10th week of 2022 patent applcation highlights part 40 |
Patent application number | Title | Published |
20220074983 | Buried Cable Break Detector and Method - A buried perimeter loop wire break detector with a base unit and probe unit. The base unit injects different frequencies into the two ends of the loop wire and the probe unit detects the frequencies at a test location along the wire. If a signal is not detected, that indicates the direction toward the break. By halving the distance along the wire toward the break and retesting, the location is quickly determined. Both frequencies and amplitude are measured, sometimes with amplification, both earth and wired grounds may be employed, and a micro-ohmmeter measures resistance of the loop wire to indicate satisfactory operation. | 2022-03-10 |
20220074984 | METHOD AND DEVICE FOR IDENTIFYING THE LOCATION OF A FAULT IN AN ELECTRICAL POWER DISTRIBUTION NETWORK - Method and device for determining a fault location in an electric power distribution network with an infeed and lines in the form of a main strand and a multiplicity of branches of the main strand. First and second measured values are acquired at a first and second measurement point of the power distribution network, and a fault location is determined based on the first and the second measured values. Arrival of respective traveling waves are identified based on the first and the second measured values, and the times of the respective arrival of the traveling wave are stored. A first fault location value is generated using the respective times of both measurement points and a second fault location value is generated using the times of only the first measurement point. The fault location is determined based on the first fault location value and the second fault location value. | 2022-03-10 |
20220074985 | MULTI-TIME-SCALE RELIABILITY EVALUATION METHOD OF WIND POWER IGBT CONSIDERING FATIGUE DAMAGE AND SYSTEM THEREOF - The disclosure discloses a multi-time-scale reliability evaluation method of a wind power IGBT considering fatigue damage and a system thereof. Lifetime information of a power device is comprehensively extracted by using multiple time scales. An electro-thermal coupling model of an IGBT module is established to obtain a junction temperature data. A steady-state junction temperature database of the IGBT in different aging states is established. Based on a SCADA monitoring data, the junction temperature data is outputted in real-time through the electro-thermal coupling model and a real-time thermal stress cycle number is calculated in a short-term time-scale profile, and a wind speed probability distribution curve is obtained in a long-term time-scale profile. A maximum thermal stress cycle number that the IGBT can withstand in different aging stages is obtained in advance and a cumulative damage degree and an estimated lifetime of the IGBT of the wind power converter are calculated. | 2022-03-10 |
20220074986 | Test System for Memory Card - A test system for a memory card includes a first circuit board. One side of the first circuit board is provided with a plurality of contact groups spaced apart from each other along a row direction. Another side of the first circuit board is provided with slots disposed along the row direction. The test system further includes a second circuit board. The second circuit board is provided with a test circuit, and is inserted into the slot along a direction perpendicular to the first circuit board. The second circuit board provides a test signal to the contact groups. | 2022-03-10 |
20220074987 | ERROR RATE MEASURING APPARATUS AND ERROR RATE MEASURING METHOD - An error rate measuring apparatus includes a data transmission unit that transmits a test signal of a known pattern and a parameter value defined by a communication standard to a device under test, and a bit error measurement unit that measures a bit error of a signal transmitted from the device under test. The data transmission unit sequentially changes the parameter value and transmits the parameter value to the device under test. The bit error measurement unit measures a bit error of a signal transmitted from the device under test corresponding to the parameter value. The error rate measuring apparatus further includes a discrimination unit that discriminates a parameter value at which the number of bit errors is the least in a measurement result of the bit error measurement unit, as an optimum value of emphasis of an output waveform of the device under test. | 2022-03-10 |
20220074988 | MEMORY EMBEDDED FULL SCAN FOR LATENT DEFECTS - A memory circuit includes input multiplexers passing one of a pair of input bits. A first input multiplexer receives a first data bit and a serial input bit. Additional input multiplexers receive either a respective pair of data (D) bits, or a write-enable (WEN) bit and a single D bit. Scan latches receive one of the input bits and provide a scan output bit. OR gates arranged receive the scan output bit from a different scan latch, and perform a logical OR operation thereon to generate an OR output bit. Downstream output multiplexers pass a corresponding bit from a bit array or the OR output bit from a corresponding OR gate, and sense latches receive the corresponding bit from one of the output multiplexers and provide a sense output bit. Each sense output bit feeds into one or more input multiplexers when a bit-write-mask function is disabled. | 2022-03-10 |
20220074989 | PROGRAMMABLE TEST COMPRESSION ARCHITECTURE INPUT/OUTPUT SHIFT REGISTER COUPLED TO SCI/SCO/PCO - The disclosure describes novel methods and apparatuses for accessing test compression architectures (TCA) in a device using either a parallel or serial access technique. The serial access technique may be controlled by a device tester or by a JTAG controller. Further the disclosure provides an approach to access the TCA of a device when the device exists in a daisy-chain arrangement with other devices, such as in a customer's system. Additional embodiments are also provided and described in the disclosure. | 2022-03-10 |
20220074990 | DIAGNOSTIC APPARATUS FOR SWITCHING DEVICE - A diagnostic apparatus for switching device diagnoses whether any anomalies occurs in a switching device including an operation shaft that opens and closes a circuit breaker contact serving as a contact. The diagnostic apparatus for switching device includes: a gradient calculation unit that calculates a gradient of a waveform that indicates motion of the operation shaft and represents a relationship between a position of the operation shaft and a time that elapses since an operating command has been input to the switching device; and an anomaly diagnosis unit that extracts, from a relationship between the time and the gradient calculated, a feature value representing a motion characteristic of the operation shaft and diagnoses whether an anomaly occurs and a factor behind the anomaly that occurs, on the basis of a result of comparison between the extracted feature value and a preset reference value. | 2022-03-10 |
20220074991 | SYSTEM AND METHOD OF LOW POWER SWITCH STATE DETECTION - A switch sensor for sensing a state of a switch including a programmable memory, pulse generation circuitry, and comparator circuitry. The memory stores a state value indicative of a detected state of the switch. The pulse generation circuitry provides a pulse-train voltage signal to a first end of the switch, in which the pulse-train voltage signal is toggled between an active state for switch state detection and an inactive state for conserving power. A second terminal of the switch is coupled through resistive circuitry to a supply voltage node and may be coupled to an input terminal of the sensor. The comparator circuitry compares a state of the input terminal with the state value when the pulse-train voltage signal is in the active state for providing a state change signal indicative thereof. | 2022-03-10 |
20220074992 | METHOD FOR DETERMINING A GAIN ERROR OF A CURRENT MEASURING DEVICE - The invention relates to a method for determining a gain error of at least one current measuring device ( | 2022-03-10 |
20220074993 | VEHICLE BATTERY ANALYSIS SYSTEM - In one embodiment, a vehicle battery diagnostics system forecasts a future state for a battery by monitoring, over a period of time, one or more of voltage, current or temperature signals from at least one battery of the vehicle, storing information from the voltage, current or temperature signals as time-series data, obtaining a forecasting model from a server, the forecasting model indicating at least one shapelet feature that corresponds to a forecast categorization, identifying, in the time-series data, a shapelet that matches the at least one shapelet feature to a degree exceeding a predetermined similarity threshold, and providing a notification indicating the forecast categorization. | 2022-03-10 |
20220074994 | BATTERY MATERIALS SCREENING - A method, apparatus, system for batter material screening is disclosed. First, microstructure generation parameters for a plurality of microstructures are received, where the microstructure generation parameters include microstructure characteristics. Microstructure statistics are generated using a first artificial intelligence (“AI”) model, where the received microstructure generation parameters are inputs for the first AI model. Microstructure properties are predicted using a second AI model for the microstructures based on the generated microstructure statistics, the received microstructure generation parameters, and battery cell characteristics. It is determined whether at least one of the microstructures is within a predefined energy profile range based on the predicted microstructure properties. | 2022-03-10 |
