattered light on to a light sensor, the light sensor having at least one pixel columns, wherein the pixel columns are aligned to an image plane and configured to output a sensor image, wherein the first axis, the optical plane, and the image plane intersect such that a Scheimpflug condition is achieved, determining, from the sensor image, properties of the gas at a plurality of positions along the first axis. | 2022-04-07 |
20220107424 | DYNAMIC ASSIGNMENT OF DEVICES BASED ON PRECISION SENSORS - Embodiments of the present invention provide a computer system a computer program product, and a method that comprises, in response to receiving a request for a task to be performed, optimizing configured operational parameters based on prioritized user parameters and environmental details associated with the task; calculating a value of the task based, at least in part, the optimized configured parameters, environmental details associated with the task, and prioritized user parameters; and performing the task based on the optimized, configured parameters and calculated value. | 2022-04-07 |
20220107425 | System and Method for Overcoming GPS-Denied Environments - A variety of methods and devices for a low-probability of intercept, low probability of denial (LPI/LPD) method of providing RF signals in denied spaces are disclosed. A phased array antenna converts an omnidirectional communication system into a highly directional system. This factor coupled with the precise timing between the transmit and receive sets, establishes a precise distance measurement between the two sets. Using three or more transceivers enables the composition of an ad hoc network of nodes that can be used to establish an available mesh of position and timing that can be accessed by operators within the radio boundaries of the mesh. Portable transceivers reestablish position, navigation and timing (PNT), thereby forming an ad-hoc network. Where the ad-hoc network PNT mesh can intersect with a GPS signal that is outside of the denied environment, the ad-hoc network mesh can detect the GPS position and timing. | 2022-04-07 |
20220107426 | COLD START METHOD AND APPARATUS OF A GLOBAL POSITIONING SYSTEM (GPS) MODULE OF A TERMINAL, TERMINAL AND STORAGE MEDIUM - Provided are a cold start method and apparatus of a global positioning system (GPS) module of a terminal, a terminal and a storage medium. The method includes acquiring (S | 2022-04-07 |
20220107427 | SYSTEM AND METHOD FOR GAUSSIAN PROCESS ENHANCED GNSS CORRECTIONS GENERATION - A system and method for generating a set of GNSS corrections using a GNSS corrections model comprising a Gaussian process. | 2022-04-07 |
20220107428 | DEVICE FOR IMAGING, RADIATION IMAGING SYSTEM, AND RECORDING MEDIUM - A device for imaging is used for dynamic imaging that repeatedly generates a plurality of frames and has a hardware processor. The hardware processor acquires rhythm information from a storage for storing the rhythm information that defines a rhythm in order to cause a subject to recognize a start timing, a switch timing, or a stop timing of a predetermined periodic motion and notifies the subject of the rhythm based on the acquired rhythm information at least one of periods before starting generation of a frame and during repeating of the generation of the frame. | 2022-04-07 |
20220107429 | DEVICES, SYSTEMS, AND METHODS FOR MEASURING RADIOACTIVE ISOTOPE PRODUCTION IN BULK - A device configured to measure radioactivity emitted by a plurality of radionuclides is disclosed herein. The device includes a source cage with an outer ring that defines a cylindrical volume and includes an orientation notch and a plurality of holes configured to receive a radionuclide of the plurality of radionuclides. The device also includes a frame that includes an arm and a central rod, wherein the arm is configured to be coupled to the outer ring and includes an orientation pin. The central rod can be coupled to a gamma detector and positioned within the cylindrical volume when the arm is coupled to the outer ring of source cage. The orientation notch of the source cage is configured to engage the orientation pin of the arm and, when the orientation pin engages the orientation notch, the central rod is in a predetermined location of the cylindrical volume. | 2022-04-07 |
