47th week of 2021 patent applcation highlights part 38 |
Patent application number | Title | Published |
20210364551 | PROBE CARD TEST APPARATUS - A probe card test apparatus including an insulating substrate; a conductive pattern on the insulating substrate; and a plurality of device under test (DUT) units on the conductive pattern, wherein each of the DUT units includes a merged-probe opening, a probe opening, and a detector in parallel, and an isolator surrounding the merged-probe opening, the probe opening, and the detector. | 2021-11-25 |
20210364552 | OPTICAL PROBE, OPTICAL PROBE ARRAY, OPTICAL PROBE CARD, AND METHOD OF MANUFACTURING OPTICAL PROBE - An optical probe includes a first region and a second region connected to have a continuous optical waveguide in which a transmission mode is a single mode. The first region connected to a tip-end surface opposed to an optical device includes a region in which a mode field diameter that is maximum at the tip-end surface is gradually decreased toward a boundary between the first region and the second region. The tip-end surface is a curved surface and has a radius of curvature set so that an advancing direction of an optical signal entering through the tip-end surface approximates in parallel to a central-axis direction of the optical waveguide. | 2021-11-25 |
20210364553 | INSPECTION JIG, INSPECTION DEVICE, AND CONTACT TERMINAL - When a load necessary for inspection is applied to a cylindrical body in the axial direction thereof, an end of the first bar-like main body is located closer to the other end side of the cylindrical body than one end of a support portion in a support member that supports the body portion, an end of the second bar-like main body is located closer to one end side of the cylindrical body than the other end of the support portion, the body portion is located in the entire portion where the support portion is located, and a radial distance between the outer peripheral surface of the axial central portion of at least one of the first spring portion and the second spring portion and the support member is larger than the distance between the body portion and the support portion. | 2021-11-25 |
20210364554 | INDUCTOR CURRENT DETECTING CIRCUIT - An inductor current detecting circuit is provided. A differentiator circuit differentiates a high-side voltage signal to generate a first differential signal, and differentiates a low-side voltage signal to generate a second differential signal. A first current source outputs a first charging current according to the first differential signal. A second current source outputs a second charging current according to the second differential signal. First and second terminals of a first switch are respectively connected to the first current source and a first terminal of a second switch. A second terminal of the second switch is connected to the second current source. Two terminals of a capacitor are connected to the second terminal of the first switch and the second current source respectively. The first switch and the second switch are alternately turned on to obtain a continuous waveform. | 2021-11-25 |
20210364555 | CURRENT DETECTION CIRCUIT APPLIED TO SIC FIELD EFFECT TRANSISTOR - The present invention provides a current detection circuit applied to a SiC field effect transistor. The current detection circuit includes a current detection loop and an acquisition loop on the current detection loop. The current detection loop includes a voltage source, a capacitor, a first SiC field effect transistor, a second SiC field effect transistor, and a sampling resistor. The first SiC field effect transistor is connected to a power signal. The second SiC field effect transistor is connected to a pulse signal. The acquisition loop includes a compensating resistor and a compensating inductor. The compensating resistor and the compensating inductor are connected in series and then connected in parallel at two ends of the sampling resistor to counteract the influence of total parasitic inductance in the current detection loop. | 2021-11-25 |
20210364556 | ELECTRICAL GRID CONTROL DEVICE AND POWER GENERATION SYSTEM - An electrical grid control device includes a data acquisition unit that acquires measurement data including a voltage value and a current value of each unit in an electrical grid in which a power conversion device is connected, and a control method selection unit that selects a control method when active power and reactive power output to the electrical grid by the power conversion device are controlled based on the acquired measurement data. | 2021-11-25 |
20210364557 | LOOPBACK TESTING OF ELECTRIC POWER PROTECTION SYSTEMS - Systems and methods to test an electric power delivery system include a communication subsystem to transmit test signals to one or more merging units, a test subsystem to transmit a test data stream to the one or more merging units via the communication subsystem, and a processor subsystem to receive looped back data from the one or more merging unit in response to the transmitted test data stream and to determine an operating condition based on the looped back data. | 2021-11-25 |
20210364558 | ELECTRONIC ELECTRICITY METER - Provided is an electronic electricity meter. Since inductive power from a magnetic field surrounding a transmission line is generated using a current transformer, and the inductive power is stored to be used as a driving power source for the electricity meter, the present invention can prevent power from being consumed by the electricity meter in an unloaded state. In addition, the present invention can protect the electricity meter from a surge voltage, lightening, or the like by insulating the transmission line and internal components from each other. In addition, when a power cut-off instruction is received from the electrical energy measurement server, the present invention can cut off power supply to a load by turning off a switch in a power source cut-off unit installed on the transmission line, and when a power supply instruction is received from the server, can remotely control power supply to the load. | 2021-11-25 |
20210364559 | MEASURING FREQUENCY OF MICROWAVE SIGNAL - A frequency measurement method and a system thereof are provided. The method includes: generating to-be-detected emergent light under an action of the electro-optical crystal when a light source irradiates an electro-optical crystal disposed in the microwave electric field; detecting, by a single-photon detector, the to-be-detected emergent light to obtain a detection result of the single-photon detector; and determining a frequency of the microwave signal based on the detection result of the single-photon detector and a Fourier transform algorithm. | 2021-11-25 |
20210364560 | SENSE RESISTOR AND METHOD FOR FORMING SAME - An apparatus may include a sense resistor comprising a plurality of parallel-coupled resistor elements, a plurality of positive voltage sense points, and a plurality of negative voltage sense points. A first passive combination network may be configured to combine the plurality of positive voltage sense points into a single positive sense terminal and a second passive combination network may be configured to combine the plurality of negative voltage sense points into a single negative sense terminal. The first passive combination network and the second passive combination network may be arranged such that a sense voltage is measurable between the single positive sense terminal and the single negative sense terminal and a dependence of the sense voltage on a variation in current density in the parallel-coupled resistor elements is minimized. | 2021-11-25 |
20210364561 | PROGNOSTIC HEALTH MONITORING FOR HEATER - A system and method for monitoring the health of a heater connected to a power supply by first and second power leads which conduct an inlet and outlet current, respectively. The system includes an injection transformer with a number of primary turns that are inductively coupled to the first power lead, a signal generator configured to generate and supply a time-varying injection signal to the primary turns thereby imposing the time-varying injection signal on the inlet current, and a signal reader configured to receive a diagnostic signal from the heater, filter the diagnostic signal to pass a frequency associated with the time-varying injection signal, and produce a heater capacitance signal that is indicative of a capacitance value of the heater, where the heater capacitance signal is indicative of the health of the heater. | 2021-11-25 |
20210364562 | LIVE MEASUREMENT METHOD FOR THREE-WINDING TRANSFORMER LOSS BASED ON WINDOWED FREQUENCY SHIFT - Provided is a live measurement method for three-winding transformer loss based on windowed frequency shift. The method includes: step | 2021-11-25 |
20210364563 | MOBILE TERMINAL TESTING DEVICE AND MOBILE TERMINAL TESTING METHOD - A measuring device | 2021-11-25 |
20210364564 | SPATIAL SPECTRUM ESTIMATION METHOD WITH ENHANCED DEGREE-OF-FREEDOM BASED ON BLOCK SAMPLING TENSOR CONSTRUCTION FOR COPRIME PLANAR ARRAY - Disclosed is a spatial spectrum estimation method with enhanced degree-of-freedom based on block sampling tensor construction for coprime planar array, which mainly solves the multi-dimensional information loss in signals and degree-of-freedom limitation in the existing methods and which is implemented by the following steps: constructing a coprime planar array; modeling block sampling tensors of the coprime planar array; deducing coarray statistics based on the block sampling cross-correlation tensor; obtaining block sampling coarray signals of a virtual uniform array; constructing a three-dimensional block sampling coarray tensor and its fourth-order auto-correlation statistics; constructing signal and noise subspaces based on fourth-order auto-correlation tensor decomposition; estimating a tensor spatial spectrum with enhanced degrees-of-freedom. In the present disclosure, the block sampling tensors of the coprime planar array is constructed, where a coarray tensor is deduced, to realize tensor spatial spectrum estimation with enhanced degrees-of-freedom by extracting signal-to-signal subspace features from the four-order self-correlation tensor. | 2021-11-25 |
