26th week of 2021 patent applcation highlights part 40 |
Patent application number | Title | Published |
20210199733 | METHOD OF DETECTING BIOLOGICAL SAMPLE - A method of detecting a biological sample includes the following steps. A magnetic sensor chip is provided, wherein the magnetic sensor chip includes a substrate and a magnetic sensing layer located on the substrate. Probes are connected to the magnetic sensor chip. A sample solution containing biological samples labeled with a first marker is provided on the magnetic sensor chip, so that the biological samples labeled with the first marker are hybridized with the probes. Magnetic beads labeled with a second marker are provided on the magnetic sensor chip, so that the magnetic beads labeled with the second marker are bound onto the biological samples labeled with the first marker. A signal sensed by the magnetic sensing layer is detected by a magnetic sensor. | 2021-07-01 |
20210199734 | MAGNETIC RESONANCE MEASURING ASSEMBLY - An MR measuring assembly ( | 2021-07-01 |
20210199735 | CABLE MANTLE FOR SHIELD CURRENT SUPPRESSION IN A SHIELDED CABLE - A cable mantle for shield current suppression in a shielded cable includes a through hole for hosting the shielded cable; and a plurality of resonant elements; wherein each of the resonant elements includes | 2021-07-01 |
20210199736 | METHOD AND SYSTEM FOR IN-VIVO, AND NON-INVASIVE MEASUREMENT OF METABOLITE LEVELS - Embodiments of a compact portable nuclear magnetic resonance (NMR) device are described which generally include a housing that provides a magnetic shield; an axisymmetric permanent magnet assembly in the housing and having a bore, a plurality of magnetic elements that together provide a well confined axisymmetric magnetization for generating a near-homogenous magnetic dipole field Bo directed along a longitudinal axis and providing a sample cavity for receiving a sample, and high magnetic permeability soft steel poles to improve field uniformity: a shimming assembly with coils disposed at the longitudinal axis for spatially correcting the near homogenous magnetic field Bo; and a spectrometer having a control unit for measuring a metabolite in the sample by applying magnetic stimulus pulses to the sample, measuring free induction delay signals generated by an ensemble of hydrogen protons within the sample; and suppressing a water signal by using a dephasing gradient with frequency selective suppression. | 2021-07-01 |
20210199737 | MAGNETICALLY COUPLED LOADING CHAMBER AND APPARATUS FOR IN SITU MAS NMR: OPERATING UNDER EITHER HIGH OR LOW PRESSURE - A sample chamber holder for MAS-NMR capable of operating at both low and high pressures. In one example the sample chamber holder is made up of a sample holder body defining a sample chamber therein, a connector configured to operatively statically hold an in situ rotor within the sample chamber; a coupler configured to operatively connect the sampler holder body to a magnetically coupled rotation member. The magnetically coupled rotation member is configured to engage and rotate a sealing cap from an NMR rotor in such a way so as to allow an NMR cap to be alternatively opened or sealed in-situ while the NMR rotor remains statically positioned in an NMR device. | 2021-07-01 |
20210199738 | COUCH AND MAGNETIC RESONANCE IMAGING DEVICE - A couch according to an embodiment is a couch for a magnetic resonance imaging device, and includes a transformable couchtop, a movable couchtop, and processing circuitry. The transformable couchtop is configured to be at least partially transformable and to support a subject. The movable couchtop is configured to cause the transformable couchtop to move into a gantry of the magnetic resonance imaging device. The processing circuitry is configured to control transformation of the transformable couchtop. The processing circuitry is configured to acquire information regarding a receiver coil used in imaging of the subject, and to control the transformation of the transformable couchtop based on the information regarding the receiver coil. | 2021-07-01 |
20210199739 | RADIO-FREQUENCY COIL SIGNAL CHAIN FOR A LOW-FIELD MRI SYSTEM - A radio-frequency (RF) coil for use in a low-field magnetic resonance imaging system and methods of making the same are provided. The RF coil may include a conductor arranged on a substrate in an arrangement such that symmetry in the arrangement cancels at least a portion of a common mode voltage when a current is passed through the conductor. The RF coil may be included in a magnetic resonance imaging (MRI) system for imaging a patient having at least one B | 2021-07-01 |
