02nd week of 2021 patent applcation highlights part 39 |
Patent application number | Title | Published |
20210011078 | COMPACT TESTER - A compact tester including a housing having a base plate and a roof plate being parallel and defining a space therebetween. The compact tester includes one or more device-under-test press units having an actuator and a contact head movable by the actuator. The compact tester includes a reinforcement arrangement having a roof reinforcement sub-arrangement coupled to the roof plate and an upright reinforcement sub-arrangement coupled to the base plate. The upright reinforcement sub-arrangement includes a pair of reinforcing side walls extending upright from the base plate. The roof reinforcement sub-arrangement includes a reinforcing structure having a reinforcing panel portion attached flat against the roof plate and an elongated reinforcing rib portion protruding from the reinforcing panel portion and away from the roof plate. The roof reinforcement sub-arrangement is supported by the upright reinforcement sub-arrangement with the elongated reinforcing rib portion extending between the pair of reinforcing side walls. | 2021-01-14 |
20210011079 | DEVICE AND METHOD FOR MONITORING MULTI-DIE POWER MODULE - The present invention concerns a method and a device ( | 2021-01-14 |
20210011080 | System and Method for Parallel Testing of Electronic Device - Circuits and methods for testing voltage monitor circuits are provided. In one embodiment, a method includes setting voltage monitor circuits to test mode; setting, a monitor reference in each voltage monitor circuit, to a respective targeted threshold voltage using a corresponding trim code; ramping, a voltage provided to a subset of voltage monitor circuits, from a first voltage to a second voltage using a test voltage supply, voltages between the first voltage and the second voltage corresponding with targeted threshold voltages of the subset of voltage monitor circuits; determining, for each voltage monitor circuit in the subset of voltage monitor circuits, a voltage value of the test voltage supply resulting in a change in a logic state at an output of a corresponding voltage monitor circuit. | 2021-01-14 |
20210011081 | CIRCUIT ARRANGEMENT COMPRISING A MICROPROCESSOR AND A VOLTAGE GENERATING CIRCUIT - A circuit arrangement includes a microcontroller having a first analog-to-digital converter whose input is connected to the output of a first multiplexer whose output is connected to a first comparison device for comparing reference voltages, and a first serial interface circuit connected to the first comparison device. A voltage generating circuit includes a second analog-to-digital converter whose input is connected to the output of a second multiplexer whose output is connected to a number of registers, which are connected to a safety value generator and store digital values together with a respective safety value, and a second serial interface circuit connected to the registers. The first and second serial interface circuits are connected to each other for communication of the microcontroller with the voltage generating circuit, the first interface circuit being connected to a second comparison device for comparing supply voltages and/or currents with desired voltages and/or desired currents. | 2021-01-14 |
20210011082 | SYSTEMS FOR PROBING SUPERCONDUCTING CIRCUITS INCLUDING THE USE OF A NON-MAGNETIC CRYOGENIC HEATER - Systems for probing superconducting circuits, including using a non-magnetic cryogenic heater, are disclosed. A system including a circuit board having a socket and a heater, mounted on the socket, is provided. The heater includes a resistive element and an arrangement for connection with wires configured to supply a current to the resistive element, where the heater is non-magnetic. The system further includes an integrated circuit package, mounted on the socket, such that the heater is located between the socket and the package, where the integrated circuit comprises superconducting circuits having a first temperature corresponding to a superconducting transition temperature. The heater is configured to raise a temperature associated with the integrated circuit from a second temperature to the first temperature, where the second temperature is lower than the first temperature, and where each of the first temperature and the second temperature is a cryogenic temperature. | 2021-01-14 |
20210011083 | POWER CIRCUIT AND TESTING DEVICE - A power circuit and a testing device are provided. A first voltage output circuit of the power circuit provides normal working voltage to electronic device, and a second voltage output circuit provides aging voltage to electronic device. The aging voltage is greater than the normal working voltage, and a controller stores a preset failure rate curve of an electronic device and controls switching of output voltages of the first voltage output circuit and the second voltage output circuit according to the preset failure rate curve. | 2021-01-14 |
20210011084 | AUTO-CALIBRATION CIRCUIT FOR PULSE GENERATING CIRCUIT USED IN RESONATING CIRCUITS - Disclosed is an auto-calibration circuit and method to generate the precise pulses that are required for energy savings achieved by using wide-band resonating cells for digital circuits. The calibration circuit performs a calibration technique by programming the number of PMOS devices and NMOS devices in parallel to an inverter, and these numbers are dynamically changed based on a target reference voltage that is defined by a resistance ratio or any PVT-independent reference voltages could also be set as a target voltage level. | 2021-01-14 |
20210011085 | Switch Control Apparatus and Method - A switch control apparatus and method to diagnose whether a plurality of switches are controllable and effectively control the plurality of switches. According to an aspect of the present disclosure, it is possible to effectively maintain the states of the switches through a plurality of processors. | 2021-01-14 |
20210011086 | POWER UNIT TEST SYSTEM AND METHOD - A system for testing a aerosol delivery device includes a test fixture configured to couple to a power unit for an aerosol delivery device and a vacuum source configured to fluidly couple to the power unit. The vacuum source induces a vacuum within the power unit. A power storage device is configured to electrically couple to the power unit, the power storage device configured to store power provided by the power unit. A power measurement device is electrically coupled to the power storage device, and the power measurement device is configured to measure the power stored in the power storage device. | 2021-01-14 |
20210011087 | POWER STORAGE DEVICE INSPECTING METHOD AND POWER STORAGE DEVICE MANUFACTURING METHOD - A power storage device inspecting method of inspecting a power storage device for an internal short circuit includes: detecting an external resistance Re which is generated in an external circuit in a state in which probes of an external power supply are connected to external terminals of the power storage device; applying an initial output voltage VS( | 2021-01-14 |
20210011088 | DETECTION DEVICE - A sensor unit includes a current sensor that detects a current, a voltage sensor that detects a voltage, a ground fault sensor that detects a ground fault, and a common substrate on which the current sensor, the voltage sensor, and the ground fault sensor are mounted. In the sensor unit, for example, in a power supply circuit of a vehicle, the three sensors of the high voltage system can be integrated on the common substrate, so that an increase in the number of parts can be suppressed. | 2021-01-14 |
20210011089 | APPARATUS AND METHOD FOR DIAGNOSING BATTERY - The present invention relates to an apparatus and a method for diagnosing a battery, and comprises: a power conversion unit for discharging and charging a battery; and a control unit for controlling the power conversion unit to discharge and charge the battery, and diagnosing power fade of the battery by calculating a maximum discharge output and a maximum charge output of the battery on the basis of a voltage and a current of the battery measured during discharging and charging of the battery. | 2021-01-14 |
20210011090 | POWER SEMICONDUCTOR MODULE AND LEAKAGE CURRENT TEST METHOD FOR THE SAME - A power semiconductor module including at least first and second power semiconductor elements, includes a first terminal, a first gate terminal, a second terminal, a second gate terminal, a third terminal and a common terminal. The first terminal connected to a first electrode of the first power semiconductor element. The first gate terminal connected to a gate of the first power semiconductor element. The second terminal connected to a first electrode of the second power semiconductor element. The second gate terminal connected to a gate of the second power semiconductor element. The third terminal connected to a second electrode of the first power semiconductor element and a second electrode of the second power semiconductor element. The common terminal that is connected to the first gate terminal through a first resistor and is connected to the second gate terminal through a second resistor. | 2021-01-14 |
20210011091 | Test system, transmitting device, and receiving device capable of performing multiple tests in AC coupling mode - A test system includes a transmitter, capacitor, and receiver. The transmitter includes: an output circuit coupled to the receiver via the capacitor; a transmitting circuit transmitting a predetermined signal to a pad of the output circuit during a first test; a signal generator outputting a first signal and second signal to the pad during a first process and second process of a second test; and a comparator comparing the pad's signal with a reference signal in the first process and second process to determine whether the second test passes. The receiver includes: an input circuit coupled to the transmitter via the capacitor; a switch coupled between the input circuit and a receiving circuit to be conducting in the first test and second process and nonconducting in the first process; and the receiving circuit determining whether the first test passes according to the predetermined signal and assisting the capacitor in discharging. | 2021-01-14 |