20220074995 | METHOD AND SYSTEM WITH BATTERY MANAGEMENT - A battery management method and system are provided. The method includes acquiring one or more parameters associated with the battery. The one or more parameters includes a current level, a voltage level, a State of Charge (SOC), and a temperature. The method includes determining a load and energy estimation model based on the one or more acquired parameters. The method includes identifying a power limit of the battery based on the load and energy estimation model. The method includes determining a power margin of the battery at a first usage time interval based on the identified power limit. The method includes performing one or more actions, based on a determination that the power margin of the battery exceeds a predefined threshold level. | 2022-03-10 |
20220074996 | Apparatus for Electricity Measurement of Flow Battery and Method Thereof - An apparatus is provided for measuring the power of electrolytes at different positions of a flow battery by switching six-way valves without reconnecting channels. With the measurements at the positions, weighting is processed to obtain power corresponding to charging statuses for determining accurate power. The charging and discharging of voltage and current of the battery are controlled for constant operations with high efficiency. Consequently, the efficiency of power conversion is improved; energy consumption is reduced; and the battery is always run within a safe power-range for avoiding accidents or damages to the battery. In addition, the present invention is further applicable to a device monitoring the features of a battery unit. The six-way valves online monitor the power at center positions by switching. The values measured at different positions are aimed at the abnormality of the battery unit for processing adjustment or offline replacement to maintain best operation performance. | 2022-03-10 |
20220074997 | MEASURING AC FREQUENCY RESPONSE IN WIRELESS BATTERY MANAGEMENT SYSTEMS - A wireless battery management system may include a network controller and a plurality of monitors coupled to a battery. The wireless battery management system may coordinate taking and gathering of alternating current frequency responses (ACFR) of the battery. The wireless battery management system may collect and store information spanning the lifecycle of the battery across different host devices. | 2022-03-10 |
20220074998 | SELF-CHARACTERIZING SMART CELLS FOR BATTERY LIFECYCLE MANAGMENT - The battery monitoring techniques described herein use a self-characterizing wireless monitor coupled to a battery to monitor different properties of the battery. The wireless monitor may measure, among other things, an alternating current frequency response (ACFR) of the battery. To accomplish this, the wireless monitor may generate and inject a stimulus signal into the battery, and the monitor may then synchronously measure the corresponding impedance response of the battery. | 2022-03-10 |
20220074999 | BATTERY MONITORING SYSTEM - An assembled battery monitoring device in the present disclosure includes: an excitation signal processor generates a excitation signal by processing an in-phase signal of an orthogonal reference signal generated by a signal generator; a current exciter generates an excitation current based on the excitation signal according to voltage signals, and energizes a battery cell; and an impedance measurer measures an AC impedance of the battery cell based on the excitation current measured by the current measurer and a voltage of the battery cell measured by the voltage measurer. | 2022-03-10 |
20220075000 | Apparatus And Method For Determining Degradation Degree Of Battery And Battery Pack Comprising The Apparatus - Provided are an apparatus, method and battery pack for determining a degradation degree of a battery. The apparatus generates first sensing information indicating a voltage and a current of the battery while the battery is charged with a first constant current. The apparatus generates second sensing information indicating a voltage and a current of the battery for a second period during which the battery is discharged with a second constant current. The apparatus determines a first differential capacity curve based on the first sensing information and a second differential capacity curve based on the second sensing information. The apparatus is configured to determine the degradation degree of the battery based on a voltage value of a first charge feature point of the first differential capacity curve and a voltage value of a first discharge feature point of the second differential capacity curve. | 2022-03-10 |
20220075001 | ELECTRONIC DEVICE, METHOD FOR DETECTING DETERIORATION OF RECHARGEABLE BATTERY, AND STORAGE MEDIUM - An electronic device includes: a first processor; a load that operates with power supplied by a rechargeable battery; and a first sensor that obtains information on an output voltage of the rechargeable battery. The first processor determines whether the rechargeable battery is in a low usage state with regard to power supply by the rechargeable battery. Based on the information obtained by the first sensor, the first processor determines a degree of decrease in the output voltage over a period of time during which the rechargeable battery is determined to be in the low usage state. Based on the determined degree of decrease, the first processor detects a deterioration of the rechargeable battery. | 2022-03-10 |
20220075002 | DETECTING LATENT FAULTS WITHIN A CELL OF AN ENERGY STORAGE SYSTEM - A method of detecting a latent fault of at least one cell among a plurality of cells in an energy storage system, and a control unit performing the method. The method comprises determining State of Health Cell Resistance, SoHCR, and State of Charge, SoC, of a selected cell, wherein the selected cell is indicated to have a latent fault if a determined value of the SoHCR is higher than a reference value and if a determined value of the SoC is higher than a reference value; or determining State of Health Cell Capacity, SoHCC, and State of Charge, SoC, of a selected cell, wherein the selected cell is indicated to have a latent fault if a determined value of the SoHCC is lower than a reference value and if a determined value of the SoC is higher than a reference value. | 2022-03-10 |
20220075003 | EXTERNAL CONNECTOR AND SENSOR UNIT FOR WELDING EQUIPMENT - A connector and sensor unit for a welding apparatus, including a first port configured to be connected to a first welding cable of the welding apparatus, a second port configured to be connected to a second welding cable of the welding apparatus, current sensor circuitry configured to sense a current being supplied by the first welding cable and the second welding cable, and to output a corresponding current sense signal, voltage sensing circuitry configured to sense a voltage between the first welding cable and the second welding cable, and to output a corresponding voltage sense signal, and supply power circuitry configured to generate a predetermined voltage for at least the current sensor circuitry, wherein the supply power circuitry receives power from the first welding cable and the second welding cable via at least one inductor. | 2022-03-10 |
20220075004 | POWER SUPPLY SEMICONDUCTOR INTEGRATED CIRCUIT - A power supply semiconductor integrated circuit includes an output transistor, a control circuit, a first-fault detection circuit, a second-fault detection circuit, a delay circuit, and a latch circuit. The output transistor is connected between a voltage-input terminal to which a DC voltage is input and a voltage-output terminal. The control circuit controls the output transistor. The first-fault detection circuit detects a first fault. The second-fault detection circuit detects a second fault different from the first fault. The delay circuit delays an output of the first-fault detection circuit and an output of the second-fault detection circuit. The latch circuit captures and holds an output of the delay circuit. The delay circuit includes: a constant current source for charging a delay capacitor; a discharge switch for discharging the delay capacitor; and a voltage comparator circuit that compares a charge voltage across the delay capacitor and a predetermined voltage. | 2022-03-10 |
20220075005 | SYSTEM AND METHOD FOR DETECTING STATOR FAULTS IN AC ELECTRICAL MACHINES - A system and method for detecting a phase-to-ground fault in an AC electrical machine operates to receive measurements of three-phase voltages and currents provided to the AC electrical machine, compute at least one of a zero sequence component and a negative sequence component of voltage and current from the three-phase voltages and currents, and calculate a fault severity index (FSI) based on the zero or negative sequence component of voltage and current, so as to identify a phase-to-ground fault in the AC electrical machine. Calculating the FSI further includes determining a total value of the zero or negative sequence current, determining a noise-contributed value of the zero or negative sequence current included in the total value, determining a compensated value of the zero or negative sequence current based on the total value and the noise-contributed value, and calculating the FSI based on the compensated value. | 2022-03-10 |
20220075006 | MOBILE ELECTRIC LEAKAGE DETECTION DEVICE AND METHOD - A mobile earth leaking survey apparatus is provided. The apparatus includes a magnetic field sensor. The apparatus includes a plurality of electrodes configured to be capacitively coupled to ground. The apparatus includes a signal timing unit for finding and setting a time T by analyzing signals input from the magnetic field sensor, wherein the time T matches a signal start time of a survey current transmitter. The apparatus includes a signal detection unit for identifying a polarity and a magnitude of a signal from the magnetic field sensor for a predetermined discrete period of time at a predetermined interval time from the time T. The apparatus includes a potential measuring unit for measuring an earth potential value input from the plurality of electrodes. | 2022-03-10 |