20210364565 | TEST APPARATUS AND TEST METHOD - A test apparatus includes a test antenna that is provided in an OTA chamber | 2021-11-25 |
20210364566 | METHOD FOR MONITORING THE ELECTRIC INSULATION STATUS OF A PIECE OF EQUIPMENT FOR MV OR HV ELECTRIC SYSTEMS - A method for monitoring the electric insulation status of a piece of equipment for a medium-voltage or high-voltage electric system, which includes the following steps: acquiring detection data indicative of the behaviour of said piece of equipment, said detection data including a time sequence of measured discharge values related to partial-discharge events observed at subsequent observation instants in time; basing on said detection data, calculating stochastic data indicative of the electric insulation status of said piece of equipment, said stochastic data including probability values related to the observed partial-discharge events and calculated as a function of one or more characteristic parameters related to said partial-discharge events; basing on said stochastic data, calculating estimated data indicative of said one or more characteristic parameters related to said subsequent observation instants. | 2021-11-25 |
20210364567 | NOVEL AUTOMATED FUNCTIONAL TESTING SYSTEMS AND METHODS OF MAKING AND USING THE SAME - An automatic robot control system and methods relating thereto are described. These systems include components such as a touch screen panel (“TSP”) robot controller for controlling a TSP robot, a camera robot controller for controlling a camera robot and an audio robot controller for controlling an audio robot. The TSP robot operates inside a TSP testing subsystem, the camera robot operates inside a camera testing subsystem, and the audio robot operates inside an audio testing subsystem. Inside the audio testing subsystem, an audio signals measurement system, using a bi-directional coupling, controls the operation of the audio robot controller. In this control scheme, a test application controller is designed to control the different types of subsystem robots. Methods relating to TSP, camera, and audio robots, and their controllers, taken individually or in combination, for automatic testing of device functionalities are also described. | 2021-11-25 |
20210364568 | ENVIRONMENT CONTROL APPARATUS AND CHIP TESTING SYSTEM - A chip testing system and an environment control apparatus are provided. The chip testing system includes the environment control apparatus, a central control device, and a chip testing device. The environment control apparatus includes an apparatus body and a pressing device. When the chip testing device is disposed in an accommodating chamber of the apparatus body, and the central control device controls the pressing device to press a plurality of side surfaces of a plurality of chips carried by the chip testing device, the central control device controls the chip testing device to perform a testing operation to the chips. After the chip testing device performs the testing operation to the chips, a plurality of movable members of the pressing device protrude from a contacting surface of the pressing device and push the chips to separate the chips and the contacting surface. | 2021-11-25 |
20210364569 | COMPRESSED SCAN CHAIN DIAGNOSIS BY INTERNAL CHAIN OBSERVATION, PROCESSES, CIRCUITS, DEVICES AND SYSTEMS - Electronic scan circuitry includes a decompressor ( | 2021-11-25 |
20210364570 | METHOD OF TESTING MEMORY DEVICE EMPLOYING LIMITED NUMBER OF TEST PINS AND MEMORY DEVICE UTILIZING SAME - A memory device includes a plurality of pins, a controller die coupled to the isolation pin, and a memory die. The plurality of pins include an isolation pin, a test mode select pin configured to switch an operation mode of the memory die, a test clock pin configured to receive a test clock, and a test data pin configured to perform a data transmission. The controller die is coupled to the isolation pin. The memory die is coupled to the test mode select pin, the test clock pin, and the test data pin. | 2021-11-25 |
20210364571 | SYSTEMS AND METHODS FOR INTELLECTUAL PROPERTY-SECURED, REMOTE DEBUGGING - Systems and techniques of the present disclosure may provide remote debugging of an integrated circuit (IC) device while preventing unauthorized access of device intellectual property (IP). A system may include an IC device that generates an encrypted session key and an interface that enables communication between the IC device and a remote debugging site. The interface may enable the IC device to send the encrypted the encrypted session key to initiate a remote debug process, receive an acknowledgement from the remote debugging session, and authenticate the acknowledgement. Further, the interface may enable to the IC device to initiate a secure debug session between the IC device and the remote debugging site. | 2021-11-25 |
20210364572 | RELAY FAILURE DETECTION CIRCUIT AND ROBOT - A relay failure detection circuit includes a first voltage acquiring section configured to acquire an AC voltage input to a power supply circuit and output the AC voltage as a first voltage signal, a second voltage acquiring section configured to acquire an inter-terminal voltage of a relay provided in the power supply circuit and output the inter-terminal voltage as a second voltage signal, a comparing section configured to compare a waveform of the first voltage signal and a waveform of the second voltage signal, and a determining section configured to determine a failure of the relay according to a result of the comparison. | 2021-11-25 |
20210364573 | METHOD AND APPARATUS FOR REAL-TIME ESTIMATION OF FULL PARAMETERS OF PERMANENT MAGNET SYNCHRONOUS MOTOR - Disclosed is a method and apparatus for real-time estimation of full parameters of a permanent magnet synchronous motor. According to this method and apparatus, it is possible to estimate in real time all four parameters of a permanent magnet synchronous motor without additional signal injection. | 2021-11-25 |
20210364574 | Intelligent battery and state-of-charge online estimation method and applications thereof - A state-of-charge (SOC) online estimation method of an intelligent battery includes steps of performing online estimation on the SOC based on a real-time estimation model, wherein the real-time estimation model is based on an equivalent circuit model, and then obtaining online estimates of the SOC through the SOC-OCV (open circuit voltage) relationship, the current-voltage relationship under different working conditions, and the current terminal voltage and temperature of the intelligent battery. The intelligent battery that is able to apply the SOC online estimation method includes a battery cell and a cell management unit, wherein the cell management unit includes a sensor module, a switching device, a controller module, a communication module and a printed circuit board (PCB), the sensor module includes a voltage sensor and a temperature sensor; the voltage sensor, the temperature sensor, the switching device, the controller module and the communication module are integrated on the PCB. | 2021-11-25 |
20210364575 | CHARGING METHOD FOR NONAQUEOUS ELECTROLYTE SECONDARY CELL AND CHARGING SYSTEM FOR NONAQUEOUS ELECTROLYTE SECONDARY CELL - A method for charging a nonaqueous electrolyte secondary battery includes a first charging step of charging a first capacity Q | 2021-11-25 |
20210364576 | Use of Standing Wave Ratio Measurements for Interconnect Testing - Disclosed is a method of determining electrical continuity of electrical interconnects, the method comprising the steps of measuring a first standing wave ratio value when the electrical interconnects are disconnected, measuring a second standing wave ratio value when the electrical interconnects are connected, and comparing the first standing wave ratio value to the second standing wave ratio value, wherein electrical continuity is positively determined when the second standing wave ratio value is much larger than the first standing wave ratio value. | 2021-11-25 |
20210364577 | INTELLIGENT TRANSFORMER MONITORING SYSTEM - An intelligent transformer monitoring system to detect and monitor random failures in distribution transformers due to improper usage and poor maintenance is provided. The intelligent transformer monitoring system includes a GSM-GPRS, a measurement and instrumentation module, a control relay module, a Trivector energy measurement, and a GPS module. The GSM-GPRS includes microcontroller along with GSM_GPRS modem in order to execute remote communication on GSM-GPRS. The Measurement and Instrumentation module includes eleven temperature measurement channels with 8-digital temperature sensors and 3-RTD. The control relay module includes 4 SPDT relays to execute output controls such as load trip and cooling motor etc. The GPS module acquires the latitude, longitude and time data from the satellite for location sharing. The Power supply module is an AC/DC SMPS power supply to convert 240V/415V AC to 12 VDC for the intelligent transformer monitoring system. | 2021-11-25 |