20210011092 | INSULATION RESISTANCE MEASURING APPARATUS - An insulation resistance measuring apparatus designed to calculate a complex impedance of an ac circuit including a measuring resistor, a coupling capacitor, an insulation resistor installed in a vehicle, and a ground capacitance. The insulation resistance measuring apparatus includes a sine wave current applying device which applies an ac signal to the measuring resistor and measures a voltage change appearing at a junction of the sine wave current applying device and the measuring resistor. The ac signal and the voltage change are used to determine the complex impedance. A resistance value of the insulation resistor is calculated as a function of the complex impedance. This structure enables the circuit to be reduced in size. | 2021-01-14 |
20210011093 | Systems and Methods for Monitoring Transformers and Performing Actions Based on the Monitoring - A transformer monitoring system that has one or more monitoring devices coupled to respective distribution transformers, and the monitoring devices each have a network device. The network devices monitor operational data of their respective distribution transformer and perform a monitoring device action based upon the operational data monitored. Further, the monitoring device transmits operational data and data indicative of the monitoring device action via the network device. The system also has a central computing device communicatively coupled to the one or more monitoring devices via the network devices and there is a processor resident on the central computing device that receives the operational data and the data indicative of the monitoring device action, interprets the received data, and performs an action based upon the operational data and the data indicative of the monitoring device action. | 2021-01-14 |
20210011094 | DETACHABLE ARRANGEMENT FOR ON-SCALP MAGNETOENCEPHALOGRAPHY (MEG) CALIBRATION - A calibration arrangement of a magnetic field measurement device includes at least one attachment point nub configured for attachment to the magnetic field measurement device; mounting arms extending from the at least one attachment point nub; and reference coil loops distributed among the mounting arms. A magnetic field measurement system includes the calibration arrangement and a magnetic field measurement device including a sensor mounting body, magnetic field sensors disposed on or within the sensor mounting body, and at least one primary attachment point formed in or on the sensor mounting body configured to receive the at least one attachment point nub of the calibration arrangement. | 2021-01-14 |
20210011095 | SENSOR DEVICE WITH AUXILIARY STRUCTURE FOR CALIBRATING THE SENSOR DEVICE - A sensor device comprises an electrically conductive chip carrier, wherein the chip carrier comprises an auxiliary structure, wherein the auxiliary structure comprises a first precalibration current terminal and a second precalibration current terminal, a magnetic field sensor chip arranged on a mounting surface of the chip carrier, wherein the magnetic field sensor chip comprises a sensor element, wherein the shape of the auxiliary structure is embodied such that an electrical precalibration current flowing from the first precalibration current terminal to the second precalibration current terminal through the auxiliary structure induces a predefined precalibration magnetic field at the location of the sensor element, wherein during measurement operation of the precalibrated sensor device, no precalibration current flows between the first precalibration current terminal and the second precalibration current terminal. | 2021-01-14 |
20210011096 | Magnetic Field Sensor With Reduced Influence Of External Stray Magnetic Fields - A magnetic field sensor responsive to a movement of a target object can include a plurality of magnetoresistance elements arranged in a line and having a span according to y(1−1/x), where y is equal a full spatial period of the target object and where x is equal to a total quantity of magnetoresistance elements in the plurality of magnetoresistance elements. The plurality of magnetic field sensing elements is operable to generate a signal that is substantially not responsive to the movement of the target object but is responsive to stray external magnetic fields. | 2021-01-14 |
20210011097 | MAGNETIC FIELD SENSOR WITH STRAY FIELD IMMUNITY AND LARGE AIR GAP PERFORMANCE - A system includes a ring magnet having magnetic segments and configured to rotate about an axis of rotation, wherein adjacent segments have different magnetic polarities, The system can further include a substrate positioned so that a top surface of the substrate is substantially parallel to the axis of rotation and a center plane passing through the ring magnet and perpendicular to the axis of rotation of the ring magnet intersects the top surface at an intersection line. The system can further include four magnetic field sensing elements supported by the substrate and electrically coupled to form a first bridge circuit, wherein two of the four magnetic field sensing elements are positioned on one side of the intersection line and the other two of the four magnetic field sensing elements are positioned on the other side of the intersection line. | 2021-01-14 |
20210011098 | METHODS AND APPARATUS FOR OPTICALLY DETECTING MAGNETIC RESONANCE - A magnetometer containing a crystal sensor with solid-state defects senses the magnitude and direction of a magnetic field. The solid-state defects in the crystal sensor absorb microwave and optical energy to transition between several energy states while emitting light intensity indicative of their spin states. The magnetic field alters the spin-state transitions of the solid-state defects by amounts depending on the solid-state defects' orientations with respect to the magnetic field. The optical read out, reporting the spin state of an ensemble of solid-state defects from one particular orientation class, can be used to lock microwave signals to the resonances associated with the spin-state transitions. The frequencies of the locked microwave signals can be used to reconstruct the magnetic field vector. | 2021-01-14 |
20210011099 | MRI RADIO-FREQUENCY HEATING AMELIORATION FOR METALLIC BRAIDED CATHETERS - An embodiment in accordance with the present invention provides a catheter solution that would maintain MRI-compatible metallic braiding or metallic covering on a surface of the catheter, and that also prevents cables disposed in an interior lumen of the catheter from effectively propagating currents induced from external signal transmissions, which could cause a rise in temperature of the cables themselves and of tissues surrounding the catheter. The present invention uses metals which are non-ferromagnetic and not highly paramagnetic, so they do not cause large susceptibility artifacts in the MRI field. The construction of the braid prevents most of the RF fields from penetrating into the anterior of the catheter. Therefore, there is no need or a reduced need to add heat amelioration components to each electrical cable inside the catheter. | 2021-01-14 |
20210011100 | SYSTEMS AND METHODS FOR PULSE SEQUENCE CONFIGURATION IN MAGNETIC RESONANCE IMAGING - The present disclosure directs to a system and method for configuring a pulse sequence in MRI. The method may include obtaining a preliminary gradient pulse configuration, wherein the preliminary gradient pulse configuration relates to a portion of a pulse sequence to be implemented by one or more coils of an MR scanner, the pulse sequence including a plurality of gradient pulses. The method may also include determining a global peripheral nerve stimulation (PNS) value of the preliminary gradient pulse configuration according to a PNS model. The method may further include determining a target gradient pulse configuration based at least in part on the preliminary gradient pulse configuration, the global PNS value, and a PNS threshold. | 2021-01-14 |
20210011101 | METHOD AND SYSTEM FOR ACTUATION OF A GRADIENT COIL - A method for actuating a gradient coil can include the provision of a target value for a manipulated variable, the output of the manipulated variable according to the target value to the gradient coil, the capture of an actual value of the output manipulated variable, the scaling of the captured actual value taking into consideration a scaling characteristic depending on the target value, and the transformation of the actual value captured in a scaled manner into a digital actual value. | 2021-01-14 |
20210011102 | MR IMAGING WITH SPIRAL ACQUISITION - The invention relates to a method of MR imaging of an object ( | 2021-01-14 |
20210011103 | MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD - A magnetic resonance imaging apparatus according to an embodiment includes sequence controlling circuitry and processing circuitry. The sequence controlling circuitry acquires a first piece of data by executing a first pulse sequence having a first Echo Time (TE) value, to acquire a second piece of data by executing a second pulse sequence having a second TE value different from the first TE value, and to acquire a third piece of data by executing a third pulse sequence having a third TE value different from the first and the second TE values. The processing circuitry extracts a signal related to water, a signal related to a first fat, and a signal related to a second fat, on the basis of the first piece of data, the second piece of data, and the third piece of data. | 2021-01-14 |