20220075007 | HALL-EFFECT SENSOR WITH REDUCED OFFSET VOLTAGE - A semiconductor device includes first and second Hall-effect sensors. Each sensor has first and third opposite terminals and second and fourth opposite terminals. A control circuit is configured to direct a current through the first and second sensors and to measure a corresponding Hall voltage of the first and second sensors. Directing includes applying a first source voltage in a first direction between the first and third terminals of the first sensor and applying a second source voltage in a second direction between the first and third terminals of the second sensor. A third source voltage is applied in a third direction between the second and fourth terminals of the first sensor, and a fourth source voltage is applied in a fourth direction between the second and fourth terminals of the second sensor. The third direction is rotated clockwise from the first direction and the fourth direction rotated counter-clockwise from the second direction. | 2022-03-10 |
20220075008 | STRAY FIELD IMMUNE ANGLE SENSOR - An apparatus comprising: a ring magnet having first surface, a second surface, and a bore extending from the first surface to the second surface, the bore having a central longitudinal axis; a substrate disposed inside the bore, the substrate having a first axis and a second axis; a first group of magnetic field sensing elements that are formed on the substrate, the first group of magnetic field sensing elements including a first in plane magnetic transducer and a second magnetic field sensing element, the first magnetic field sensing element being aligned with the first axis and the second magnetic field sensing element being aligned with the second axis; and a second group of magnetic field sensing elements that are formed on the substrate, the second group of magnetic field sensing elements including a third magnetic field sensing element and a fourth magnetic field sensing element, the third magnetic field sensing element being aligned with the first axis, and the fourth MR element being aligned with the second axis. | 2022-03-10 |
20220075009 | SILICON HALL SENSOR WITH LOW OFFSET AND DRIFT COMPENSATION COILS - An integrated circuit includes a doped region having a first conductivity type formed in a semiconductor substrate having a second conductivity type. A dielectric layer is located between the doped region and a surface plane of the semiconductor substrate, and a polysilicon layer is located over the dielectric layer. First, second, third and fourth terminals are connected to the doped region, the first and third terminals defining a conductive path through the doped region and the second and fourth terminals defining a second conductive path through the doped region, the second path intersecting the first path. | 2022-03-10 |
20220075010 | MAGNETIC MULTI-TURN SENSOR AND METHOD OF MANUFACTURE - The present disclosure provides a magnetic multi-turn sensor comprising a continuous coil of magnetoresistive elements and a method of manufacturing said sensor. The continuous coil is formed on a substrate such as a silicon wafer that has been fabricated so as to form a trench and bridge arrangement that enables the inner and outer spiral to be connected without interfering with the magnetoresistive elements of the spiral winding in between. Once the substrate has been fabricated with the trench and bridge arrangement, a film of the magnetoresistive material can be deposited to form a continuous coil on the surface of the substrate, wherein a portion of the coil is formed in the trench and a portion of the coil is formed on the bridge. | 2022-03-10 |
20220075011 | TENSION MEASURING METHOD - A tension measuring method installs a reel having a cylindrical coil forming part on a cable to be measured, forms a coil by winding a conductor around the coil forming part, measures a magnetic hysteresis loop of the cable by supplying a current to the coil to generate a magnetic field, and computes a tension of the cable using a parameter determined from the hysteresis loop. A magnetic field sensor and a magnetic flux sensor are provided inside a through hole in the coil forming part, and the cable is positioned inside the through hole. The magnetic field is varied so that the hysteresis loop includes a near-saturation magnetization region, to measure the hysteresis loop using the sensors. The parameter is selected from a magnetic flux or a magnetic flux density, a remanent magnetization, a coercivity, a magnetic permeability, and a hysteresis loss in the near-saturation magnetization region. | 2022-03-10 |
20220075012 | MAGNETIC RESONANCE APPARATUS WITH A PATIENT POSITIONING APPARATUS AND A COMMUNICATION UNIT - The disclosure relates to a magnetic resonance apparatus with a patient positioning apparatus comprising at least one coil plug-in element and a communication unit, wherein the magnetic resonance apparatus comprises an adapter apparatus with a communication interface and the adapter apparatus is adapted to couple the communication unit to the at least one coil plug-in element of the patient positioning apparatus. | 2022-03-10 |
20220075013 | MAGNETOMETRY BASED ON ELECTRON SPIN DEFECTS - A magnetometer includes a sample signal device; a reference signal device; a microwave field generator operable to apply a microwave field to the sample signal device and the reference signal device; an optical source configured to emit light including light of a first wavelength that interacts optically with the sample signal device and with the reference signal device; at least one photodetector arranged to detect a sample photoluminescence signal including light of a second wavelength emitted from the sample signal device and a reference photoluminescence signal including light of the second wavelength emitted from the reference signal device, in which the first wavelength is different from the second wavelength; and a magnet arranged adjacent to the sample signal device and the reference signal device. | 2022-03-10 |
20220075014 | SYSTEMS AND METHODS FOR FABRICATING CONFORMAL MAGNETIC RESONANCE IMAGING (MRI) RECEIVE COILS - Methods for forming conformal magnetic resonance imaging (MRI) receive coil devices having at least one receive coil with at least one capacitor are provided and include providing a 3-dimensional (3D) mold structure matching a curvilinear shape of interest, and forming a receive coil pattern on an outer surface of the 3D mold structure. The forming of the receive coil pattern may include spraying and/or depositing a conductive material and a dielectric material on the outer surface of the mold structure to form the receive coil pattern. The forming a receive coil pattern may include forming the receive coil pattern on an outer surface of a flat substrate sheet, and vacuum forming an inner surface of the flat substrate sheet to the outer surface of the mold structure to form a shape-conforming substrate sheet. The shape-conforming substrate sheet may be removed from the mold and used in MRI studies. | 2022-03-10 |
20220075015 | SYSTEMS AND METHODS FOR PROVIDING OPERATING POWER TO AN MAGNETIC RESONANCE IMAGING (MRI) SYSTEM - Systems and methods for operating a magnetic resonance imaging (MRI) system are provided. The MRI system includes a magnetics system and a power system configured to provide power to at least some of the magnetics system. The power system includes an energy storage device and a power supply configured to receive mains electricity. The MRI system also includes at least one controller configured to control the MRI system to operate in accordance with a pulse sequence at least in part by generating, by using power supplied by the power supply and supplemental power supplied by the energy storage device, at least one gradient field using at least one gradient coil of the magnetics system. | 2022-03-10 |
20220075016 | MAGNETIC RESONANCE SYSTEM WITH A MAGNETIC RESONANCE DEVICE AND A MAGNETIC RESONANCE-COMPATIBLE DRIVE UNIT - A magnetic resonance (MR) system may include a MR device and a MR-compatible drive. The MR device may include a scanner with a basic magnet for generating a homogeneous basic magnetic field. The MR-compatible drive may include an electric motor with a stator. The stator of the electric motor may include a dominant component of the basic magnetic field of the basic magnet. | 2022-03-10 |
20220075017 | MACHINE LEARNING FOR SIMULTANEOUSLY OPTIMIZING AN UNDER-SAMPLING PATTERN AND A CORRESPONDING RECONSTRUCTION MODEL IN COMPRESSIVE SENSING - Systems and methods are disclosed for optimizing a sub-sampling pattern for efficient capture of a sub-sampled image to be reconstructed to form a high-resolution image, in a data-driven fashion. For example, Magnetic Resonance Imaging (MRI) scans can be accelerated by under-sampling in k-space (i.e., the Fourier domain). Since the reconstruction model's success depends on the sub-sampling pattern, optimization of the sub-sampling pattern can be combined with optimization of the model, for a given sparsity constraint, using an end-to-end learning operation. A machine-learning model may be trained using full-resolution training data that are under-sampled retrospectively, yielding a sub-sampling pattern and reconstruction model that are customized to the type of images represented in the training data. The disclosed Learning-based Optimization of the Under-sampling PattErn (LOUPE) operations may implement a convolutional neural network architecture, appended with a forward model that encodes the under-sampling process. | 2022-03-10 |
20220075018 | ENHANCING LOCATION ACCURACY IN DENSE URBAN ENVIRONMENT - Systems and methods for determining a location of a mobile computing device requesting emergency services are provided. A mobile computing device may receive an indication of a request for emergency services from a user of the mobile computing device. The mobile computing device may receive a first wireless signal from a first device. The wireless signal may include an indication of a first geographic position associated with the first device. The mobile computing device may determine a location associated with the mobile computing device based on the indication of the first geographic position associated with the first device, and may send the determined location to a provider of emergency services. | 2022-03-10 |