20210364578 | CONNECTION DETECTOR AND SEMICONDUCTOR DEVICE - A connection detector includes: a power supply line for use in supply of a power supply potential; a CC terminal; a ground terminal; an electric-current output circuit arranged between the power supply line and the CC terminal and including a first switch for use in disabling an electric-current output; a pulldown resistor circuit arranged between the CC terminal and the ground terminal and including a second switch for use in disabling a pulldown resistance; a bias circuit configured to generate a first reference potential and a second reference potential that is different from the first reference potential; and a role detector including a first comparator configured to compare the first reference potential with a voltage of the CC terminal and a second comparator configured to compare the second reference potential with a voltage of the CC terminal. | 2021-11-25 |
20210364579 | METHOD AND SYSTEM FOR CALIBRATING SENSORS | 2021-11-25 |
20210364580 | SPIN ELEMENT AND MAGNETIC MEMORY - A spin element includes an element portion including a first ferromagnetic layer, a conducting portion that extends in a first direction as viewed in a lamination direction of the first ferromagnetic layer and faces the first ferromagnetic layer, and a current path extending from the conducting portion to a semiconductor circuit and having a resistance adjusting portion between the conducting portion and the semiconductor circuit, wherein the resistance value of the resistance adjusting portion is higher than the resistance value of the conducting portion, and the temperature coefficient of the volume resistivity of a material forming the resistance adjusting portion is lower than the temperature coefficient of the volume resistivity of a material forming the conducting portion. | 2021-11-25 |
20210364581 | Method and Apparatus for Integrating Current Sensors in a Power Semiconductor Module - An improved system for measuring current within a power semiconductor module is disclosed, where the system is integrated within the power module. The system includes a point field detector sensing a magnetic field resulting from current flowing in one phase of the module. A lead frame conductor may be provided to shape the magnetic field and minimize the influence of cross-coupled magnetic fields from currents conducted in other power semiconductor devices within one phase of the module. Optionally, a second point field detector may be provided at a second location within the module to sense a magnetic field resulting from the current flowing in the same phase of the module. Each phase of the power module includes at least one point field detector. A decoupling circuit is provided to decouple multiple currents flowing within the same phase or to decouple currents flowing within different phases of the power module. | 2021-11-25 |
20210364582 | RESONANT PRECESSION MODULATION BASED MAGNETIC FIELD SENSORS - A magnetic field sensor which can achieve sensitivities competitive with modern sensors while simultaneously maintaining a small size, low power consumption, simplicity of design, and low cost. The magnetic field sensor utilizes nonlinear precession dynamics of subatomic spins to attain parametric amplification of a magnetic field. A preliminary experimental implementation of the proposed concept establishes its feasibility and can already demonstrate significant benefits over existing approaches to sensing. | 2021-11-25 |
20210364583 | WIDE DYNAMIC RANGE MAGNETIC FIELD CYCLER AND ULTRA PORTABLE OPTICAL NANODIAMOND HYPERPOLARIZER - A system can include: a superconducting or permanent magnet; a high field portion corresponding to the superconducting or permanent magnet, wherein the high field has a range of 0.1-20 T; a low field portion positioned outside of the superconducting or permanent magnet, wherein the low field has a range of 0.01 nT-100 mT; a shuttling mechanism configured to deliver a sample between the low field portion and the high field portion; and a polarization sub-assembly configured to hyperpolarize the sample while the sample is within the low field portion. A device can be configured to cause nuclear spin hyperpolarization in diamond particles such that the hyperpolarization is transferable to at least one of an external liquid or an external solid. A process of hyperpolarizing substances can include applying optical illumination to the substance, irradiating the substance with a series of microwave signals as one of either a single signal or as a frequency comb to hyperpolarize the nuclei in the substance, and relaying polarization to nuclear spins of one of a surrounding solid or fluid. | 2021-11-25 |
20210364584 | SYSTEMS AND METHODS FOR MAGNETIC RESONANCE SCANNING - A method for medical imaging may include determining a posture of an object and obtaining a first parameter of a pulse sequence to be applied to the object. The method may also include determining, based on the posture and the first parameter, a SAR distribution model and estimating, based on the SAR distribution model and a second parameter of the pulse sequence to be applied, a SAR distribution associated with the object under the pulse sequence to be applied. The second parameter is associated with calibration of the pulse sequence to be applied. The method may further include determining whether the estimated SAR distribution meets a condition and causing, in response to a result of the determination that the estimated SAR distribution associated with the object meets the condition, a scanner to perform an MR scan on the object according to the pulse sequence. | 2021-11-25 |
20210364585 | MAGNETIC RESONANCE IMAGING RADIO-FREQUENCY COIL ASSEMBLY WITH HIGH TIME-DOMAIN SIGNAL STABILITY - Disclosed is a magnetic resonance imaging radio-frequency coil assembly with high time-domain signal stability, mainly including a radio-frequency transmitting coil unit, a plurality of radio-frequency receiving coil units, and a housing structure. A plane area of the radio-frequency transmitting coil unit is larger than a sum of layout plane areas of all of the plurality of radio-frequency receiving coil units. The plurality of radio-frequency receiving coil units are arranged at an internal side of the radio-frequency transmitting coil unit. An overall size of an array formed by the plurality of radio-frequency receiving coil units is larger than a size of an imaging region. A circumference of each radio-frequency receiving coil unit is less than one tenth of a wavelength of a vacuum electromagnetic wave. Thermal noise from the load accounts for a small proportion in the radio-frequency receiving coil units. | 2021-11-25 |
20210364586 | MAGNETIC RESONANCE IMAGING APPARATUS AND CONTROL PROGRAM THEREFOR - Imaging failure of a positioning image due to the difference in the position or the size of a subject placed in the examination space is prevented, and accordingly, the extension of the examination time is prevented. A pre-scan for appropriately setting the imaging position for positioning imaging is automatically performed prior to the positioning imaging and the main imaging of an MRI apparatus, and a region where an examination part of a subject is present (the extent of the examination part) is detected using the measurement data. By using the detected extent of the examination part, it is possible to subsequently determine the imaging position or calculate the scan parameters used for imaging. | 2021-11-25 |
20210364587 | MOTION ESTIMATION AND CORRECTION IN MAGNETIC RESONANCE IMAGING - A method of medical imaging including receiving k-space data that is divided into multiple k-space data groups, selecting one of the multiple k-space data groups as a reference k-space data group, and calculating spatial transform data for each of the multiple k-space data groups by inputting the multiple k-space data groups and the reference k-space data group into a transformation estimation module. The spatial transformation estimation module is configured for outputting spatial transform data descriptive of a spatial transform between a reference k-space data group and multiple k-space data groups in response to receiving the reference k-space data group and the multiple k-space data groups as input. The method further comprises reconstructing a corrected magnetic resonance image according to the magnetic resonance imaging protocol using the multiple k-space data groups and the spatial transform data for each of the multiple k-space data groups. | 2021-11-25 |
20210364588 | MAGNETIC RESONANCE IMAGING APPARATUS - A navigator echo is acquired during imaging, and when frequency is corrected based on phase change, the correction is performed with high accuracy without being affected by an offset caused by variations with time. An MRI apparatus including a navigation controller is configured to control an imaging unit acquiring an NMR signal, generate the navigator echo and collect navigation data during a predetermined measurement time, prior to collection of nuclear magnetic resonance signals for reconstructing an image of a subject. The phase change of the navigator echo is analyzed during the measurement time to calculate a correction value for correcting misalignment due to the phase change with a navigation analyzer that calculates a phase change amount relative to a reference, based on a difference between the phase change of the navigator echo and the phase change of the navigator echo serving as the reference during the measurement time. | 2021-11-25 |