20210011104 | SYSTEMS AND METHODS FOR MAGNETIC RESONANCE IMAGING - A system is provided in the present disclosure. The system may acquire a first set of echo signals and a second set of echo signals relating to a subject. The first and the second set may be generated by using an MR scanner to execute a first acquisition and a second acquisition on the subject, respectively. The first acquisition may include at least a first repetition and a second repetition with different repetition times. Each of the first and second repetitions may have a first flip angle. The second acquisition may include at least a third repetition and a fourth repetition with different repetition times. Each of the third repetition and the fourth repetition may have a second flip angle different from the first flip angle. The system may also perform a measurement on the subject based on at least one of the first set or the second set. | 2021-01-14 |
20210011105 | METHOD FOR MEASURING MOTION OF AN OBJECT TO BE IMAGED IN A MEDICAL IMAGING METHOD - A method for determining movement of an object to be imaged in a medical imaging method which includes at least one Magnetic Resonance Imaging, wherein the method comprises the following steps determining first coefficients of a mathematical transformation based on first navigator data of the object, wherein the first navigator data are recorded by a magnetic resonance tomograph ( | 2021-01-14 |
20210011106 | EPR APPARATUS EQUIPPED WITH SPECIFIC RS COILS AND CORRESPONDING COIL DEVICES - An electron paramagnetic resonance (EPR) apparatus, such as an EPR spectrometer or an EPR imager, comprising a main field magnet with two opposed pole pieces defining an airgap between them, a microwave resonator coupled with a microwave guide, a sample holder and a current source adapted to be used as a coil driver, also comprises a rapid scan (RS) coil assembly with two opposed RS coil devices. Each coil device comprises: i) a coil support having a plate like body and comprising recesses designed to accommodate the at least one coil winding and at least one cooling chamber volume which is connected to cooling liquid supply channels; and ii) RF shielding comprising an electrically conducting, non-magnetic, shielding plate which is mounted laterally onto the coil support, between the coil winding(s) and a corresponding pole piece of the main field magnet, and contacts said cooling chamber volume. | 2021-01-14 |
20210011107 | RFID ANTENNA ARRAY FOR GAMING - An RFID system includes multiple antennas and uses amplitude and phase information of the RFID signals received by each antenna to determine the position of RFID tags in the vicinity. More than one antenna can receive the RFID signals during a single read cycle, enabling the RFID system to operate more quickly than a system that energizes antennas separately. | 2021-01-14 |
20210011108 | METHOD AND SYSTEM FOR DIRECTION FINDING AND CHANNEL SOUNDING USING PSEUDO-DOPPLER ANTENNA ARRAY - A direction-finding system is disclosed. The receiving system includes a channel sounder using a Pseudo-Doppler Antenna Array (PDAA) configured to locate transmitters and to sound the channel at pre-defined operating frequency. | 2021-01-14 |
20210011109 | METHOD AND APPARATUS FOR DETERMINING THE DIRECTION OF ARRIVAL OF RADIO OR ACOUSTIC SIGNALS, AND FOR TRANSMITTING DIRECTIONAL RADIO OR ACOUSTIC SIGNALS - A directional receiver system may include a receiver, a plurality of receive antenna elements, and a circuit. The receiver may include an input port and an output. The plurality of receive antenna elements may be fixedly configured into a known geometric relationship to each other, and each of the receive antenna elements may be connected to the input port of the receiver. The circuit may be coupled to the output of the receiver, configured to determine time differences at which signals from a source are incident upon the antenna elements, and configured to determine an angular orientation of the source to the receive antenna elements based on the time differences. | 2021-01-14 |
20210011110 | Single Channel Interferometer with Optical Delay Lines - Systems and methods are provided in which a direction of arrival of a radio frequency (RF) signal received by a plurality of antennas is determined. A plurality of first converter receives RF signals from the plurality of antennas and outputs a minimum of a first optical signal and a second optical signal each modulated by their corresponding RF signal. A plurality of second converters receives a minimum of the first optical signal via a first optical channel that introduces a first delay and the second optical signal via a second optical channel that introduces a second delay. The second converter outputs a first RF signal that corresponds to the RF modulation on the first optical signal and a second RF signal that corresponds to the RF modulation on the second optical signal. A switch serially receives, from the second converter outputs, the first RF signal and the second RF signal. A direction finding subsystem determines a direction of arrival using a phase difference between the first RF signal and the second RF signal. | 2021-01-14 |
20210011111 | MOBILE DEVICE LOCATOR - Examples herein involve estimating a first position of a mobile device based on first communication signals, assigning a first set of particles to a number of respective first sampling locations within a threshold distance of the first position, adjusting the assignment of the first set of particles to second sampling locations based on movement of the mobile device, and estimating a second position of the mobile device based on the second sampling locations. | 2021-01-14 |
20210011112 | Geolocationing System and Method for Use of Same - A geolocationing system and method for providing awareness in a multi-space environment, such as a hospitality environment or educational environment, are presented. In one embodiment of the geolocationing system, a vertical and horizontal array of gateway devices is provided. Each gateway device includes a gateway device identification providing an accurately-known fixed location within the multi-space environment. Each gateway device includes a wireless transceiver that receives a beacon signal from a proximate wireless-enabled personal locator device. The gateway devices, in turn, send gateway signals to a server system having a redundant architecture, which determines estimated location of the wireless-enabled personal locator device. | 2021-01-14 |
20210011113 | INDOOR OPTIMIZED OFFLINE RADIO MAP - A method includes obtaining or holding available first radio map information representing a first radio map for a first environment. The method also includes determining, at least partially based on said first radio map information, second radio map information representing a second radio map for a second environment. The second radio map contains or represents a respective radio coverage model for each radio device of a group of radio devices. A portion of the second environment at least partially covers the first environment. A density of radio coverage models contained in or represented by said second radio map in the portion of said second environment and at least partially covering the first environment is higher than a density of radio coverage models contained in or represented by the second radio map in a remaining portion of the second environment. A corresponding apparatus and computer program product are also provided. | 2021-01-14 |
20210011114 | TRACKING SYSTEM WITH MOBILE READER - A tracking system uses a mobile reader or scanner that scans, for example through a barcode reader, a passive tag reader, a probe, input, camera, or an active RF tag communication reader, and records item (asset or inventory) data. After being recorded, this item data and other relevant data is sent by radio transmission to a receiver network in the tracking system. The receiver network has at least two receivers (or at least two receiver antennae). The scanner location data, calculated by comparing the signal information at each receiver antenna receiving the radio transmission, is then used to register and record the location data of the scanned item. | 2021-01-14 |
20210011115 | VEHICLE SENSOR OPERATION - A computer includes a processor and a memory, the memory storing instructions executable by the processor to arrange data collected by a plurality of sequentially arranged emitters in a sensor according to a nonsequential numerical order of the emitters, transmit the nonsequential numerical order to a vehicle computer according to a secure protocol, and transmit the data to the vehicle computer. | 2021-01-14 |
20210011116 | SCALABLE POLARIMETRIC PHASED ARRAY TRANSCEIVER - Polarimetric transceiver front-ends and polarimetric phased array transceivers include two receive paths configured to receive signals from an antenna, each including a respective variable phase shifter. A first transmit path is connected to the variable phase shifter of one of the two receive paths and is configured to send signals to the antenna. A transmit/receive switch is configured to select between the first transmit path and the two receive paths for signals. The transmit/receive switch has an element that adds a high impedance to the transmit path when the transmit/receive switch is in a receiving state. | 2021-01-14 |
20210011117 | FREQUENCY COMPENSATION FOR CLUTTER FILTER BIAS TO RADAR DATA - A method and system for removing ground clutter data from time series radar data are provided. The method comprises receiving the time series radar data, applying a clutter filter to the time series radar data to generate a filtered time series radar data, applying a discrete Fourier transform to the filtered time series radar data to generate a filtered frequency domain data, determining a filter bias for one or more filter biased frequency domain frequencies of the filtered frequency domain data based on a frequency response of the clutter filter, and correcting the filtered frequency domain data by adding the filter bias to the filtered frequency domain data at the one or more filter biased frequency domain frequencies to generate a filtered and bias corrected frequency domain data. | 2021-01-14 |