20220075019 | POSITIONING, NAVIGATION, TIMING, RANGING, OR BEACON TRANSMISSION SYSTEM APPARATUS WHICH UTILIZES AND EXPLOITS --- RELAYED, DELAYED, OR VIRTUAL TIMING MARKER TRANSMISSIONS OF GPS, GPS ALTERNATIVE, GNSS, PNT, ELECTRONIC, OPTIC, ACOUSTIC, OR SIMILAR SIGNALS - Traditional “low-to-high waveform change” timing markers, in navigation or GPS signals, can be easily naturally or maliciously altered and require unshareable, high-resolution, high-capacity channels, often not government available. Whereas, message text format methods include proven error correction, redundancy, encryption, jam-resistance, concealability, spoof-resistance, multiuser, delayable messaging, channel efficiency, and downstream authentication. Herein, “virtual timing markers” exploit message format strengths and more. Because many navigating platforms also communicate voice, messages, or data, platforms and multiuser messages can simultaneously and unintrusively share the same transmission signal, which reduces onboard hardware, needed channel capacity, radio frequencies, costs, and infrastructure. FAA mandated, airliner collision avoidance broadcasts of their GPS location can unintrusively commingle navigation messages with aforementioned strengths as precise derivative GPS timing markers on existing, prolific broadcasts having 1000× greater power levels. “Relayed transmission pathways” can eliminate cumbersome traditional nanosecond synchronization of navigation transmitters or exploit inclusion of happenstance neighborhood transmitters. Additional features. | 2022-03-10 |
20220075020 | NOISE-MITIGATED RADAR SYSTEM - An apparatus comprises a transmitter that transmits a signal, a receiver, a multiplier, and a signal shifter included in one of the transmitter and the receiver. The receiver receives a reflected signal comprising an interferer signal with at least one of an amplitude noise or a phase noise and generates a baseband signal comprising a real portion and an imaginary portion. The multiplier multiplies the imaginary portion by a value β chosen based on a power difference α between the amplitude noise and the phase noise, resulting in a modified baseband signal. The signal shifter shifts the interferer signal and the modified baseband signal. An estimator can process the reflected signal and estimate a frequency and phase of the interferer signal for the signal shifter. The value β can be represented as: | 2022-03-10 |
20220075021 | COORDINATION OF WIRELESS COMMUNICATION UNIT AND RADAR UNIT IN A WIRELESS COMMUNICATION NETWORK - A device and method therein for coordinating operation of a radar unit and a wireless communication unit comprised in the device are disclosed. The radar unit obtains information about interference situation on the first frequency range. If the interference situation fulfills a condition, the radar unit transmits at least one radar pulse based on the obtained interference situation and receives at least one radar pulse response associated to reflections of the at least one transmitted radar pulse. The radar unit then determines at least one measurement result based on the transmitted and received radar pulse. | 2022-03-10 |
20220075022 | CONFIGURABLE RADAR TILE ARCHITECTURE - A configurable phased array tile is disclosed including an aperture assembly having a plurality of aperture assembly connectors, a backplane assembly having a plurality of backplane assembly connectors, and a plurality of vertical transmit cards mounted to a corresponding first plurality of aperture assembly connectors and a corresponding first plurality of backplane assembly connectors. The plurality of vertical transmit cards each include a plurality of transmit channels including at least one high power transmit amplifier for powering at least one radiating element mounted to the aperture assembly. | 2022-03-10 |
20220075023 | RADAR DEVICE - A radar device includes a radar transmitting circuit that transmits radar signals from a transmission array antenna, and a radar receiving circuit that receives returning wave signals, where the radar signals have been reflected at a target, from a receiving array antenna. One of the transmitting array antenna and the receiving array antenna includes multiple first antennas of which phase centers are laid out along a first axis direction. The other of the transmitting array antenna and the receiving array antenna includes multiple second antennas of which phase centers are laid out at a second spacing along a second axis direction that is different from the first axis direction. The multiple first antennas include multiple antennas of which the phase centers are laid out at a first spacing, and multiple antennas of which the phase centers are laid out at a third spacing that is different from the first spacing. | 2022-03-10 |
20220075024 | SYSTEM AND METHOD FOR VEHICLE RADAR INSPECTION - A vehicle radar inspection system and method are provided for inspecting a mounting state of a radar sensor mounted to a vehicle. The vehicle radar inspection system includes a centering portion that aligns a position of the vehicle by driving rollers, displacement sensors that are respectively disposed at front and rear sides of the centering portion, an array antenna that measures propagation intensity of a radar signal transmitted from the radar sensor, and a server that connects wireless communication with a wireless terminal of the vehicle, calculates a mounting position of the radar sensor, and detects a mounting error of the radar sensor with reference to a normal reference mounting specification. | 2022-03-10 |
20220075025 | Methods and Apparatus for Detecting Precipitation and Clearing Precipitation from Sensors - In one aspect, a vehicle includes a sensor system, the sensor system including a radar system, the radar system configured to collect a first set of data. The vehicle also includes a clearing system and a detection arrangement. The clearing system is configured to clear at least one surface associated with the sensor system. The detection arrangement arranged to determine when the first set of data indicates a presence of precipitation; wherein when the detection arrangement determines at least that the first set of data indicates the presence of precipitation, the detection arrangement causes the clearing system to activate to clear the at least one surface. | 2022-03-10 |
20220075026 | LIDAR MAP-BASED LOOP DETECTION METHOD, DEVICE, AND MEDIUM - A lidar map-based loop detection method, an electronic device, and a storage medium, which are related to a field of intelligent transportation and a technical field of automatic driving. The specific implementation include: acquiring an eigenvector of each grid in each sub-map of N sub-maps of the lidar map; determining a target eigenvector of each grid in each sub-map of the N sub-maps according to the eigenvector of each grid in each sub-map of the N sub-maps; constructing histograms of the N sub-maps according to the target eigenvector of each grid in each sub-map of the N sub-maps; and determining that a loop relation exists between two target sub-maps in the N sub-maps, in case that a similarity of histograms of the two target sub-maps is greater than a preset threshold value. | 2022-03-10 |
20220075027 | RESONANT LASER DRIVER FOR A LIDAR SYSTEM - A pulsed laser diode driver may include at least one low side switching circuit connected to at least one laser diode. The at least one laser diode may generate at least one light pulse. The low side switching circuit may include an input for receiving energy. The low side switching circuit may also include an inductor configured to store at least a portion of the received energy. Further, the low side switching circuit may include a trigger switch. The trigger switch may cause the inductor to store the portion of the received energy when the trigger switch is closed, and the trigger switch may cause the portion of the received energy stored in the inductor to be delivered to the at least one laser diode after the trigger switch is opened. | 2022-03-10 |
20220075028 | MEASUREMENT DEVICE AND DISTANCE MEASURING DEVICE - A measurement device ( | 2022-03-10 |
20220075029 | MEASURING DEVICE, DISTANCE MEASURING DEVICE AND MEASURING METHOD - A light receiving unit ( | 2022-03-10 |
20220075030 | Vehicle Sensor Mounting System - A vehicle sensor mounting system includes a tubular bridge structure that spans across the width of the vehicle roof and attaches to existing rooftop anchor points. The mounting system allows camera sensors to have full field-of-view coverage while being as close to the vehicle body as possible to reduce parallax, and not being occluded by the vehicle body or mounting system. The mounting system also allows the cameras to be co-axial with a LiDAR sensor and to minimize parallax. The mounting system has a minimum natural frequency that reduces road vibrations, allowing the sensors to remain in a stable mounting position and minimizes the motion of the sensors relative to the vehicle chassis to reduce misalignment errors in the sensor data. The mounting system includes a front and rear assembly. The rear assembly includes a cable hub assembly that provides a single ingress/egress point for a multi-conductor sensor cable. | 2022-03-10 |
20220075031 | LIDAR RECEIVER UNIT - A LIDAR receiver unit for detecting laser light in the surroundings of the LIDAR receiver unit. The LIDAR receiver unit includes a detector surface and a test-light illumination unit immovably situated with respect to the detector surface. | 2022-03-10 |