20210364589 | IMPROVED MULTI-SHOT ECHO PLANAR IMAGING THROUGH MACHINE LEARNING - Systems and methods are provided for improving MRI data acquisition efficiency while providing more detailed information with high resolution and isotropic resolution without gaps. Improved data acquisition efficiency may be achieved by implementing a machine learning algorithm with a hardware processor and a memory to estimate imperfections in fast imaging sequences, such as a multi-shot echo planar imaging (MS-EPI) sequence. These imperfections, such as patient motion, physiological noise, and phase variations, may be difficult to model or otherwise estimate using standard physics-based reconstructions. | 2021-11-25 |
20210364590 | Systems and Methods for Magnetic Resonance Phantoms - Embodiments of the disclosure provide a magnetic resonance (MR) phantom including a housing, a base medium disposed within the housing, and one or more compartment extending through the base medium, the one or more compartment comprising a crosslinked acrylamide-based polymer. The MR phantoms may be used as calibration phantoms for magnetic resonance elastography sequences and diffusion weighted images. | 2021-11-25 |
20210364591 | HIGH-RESOLUTION, ACCURATE, TWO-DIMENSIONAL DIRECTION-OF-ARRIVAL ESTIMATION METHOD BASED ON COARRAY TENSOR SPATIAL SPECTRUM SEARCHING WITH CO-PRIME PLANAR ARRAY - Disclosed is a high-resolution accurate two-dimensional direction-of-arrival estimation method based on coarray tensor spatial spectrum searching with coprime planar array, which solves the problem of multi-dimensional signal loss and limited spatial spectrum resolution and accuracy in existing methods. The implementation steps are: constructing a coprime planar array; tensor signal modeling for the coprime planar array; deriving coarray statistics based on coprime planar array cross-correlation tensor; constructing the equivalent signals of a virtual uniform array; deriving a spatially smoothed fourth-order auto-correlation coarray tensor; realizing signal and noise subspace classification through coarray tensor feature extraction; performing high-resolution accurate two-dimensional direction-of-arrival estimation based on coarray tensor spatial spectrum searching. In the present method, multi-dimensional feature extraction based on coarray tensor statistics for coprime planar array is used to implement high-resolution, accurate two-dimensional direction-of-arrival estimation based on tensor spatial spectrum searching, and the method can be used for passive detection and target positioning. | 2021-11-25 |
20210364592 | SYSTEM AND METHOD FOR DETERMINING THE RELATIVE DIRECTION OF AN RF TRANSMITTER - The subject matter discloses a casing of a mobile electronic device, comprising: a body, comprising: two or more antennas for exchanging wireless signals with a target device; an electromagnetic absorbing material located between the two or more antennas; electrical circuitry for sending information concerning the wireless signals exchanged between the two or more antennas and the target device to a direction finding module, wherein the direction finding module is operative to determine a relative direction of the target device based on the wireless signals exchanged between the two or more antennas and the target device. | 2021-11-25 |
20210364593 | POSITION ESTIMATION DEVICE AND COMMUNICATION DEVICE - A position estimation device for estimating the position of an initiator communication device comprises data obtaining circuitry configured to obtain path data of two or more paths of RF signals transmitted by a responder communication device, wherein RF signals of at least one path are reflected at a scatterer, said path data comprising, per path of an RF signal: path length information indicating the length of the propagation path of an RF signal from the responder communication device via a scatterer to the initiator communication device, angle of departure information indicating the angle of departure of an RF signal from the responder communication device, and angle of arrival information indicating the angle of arrival of an RF signal at the initiator communication device. The device further comprises processing circuitry configured to determine the position of the initiator communication device on the basis of the obtained path data. | 2021-11-25 |
20210364594 | Water-Resistant Exterior Joint Compounds - Embodiments of the present disclosure are directed to joint compounds for sealing exterior sheathing wallboards applied on the exterior of buildings. This invention also relates to a process of preparing such exterior joint compounds. The joint compounds of this invention comprise an aqueous emulsion system and provide water resistance comparable to the substrate on which they are applied, that is, the exterior sheathing wallboards. | 2021-11-25 |
20210364595 | RADAR SYSTEMS AND METHODS HAVING ISOLATOR DRIVEN MIXER - Radar circuitry can include an isolator and a mixer. The isolator can isolate a transmission signal path and a reception signal path from each other, and generate a mixing (e.g. oscillation) signal based on a transmission signal. The isolator can be coupled to the mixer such that the drive signal drives the mixer (e.g. serves as the local oscillation signal of the mixer). The mixer mixes a received signal and the drive signal to generate a converted signal (e.g. a down-converted signal). The isolator can be a hybrid transformer or electrically balanced duplexer. | 2021-11-25 |
20210364596 | PROCESSING RADAR SIGNALS - It is suggested to process radar signals including: (i) receiving reception signals via at least one antenna of a first receiving circuit; (ii) determining an interim result by processing the reception signals via a frequency transformation; (iii) determining an error compensation vector based on the interim result and an expected characteristic; and (iv) applying the error compensation vector on other reception signals that have been processed via the frequency transformation. | 2021-11-25 |
20210364597 | ATTACK DETECTION AND MITIGATION FOR FINE TIMING MEASUREMENT - Embodiments for securing fine timing measurement (FTM) communications are described. FTM communications include FTM frames sent and received from an initiating station (ISTA) and a responding station (RSTA). The RSTA records a plurality of parameters associated with the FTM frames and uses the plurality of parameters to learn and identify a device profile for the ISTA. The device profile is used to determine a behavior filter for the FTM from the ISTA and the RSTA filters FTM traffic according to the behavior filter to prevent malicious attacks in the FTM communications. | 2021-11-25 |
20210364598 | FLEXIBLE CONFIGURATION FOR A RADAR MONOLITHI MICROWAVE INTEGRATED CIRCUIT (MMIC) - A method of configuring a radar monolithic microwave integrated circuit (MMIC) and executing configured commands includes receiving and storing a plurality of configuration commands corresponding to unique time-dependent functions, each configuration command corresponding to a different one of the unique time-dependent functions; generating a unique command handle for each configuration command; transmitting the unique command handle for each configuration command to a controller; receiving and storing a bundled configuration command comprising a plurality of unique command handles corresponding to a set of configuration commands; generating a unique bundled command handle for the bundled configuration command; transmitting the unique bundled command handle to the controller; and receiving an execute command that includes the unique bundled command handle, where the execute command triggers execution of an execution flow of the unique time-dependent functions corresponding to the set of configuration commands associated with the unique bundled command handle. | 2021-11-25 |
20210364599 | RADAR RECEIVING SYSTEM AND METHOD FOR COMPENSATING A PHASE ERROR BETWEEN RADAR RECEIVING CIRCUITS - According to one embodiment, a radar receiving system is provided comprising a first receiving circuit, a second receiving circuit, a spectral analyzer, an object detector, and a phase compensation circuit. The spectral analyzer is configured to generate, from a first plurality of reception signals, a first set of Fourier transformation output values and, from a second plurality of reception signals, a second set of Fourier transformation output values. The object detector is configured to determine a range/Doppler bin of a plurality of range/Doppler bins as an estimate of a range and speed of an object. The phase compensation circuit is configured to determine a phase offset between the Fourier transformation output values of the first set and second set of Fourier transformation output values and to compensate the phases of at least a part of the second set of Fourier transformation output values by the determined phase offset. | 2021-11-25 |
20210364600 | METHOD AND APPARATUS FOR REAR CROSS COLLISION WARNING - A method with rear cross collision warning includes: dividing a surrounding area of a host vehicle into a plurality of cells arranged in lateral and longitudinal directions; creating a grid map on which cells, among the plurality of cells, corresponding to positions where a stationary object around the host vehicle is viewed are classified as occupied cells; determining a position of a reflective structure reflecting radar signals based on a positional relationship between the occupied cells on the grid map; and determining, based on the determined position of the reflective structure and either one of a position of a tracking target viewed by the radar and moving direction of the tracking target, whether the tracking target is a ghost tracking target. | 2021-11-25 |