20210011118 | NOISE MITIGATION IN RADAR SYSTEMS - A noise-mitigated continuous-wave frequency-modulated radar includes, for example, a transmitter for generating a radar signal, a receiver for receiving a reflected radar signal and comprising a mixer for generating a baseband signal in response to the received radar signal and in response to a local oscillator (LO) signal, and a signal shifter coupled to at least one of the transmitter, LO input of the mixer in the receiver and the baseband signal generated by the mixer. The impact of amplitude noise or phase noise associated with interferers, namely, for example, strong reflections from nearby objects, and electromagnetic coupling from transmit antenna to receive antenna, on the detection of other surrounding objects is reduced by configuring the signal shifter in response to an interferer frequency and phase offset. | 2021-01-14 |
20210011119 | GENERATE OVERLAPPING CHIRP TRANSMISSIONS WITH A SINGLE CHIRP GENERATOR - A radar system includes a signal generator to generate a linear frequency modulated continuous wave signal as a base chirp, and one or more frequency shifters to generate respective one or more additional chirps from the base chirp. The radar system also includes two or more switches. One of the two or more switches obtains a portion of the base chirp as a base transmit signal, and remaining ones of the two or more switches respectively obtain a portion of each of the one or more additional chirps as one or more additional transmit signals for transmission by the radar system. At least a portion of the base transmit signal and the one or more additional transmit signals overlaps in time. | 2021-01-14 |
20210011120 | NARROWBAND ANTIJAM SIGNALING SYSTEM (NASS) AND DEVICE - A narrowband AJ signaling system includes an AJ processor placed between a high precision analog-to-digital (ADC) converter and a narrowband digital receiver. In another example, the AJ processor is placed between the high precision ADC and a digital-to-analog converter (DAC). The AJ processor of either example may suppress the jammer power down to the level of the noise floor of the system. | 2021-01-14 |
20210011121 | METHODS AND APPARATUS TO REALIZE SCALABLE ANTENNA ARRAYS WITH LARGE APERTURE - Methods and apparatus, including computer program products, are provided for synchronization. In some example embodiments, there may be provided a method. The method may receiving, at a processor, cross module information, the cross module information including target profile information obtained from radar returns received at first radar module and transmitted by a second radar module; and determining, at the processor, a frequency correction, a time correction, and/or a phase correction, the determining based at least on the received cross module information. Related systems, methods, and articles of manufacture are also described. | 2021-01-14 |
20210011122 | WORK MACHINE CONTROL SYSTEM, WORK MACHINE, AND WORK MACHINE CONTROL METHOD - A work machine control method includes: acquiring a detection position of a landmark detected by a non-contact sensor provided in a work machine in traveling of the work machine traveling on a traveling path; calculating a first relative distance between the non-contact sensor and the landmark on a basis of the detection position of the landmark; calculating a second relative distance between the non-contact sensor and the landmark on a basis of a registration position of the landmark; calculating a correction value relating to a relative distance between the non-contact sensor and the landmark on a basis of the first relative distance and the second relative distance; correcting the first relative distance on a basis of the correction value to calculate a corrected relative distance between the non-contact sensor and the landmark; and controlling a traveling state of the work machine on a basis of the corrected relative distance. | 2021-01-14 |
20210011123 | RADAR SYSTEM AND METHOD FOR IDENTIFYING MULTIPLE TARGETS IN A BEAM RESPONSE SPECTRUM - A radar system may include a transmitter, a receiver, and a controller. The controller may calculate a received beam response spectrum based on the received reflected radar signal, detect a first maximum value of the received beam response spectrum, identify an angle corresponding to the first maximum value as a first target angle, obtain a threshold envelope based on the first maximum value and the first target angle, detect a second maximum value in a portion of the received beam response spectrum being greater than the threshold envelope, identify an angle corresponding to the second maximum value as a second target angle, and output the first target angle as the angle of arrival of the reflected radar signal from the first target and the second target angle as the angle of arrival of the reflected radar signal from the second target. | 2021-01-14 |
20210011124 | METHODS AND SYSTEMS FOR CLASSIFYING RECEIVED SIGNALS FROM RADAR SYSTEM - A system for classifying received signals from a radar system into noise or a detection includes a source of a radar energy map and a memory that stores an integral image data structure for computing an integral image. The system includes a processor in communication with the source and the memory programmed to: generate an initial image including initial cells each having an energy value based on the radar energy map; compute the integral image based on the initial image; determine a coordinate location of an initial cell; determine coordinate locations of indices associated with corners of a neighborhood surrounding the initial cell; determine an energy sum of the neighborhood based on the indices and a value of respective cells from the integral image; determine an estimated noise associated with the initial cell based on the energy sum; and determine whether the initial cell indicates the detection of an object. | 2021-01-14 |
20210011125 | METHOD AND APPARATUS FOR OBJECT DETECTION SYSTEM - The disclosed systems, structures, and methods are directed to an object detection system, employing a receiver configured to receive a signal reflected from an object, an analog-to-digital converter (ADC) configured to convert the received signal into a digital signal, a pre-processor configured to improve a signal-to-noise (SNR) of the digital signal and to generate a pre-processed signal corresponding to the digital signal, a parameter extractor configured to calculate a number of reference cells M and a multiplication factor K | 2021-01-14 |
20210011126 | METHOD OF HUMAN BODY RECOGNITION AND HUMAN BODY RECOGNITION SENSOR - The invention relates to a method of human body recognition by analysing a detected object (P) in a monitored area and deciding whether or not the detected object is a human being with a laser scanner ( | 2021-01-14 |
20210011127 | OPTICAL APPARATUS, ON-BOARD SYSTEM, AND MOVING APPARATUS - An optical apparatus includes a deflector configured to deflect illumination light from a light source unit to scan an object and to deflect reflected light from the object, and a controller configured to control the deflector. A first divergence angle of the illumination light in a first cross section is larger than a second divergence angle in a second cross section orthogonal to the first section. The controller controls the deflector so that the illumination light moves in the first cross section at a first speed and moves in the second cross section at a second speed higher than the first speed. | 2021-01-14 |
20210011128 | LASER RADAR SYSTEM - A laser radar system includes: a light-emitting unit including a light source, and a scanning unit configured to reflect light from the light source with a controllable deflection angle, so as to scan a target object; a light-receiving unit configured to receive light reflected from the target object and outputting a detection value, wherein a light path by which light emitted from the light-emitting unit arrives at the target object is non-coaxial with a light path by which the light reflected from the target object arrives at the light-receiving unit. The laser radar system can reduce a problem where a single photon avalanche diode (SPAD) detector cannot eliminate a dark count, precisely measure distance information of a surrounding three-dimensional spatial environment, and substantially suppress influence of background light and other stray light, thereby realizing quick and efficient modulation of spatial light. | 2021-01-14 |
20210011129 | Method for Operating a Sensor Arrangement Having at least Two LIDAR Sensors and Sensor Arrangement - The disclosure relates to a method for operating a sensor arrangement including a first LIDAR and at least a second LIDAR sensor, wherein the first LIDAR sensor and the second LIDAR sensor(s) each repeatedly carry out measurements, wherein the measurements of the first and the second LIDAR sensors are carried out in respective first and second measuring time windows, at the beginning of which respective measurement beams are emitted by the first and the second LIDAR sensors and a check is made as to whether at least one reflected beam portion of the respective measurement beams is detected within the respective measuring first or second time windows. | 2021-01-14 |