20220075032 | LASER TRANSCEIVING MODULE AND LIDAR - Embodiments of a laser transceiving module and a LiDAR are disclosed. The laser transceiving module includes a housing; an emitting module configured to emit emergent laser signals; a laser splitting module; and a receiving module. The emergent laser signals emit, through the laser splitting module, outwards and are reflected by a target object in a detection region to return reflected laser signals. The laser splitting module is configured to deflect the reflected laser signals. The receiving module is configured to receive the deflected reflected laser signals. The emitting module, the laser splitting module, and the receiving module are fixed at the housing. An extinction structure is arranged between the emitting module and the laser splitting module and is configured to prevent the emergent laser signals that are reflected by the laser splitting module from emitting to the receiving module. | 2022-03-10 |
20220075033 | LIGHT RECEPTION DEVICE AND DISTANCE MEASUREMENT DEVICE - A light reception device according to an embodiment includes: a light receiving element ( | 2022-03-10 |
20220075034 | LIDAR DEVICE AND DRIVING METHOD THEREOF - Provided are a light detection and ranging (LiDAR) device and a driving method of a LiDAR. Device. The driving method including performing a vertical scanning with respect to a subject region by using a first light reflector, performing a horizontal scanning of the subject region by using a second light reflector, and controlling a driving current applied to the first light reflector in real time during a horizontal scanning process when the vertical scanning is performed at a height different from a reference height, wherein the first light reflector has a first axis, wherein the second light reflector has a second axis, and wherein the first axis and the second axis are spaced apart from each other and perpendicular to each other. | 2022-03-10 |
20220075035 | BEAM STEERING IN FREQUENCY-MODULATED CONTINUOUS WAVE (FMCW) LIDAR SYSTEMS - According to one aspect, a coherent lidar system such as a Frequency-Modulated Continuous Wave (FMCW) lidar system may be provided with a beam steering or scanning arrangement which provides three-dimensional scanning. By providing a beam steering or scanning arrangement which provides an approximately 360 degree range of horizontal scanning, and an approximately twenty degree range of vertical scanning, an FMCW lidar system may achieve a scanning field of view that is similar to that of Time-of-Flight (TOF) lidar systems. A FMCW lidar system with three-dimensional scanning may enable fewer FMCW lidar systems to be used to provide a desired overall scanning field of view, and also achieve a comparable overall scanning field of view as a TOF lidar system substantially without issues such as the significant movement of electrical components. | 2022-03-10 |
20220075036 | RANGE ESTIMATION FOR LIDAR SYSTEMS USING A DETECTOR ARRAY - Embodiments of the disclosure provide a range estimation system for the optical sensing system. The exemplary range estimation system includes an optical detector array configured to receive a laser pulse returned from an object. The optical detector array includes a plurality of detector elements each configured to measure an intensity of the returned laser pulse. The range estimation system further includes a processor. The processor is configured to calculate an intensity-related value based on the intensities of the returned laser pulse measured using the optical detector array. The processor is further configured to determine a traveling time of the laser pulse based on the calculated intensity-related value. The processor is also configured to estimate a range between the object and the optical sensing system based on the traveling time of the laser pulse. | 2022-03-10 |
20220075037 | LIGHT DETECTOR AND DISTANCE MEASUREMENT DEVICE - According to one embodiment, a light detector includes pixels arranged in first and second directions in a pixel area, and a control section. The control section is configured to turn on a first subset of the pixels in a first partial area based on first coordinate information, and to turn on a second subset of the pixels in a second partial area based on second coordinate information different from the first coordinate information. A first tilt of the first partial pixel area differs from a second tilt of the second partial pixel area. | 2022-03-10 |
20220075038 | APPARATUS AND METHODS FOR LONG RANGE, HIGH RESOLUTION LIDAR - A LiDAR system includes an optical transmitter, a scanner, a segmented optical detector including discrete sense nodes distributed along its length, and a controller. The optical transmitter can transmit a ranging signal via an optical component of the scanner. The scanner can change a position and/or orientation of the optical component after the ranging signal is transmitted. The segmented optical detector can receive the return signal corresponding to the ranging signal via the optical component after the change in the position and/or orientation of the optical component. The controller can detect a location of a return spot of the return signal based on outputs of the discrete sense nodes. The controller can determine a distance to an object that reflected the return signal based on the location of the return spot and a residual time of flight of the return signal. | 2022-03-10 |
20220075039 | METHOD FOR CORRECTING NONLINEAR DISTANCE ERROR OF 3-DIMENSIONAL DISTANCE MEASURING CAMERA BY USING PULSE PHASE SHIFT - This application relates to a method of correcting a nonlinear distance error of a 3-dimensional distance measuring camera using a pulse phase shift. In one aspect, the method includes adjusting a phase of an output light pulse output from a light-emitting unit, outputting the phase-adjusted output light pulse to a subject, and receiving a reflected-light pulse reflected from the subject. The method may also include mapping the adjusted phase of the output light pulse to an estimated actual distance so as to correspond thereto and calculating a measured distance using a time difference between a time point at which the output light pulse is output and a time point at which the reflected-light pulse is received. The method may further include calculating and storing a distance-error correction value for correcting a difference between the estimated actual distance and the measured distance. | 2022-03-10 |
20220075040 | ONLINE CALIBRATION OF LIDAR DEVICES - A method for calibrating a LIDAR device. Beams are generated and emitted by a beam source. Beams reflected and/or backscattered by objects in a scanning range of the LIDAR device and beams reflected and/or backscattered by a reflection structure applied on a glass cover of the LIDAR device are received by a detector. A reflection pattern is ascertained based on the beams reflected and/or backscattered by the reflection structure applied on the glass cover and is compared to a reference pattern. At least one corrective measure is taken to calibrate the LIDAR device in the event of a deviation between the ascertained reflection pattern and the reference pattern. A method for ascertaining a fogged glass cover and a LIDAR device are also provided. | 2022-03-10 |
20220075041 | LIDAR WAVEFORM GENERATION SYSTEM - A light detection and ranging (LIDAR) system includes a LIDAR measurement unit, a reference measurement unit, and a phase cancellation unit. The LIDAR measurement unit estimates a time for which a laser beam travels. The reference measurement unit determines a phase of a laser source. The phase cancellation unit identifies phase noise and cancels the phase noise from the laser beam, at least partially based on the phase of the laser source and the time for which the laser beam travels. The denoised signal is used to determine the range between a laser source and a target. | 2022-03-10 |
20220075042 | LASER SENSOR MODULE WITH SOILING DETECTION - A laser sensor module includes a laser diode configured emit a laser beam, an electrical driver configured to supply the laser diode with a driving current to stimulate emission of the laser beam, a detector, and an optical arrangement configured to focus the laser beam to a focus region. The laser diode is arranged to emit the laser beam through the optical arrangement to the focus region. The optical arrangement comprises an emission window. The detector is arranged to determine an interference signal. The laser sensor module comprises a soiling detection unit configured to vary a wavelength of the laser beam with a variation amplitude over a predetermined time period to provide a soiling detection signal indicative of a soiling of the emission window based on an interference signal during the wavelength variation of the laser beam. | 2022-03-10 |
20220075043 | BEAM DISPLACEMENT APPARATUS FOR LIGHT DETECTION AND RANGING - A light detection and ranging (LIDAR) system includes a transmitter, a receiving pixel, a rotating mirror, and a beam displacement apparatus. The transmitter is configured to emit a transmit beam. The receiving pixel is configured to receive a returning beam. The rotating mirror is configured to direct the transmit beam to a target and direct the returning beam to the receiving pixel. The beam displacement apparatus is disposed between the receiving pixel and the rotating mirror. The beam displacement apparatus is configured to introduce a displacement to the returning beam to compensate for a spacing between the transmitter and the receiving pixel. | 2022-03-10 |
20220075044 | BEAM WALKOFF MITIGATION FOR LIGHT DETECTION AND RANGING - A light detection and ranging (LIDAR) system includes a first receive optical coupler, a second receive optical coupler, a first optical mixer, a second optical mixer, and an optical switch. The first optical mixer is configured to receive a first receive signal from the first receive optical coupler. The second optical mixer is configured to receive a second receive signal from the second receive optical coupler. The optical switch is configured to switch an oscillator light signal between the first optical mixer and the second optical mixer. | 2022-03-10 |