20210364601 | KINEMATIC MOUNT FOR ACTIVE MEMS ALIGNMENT WITH MULTI-DEGREE-OF-FREEDOM - A MEMS board assembly, a LiDAR system including the same, and a method for making the same are disclosed. The exemplary MEMS board assembly includes a MEMS board having a plurality of through holes and a mount having a plurality of threaded holes. The MEMS board assembly further includes a plurality of spring-loaded posts each formed by fitting a spring into a respective post. The plurality of spring-loaded posts are fitted into the plurality of threaded holes of the mount. The MEMS board assembly also includes a plurality of screws fitting the MEMS board to the mount by reaching into the plurality of threaded holes of the mount through the plurality of through holes in the MEMS board and the plurality of spring-loaded posts. The MEMS board touches the plurality of spring-loaded posts at the plurality of through holes in the MEMS board corresponding to the plurality of threaded holes of the mount respectively. | 2021-11-25 |
20210364602 | PROTECTION OF A MONOSTATIC OR QUASI-MONOSTATIC LASER RANGEFINDER - An optical module ( | 2021-11-25 |
20210364603 | LIDAR DEVICE - A LiDAR device comprising: a transmission module including a laser emitting array and a first lens assembly, wherein the laser emitting array is configured to emit a plurality of lasers at a first wavelength and wherein the first lens assembly is configured to steer the plurality of lasers at different angles within a first angle range; a reception module including a laser detecting array and a second lens assembly, wherein the laser detecting array includes at least two detectors for detecting at least a portion of the plurality of lasers and wherein the second lens assembly is configured to distribute the plurality of lasers to the at least two detectors; wherein the second lens assembly comprise: at least four lens layers including a first lens layer, a second lens layer, a third lens layer and a fourth lens layer; at least two gap layers including a first gap layer and a second gap layer; and a filter layer located in the first gap layer. | 2021-11-25 |
20210364604 | LIGHT RECEPTION DEVICE AND DISTANCE MEASUREMENT MODULE - The present technology relates to a light reception device and a distance measurement module. The light reception device includes an on-chip lens, a wiring layer, and a semiconductor layer between the on-chip lens and the wiring layer. The semiconductor layer includes a first tap to which a first voltage is applied and a first charge detection portion, and a second tap to which a second voltage different from the first voltage is applied and a second charge detection portion. The position of the on-chip lens differs depending upon an in-plane position of a pixel array section, so that an optical path length or a DC contrast of a chief ray from an object is uniform at in-plane pixels of the pixel array section. The present technology can be applied, for example, to a light reception device that generates distance information, for example, by a ToF method, and so forth. | 2021-11-25 |
20210364605 | POLYGON SCANNING MIRROR FOR LIDAR BEAM SCANNING - Various technologies described herein pertain to a lidar sensor system that includes a laser source and a polygon scanning mirror. The laser source can be configured to emit an outgoing optical signal. Moreover, the polygon scanning mirror can be configured to scan the outgoing optical signal from the laser source over a field of view in an environment of the lidar sensor system as the polygon scanning mirror rotates about an axis of rotation. The polygon scanning mirror includes planar optical reflective surfaces around a circumference of the polygon scanning mirror. Moreover, the planar optical reflective surfaces are oriented at angles offset relative to the axis of rotation. | 2021-11-25 |
20210364606 | CONTROL DEVICE, IRRADIATION DEVICE, CONTROL METHOD, AND COMPUTER PROGRAM - A control device ( | 2021-11-25 |
20210364607 | DEVICE AND METHOD FOR SCANNING MEASUREMENT OF THE DISTANCE TO AN OBJECT - A device for scanning measurement of a distance to an object has a light source, which generates an optical output signal having a time-varying frequency. The device includes multiple optical processing units, which are connected optically in parallel to the light source. Each processing unit has an optical distribution matrix including multiple optical switches that distribute optical output signals selectively onto different optical waveguides. Optical output signals are outcoupled into the free space via free space couplers and optical output signals reflected on the object are coupled as optical measurement signals into the waveguides. A detector detects a superposition of the optical measurement signal and the optical output signal generated by the light source. A circulator directs optical output signals supplied by the light source to the distribution matrix and optical measurement signals coming from the distribution matrix to the detector. | 2021-11-25 |
20210364608 | LASER RADAR - A laser radar, comprising: a laser ( | 2021-11-25 |
20210364609 | SCANNING MIRROR MECHANISMS FOR LIDAR SYSTEMS, AND RELATED METHODS AND APPARATUS - A scanner of a LiDAR system includes a mirror configured to redirect a light signal emitted by an optical emitter, a first axis scanning system configured to rotate the mirror about a first axis and with respect to the optical emitter, that controls a first angle of emission of the light signal from the LiDAR system into a field of view of the LiDAR system, and a second axis scanning system configured to rotate the mirror about a second axis and with respect to the optical emitter, that controls a second angle of emission of the light signal from the LiDAR system into the field of view. The first axis scanning mechanism is configured to rotate the reflective surface of the mirror at least 45 degrees about the first axis. | 2021-11-25 |
20210364610 | A MEASUREMENT HEAD FOR DETERMINING A POSITION OF AT LEAST ONE OBJECT - Described herein is a measurement head for determining a position of at least one object including at least one transfer device, where the transfer device has at least one focal length in response to at least one incident light beam propagating from the object to the measurement head, and | 2021-11-25 |
20210364611 | Method and System for Ladar Pulse Deconfliction - Disclosed herein are a number of example embodiments that employ controllable delays between successive ladar pulses in order to discriminate between “own” ladar pulse reflections and “interfering” ladar pulses reflections by a receiver. Example embodiments include designs where a sparse delay sum circuit is used at the receiver and where a funnel filter is used at the receiver. Also, disclosed are techniques for selecting codes to use for the controllable delays as well as techniques for identifying and tracking interfering ladar pulses and their corresponding delay codes. The use of a ladar system with pulse deconfliction is also disclosed as part of an optical data communication system. | 2021-11-25 |
20210364612 | METHOD OF OPTICAL DETECTION AND OPTICAL DETECTION APPARATUS - In a method of optical detection, a carrier signal of a carrier signal period and a code sequence over an exposure time period are generated. Each code ( | 2021-11-25 |
20210364613 | DISTANCE MEASURING DEVICE AND LIGHT EMISSION DIAGNOSIS METHOD FOR LIGHT SOURCE - A distance measuring device includes: a light emitting unit that irradiates a subject; a light receiving unit that receives reflected light; a distance calculating unit that calculates a distance to the subject; a luminance calculating unit that calculates a luminance of the subject; an image processing unit that generates a distance image and a luminance image of the subject; a screen luminance calculating unit that calculates a screen luminance value from the luminance image; and a light source light emission determining unit that determines whether a light emission state of the light source is normal or abnormal. The light source light emission determining unit acquires a screen luminance value at the time of turning on the light source in a first frame, a screen luminance value at the time of turning off the light source in a second frame, and compares the screen luminance values of each of the frames. | 2021-11-25 |
20210364614 | RADAR APPARATUS AND METHOD FOR OPERATING A RADAR APPARATUS - A radar device having a plurality of transmit devices and a plurality of receive devices. The transmit devices and receive devices are configured in an array having horizontal rows and vertical columns. The radar device includes a control device that is designed to determine, for an arbitrary first transmit device, a phase offset to the corresponding second transmit device, using a first radar signal that corresponds to a first radar wave sent out by the first transmit device and received by the assigned first receive device and a second radar signal that corresponds to a second radar wave sent out by the second transmit device and received by the assigned second receive device. | 2021-11-25 |
20210364615 | SENSOR SYSTEM FOR DETECTING OCCUPANCY USING RADIO SIGNALS - A sensor system for determining occupancy in a space generally includes a transmitter radio device that transmits radio signals over a channel in the space; a receiver radio device that receives the transmitted radio signals that have traveled through the space; and at least one processor implementing an occupancy-centric algorithm that determines occupancy in the space based on the radio signals. The at least one processor determines channel state information based on the radio signals transmitted over the channel, determines occupancy in the space based on the channel state information, and outputs an occupancy signal based on the determined occupancy. | 2021-11-25 |