20210199740 | COOLING STRUCTURE OF GRADIENT COIL - The cooling component may include a coolant pipeline component and a load-bearing component. The coolant pipeline component may include multiple flexible coolant pipelines with high thermal conductivity arranged side by side, the multiple coolant pipelines arranged side by side being securely arranged on the load-bearing component in such a way that a coolant liquid intake pipe and liquid output pipe are arranged uniformly in parallel in a serpentine layout without crossing over each other; so that the multiple coolant pipelines can be installed in a close fit with a Z coil of a gradient coil in such a way as to be orthogonal to the Z coil. Aspects of the present disclosure advantageously increase the support roundness of a cooling layer, and further ensure the magnetic field homogeneity of a coil supported thereby. | 2021-07-01 |
20210199741 | MAGNETIC RESONANCE IMAGING APPARATUS AND CONTROL METHOD THEREOF - To provide an MRI apparatus that acquires a plurality of contrast images including an FLAIR image in the shortest imaging time. An imaging controller of the MRI apparatus includes, as a prescribed pulse sequence, an IR (inversion recovery) sequence that includes application of an inversion pulse and a signal acquisition sequence to collect a signal after an inversion time has elapsed from the application of the inversion pulse, and acquires images in a first slice group, and an imaging sequence that is inserted into an inversion pulse of the IR sequence at a single time and an inversion pulse of the IR sequence at the next time, and acquires images in a second slice group different from the first slice group that are images having different contrasts from that of the IR sequence. | 2021-07-01 |
20210199742 | SYSTEMS AND METHODS FOR MAGNETIC RESONANCE IMAGING RECONSTRUCTION - A method for MRI reconstruction is provided. The method may include obtaining a plurality of sub-sampled images of a subject. The plurality of sub-sampled images may include a first sub-sampled image of the subject and one or more second sub-sampled images of the subject. The first sub-sampled image may be generated using a first MRI sequence and a first sub-sampling rate. Each of the one or more second sub-sampled images may be generated using a second MRI sequence and a second sub-sampling rate. The second sub-sampling rate may be smaller than the first sub-sampling rate. The method may include obtaining an image reconstruction model having been trained according to a machine learning technique. The method may further include generating a first full image of the subject corresponding to the first MRI sequence based on the first sub-sampled image, the one or more second sub-sampled images, and the image reconstruction model. | 2021-07-01 |
20210199743 | METHODS, SYSTEMS, AND COMPUTER READABLE MEDIA FOR ACCELERATING DIFFUSION MAGNETIC RESONANCE IMAGING (MRI) ACQUISITION VIA SLICE-INTERLEAVED DIFFUSION ENCODING - A method for accelerating diffusion magnetic resonance imaging (MRI) acquisition via slice interleaved diffusion encoding (SIDE) includes conducting a plurality of simultaneous multislice (SMS) excitations for each of a plurality of SIDE diffusion-weighted volumes to obtain SMS images of an MRI subject at different diffusion orientations, regrouping the images into slice groups with different orientations, generating a plurality of slice-undersampled diffusion weighted volumetric images of the subject, wherein each of the plurality of slice-undersampled diffusion weighted volumetric images is produced by cyclically interleaving the slice groups, such that each slice group is associated with a different diffusion wavevector, and reconstructing a full diffusion-weighted volumetric image of the subject by providing the plurality of slice-undersampled diffusion weighted volumetric images to a neural network trained to produce full diffusion-weighted volumetric versions of diffusion magnetic resonance images from undersampled versions of the diffusion magnetic resonance images. | 2021-07-01 |
20210199744 | HIGH-FREQUENCY MAGNETIC FIELD GENERATING DEVICE - A high-frequency magnetic field generating device includes two coils arranged with a predetermined gap in parallel with each other, the two coils (a) in between which electron spin resonance material is arranged or (b) arranged at one side from electron spin resonance material; a high-frequency power supply that generates microwave current that flows in the two coils; and a transmission line part connected to the two coils, that sets a current distribution so as to locate the two coils at positions other than a node of a stationary wave. | 2021-07-01 |
20210199745 | FINGERPRINT PROVISION CONTROL BASED ON DEVICE PROPERTIES - It is disclosed to transmit query information that comprises information on at least one property of a device ( | 2021-07-01 |
20210199746 | METHOD, DEVICE AND COMPUTER-READABLE MEDIUM FOR DETERMINING LOCATION OF COMMUNICATION DEVICE - Embodiments of the present disclosure relate to a method, a device and a computer readable medium for determining a location of a communication device. According to the embodiments of the present disclosure, a network device determines a location of a terminal device relative to a network device using signals received from the terminal device via a reference antenna and a switchable antenna array, thereby improving precision of determining the location of the terminal device. | 2021-07-01 |