20220075045 | SENSOR ALIGNMENT - Described herein are systems, methods, and non-transitory computer readable media for performing an alignment between a first vehicle sensor and a second vehicle sensor. Two-dimensional (2D) data indicative of a scene within an environment being traversed by a vehicle is captured by the first vehicle sensor such as a camera or a collection of multiple cameras within a sensor assembly. A three-dimensional (3D) representation of the scene is constructed using the 2D data. 3D point cloud data also indicative of the scene is captured by the second vehicle sensor, which may be a LiDAR. A 3D point cloud representation of the scene is constructed based on the 3D point cloud data. A rigid transformation is determined between the 3D representation of the scene and the 3D point cloud representation of the scene and the alignment between the sensors is performed based at least in part on the determined rigid transformation. | 2022-03-10 |
20220075046 | EMERGENCY RESCUE EQUIPMENT COMPRISING A HARMONIC REFLECTOR CIRCUIT - An emergency rescue equipmenthaving a harmonic reflector circuit comprising an antenna connected to a non-linear circuit via a matching circuitand a casing that in part enclose the harmonic reflector circuit, wherein the harmonic reflector circuit is configured to receive a signal at a receive frequency (fRX), and configured to transmit said received signal at a transmit frequency (fTX), where the transmit frequency is a multiple of the receive frequency, the harmonic reflector circuit wherein the receive frequency (fRX) is in an interval from a first frequency to a second frequency, where the first frequency is at least 800 MHz; middle second frequency is at least 34 MHz larger than the first frequency;the received signal is transmitted at the transmit frequency (fTX) with an output power (Pout) of at least 70% of the maximum available output power (Pmax). | 2022-03-10 |
20220075047 | RADAR SENSOR FOR FACTORY AND LOGISTICS AUTOMATION - A radar sensor for factory and logistics automation is provided, including: a radar circuitry including a radar chip, configured to generate, emit, receive, and evaluate radar measurement signals; and a housing in which the radar circuitry is located and in which the radar chip has a cross-sectional area of less than 1 cm | 2022-03-10 |
20220075048 | THREE-DIMENSIONAL POSITIONING METHOD AND APPARATUS - A grouping unit separates, into groups, reflection points included in plural sets of reflection-point information items based on positional parameters of the respective reflection points in a first direction. Each of the positional parameters of a corresponding one of the reflection points in the first direction represents a position of the corresponding one of the reflection points in the first direction. A measuring unit performs a two-dimensional trilateration localization for each of the groups based on at least one reflection point included in a corresponding one of the groups to thereby calculate a location of the at least one reflection point included in each of the groups in a second plane. The second plane is defined by the second direction and a group center direction of the corresponding one of the groups. | 2022-03-10 |
20220075049 | METHOD FOR IMPROVING RADAR MEASUREMENTS IN A HANDHELD DEVICE - A device and method therein for improving measurement result made by a radar unit are disclosed. The device comprises the radar unit and at least one motion sensor unit. The radar unit transmits at least one radar pulse in a frequency range and receives at least one radar pulse response associated to reflections of the at least one transmitted radar pulse. The radar unit determines at least one measurement based on the transmitted and received radar pulses. The radar unit further receives information on movement of the device from the at least one motion sensor unit during radar pulse transmission and reception and adjust the at least one measurement based on received information on movement of the device from the at least one motion sensor unit. | 2022-03-10 |
20220075050 | DETECTION AND IDENTIFICATION OF A HUMAN FROM CHARACTERISTIC SIGNALS - One or more sensors are configured for detection of characteristics of moving objects and living subjects for human identification or authentication. One or more processors, such as in a system of sensors or that control a sensor, may be configured to process signals from the one or more sensors to identify a person. The processing may include evaluating features from the signals such as breathing rate, respiration depth, degree of movement and heart rate etc. The sensors may be radio frequency non-contact sensors with automated detection control to change detection control parameters based on the identification of living beings, such as to avoid sensor interference. | 2022-03-10 |
20220075051 | IN-VEHICLE PASSENGER DETECTION SYSTEM AND METHOD USING ULTRA-WIDE BAND RADAR - The present invention provides an in-vehicle passenger detection system and method using an Ultra-Wide Band radar. The present invention processes the values collected using an Ultra-Wide Band radar in the time domain, so that it is possible to detect passengers in a vehicle faster than the time required to process the collected values in the frequency domain using a conventional Ultra-Wide Band radar. Also, the present invention detects a large motion, such as a passenger's hand or foot movement in a vehicle, and a small motion, such as a passenger breathing quietly, using separate data processing procedures, respectively, so that faster and more accurate passenger detection is possible. | 2022-03-10 |
20220075052 | SYSTEMS AND METHODS FOR SIMULTANEOUS RANGE-RATE UNWRAPPING AND OUTLIER REMOVAL FOR RADAR - Systems and methods for operating radar systems. The methods comprise, by a processor: receiving point cloud information generated by radar devices; grouping data points of the point cloud to form at least one segment; computing possible true range-rate values for each data point in the at least one segment; identifying a scan window including possible true range-rate values for a largest number of data points; determining whether at least two modulus of the data points associated with the possible true range-rate values included in the identified scan window have moduli values that are different by a certain amount; determining a new range-rate value for each data point of the segment, when a determination is made that at least two modulus of the data points do have moduli values that are different by the certain amount; and modifying the point cloud information in accordance with the new range-rate value. | 2022-03-10 |
20220075054 | TARGET DETECTION USING MULTIPLE RADAR WAVEFORMS - Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a first user equipment (UE) may receive a reflection of a first radar waveform transmitted by the first UE. The UE may receive a second radar waveform from a second UE, wherein the second radar waveform is a direct transmission from the second UE or a reflection of the direct transmission. The UE may perform target detection based at least in part on the reflection of the first radar waveform and on the second radar waveform. Numerous other aspects are described. | 2022-03-10 |
20220075057 | UNIVERSAL SENSOR ASSEMBLY FOR VEHICLES - A universal sensor assembly for mounting on a vehicle is provided. The universal sensor assembly includes a sensor suite. The sensor suite includes a baseplate and a sensor being supported by the baseplate. The sensor including a field of view (FOV) associated with detecting objects within an environment surrounding the vehicle. The universal sensor assembly further includes a support structure. The support structure includes a set of detachable attachment mechanisms supporting the baseplate. The set of detachable attachment mechanisms is included on a rooftop of the vehicle at positions that are based on surface parameters associated with the rooftop and a support component supporting the baseplate. The one support component is disposed at a position on the rooftop that is based on the surface parameters so that the FOV of the sensor is unoccluded by any portion of the vehicle and the support structure. | 2022-03-10 |
20220075058 | ROAD IDENTIFICATION SYSTEM USING ENHANCED CROSS-SECTION TARGETS - An aspect of the present disclosure is directed to and provides radar-reflecting systems and apparatus that employ metasurfaces to produce enhanced radar cross sections that are greater than those produced by the geometry of the surfaces alone. Another aspect of the present disclosure is directed to and provides heat-ducting systems and apparatus that include metasurfaces. A further aspect of the present disclosure is directed to and provides cards with metasurfaces. Exemplary embodiments utilize fractal plasmonic surfaces for a metasurface. | 2022-03-10 |
20220075059 | LEARNING DATA GENERATION DEVICE, LEARNING DATA GENERATION METHOD, LEARNING DATA GENERATION PROGRAM, LEARNING DEVICE, LEARNING METHOD, LEARNING PROGRAM, INFERENCE DEVICE, INFERENCE METHOD, INFERENCE PROGRAM, LEARNING SYSTEM, AND INFERENCE SYSTEM - A learning data generation device includes: a target object image generating unit for simulating radar irradiation to a target object using a 3D model of the target object to generate a target object-simulated radar image that is a simulated radar image of the target object; a background image acquiring unit for acquiring a background image using radar image information generated by the radar device performing radar irradiation; an image combining unit for generating a combined pseudo radar image obtained by combining the background image and the target object-simulated radar image by pasting the target object-simulated radar image generated by the target object image generating unit to a predetermined position in the background image acquired by the background image acquiring unit; and a learning data generating unit for generating learning data that associates combined simulated radar image information indicating the combined pseudo radar image generated by the image combining unit with class information indicating a type of the target object. | 2022-03-10 |