20210011130 | DISTANCE INFORMATION ACQUISITION DEVICE, MULTIPATH DETECTION DEVICE, AND MULTIPATH DETECTION METHOD - A distance information acquisition device includes: a light emitter which emits light according to an emission pulse indicating emission; a solid-state imaging element which performs exposure according to an exposure pulse indicating exposure; an emission/exposure controller which generates a timing signal indicating a plurality of pairs of the emission pulse and the exposure pulse having a time difference that is different in each of the plurality of pairs; and a multipath detector which obtains a sequence of received light signals from the solid-state imaging element by the emission and the exposure that correspond to each of the plurality of pairs, compares the obtained sequence of received light signals and reference data created in advance as a model of a sequence of received light signals in a multipath-free environment, and determines the presence or absence of multipath according to a difference in a comparison result. | 2021-01-14 |
20210011131 | LIDAR SENSOR APPARATUS AND CONTROL METHOD THEREOF - A LIDAR sensor apparatus and a control method thereof. The LIDAR sensor apparatus includes a transmitter configured to transmit a laser, first and second receivers each configured to receive a reflected signal reflected from an object after the laser is transmitted through the transmitter, a control unit configured to calculate first and second distances by performing signal processing on first and second signals received from the first and second receivers after the laser is transmitted through the transmitter, and to calculate an intermediate distance by performing signal processing on an overlapping signal obtained by overlapping the first and second signals, and an output unit configured to output the first and second distances and the intermediate distance calculated by the control unit. | 2021-01-14 |
20210011132 | Arrayed MEMS Mirrors for Large Aperture Applications - A light detection and ranging system includes multiple scanning mirror assemblies to increase a receive aperture. The multiple scanning mirror assemblies are controlled to mimic the operation of one large scanning mirror. The multiple scanning mirror assemblies may be arranged in one-dimensional arrays or two-dimensional arrays. Two arrays of scanning mirror assemblies provide for scanning in two dimensions. | 2021-01-14 |
20210011133 | Variable Phase Scanning Lidar System - A light detection and ranging system includes synchronously scanning transmit and receive mirrors that scan a pulsed fanned laser beam in two dimensions. Imaging optics image a receive aperture onto an arrayed receiver that includes a plurality of light sensitive devices. A phase offset may be injected into a scanning trajectory to mitigate effects of interfering light sources. | 2021-01-14 |
20210011134 | CONTROLLING AN OSCILLATING SYSTEM - A system includes a power driver, configured to generate an electric excitation; an oscillating system, configured to perform an oscillation induced by the electric excitation; a feedback detector, configured to detect a feedback measurement signal with to the oscillation; and a controller configured to operate: in a closed loop mode, to control the power driver to generate the electric excitation as a discontinuous electric excitation according to timing information obtained from the detected feedback measurement signal, to synchronize the discontinuous electric excitation with the detected feedback measurement signal; in a learning mode preceding the closed loop mode, to control the power driver to generate the electric excitation as a continuous electric excitation, to obtain timing information from the feedback measurement signal to be used, at least once, in the subsequent closed loop mode, to synchronize the discontinuous electric excitation with the detected feedback measurement signal. | 2021-01-14 |
20210011135 | METHOD FOR DETECTION OF LASER REFLECTORS FOR MOBILE ROBOT LOCALIZATION AND APPARATUS FOR THE SAME - Disclosed herein is a method for detecting laser reflectors for mobile robot localization. The method includes collecting scan information data corresponding to positions of surrounding objects using a laser scanner mounted on a mobile robot; generating a reflector cluster based on reflection intensities of the scan information data; classifying the reflector cluster into individual reflector clusters, each of the individual reflector clusters corresponding to each of the laser reflectors; determining whether each of the individual reflector clusters is a valid individual reflector cluster corresponding to an actual individual laser reflector or not based on geometric filtering on die each of the individual reflector clusters; and calculating position of the actual individual laser reflector based on at least one of the scan information data corresponding to the valid individual reflector cluster. | 2021-01-14 |
20210011136 | LIDAR SYSTEM AND METHOD - A Lidar system may comprise a rotor and a stator. The rotor is configured to rotate with respect to the stator. The rotor comprises at least one supporting body and a plurality of light sources disposed on the at least one supporting body, the plurality of light sources configured to emit a plurality of first light beams. The plurality of light beams are non-uniformly distributed along a vertical direction in a vertical field of view of the Lidar system. | 2021-01-14 |
20210011137 | DEVICE FOR DETECTING A FOREST STAND - Aspects of the present disclosure are directed to a device and to an associated method for detecting a forest stand. In one embodiment, a device for detecting a forest stand is disclosed including a base having a first laser scanner with a first viewing point provided for a measurement. The viewing point is the point at which the laser scanner is arranged for measurement. At least one second viewing point for measurement is provided, and that either the first laser scanner is movable between the first viewing point and the at least one second viewing point, or at least one second laser scanner is arranged in the at least one second viewing point for measurement, and the first laser scanner is arranged in the first viewing point. | 2021-01-14 |
20210011138 | DISTRIBUTED LASER RADAR - A distributed LiDAR comprises: an optical transceiver assembly, multiple distributed scanning units, and a distributed optical fiber connector assembly. The optical transceiver assembly includes: a light source emitting detection light, and a light receiving unit used for receiving a detection echo. The multiple distributed scanning units are distributed on the carrier of the distributed LiDAR. The distributed optical fiber connector assembly is in coupled connection with the optical transceiver assembly and the multiple distributed scanning units. The detection light emitted by the light source in the optical transceiver assembly is synchronously transmitted by the distributed optical fiber connector assembly to the multiple distributed scanning units. The multiple distributed scanning units emit the detection light to a detected area with a scanning device, and receive a reflected echo from the detected area. The reflected echo is transmitted to the optical transceiver assembly by the distributed optical fiber connector assembly. | 2021-01-14 |
20210011139 | LIGHT DETECTION DEVICE, LIGHT DETECTION METHOD AND OPTICAL DISTANCE SENSOR - A light detection device detects incident light according to a detection start timing. The light detection device includes photosensors, a signal combining circuit, a detection circuit, a time measurement circuit, and a timing extraction circuit. The photosensors receive light to generate output signals indicating light reception results, respectively. The signal combining circuit sums output signals from the respective photosensors to generate a combined signal. The detection circuit detects a timing at which the combined signal reaches a first threshold or larger to generate a detection signal. The time measurement circuit measures a count period between the detection start timing and the detected timing based on the detection signal. The timing extraction circuit extracts timing information from a predetermined period defined by the detected timing as a reference, the timing information indicating a timing at which the combined signal increases. | 2021-01-14 |
20210011140 | LIGHT DETECTION DEVICE, LIGHT DETECTION METHOD AND OPTICAL DISTANCE SENSOR - A light detection device detects incident light according to a detection start timing. The light detection device includes a plurality of photosensors, a signal combining circuit, a detection circuit, and at least one time measurement circuit. The plurality of photosensors receive light to generate output signals indicating light reception results, respectively. The signal combining circuit sums a plurality of output signals from the respective photosensors to generate a combined signal. The detection circuit detects a timing, at which the combined signal is maximized after the detection start timing, to generate a detection signal indicating the detected timing. The time measurement circuit measures a count period between the detection start timing and the detected timing based on the detection signal. | 2021-01-14 |
20210011141 | LASER RADAR DEVICE - In a conventional laser radar device, there has been a problem that since a distance resolution is changed in advance depending on a measurement distance, it is necessary to perform measurement again after changing the distance resolution. A laser radar device of the present invention includes: an optical oscillator oscillating laser light; an optical modulator modulating the laser light oscillated by the optical oscillator; an optical antenna radiating the laser light modulated by the optical modulator to an atmosphere, and receiving scattered light from a radiation target as received light; an optical receiver performing heterodyne detection on the received light received by the optical antenna; and a signal processor calculating for a range bin a spectrum of a received signal obtained by the heterodyne detection by the optical receiver, calculating a signal to noise ratio of the range bin, and integrating the spectrum of the range bin and spectra of one or more range bins adjacent to the range bin when the signal to noise ratio is less than or equal to a threshold value. | 2021-01-14 |