20210364616 | RADAR SYSTEM AND COMPUTER-IMPLEMENTED METHOD FOR RADAR TARGET DETECTION - A computer-implemented method for radar target detection and radar systems includes executing via one or more processors: transmitting a signal from transmit antennas to receive antennas, each transmit antenna configured to alternately transmit at first and second pulse repetition frequencies, each frame of the signal including sub-frames, each sub-frame including pulses from the transmit antennas in a staggered arrangement; performing range compression on the pulses in each frame to generate range cells; performing Doppler processing on each range cell to generate range-Doppler (RD) maps for the transmit antennas; integrating the RD maps to generate an integrated RD map; detecting presence of a target from the integrated RD map; estimating range and velocity of the detected target; estimating direction-of-arrival (DOA) of the detected target; and generating a point cloud of the detected target by computing Cartesian coordinates of the detected target from the range and the DOA of the detected target. | 2021-11-25 |
20210364617 | TARGET RANGING WITH SUBSAMPLED NOISE CORRELATION - Backend components for noise radar and techniques for operation of those components are provided. Some embodiments include noise radar apparatuses. A noise radar apparatus may include a first unit that generates a random signal or a broadband noise signal using asynchronous logic gates constituting the first unit. The noise radar apparatus also may include a second unit that generates a reference sequence using the generated random signal or the generated broadband noise signal. The second unit comprises at least one tapped delay line formed by second asynchronous logic gates having sampling functionality and storage functionality. The noise radar apparatus may further include a third unit that receives a return signal correlates the return signal and the reference sequence in nearly real-time using third asynchronous logic gates constituting the third unit. | 2021-11-25 |
20210364618 | RESONANCE BASED DISTANCE ESTIMATION AND IDENTIFICATION - A system for estimating a distance between vehicles may include an oscillator, a transmitter, a receiver, a summing circuit, a signal analyzer, a tunable phase shifter, a distance estimator, and/or a vehicle identifier. The oscillator may generate a generated oscillating signal, transmitted by the transmitter. The receiver may receive a processed signal derived by a system of a second vehicle. The summing circuit may add the generated oscillating signal to the received signal to produce the updated oscillating signal. The signal analyzer may detect a spike in amplitude associated with the updated oscillating signal. The tunable phase shifter may shift a phase of the generated oscillating signal by an incremental phase shift amount until a spike in amplitude is detected. The distance estimator may estimate the distance between the first vehicle and the second vehicle based on a total phase shift amount and the predetermined wavelength. | 2021-11-25 |
20210364619 | RADAR APPARATUS, SYSTEM, AND METHOD - Some demonstrative aspects include radar apparatuses, devices, systems and methods. In one example, an apparatus may include a plurality of Transmit (Tx) chains to transmit radar Tx signals, and a plurality of Receive (Rx) chains to process radar Rx signals. For example, the radar Rx signals may be based on the radar Tx signals. The apparatus may be implemented, for example, as part of a radar device, for example, as part of a vehicle including the radar device. In other aspects, the apparatus may include any other additional or alternative elements and/or may be implemented as part of any other device. | 2021-11-25 |
20210364620 | SMART AUTOMATIC FREQUENCY CONTROL APPARATUS BASED ON DIGITAL CONTROL - The present disclosure provides a smart automatic frequency control (AFC) apparatus, including: a phase shift module, connected to a first signal input terminal and configured to: receive an incident wave from the first signal input terminal, perform a phase shift on the incident wave according to a phase shift parameter so as to generate a phase-shifted signal, and output the phase-shifted signal to a phase detection module; and the phase detection module, connected to the phase shift module and a second signal input terminal and configured to: receive a reflected wave from the second signal input terminal, perform a phase detection on the phase-shifted signal and the reflected wave so as to generate a phase difference signal, and output the phase difference signal via a control interface. | 2021-11-25 |
20210364621 | Three-Dimensional Location Estimation Using Multiplicative Processing of Sensor Measurements - System, computer products, and methods can improve the resolution of data from a sensor array. One of these methods include receiving, from an analog to digital converter, a series of measurements representing frequency samples and spatial samples from a sensor array. The method includes generating a plurality of factors based on a polynomial. The method includes applying one or more complex weights to the measurements based on the factors. The method includes combining the complex weighted measurements into a plurality of values. The method also includes identifying a characteristic of an object detected by the sensor array based on the plurality of values. | 2021-11-25 |
20210364622 | PROCESSING RADAR SIGNALS - It is suggested to process radar signals including (i) determining a variation of at least one radar parameter provided from at least one radar device; (ii) determining an estimated value of at least one radar parameter from an error compensation vector; and (iii) determining a safety condition based on the variation and the estimated value for the respective radar parameter. | 2021-11-25 |
20210364623 | RADAR SYSTEMS - A radar system for air volume surveillance, the radar having a transmitter and receiver with separate antennas. The receiver aperture being relatively large compared with the transmitter aperture such that the receiving beam is narrower than the transmitting beam, which itself is relatively small compared with the volume to be surveyed. Multiple receiving beams can be configured so that collectively they substantially match the angular volume of the transmitting beam; and in which the transmitter is arranged, when operating, to transmit a signal with a duty cycle greater than fifty percent. | 2021-11-25 |
20210364624 | RADAR DATA PROCESSING USING NEURAL NETWORK CLASSIFIER AND CONFIDENCE METRICS - A radar data processing device includes at least one analog-to-digital converter (ADC) configured to digitize a plurality of input signals, wherein each input signal includes radar chirp and radar chirp reflection information received at one of a plurality of receiver antennas. The radar data processing device also includes Fast Fourier Transform (FFT) logic configured to generate FFT output samples based on each digitized input signal, wherein at least some of the generated FFT output samples are across antenna FFT output samples associated with at least two of the plurality of receiver antennas. The radar data processing device also includes a processor configured to determine a plurality of object parameters based on at least some of the generated FFT output samples, wherein the processor uses a neural network classifier trained to provide a confidence metric for at least one of the plurality of object parameters. | 2021-11-25 |
20210364625 | RFID Tag Location and Association of RFID Tags - An RFID detector suitable for use in a passive RFID tag system that employs frequency hopping spread spectrum (FHSS) operation obtains an indication of at least one characteristic of a CW RF signal employing a hopped-to carrier frequency that is being transmitted from an RFID tag reader, e.g., for use in activating the RFID tag to be located, the indication of the characteristic being obtained based on a signal that is received from a source other than the RFID detector. The RFID detector may use the obtained indication of the characteristic of the CW RF signal to determine at least one position related parameter for the RFID tag. A location, e.g., of the tag, of a group of tags, of the RFID detector, or of another RFID detector, may be determined based on the position parameter. | 2021-11-25 |
20210364626 | ANGLE-RESOLVING BROADBAND RADAR SENSOR FOR MOTOR VEHICLES - Angle-resolving radar sensor for motor vehicles, including: an antenna array including multiple antennas, configured for receiving, situated in various positions in one direction in which the radar sensor is angle-resolving, and a control and evaluation unit configured for an operating mode in which at least one antenna of the radar sensor configured for transmitting transmits a signal received by multiple of the antennas of the radar sensor configured for receiving, and the angle of a radar target is estimated based on amplitude and/or phase relationships between signals of respective evaluation channels, which correspond to different configurations of transmitting and receiving antennas, an evaluation of the signals of the evaluation channels for a respective distance for a respective evaluation channel taking place for an individual estimation of an angle of a radar target, different distances being selected for respective evaluation channels as a function of an angle or angle range hypothesis. | 2021-11-25 |