20220075060 | SYSTEM AND METHOD FOR TURBULENCE DETECTION - An aircraft hazard warning system or method can be utilized to determine a location of turbulence, hail or other hazard for an aircraft. The aircraft hazard warning system can utilize processing electronics coupled to an antenna. The processing electronics can determine an inferred presence of a weather condition in response to lightning sensor data, radar reflectivity data, turbulence data, geographic location data, vertical structure analysis data, and/or temperature data. The system can include a display for showing the weather condition and its location. | 2022-03-10 |
20220075062 | OPTICAL MEASUREMENT DEVICE AND OPTICAL MEASUREMENT METHOD - An optical measurement device is provided with: a light source for emitting light towards a target; a light-receiving unit that is configured so that each of a plurality of pixels is able to detect a received light amount, and that obtains a received light amount distribution signal of each of the pixels; an acquisition unit for acquiring a measured waveform signal from received light amount distribution signals for reflected light that is reflected by the target on the basis of received light amount distribution signals for when no target is present; and an adjustment unit for adjusting a sensitivity parameter with respect to the received light amount distribution signals of the reflected light so that the measured waveform signal is acquired when some of the received light amounts of the received light amount distribution signals of the reflected light are a predetermined value or higher. | 2022-03-10 |
20220075063 | Method and Apparatus for Time-of-Flight Sensing - A method for time-of-flight sensing of a scene is provided. For at least one pixel position, the method includes performing at least one time-of-flight measurement using a first modulation frequency to obtain at least one first measurement value for the pixel position. Further, the method includes for the at least one pixel position performing at least one time-of-flight measurement using a second modulation frequency to obtain at least one second measurement value for the pixel position. The method additionally includes determining an estimate of a distance value of the pixel position based on the at least one first measurement value and the at least one second measurement value using a mapping function. | 2022-03-10 |
20220075064 | CAMERA SYSTEM WITH HIGH UPDATE RATE - A device comprising a processor designed to execute a motion estimation based on intensity images (A | 2022-03-10 |
20220075066 | OPTICAL RANGING DEVICE - In an optical ranging device for measuring a distance to an object using light, an optical system is configured to image reflected light from a predefined region corresponding to pulsed light to a pixel that performs detection, within which a plurality of sub-pixels arranged. A timing control unit is configured to cause detection of the reflected light, which is repeated at time intervals by at least some of the plurality of sub-pixels, and detection of the reflected light, which is repeated at the time intervals by others of the plurality of sub-pixels, to be performed at different phases. A determination unit is configured to, using a result of detection of the reflected light repeated at the time intervals by each of the plurality of sub-pixels, determine a spatial position of the object present in the predefined region range, including a distance to the object. | 2022-03-10 |
20220075067 | Ladar System with Intelligent Selection of Shot Patterns Based on Field of View Data - A ladar transmitter that transmits ladar pulses toward a plurality of range points in a field of view can be controlled to target range points based on any of a plurality of defined shot patterns. Each defined shot pattern can be instantiated to identify various coordinates in the field of view that are to be targeted by a ladar pulses. A processor can process data about the field of view such as range data and/or camera data to make selections as to which of the defined shot patterns should be selected over time. | 2022-03-10 |
20220075068 | DECISION-BASED SENSOR FUSION WITH GLOBAL OPTIMIZATION FOR INDOOR MAPPING - A tightly coupled fusion approach that dynamically consumes light detection and ranging (LiDAR) and sonar data to generate reliable and scalable indoor maps for autonomous robot navigation. The approach may be used for the ubiquitous deployment of indoor robots that require the availability of affordable, reliable, and scalable indoor maps. A key feature of the approach is the utilization of a fusion mechanism that works in three stages: the first LiDAR scan matching stage efficiently generates initial key localization poses; a second optimization stage is used to eliminate errors accumulated from the previous stage and guarantees that accurate large-scale maps can be generated; and a final revisit scan fusion stage effectively fuses the LiDAR map and the sonar map to generate a highly accurate representation of the indoor environment. | 2022-03-10 |
20220075069 | DISTANCE-MEASURING IMAGING DEVICE - A distance-measuring imaging device includes: a drive controller that outputs a light emission control signal for instructing emission of pulsed light and an exposure control signal for instructing exposure to reflected light; an image capturer that includes a plurality of pixels and outputs an exposure signal of each of the plurality of pixels that has been exposed at a timing of the exposure control signal; a pixel calculator that generates a composite signal with a pixel filter that combines exposure signals of adjacent pixels among the plurality of pixels using a weight coefficient for the exposure signal; and a time-of-flight (TOF) calculator that generates a distance image, based on the composite signal. The pixel calculator includes at least two pixel filters having different composite scale factors, and selects the pixel filter from the at least two pixel filters. | 2022-03-10 |
20220075070 | DISTANCE IMAGE MEASUREMENT DEVICE, DISTANCE IMAGE MEASUREMENT SYSTEM, AND DISTANCE IMAGE MEASUREMENT METHOD - A distance image sensor includes a light source that generates pulsed light, a light source controller that controls the light source, a pixel circuit including a photoelectric conversion region, charge readout regions, and control electrodes, a charge transfer controller that sequentially applies control pulses to the control electrodes, a signal readout circuit that reads out detection signals of an amount of charge transferred to the charge readout regions and a distance calculator that repeatedly calculates a distance from a difference value between two amounts of charge on the basis of the signals, the light source controller changes generation timing of the pulsed light according to a pseudo random number, and the charge transfer controller changes timings of the application of two control pulses for transferring charge corresponding to the two amounts of charge according to the pseudo random number so that the timings are replaced with each other. | 2022-03-10 |
20220075072 | Automatic LIDAR Performance Monitoring and Maintenance for Autonomous Driving - This disclosure describes example methods and apparatus for automatic identification of performance degradation in a Light Detection and Ranging (LIDAR) device and for providing appropriate precautions in the forms of operation interventions, warnings/alerts, and initiation of maintenance procedures. The performance degradation is derived from various performance indicators obtained by analyzing echo measurement samples detected by the LIDAR device. | 2022-03-10 |
20220075073 | RANGING DEVICE - In a ranging device, a background light calculation unit calculates, for each of a plurality of bearing regions, a background light level parameter related to a level of background light arriving from the bearing region. A coefficient calculation unit calculates multiplier coefficients for the bearing regions such that the multiplier coefficient for each peripheral bearing region around a subject bearing region is negatively correlated with a difference in the background light level parameter between the subject bearing region and the peripheral bearing region. A coefficient-multiplied waveform generation unit generates, for each of the subject bearing region and the peripheral bearing regions, coefficient-multiplied waveform data acquired by multiplying ranging waveform data by the corresponding multiplier coefficient. An integrated waveform generation unit generates integrated waveform data by integrating the coefficient-multiplied waveform data for the subject bearing region and the peripheral bearing regions. | 2022-03-10 |
20220075074 | OBSTACLE DETECTION DEVICE AND OBSTACLE DETECTION METHOD - A result acquisition unit repeatedly acquires measurement results from an environment monitoring sensor that emits probe waves to a probe region and measures the distance and the direction to a reflection point at which the probe waves are reflected. A probability calculation unit calculates a detection probability for each reflection point in accordance with the measurement results acquired by the result acquisition unit. A type determination unit determines the type of the target having the reflection point in accordance with the detection probability calculated by the probability calculation unit. | 2022-03-10 |
20220075075 | LIDAR PHASE NOISE CANCELLATION SYSTEM - A light detection and ranging (LIDAR) system includes a LIDAR measurement unit, a reference measurement unit, and a phase cancellation unit. The LIDAR measurement unit estimates a time for which a laser beam travels. The reference measurement unit determines a phase of a laser source. The phase cancellation unit identifies phase noise and cancels the phase noise from the laser beam, at least partially based on the phase of the laser source and the time for which the laser beam travels. The denoised signal is used to determine the range between a laser source and a target. | 2022-03-10 |