20220107430 | COMPUTED TOMOGRAPHY (CT) DETECTOR COMPRISING A CONVERTER FOR CONVERTING HIGH ENERGY X-RAYS INTO ELECTRONS THAT ESCAPE FROM THE CONVERTER AND APPARATUS AND METHOD FOR DETECTING THE ESCAPED ELECTRONS - A detector for detecting X-rays passing through an object being scanned, the detector comprising: a converter configured to convert X-rays into electrons; a scintillator configured to detect electrons from the converter and produce light in proportion to the electrons detected; and a photodetector configured to convert the light produced by the scintillator into electrical current. | 2022-04-07 |
20220107431 | LOW DARK CURRENT RADIATION DETECTOR AND METHOD OF MAKING THE SAME - A radiation sensor includes a radiation-sensitive semiconductor layer, a cathode electrode disposed over a front side of the radiation-sensitive semiconductor layer that is configured to be exposed to radiation, at least one anode electrode disposed over a backside of the radiation-sensitive semiconductor layer, and a potential barrier layer located between the cathode electrode and the front side of the radiation-sensitive semiconductor layer. | 2022-04-07 |
20220107432 | ENERGY-RESOLVED X-RAY IMAGING APPARATUS AND METHOD - The invention relates to energy-resolved X-ray imaging apparatus and method. The present disclosure provides an apparatus for electromagnetic irradiation imaging. The apparatus includes one or more pixels, each pixel including a plurality of detector cells arranged in a row extending in a row direction. The row is configured to receive photons at an incident surface at one end of the row, and the received photons penetrate the plurality of detector cells in the row direction. The plurality of detector cells of the same row are configured to generate respective signals that collectively indicate an energy-resolved spectral profile of the photons based on the penetration of the photons into the row of detector cells | 2022-04-07 |
20220107433 | SYSTEM AND METHOD TO IDENTIFY HIGH-IMPACT DISCRETE FRACTURE MODEL REALIZATIONS FOR ACCELERATED CALIBRATION OF RESERVOIR SIMULATION MODELS - The present disclosure describes a computer-implemented method that includes: receiving a seismic dataset of a surveyed subsurface of a reservoir, the seismic dataset comprising observed pressure and production data of the reservoir as well as a set of geological and geo-mechanical parameters representing physical features of the surveyed subsurface; generating multiple realizations of a discrete fracture network (DFN) based on a subset of the set of geological and geo-mechanical parameters; selecting, from the multiple realizations, one or more realizations based on a parameter with a value under a 10% quantile of a full range of likely values; performing a forward simulation for the reservoir based on the selected one or more realizations and the observed pressure and production data; determining that a misfit of the forward simulation is below a threshold based on evaluating an objective function; and producing a model of the reservoir based on the forward simulation. | 2022-04-07 |
20220107434 | MEASUREMENT OF POROELASTIC PRESSURE RESPONSE - Method for characterizing subterranean formation is described. One method involves injecting a fluid into an active well of the subterranean formation at a pressure sufficient to induce one or more hydraulic fractures. Measuring, via a pressure sensor, a poroelastic pressure response caused by inducing of the one or more hydraulic fractures. The pressure sensor is in at least partial hydraulic isolation with the one or more hydraulic fractures. | 2022-04-07 |
20220107435 | ISOFREQUENCY VOLUMES RATIO WORKFLOW TO DETECT GAS RESERVOIRS IN 3D DOMAIN - A method that includes transforming a relative amplitude preserved 3D seismic volume acquired in the time-domain into a plurality of isofrequency volumes, extracting from the plurality of isofrequency volumes a first isofrequency spectral amplitude volume and a second isofrequency spectral amplitude volume. The method further includes determining an attribute volume from the two isofrequency spectral amplitude volumes, and determining a presence of gas in a subterranean region of interest based on the attribute volume. | 2022-04-07 |
20220107436 | System, method, and processing module for detecting one or more objects in the seabed - Embodiments relate to a system, to methods, and to a processing module for detecting one or more objects in the seabed, wherein the detection of the one or more objects is based on the scattering of the at least one acoustic signal at the one or more objects. The system comprises an attachment structure ( | 2022-04-07 |