20210011142 | METHOD FOR CALIBRATING AN ACOUSTIC ANTENNA - A method for calibrating an acoustic antenna ( | 2021-01-14 |
20210011143 | DISTANCE MEASUREMENT SYSTEM - A distance measurement system includes communication units arranged in a communication subject. The communication units form different radio wave transmission paths in accordance with a location of a communication device, and are configured such that when one of the radio wave transmission paths is blocked, communication with the communication device is enabled by another one of the radio wave transmission paths. The distance measurement system further includes a distance measurement unit that measures the distance between the communication device and the communication subject using one of the radio wave transmission paths by performing distance measurement communication that transfers a distance measurement signal between the communication units and the communication device. | 2021-01-14 |
20210011144 | BISTATIC RADAR SYSTEM FOR MOTOR VEHICLE APPLICATIONS - An improved bistatic radar detection system useful for detecting an imminent collision between a vehicle and a tracked object includes at least one radar module having both receiver circuitry and transmitter circuitry to allow a processor to dynamically select operations of the module as either a transmitter or a receiver of a bistatic radar set. | 2021-01-14 |
20210011145 | Detection System and Method - A detection system includes a radar-unit and a controller-circuit. The radar-unit is configured to detect objects proximate a host-vehicle. The controller-circuit is in communication with the radar-unit and is configured to determine a detection-distribution based on the radar-unit. The detection-distribution is characterized by a longitudinal-distribution of zero-range-rate detections associated with a trailer towed by the host-vehicle. The controller-circuit is further configured to determine a trailer-classification based on a comparison of the detection-distribution and longitudinal-distribution-models stored in the controller-circuit. The trailer-classification is indicative of a dimension of the trailer. The controller-circuit determines a trailer-length of the trailer based on the detection-distribution and the trailer-classification. | 2021-01-14 |
20210011146 | OBJECT POSITION AND MOVEMENT ESTIMATION USING RADAR - A system for estimating a range and a velocity of an object includes a processing device configured to perform, for each return pulse of a return signal including reflections of a radar signal, applying a first Fourier transform to the return pulse to transform the return pulse into a range spectrum and calculate a range intensity value for each of a plurality of range hypotheses, calculating a range variation for each of a plurality of hypothesized Doppler frequency values, and for each hypothesized Doppler frequency value, applying a second Fourier transform to the series of return pulses based on the range intensity values and the range variation. The processing device is further configured to perform outputting range and Doppler frequency data including a range-Doppler intensity value for each range hypothesis and hypothesized Doppler frequency, and estimating a range and a velocity of the object based on the range-Doppler intensity values. | 2021-01-14 |
20210011147 | TARGET DETECTION AND TRACKING FOR FEATURE EXTRACTION - Methods and electronic devices for target detection and tracking operations are provided. A method of operating an electronic device includes identifying, based on signals received through a radar transceiver of the electronic device, a peak of the received signals in a current time slot, determining whether the peak in the current time slot corresponds to a tracked target based on comparing a location of the peak in the current time slot with a location of a peak corresponding to the tracked target in a previous time slot as a function of a movement speed threshold, and in response to a determination that the peak in the current time slot corresponds to the tracked target, updating tracking information for the tracked target associated with the peak in the current time slot. | 2021-01-14 |
20210011148 | APPARATUS AND METHOD FOR MONITORING OBJECTS IN SPACE - A system for detecting objects in space comprises an array of satellite nodes. The array of satellite nodes comprise at least one transmitter module for transmitting an electromagnetic signal, and a plurality of receiver modules for receiving diffractions from electromagnetic waves scattered from objects in space. The system comprises a control module for focussing the plurality of receiver modules to receive diffractions from a focussed virtual aperture in space. | 2021-01-14 |
20210011149 | InSAR and GNSS weighting method for three-dimensional surface deformation estimation - An InSAR and GNSS weighting method for three-dimensional surface deformation estimation includes steps of: Step 1: establishing a functional relationship between three-dimensional deformation d | 2021-01-14 |
20210011150 | AUTOMATED DRIVING SYSTEMS AND CONTROL LOGIC FOR HOST VEHICLE VELOCITY ESTIMATION USING WIDE APERTURE RADAR - Presented are target object detection systems for deriving host vehicle velocities, methods for making/using such systems, and motor vehicles with host vehicle velocity estimation capabilities. A method of automating operation of vehicles includes an electronic transmitter of a vehicle's target object detection system emitting electromagnetic signals, and an electronic receiver receiving multiple reflection echoes caused by each electromagnetic signal reflecting off target objects within proximity of the vehicle. A vehicle controller determines a relative velocity vector for each target object based on these reflection echoes. The relative velocity vectors are assigned to discrete vector clusters. The controller estimates a host vehicle velocity vector as an average of the relative velocity vectors in the vector cluster containing the most relative velocity vectors and having the largest spatial spread. The controller commands one or more vehicle systems to execute one or more control operations responsive to the host vehicle velocity vector. | 2021-01-14 |
20210011151 | RADAR RANGE AMBIGUITY RESOLUTION USING MULTI-RATE SAMPLING - A radar circuit for use with a vehicle or other host system includes a radio frequency (RF) signal generator, an RF antenna connected to the signal generator configured to transmit an RF waveform toward a radar target and receive a radar return signature reflected therefrom, and an analog-to-digital converter (ADC) in communication with the antenna and having a different sampling frequencies. The ADC may have multiple channels outputting sampled radar return signature data at the different sampling frequencies. An ECU is in communication with the ADC to receive the sampled radar return signature data from the ADC, generate a set of range hypotheses describing a possible range from the host system to the radar target, select a correct range hypothesis, and execute a control action using the correct range hypothesis. The correct range hypothesis corresponds to a true range to the radar target. | 2021-01-14 |
20210011152 | ULTRASONIC RANGING METHOD AND APPARATUS AND ROBOT USING THE SAME - The present disclosure discloses an ultrasonic ranging method as well as an apparatus, and a robot using the same. The method includes: obtaining ultrasonic ranging data detected by a preset ultrasonic sensor; filtering the ultrasonic ranging data to obtain the filtered ultrasonic ranging data; determining whether a measured distance of a target sampling point meets a preset stability determination condition, where the target sampling point is any sampling point in the filtered ultrasonic ranging data; and recording and outputting the measured distance of the target sampling point, if the measured distance of the target sampling point meets the stability determination condition. According to the present disclosure, after the ultrasonic ranging data is filtered, the measured distance of each sampling point in the ultrasonic ranging data is further determined through the preset stability determination condition, which greatly reduces the probability of the occurrence of false alarms. | 2021-01-14 |
20210011153 | ULTRASOUND-TARGET-SHAPE-GUIDED SPARSE REGULARIZATION TO IMPROVE ACCURACY OF DIFFUSED OPTICAL TOMOGRAPHY AND TARGET DEPTH-REGULARIZED RECONSTRUCTION IN DIFFUSE OPTICAL TOMOGRAPHY USING ULTRASOUND SEGMENTATION AS PRIOR INFORMATION - A diffuse optical tomography (DOT) system for generating a functional image of a lesion region of a subject is described. The DOT system includes a source subsystem configured to generate optical waves, a probe coupled to the source subsystem and configured to emit the optical waves generated by the source subsystem toward the lesion region and to detect optical waves reflected by the lesion region, a detection subsystem configured to convert the optical waves detected by the probe to digital signals, and a computing device including a processor and a memory. The memory includes instructions that program the processor to receive the digital signals sent from the detection subsystem and perform reconstruction using a depth-regularized reconstruction algorithm combined with a semi-automated interactive convolutional neural network (CNN) for depth-dependent reconstruction of absorption distribution. | 2021-01-14 |