20220075076 | MULTIPLE TARGET LIDAR SYSTEM - A light detection and ranging (LIDAR) system includes a LIDAR measurement unit, a reference measurement unit, and a phase cancellation unit. The LIDAR measurement unit estimates a time for which a laser beam travels. The reference measurement unit determines a phase of a laser source. The phase cancellation unit identifies phase noise and cancels the phase noise from the laser beam, at least partially based on the phase of the laser source and the time for which the laser beam travels. The denoised signal is used to determine the range between a laser source and a target. | 2022-03-10 |
20220075077 | DISTANCE MEASUREMENT APPARATUS, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING APPARATUS - A distance measurement apparatus comprises a light emitter that emits a plurality of light beams toward a scene in different directions and at different timings, a light receiver that includes an array of a plurality of light-receiving elements and detects reflected light from the scene produced by the emission of each light beam with the plurality of light-receiving elements, and a signal processing circuit that generates and outputs output data including measurement data indicating the positions or distances of a plurality of points in the scene on the basis of a signal outputted by the light receiver. The output data includes the data of a plurality of blocks, and individual time data is attached to each of the plurality of blocks. | 2022-03-10 |
20220075078 | SYSTEM AND METHODS FOR COUNTERING SATELLITE-NAVIGATED MUNITIONS - A defense system that receives information regarding an incoming object(s), then automatically coordinates spoofing or jamming of SATNAV signals potentially used by the incoming object(s) while also informing friendly systems of the spoofing or jamming of SATNAV signal. | 2022-03-10 |
20220075079 | NAVIGATION WITH DIFFERENTIAL CARRIER PHASE MEASUREMENT FROM LOW EARTH ORBIT SATELLITES - Systems, device configurations, and processes are provided for navigation and determination of navigation observables based on low Earth orbit (LEO) satellite signals. A method for navigation includes using differential carrier phase measurement of LEO signals including correction of position estimates using integer ambiguity resolution and double difference carrier phase determinations. Frameworks described herein can use a computationally efficient integer ambiguity resolution to reduce the size of the integer least squares (ILS) determination. The framework may include a joint probability density function (pdf) of the megaconstellation LEO satellites' azimuth and elevation angle to characterize a LEO system. Embodiments are also directed to correction of ambiguities of carrier phase differential (CD)-low Earth orbit (LEO) (CD-LEO) measurements that may utilize a base and a rover without requiring prior knowledge of rover position. | 2022-03-10 |
20220075080 | SELECTING EXTERIOR IMAGES OF A STRUCTURE BASED ON CAPTURE POSITIONS OF INDOOR IMAGES ASSOCIATED WITH THE STRUCTURE - Systems, computer-implemented methods, apparatus and/or computer program products are provided that facilitate improving the accuracy of global positioning system (GPS) coordinates of indoor photos. The disclosed subject matter further provides systems, computer-implemented methods, apparatus and/or computer program products that facilitate generating exterior photos of structures based on GPS coordinates of indoor photos. | 2022-03-10 |
20220075081 | MULTISENSOR SYSTEM AND SYSTEM FOR DETERMINING A POSITION OR ORIENTATION - A partitioning of the signal processing and signal fusion of signals in a multisensor system. The individual processing steps or fusions may be carried out in separate subunits, the individual subunits preferably being situated at the signal sources. | 2022-03-10 |
20220075082 | SYSTEM AND METHODS FOR ESTIMATING ATTITUDE AND HEADING BASED ON GNSS CARRIER PHASE MEASUREMENTS WITH ASSURED INTEGRITY - Systems and methods for estimating attitude and heading are provided. The systems and methods utilize carrier phase single difference (CSD) measurements or carrier phase double difference (CDD) measurements and a validation test for CSD or CDD measurement residuals. The systems and methods include applying a wrapping function with limit of ±half of the GNSS carrier signal wavelength to CSD or CDD measurement residuals to generate refined CSD or CDD measurement residuals and validating the refined CSD or CDD measurement residuals variance to determine valid CSD or CDD measurements. By using the validated CSD and CDD measurements, the systems and methods enable low grade hybrid inertial navigation systems to estimate attitude and heading with integrity and without a magnetometer or the need for integer ambiguity resolution even during the static or steady phases of flight/operation. | 2022-03-10 |
20220075083 | GAMMA PROBE WITH HAND-PIECE CONTROL OF DETECTION PARAMETERS - Apparatus, techniques and systems are described for facilitating identification of a target area during a probe-guided radio-localization surgical procedure. The described apparatus, techniques and systems can be used to implement a nuclear-uptake mode controller integrated into a probe to allow a user to instantly switch between multiple nuclear-uptake modes directly from the probe hand-piece. For example, a nuclear-uptake mode controller integrated into the probe can be used to instantly switch between a high-sensitivity nuclear uptake mode and a high-resolution nuclear-uptake mode to effectively identify the target area in the presence of interfering nuclear signals by better matching the probe's nuclear detection parameters to a search task for that target area. | 2022-03-10 |
20220075084 | RADIATION IMAGING APPARATUS, METHOD FOR CONTROLLING SAME, AND STORAGE MEDIUM - An apparatus includes a detection unit including a plurality of two-dimensionally arranged pixels with a plurality of lines located between adjacent pixels, configured to detect an incident radiation and output signals related to a radiation image, a calculation unit configured to calculate a crosstalk ratio related to crosstalk occurring between the adjacent pixels with the plurality of lines therebetween in the detection unit, and a correction unit configured to make a correction to pixel data on a pixel affected by the crosstalk among a plurality of pieces of pixel data constituting the radiation image based on the crosstalk ratio. | 2022-03-10 |
20220075085 | RADIATION IMAGING APPARATUS AND RADIATION IMAGING SYSTEM - A radiation imaging apparatus comprising a first scintillator, a second scintillator which receives radiation transmitted through the first scintillator, conversion elements and a controller is provided. The conversion elements include first conversion elements and second conversion elements with different sensitivities for detecting light emitted from at least one of the first scintillator or the second scintillator. During radiation irradiation, the controller obtains, from a signal output from one or more measuring element configured to measure a dose of incident radiation, a first signal corresponding to light converted from radiation by the second scintillator, and outputs, based on the first signal, a stop signal configured to stop the radiation irradiation, and after the radiation irradiation, the controller causes the first conversion elements and the second conversion elements to output signals configured to generate an energy subtraction image. | 2022-03-10 |
20220075086 | MULTI-SENSOR DATA ASSIMILATION AND PREDICTIVE ANALYTICS FOR OPTIMIZING WELL OPERATIONS - Examples described herein provide a computer-implemented method that includes analyzing a first dataset by applying the first dataset to a first model to generate a first result. The method further includes analyzing a second dataset by applying the second dataset to a second model to generate a second result. The method further includes performing validation on the first model and the second model by comparing the first result to the second result. The method further includes, responsive to determining that the first result and the second result match, modifying an operational action of a surface assembly based on at least one of the first result or the second result. The method further includes, responsive to determining that the first result and the second result do not match, updating at least one of the first model or the second model. | 2022-03-10 |
20220075087 | Methods and Systems for Determining Fast and Slow Shear Directions in an Anisotropic Formation Using A Logging While Drilling Tool - Methods are provided for determining properties of an anisotropic formation (including both fast and slow formations) surrounding a borehole. A logging-while-drilling tool is provided that is moveable through the borehole. The logging-while drilling tool has at least one dipole acoustic source spaced from an array of receivers. During movement of the logging-while-drilling tool, the at least one dipole acoustic source is operated to excite a time-varying pressure field in the anisotropic formation surrounding the borehole. The array of receivers is used to measure waveforms arising from the time-varying pressure field in the anisotropic formation surrounding the borehole. The waveforms are processed to determine a parameter value that represents shear directionality of the anisotropic formation surrounding the borehole. | 2022-03-10 |
20220075088 | Passive Arm For Bi-Directional Well Logging Instrument - A downhole tool may comprise a tool body that is a structural support for the downhole tool, an upper arm attached at one end to the tool body, a pad attached at an opposite end of the upper arm, a lower arm attached at one end to a sliding block and attached to the pad at an opposite end of the lower arm, and a passive arm connected to the lower arm and the tool body. A method may comprise disposing a downhole tool into a borehole, applying a force to a passive arm, applying a second force from the passive arm to the lower arm in response to the force applied to the passive arm, and moving the lower arm and the passive arm in a longitudinal direction along an axis of the downhole tool. | 2022-03-10 |