20210364627 | ULTRA-WIDEBAND GROUND PENETRATING RADAR CONTROL SYSTEM - An ultra-wideband ground penetrating radar control system, comprising a synchronous clock generating circuit, a GPS positioning module, a measuring wheel encoder module, a digitally controlled delay circuit for equivalent sampling, an analog-to-digital conversion (ADC) circuit, and a main controller. The synchronous clock generating circuit, the GPS positioning module, the measuring wheel encoder module, the digitally controlled delay circuit and the ADC circuit are all connected to the main controller. The synchronous clock generating circuit is further connected to an external ultra-wideband radar transmitter. The digitally controlled delay circuit is further connected to an external sampling pulse generation circuit for equivalent sampling. The ADC circuit is further connected to an external sampling gate for equivalent sampling. The main controller is further connected to an external server via Ethernet. The volume of an ultra-wideband ground penetrating radar control system is reduced. The connecting cables of the system is simplified. The reliability of the ultra-wideband radar system is improved. | 2021-11-25 |
20210364628 | METHODS FOR OPERATING STEPPED FREQUENCY RADAR SYSTEMS WITH SPECTRAL AGILITY - A method for operating a stepped frequency radar system is disclosed. The method involves performing stepped frequency scanning across a frequency range using frequency steps of a step size, the stepped frequency scanning performed using at least one transmit antenna and a two-dimensional array of receive antennas, changing at least one of the step size and the frequency range, and performing stepped frequency scanning using the at least one transmit antenna and the two-dimensional array of receive antennas and using the changed at least one of the step size and the frequency range. | 2021-11-25 |
20210364629 | IMPROVEMENTS IN OR RELATING TO THREAT CLASSIFICATION | 2021-11-25 |
20210364630 | INSTALLATION STATE DIAGNOSING DEVICE, INSTALLATION STATE DIAGNOSING METHOD AND PROGRAM THEREFOR, AND INSTALLATION STATE DISPLAY METHOD - An embodiment of the present invention is an equipment state diagnosis device including a classification unit that classifies an equipment state of a utility pole into an equipment configuration pattern based on equipment configuration information of the utility pole obtained from a database in which the equipment configuration information and a deflection amount of the utility pole are stored, and a diagnosis method determination unit that determines a diagnosis method for the utility pole from the equipment configuration pattern of the utility pole classified by the classification unit and the deflection amount of the utility pole obtained from the database. | 2021-11-25 |
20210364631 | VEHICLE SENSOR MOUNTING STRUCTURE AND VEHICLE SENSOR BRACKET SET - A vehicle sensor mounting structure includes a first sensor kit and a second sensor kit, each having a sensor group including a plurality of sensors and a bracket on an upper surface of which the sensor group is installed, a first fitting portion which is provided on a front side of the roof in a vehicle front-rear direction and into which a first bracket is fitted such that the upper surface is exposed, and a second fitting portion which is provided on a rear side of the roof in the vehicle front-rear direction so as to face the first fitting portion in the vehicle front-rear direction and into which a second bracket is fitted such that the upper surface is exposed. The plurality of sensors of each sensor group includes at least two kinds of sensors selected from among a camera, a millimeter wave radar, and a LiDAR sensor. | 2021-11-25 |
20210364632 | Methods and Systems for Map Creation and Calibration of Localization Equipment in an Outdoor Environment - An autonomous guidance system can include an autonomous vehicle that utilizes both GNSS RTK data and SLAM data to navigate an outdoor environment. In some embodiments, the autonomous vehicle includes a GNSS antenna and at least one SLAM component. In some embodiments, the GNSS antenna is used in connection with a base station and at least one satellite. In some embodiments, the autonomous guidance system interacts with a mobile device associated with an operator. | 2021-11-25 |
20210364633 | METHOD AND SYSTEM FOR POSITION CAPTURE - In a method and system for position capture of a vehicle along a driving route, situated on a concrete floor having a reinforcement: the vehicle carries out a reference drive along the driving route, the vehicle records measuring points along the driving route, and each measuring point allocates a signal from the reinforcement to a position on the driving route; a reference profile of the driving route is determined based on the measuring points ascertained during the reference drive; the vehicle drives along the driving route and records further measuring points; a profile segment is determined from the further measuring points; the profile segment is uniquely allocated to a segment of the reference profile, e.g., using a correlation method; a position on the driving route is uniquely allocated to the vehicle with the aid of the profile segment allocated to the reference profile. | 2021-11-25 |
20210364634 | SOFTWARE DEFINED AUTOMOTIVE RADAR SYSTEMS - A radar system processes signals in a flexible, adaptive manner to determine range, Doppler (velocity) and angle of objects in an environment. The radar system includes transmitters configured to transmit radio signals, receivers configured to receive radar signals, and a control unit. The received radio signals include transmitted radio signals transmitted by the transmitters and reflected from objects in an environment. The control unit adaptively controls the transmitters and the receivers based on a selected operating mode for the radar system. The selected operating mode meets a desired operational objective defined by current environmental conditions. The control unit is configured to control the receivers to produce and process data according to the selected operating mode. | 2021-11-25 |
20210364635 | REAL-TIME AUTONOMOUS WEATHER AND SPACE WEATHER MONITORING - A method of calculating ionospheric scintillation includes calculating a motion-corrected perturbation of a GNSS radio signal received by a monitoring device deployed in an oceanic environment. The method includes calculating the σΦ using the high rate phase of the GNSS signal adjusted by removing the change in distance between the monitoring device and the GNSS satellite. The calculating the σΦ may further include passing the adjusted high rate phase through a high pass filter to remove a drift motion of the monitoring device. The method further includes calculating the S | 2021-11-25 |
20210364636 | ICE TRANSDUCER - A transducer system for locating fish in water beneath ice. A cable coupled with a transducer housing both physically suspends the housing at a selected depth and a selected angular orientation and conveys sonar data to a display unit on the surface. First and second transducers are mounted in the housing and generate the sonar data. The transducers are mounted so as to have different relative angular orientations. | 2021-11-25 |
20210364637 | OBJECT LOCALIZATION USING MACHINE LEARNING - Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for determining a location of a particular object relative to a vehicle. In one aspect, a method includes obtaining sensor data captured by one or more sensors of a vehicle. The sensor data is processed by a convolutional neural network to generate a sensor feature representation of the sensor data. Data is obtained which defines a particular spatial region in the sensor data that has been classified as including sensor data that characterizes the particular object. An object feature representation of the particular object is generated from a portion of the sensor feature representation corresponding to the particular spatial region. The object feature representation of the particular object is processed using a localization neural network to generate the location of the particular object relative to the vehicle. | 2021-11-25 |
20210364638 | OBJECT RECOGNIZING DEVICE - Noise in measurement results of a laser distance measurement sensor is smoothed, and erroneous recognition of a position and a size of an object based on the measurement result is suppressed. An object recognition device according to the present invention recognizes the object by grouping the measurement results of the laser distance measurement sensor, calculates reliability of the recognition result thereof, and changes a time for continuously retaining the measurement result according to the reliability. | 2021-11-25 |
20210364639 | FREE SPACE DETECTION APPARATUS AND FREE SPACE DETECTION METHOD - A free space detection apparatus for a vehicle is provided to detect a free space based on a lidar sensor and recognize a driving environment. The apparatus includes a point data processor that removes noise of point data acquired from the LIDAR sensor and derives a half line with respect to an obstacle point from which noise has been removed based on coordinates of the obstacle point. A map processor generates a map for space classification, checks whether the obstacle point or the half line with respect to the obstacle point is present in a cell of the map and determines cell states of the map. A free space detector detects a free space based on the cell states of the map. | 2021-11-25 |