20210011154 | SYSTEMS AND METHODS FOR MACHINE PERCEPTION - A system to determine a position of one or more objects includes a transmitter to emit a beam of photons to sequentially illuminate regions of one or more objects; multiple cameras that are spaced-apart with each camera having an array of pixels to detect photons; and one or more processor devices that execute stored instructions to perform actions of a method, including: directing the transmitter to sequentially illuminate regions of one or more objects with the beam of photons; for each of the regions, receiving, from the cameras, an array position of each pixel that detected photons of the beam reflected or scattered by the region of the one or more objects; and, for each of the regions detected by the cameras, determining a position of the regions using the received array positions of the pixels that detected the photons of the beam reflected or scattered by that region. | 2021-01-14 |
20210011155 | MEASUREMENT APPARATUS AND MEASUREMENT METHOD - A measurement apparatus includes a laser apparatus, a branching part that branches a frequency-modulated laser beam output by the laser apparatus into a reference light and a measurement light; a beat signal generation part that generates a beat signal by mixing a reflected light and the reference light, a conversion part that converts the beat signal into a digital signal at a first sampling rate and frequency-analyses it, an extraction part that extracts a signal component corresponding to a cavity frequency from the frequency-modulated laser beam, a digital filter that digitally filters the extracted signal component at a second sampling rate; and a calculation part that calculates a difference in a propagation distance between the reference light and the measurement light. | 2021-01-14 |
20210011156 | ORTHOGONAL CHIRPS FOR RADAR, RELATIVE NAVIGATION AND RANGING, LIGHT DETECTION AND RANGING, AND COMMUNICATIONS FUNGIBILITY - A multi-user system to simultaneously perform operations such as communication, RADAR, Light Detection and Ranging (LIDAR) and Relative Navigation (RELNAV). The techniques according to an embodiment includes generating a Fourier based orthogonal chirp sequence of length P, a prime number greater than the number of users targeted for communication. The orthogonal chirp sequence is based on an identifier, in the range of one to P−1, associated with one of the targeted users. The method further includes using the orthogonal chirp sequence to generate a spread user signal based on a message directed to the one targeted users. The method further includes generating a sequence of training pulses for insertion into the spread user signal to facilitate reception of the signal. The method further includes transmitting and receiving a reflection of the spread user signal from one of the targeted users, the reflection used to detect and range the user. | 2021-01-14 |
20210011157 | OPTICAL DISTANCE MEASUREMENT DEVICE AND MACHINING DEVICE - The optical distance measurement device is configured to include an optical interference unit for separating the reflected light into a reflected light of a first polarized wave and a reflected light of a second polarized wave, extracting first and second components orthogonal to each other from an interference light of the reflected light of the first polarized wave and the reference light, and extracting third and fourth components orthogonal to each other from an interference light of the reflected light of the second polarized wave and the reference light, and a polarization rotation unit for acquiring one or more components of horizontal and vertical components of a polarized wave by rotating a polarization angle of a first complex signal having the first and second components and a polarization angle of a second complex signal having the third and fourth components, so that a distance calculation unit calculates, on the basis of the components acquired by the polarization rotation unit, a difference between a frequency of the reflected light and a frequency of the reference light, and calculates a distance to a measurement target from the difference. | 2021-01-14 |
20210011158 | METHOD OF REMOTELY CONTROLLING A LASER TRACKER USING A MOBILE COMPUTING DEVICE - A laser tracker system and method of operating the laser tracker system is provided. The method includes providing a mobile computing device coupled for communication to a computer network. Identifying with the mobile computing device at least one laser tracker device on the computer network, the at least one laser tracker device including a first laser tracker device. The mobile computing device is connected to the first laser tracker device to transmit signals therebetween via the computer network in response to a first input from a user. One or more control functions are performed on the first laser tracker device in response to one or more second inputs from the user, wherein at least one of the one or more control functions includes selecting with the mobile computing device a retroreflective target and locking the first light beam on the retroreflective target. | 2021-01-14 |
20210011159 | Apparatus, System and Method for Infrastructure Monitoring - A method of monitoring relative displacement between two structures using a distance measuring device is provided. The method includes transmitting, using at least one photo-emitter of the distance measuring device, a measurement signal; measuring, using a photo-sensor of the distance measuring device, a time-of-flight of the measurement signal, the time-of-flight being indicative of a distance between the distance measuring device and a component of a first structure, the distance measuring device being attached to a second structure, and the second structure being displaceable relative to the first structure; and transmitting, from a distance measuring device data transmitter to a remote resource using wireless communication, data relating to the displacement of the first structure relative to the second structure. | 2021-01-14 |
20210011160 | SENSOR FOR CONTROLLING AN AUTOMATIC DOOR - The invention relates to a Sensor ( | 2021-01-14 |
20210011161 | Laser Waveform Embedding - A system includes a light detection and ranging device configured to generate, for each respective point of a plurality of points in an environment, a corresponding waveform that represents physical characteristics of the respective point. The system also includes a signal processor configured to determine, based on the corresponding waveform of each respective point, a map of the environment that includes a representation of a corresponding position of the respective point. The system additionally includes an embedding model configured to determine, for each respective point and based on the corresponding waveform, a corresponding vector comprising a plurality of values representative of the physical characteristics of the respective point. The system further includes a feature detector configured to detect or classify a physical feature based on (i) the corresponding positions of one or more points of the plurality of points and (ii) the corresponding vectors of the one or more points. | 2021-01-14 |
20210011162 | Polarization Filtering in LiDAR System - A light detection and ranging (LiDAR) system includes a light emitter and a light detector comprising a photodetector. The light detector is configured to receive and detect one or more characteristics of light emitted by the light emitter. The system also includes a polarization filter that is configured to limit polarization of light that is received by the light detector to a single polarization, and thus filter noise and/or certain retroreflected light from reaching the light detector. | 2021-01-14 |
20210011163 | POINT CLOUD FORMAT OPTIMIZED FOR LIDAR DATA STORAGE BASED ON DEVICE PROPERTY - In one embodiment, an exemplary computer-implemented method of storing point cloud data in an autonomous driving vehicle can include the operations of receiving raw point cloud data from a LiDAR sensor mounted on the autonomous driving vehicle, the raw point cloud data representing cloud data points acquired in response to laser beams emitted at a given angle; retrieving configuration information of the LiDAR sensor, the configuration information including at least a number of laser lines of the LiDAR sensor. The method further includes the operations of constructing, based on the configuration information, a data structure that includes a data entry for each of the cloud data points, the data entry including multiple fields for storing attributes of the cloud data point, each field having a bit width determined based on the configuration information using a predetermined algorithm; and writing the cloud data points to a storage medium using the data structure. | 2021-01-14 |
20210011164 | MOBILE LIDAR PLATFORMS FOR VEHICLE TRACKING - Mobile LiDAR platforms for vehicle tracking are provided. In various embodiments, a time-series of point clouds is received from a LiDAR sensor. Each point cloud of the time series of point clouds is projected onto a plane. The projected point clouds are provided to a convolutional neural network. At least one bounding box of a vehicle within each of the projected point clouds is received from the convolutional neural network. A relative speed of the vehicle is determined from the bounding boxes with the projected point clouds. A reference speed of the LiDAR sensor is determined from the GPS receiver. From the relative speed and the reference speed, an absolute speed of the vehicle is determined. | 2021-01-14 |
20210011165 | IMAGE SENSOR PROCESSING USING A COMBINED IMAGE AND RANGE MEASUREMENT SYSTEM - In one embodiment, an apparatus includes a transmitter operable to transmit a first light beam from a light source. The apparatus also includes a receiver operable to receive a plurality of return light beams and direct the plurality of return light beams through a first beam splitter to an imaging sensor and a LiDAR sensor. The imaging sensor may be operable to process a first portion of the return light beams into image profile data, and the LiDAR sensor may be operable to process a second portion of the return light beams into depth profile data. In addition, the first and second portions of the return light beams may be received from a shared field of view. | 2021-01-14 |
20210011166 | SYSTEM, APPARATUS, AND METHOD FOR IMPROVING PERFORMANCE OF IMAGING LIDAR SYSTEMS - A system for three-dimensional range mapping of an object or objects is provided, the system comprising: a Light Detection and Ranging (LIDAR) system, the LIDAR system including an array of light beam emitters, at least one detector element, and a computational unit, the computational unit configured to: instruct the light beam emitters to simultaneously emit emitted light beams; embed ranging information in the emitted light beams; identify each emitted light beam with a unique orthogonal waveform; auto-correlate the unique orthogonal waveform in each reflected beam received at each detector element with the unique orthogonal waveforms in the emitted light beams to provide emitted and reflected light beam pairs; determine a time of flight for each emitted and reflected light beam pair; and determine a range from the time of flight. | 2021-01-14 |
20210011167 | SOLID-STATE IMAGING DEVICE, SOLID-STATE IMAGING SYSTEM, AND METHOD OF DRIVING THE SOLID-STATE IMAGING DEVICE - Each of column signal lines is connected to two or more of P pixels belonging to one of Q pixel columns of pixels. In each of the pixels, a first switch switches connection and disconnection between a light receiver and a first charge storage. A second switch switches connection and disconnection between the first charge storage and a second charge storage. A third switch switches connection and disconnection between the first charge storage and one of column signal lines corresponding to the pixel. The fourth switch switches the connection and disconnection between the second charge storage and the one of the column signal lines corresponding to the pixel. | 2021-01-14 |
20210011168 | ELECTROMAGNETIC WAVE DETECTION APPARATUS AND INFORMATION ACQUISITION SYSTEM - An electromagnetic wave detection apparatus includes a first image forming unit, a progression unit, a second image forming unit, and a first detector. The first image forming unit forms an image of incident electromagnetic waves. The progression unit includes a plurality of pixels arranged along a reference surface. The progression unit causes electromagnetic waves incident on the reference surface from the first image forming unit to progress in a first direction. The second image forming unit forms an image of electromagnetic waves progressing in the first direction. The first detector detects incident electromagnetic waves from the second image forming unit. An angle formed by a progression axis at each angle of view of electromagnetic waves that have passed the first image forming unit and a principal axis of the first image forming unit is equal to or smaller than a predetermined value. | 2021-01-14 |
20210011169 | IMAGING SYSTEM, PIXEL ARRAY OF IMAGING SYSTEM AND IMAGE SENSOR - An image sensor including a pixel array which includes pixels for sensing a reflected signal, incident on the pixel array to form reflected light spots separated from each other. Each pixel includes a photodetector and a readout circuit. The photodetector is configured to detect the reflected signal and output a photo response signal. The readout circuit is configured to generate a pixel output according to the photo response signal. The pixels include a first pixel and a second pixel adjacent to the first pixel along a first predetermined direction. The readout circuit of the first pixel is adjacent to the photodetector of the second pixel along the first predetermined direction, and adjacent to the photodetector of the first pixel along a second predetermined direction perpendicular to the first predetermined direction. The pixel array has a small pixel pitch and a high fill factor. | 2021-01-14 |
20210011170 | SOLID STATE LIDAR MACHINE VISION FOR POWER EQUIPMENT DEVICE - A machine vision device is provided usable in conjunction with power equipment machines. By way of example, an array of sensors can be deployed to detect proximity of objects to the power equipment machine, and issue an alert in response to detecting an object within a threshold distance. The alert can be utilized by the power equipment machine to take corrective action to mitigate or avoid running over or striking the object. Sensors having respective fields of view can be arranged along an arc to facilitate machine vision of a spatial volume in a proximity of the machine, and ranging determinations can be coupled with low cost processing devices to facilitate a machine vision solution far more cost effective than other technologies in the art. | 2021-01-14 |
20210011171 | MOVING BODY POSITIONING SYSTEM, METHOD, AND PROGRAM - A moving body positioning system of the present invention includes: a GNSS receiver that is included in a moving body and that receives a GNSS signal transmitted from each of one or more satellites and acquires pieces of observation data respectively corresponding to the satellites; an external data acquisition means that acquires external data; a multipath detection means that detects multipath with respect to an observation data group; and a positioning calculation means that performs positioning calculation after a selection of a satellite to be used and a satellite to be excluded on the basis of a result of the multipath detection. | 2021-01-14 |
20210011172 | ROOT MONITORING ON AN FPGA USING SATELLITE ADCS - Systems and methods for monitoring a number of operating conditions of a programmable device are disclosed. In some implementations, the system may include a root monitor including circuitry configured to generate a reference voltage, a plurality of sensors and satellite monitors distributed across the programmable device, and a interconnect system coupled to the root monitor and to each of the plurality of satellite monitors. Each of the satellite monitors may be in a vicinity of and coupled to a corresponding one of the plurality of sensors via a local interconnect. The interconnect system may include one or more analog channels configured to distribute the reference voltage to each of the plurality of satellite monitors, and may include one or more digital channels configured to selectively route digital data from each of the plurality of satellite monitors to the root monitor as data packets. | 2021-01-14 |
20210011173 | REAL-TIME COMMUNICATION BETWEEN SATELLITES AND MOBILE DEVICES - Systems and methods for communicating with one or more satellites to acquire information related to a region on a map that is displayed on a mobile device. A mobile device includes: a communication device for directly communicating data with a satellite; a display for displaying a graphic user interface (GUI) that shows an image of a map; one or more processors; and a non-transitory computer-readable medium comprising one or more sequences of instructions which, when executed by the one or more processors, causes steps to be performed comprising: responsive to a touch on the GUI, sending a request signal for information related to a region on the map directly to the satellite via the communication device; receiving the information related to the region on the map directly from a satellite; and displaying the information on the display. | 2021-01-14 |
20210011174 | Using SDP Relaxation for Optimization of the Satellites Set Chosen for Positioning - A method for determining attitude of an object having multiple GNSS antennas, the method including receiving GNSS signals from at least five satellites, wherein at least 2 of the five belong to a different satellite constellation than the other satellites; processing each of the GNSS signals to generate pseudorange code and carrier phase measurements; resolving carrier phase ambiguities for all the received GNSS signals; generating unbiased carrier phase measurements based on the resolving; determining the attitude, including heading, pitch, and roll angles ψ,θ,ϕ, respectively, by solving a quadratically constrained quadratic minimization problem through finding a minimum of a linear function subject to a linear matrix inequality constraint; and outputting the attitude. | 2021-01-14 |
20210011175 | DIRECTION FINDER - A method of determining a reference direction for an angular measurement device, comprising: providing a rigid structure having an antenna for a global navigation satellite system (GNSS) fixed at a first point thereof; fixing the angular measurement device to a second point on the rigid structure, separated from the first point by at least 0.5 meters; while rotating the rigid structure so as to cause rotational movement of the antenna around the sensitive axis, acquiring velocity measurement data from the GNSS and angular velocity measurement data from the angular measurement device; and using the velocity measurement data and the angular velocity measurement data to determine a reference direction for the angular measurement device. | 2021-01-14 |
20210011176 | RADIATION IMAGING APPARATUS, RADIATION IMAGING SYSTEM, CONTROL METHOD OF RADIATION IMAGING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM - A radiation imaging apparatus is provided. The radiation imaging apparatus comprises a plurality of pixels used to acquire a radiation image, and a readout circuit configured to read out a signal from each of the plurality of pixels. Correction image data used for performing offset correction is acquired from the plurality of pixels in an acquisition mode associated with an estimated value of the signal and system noise generated when the readout circuit reads out the signal, the estimated value and the system noise being set according to an imaging mode by a user. | 2021-01-14 |
20210011177 | Methods and Systems for Process Control Based on X-ray Inspection - In one embodiment, an X-ray inspection system may capture one or more X-ray images for samples of interest processed by a first tool. The X-ray inspection system may be inline with the first tool and have an inspection speed of 300 mm | 2021-01-14 |