20210364640 | ELECTROMAGNETIC WAVE DETECTION APPARATUS AND INFORMATION ACQUISITION SYSTEM - An electromagnetic wave detection apparatus ( | 2021-11-25 |
20210364641 | DETECTION DEVICE AND ASSOCIATED LIDAR SYSTEM - A detection device for a coherent lidar imaging system includes an integrated detector comprising a matrix array of pixels distributed over N columns and M rows and comprising an optical guide, called reference guide, configured so as to receive a laser beam, called reference beam, N optical guides, called column guides, coupled to the reference guide, each column guide being coupled to M optical guides, called row guides, the M row guides being configured so as to route part of the reference beam into each pixel of the column, called pixel reference beam, each pixel of the integrated detector comprising: a guided photodiode coupled to an optical detection guide, a diffraction grating, called pixel grating, configured so as to couple a portion of a beam illuminating the pixel into the guided photodiode, a coupler, called pixel coupler, configured so as to couple the pixel coupled beam and at least a fraction of the pixel reference beam into the detection guide, an electronic readout and preprocessing circuit. | 2021-11-25 |
20210364642 | TOF CAMERA - [Problem] To provide a camera with high sensitivity even if an output to the outside is weak. [Solution] This camera includes a light source | 2021-11-25 |
20210364643 | Collision Avoidance Device - A beam scanner that outputs a signal to an alarm module or the operational guidance system of a vehicle to help correct the vehicle's steering and braking, or dispatch an audible or visual alarm. The beam scanner is used as part of an electromagnetic signal transmit module or an electromagnetic signal receive module in either a transmissive or reflective mode. The beam scanner is a substantially transparent and partially conductive substrate plate having at least one generally planar face thereon with a series of particles affixed with said plate, each of said particles of an arbitrary size, and each of said particles possessing an induced dipole moment, and each of said particles in electrical contact with said partially conductive substrate plate. | 2021-11-25 |
20210364644 | METHOD FOR DETECTING SPOOFING IN A GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVER, CORRESPONDING RECEIVER APPARATUS AND COMPUTER PROGRAM PRODUCT - An embodiment method comprises receiving a satellite signal in a tracking channel, generating a set of replicas of a pseudo random noise sequence, comprising a punctual replica and a plurality of replicas that are different in time with respect to the punctual replica over a given time spacing, correlating the received signal with each replica to obtain amplitude correlation values, monitoring the tracking channel to detect a spoofed signal by generating a further plurality of replicas of the pseudo random noise sequence having a respective time spacing greater than the given time spacing, correlating the received signal of the tracking channel with each further replica to obtain further amplitude correlation values, calculating a shape anomaly factor based on the further correlation amplitude values, verifying the shape anomaly factor is greater than a given shape anomaly threshold, and signaling detection of a spoofed signal on the tracking channel. | 2021-11-25 |
20210364645 | METHOD FOR GPS SPOOFING DETECTION WITH GPS RECEIVERS LEVERAGING INACCURACIES OF GPS SPOOFING DEVICES AND APPARATUS THEREFORE - A method for detecting a GPS spoofing attack using a difference between output values of a GPS receiver, which is generated due to inaccuracy of a GPS spoofer, and an apparatus therefor are provided. The method includes receiving a GPS signal; and determining the received GPS signal as a GPS satellite signal or a GPS spoofing signal using a learning model learned based on a difference between output values of a GPS receiver. The method further includes labeling and collecting dispersion degree data including a position, a speed, and a time output from the GPS receiver with whether the GPS signal is the GPS satellite signal or the GPS spoofing signal and modeling the learning model using the collected data. | 2021-11-25 |
20210364646 | GNSS receiver with synchronization to external timescale - GNSS timing receiver with synchronization of raw GNSS measurements to an external timescale. Synchronization is achieved by using a hardware Time Interval Measurement Unit (TIMU). The TIMU measures time intervals between two pulse signals and makes additional processing of these measurements. The first pulse signal is generated inside the GNSS receiver. The second pulse signal is the external pulse signal generated by an external time reference device. This time interval is used to control the time instant when the output GNSS measurement will be taken. In the first embodiment all actual GNSS measurements are physically taken at time instants indicated by external pulse signal. These measurements are used as output GNSS measurements. In another embodiment all actual GNSS measurements are taken at their default time instants indicated by internal pulse signal. But output GNSS measurements are calculated at the time instants indicated by the external pulse signal. | 2021-11-25 |
20210364647 | APPARATUS THAT ESTIMATES POSITION AND POSTURE OF MOBILE BODY, PROGRAM FOR THE SAME, SYSTEM THAT ESTIMATES THE POSITION AND THE POSTURE OF THE MOBILE BODY, AND METHOD FOR THE SAME - Three or more receivers installed in a UAV receive signals from a number of satellites, and generate, based on these received signals, observation data items including information items about distances from the satellites to the receivers. An information processing apparatus calculates, based on these observation data items and on position data items of the plurality of satellites, estimated reception positions at which one or more of the receivers are estimated to receive the signals from the satellites. The information processing apparatus calculates, based on these estimated reception positions and on an estimated posture of the UAV, estimated positions of a ranging apparatus in the UAV. The ranging apparatus measures a distance to a target by applying a laser beam to the target in synchronization with timings at which the receivers receives the signals from the satellites. | 2021-11-25 |
20210364648 | COORDINATED SMART CONTRACT-BASED SATELLITE MANAGEMENT AND OPERATION - Coordinated smart contract-based satellite management and operation is provided by obtaining terms of smart contracts that govern utilization of a constellation of Earth-orbiting satellites, which form a space-based data center, in transmitting data between the constellation of satellites and ground stations for receiving data transmissions. Different service providers operate different satellites of the constellation and different ground stations of the collection, and the smart contracts further govern servicing of requests made between the different service providers. A service provider operates satellite(s) of the constellation pursuant to the smart contracts and ground station(s) of the collection of ground stations. This includes receiving a request for data stored on a satellite, selecting a device to which the satellite is to send the data, the selecting being made between at least (i) a ground station and (ii) another satellite of the constellation, and initiating sending the data to the selected device. | 2021-11-25 |
20210364649 | SYSTEMS AND METHODS FOR GNSS PROCESSING TO DETERMINE SECONDARY CODE PHASE - A receiver device to receive an incoming radio frequency (RF) satellite signal from a satellite vehicle includes a processor and computer-readable storage media. The computer-readable storage media is communicably connected to the processor and has instructions stored thereon that, when executed by the processor, causes the processor to track the incoming RF satellite signal in code phase and carrier frequency, the incoming RF satellite signal having a primary pseudorandom (PRN) code and a secondary PRN code modulated thereon, generate an encoded sequence of dot product values of adjacent integrated in-phase (I) and quadrature-phase (Q) components of the incoming RF satellite signal, compare the encoded sequence with expected secondary code chip transitions, determine a secondary code phase for the secondary PRN code based on the comparison, and coherently integrate the secondary code phase with the incoming RF satellite signal to increase an integration interval. | 2021-11-25 |
20210364650 | Estimation of Barometric Pressure Measurement Bias Based on Global Navigation Satellite System Signals - A method for estimating the pressure measurement bias of a barometric sensor in a wireless terminal. A location engine using the method generates an enhanced estimate of the measurement bias. The location engine generates the enhanced estimate based in part on Global Navigation Satellite System (GNSS)-based estimates of the elevation of the wireless terminal, which the terminal generates as it concurrently makes barometric pressure measurements. Each GNSS-based estimate of elevation is often generated from noisy measurements and has an associated uncertainty. The location engine accounts for the uncertainty in the GNSS estimates of elevation by applying an optimal estimation technique, such as Kalman filtering, on the biased pressure measurements and the GNSS-based estimates. Once the location engine generates the enhanced estimate of measurement bias, it can adjust subsequent measurements of barometric pressure made by the wireless terminal and generate improved estimates of elevation of the wireless terminal. | 2021-11-25 |