20210199747 | METHODS AND APPARATUS FOR LOCATING RFID TAGS - A radio frequency identification (RFID) system includes an array of antennas to distinguish line-of-sight (LOS) paths from non-line-of-sight (NLOS) paths. The distance between adjacent antennas in the array of antennas is less than half the wavelength of the radio frequency (RF) signal of the system. Each antenna in the antenna array is also digitally controlled to change relative phase difference among the antennas, thereby allowing digital steering of the array of antennas across angles of arrival (AOAs) between 0 and 71 The digital steering generates a plot of signal amplitudes as a function of AOAs. LOS paths are distinguished from NLOS paths based on the shapes (e.g., depth, gradient, etc.) of local extremes (e.g., maxima or minima) in the plot. | 2021-07-01 |
20210199748 | METHODS AND APPARATUS FOR LOCATING RFID TAGS - A radio frequency identification (RFID) system includes an array of antennas to distinguish line-of-sight (LOS) paths from non-line-of-sight (NLOS) paths. The distance between adjacent antennas in the array of antennas is less than half the wavelength of the radio frequency (RF) signal of the system. Each antenna in the antenna array is also digitally controlled to change relative phase difference among the antennas, thereby allowing digital steering of the array of antennas across angles of arrival (AOAs) between 0 and π. The digital steering generates a plot of signal amplitudes as a function of AOAs. LOS paths are distinguished from NLOS paths based on the shapes (e.g., depth, gradient, etc.) of local extremes (e.g., maxima or minima) in the plot. | 2021-07-01 |
20210199749 | DEVICE DISTANCE ESTIMATION FOR VEHICLE ACCESS - A system and method includes, among other things, providing at least three vehicle transceivers, communicating with each vehicle transceiver via a remote device, and estimating a distance to the remote device for each vehicle transceiver. Estimated distances from the at least three vehicle transceivers and trilateration are used to determine an actual distance of the remote device from the vehicle. | 2021-07-01 |
20210199750 | Method and Arrangement for Determining an Occupied Region of a Radio Device, and Vehicle Having such an Arrangement - The invention relates to a method for determining an occupied region of a first radio device, comprising: —transmitting a signal from the first radio device, —receiving the signal by at least two additional radio devices, —determining, based on a runtime of the signal from the first radio device to the additional radio devices, a surrounding region around each of the additional radio devices in which the first radio device is located, and —determining the occupied region of the first radio device based on an overlapping region which results from an overlapping of all surrounding regions. Alternatively, signals can also be transmitted from the additional radio devices and received by the first radio device. The method can be used to determine whether an automobile key having a radio transmitter is located in a vehicle. | 2021-07-01 |
20210199751 | CONTROLLING A DEVICE BY TRACKING MOVEMENT OF HAND USING ACOUSTIC SIGNALS - A method, device and computer program product for controlling the device by tracking a movement of a hand or other objects. The device receives acoustic signals. At least a portion of the received signals are transformed into two-dimensional sinusoids whose frequencies are proportional to an angle-of-arrival (AoA) and a propagation distance of the reflected signals. An AoA-di stance profile is derived based on signals received from the object by evaluating frequencies of the two-dimensional sinusoids. Then, an AoA-di stance pair is derived from the AoA-di stance profile. A current location of the object is determined based on the estimated AoA-di stance pair. The device then performs a command in response to detecting that the user moved to perform the command based on prior and current locations of the object. | 2021-07-01 |
20210199752 | SYSTEM AND METHOD FOR INTERCEPTING AN EXO-ATMOSPHERIC TARGET USING PASSIVE RANGING ESTIMATION - A target intercept system for guiding an interceptor to a target using passive ranging includes an EO/IR sensor that provides target azimuth and elevation angles, target irradiance, target area and target length. A dual Kalman Filter architecture is implemented where, prior to a target image becoming resolved, i.e., prior to endgame, a first Kalman Filter provides guidance as a function of target azimuth and elevation angles and target irradiance measurements. After the target image becomes resolved, i.e., at endgame, a second Kalman Filter provides guidance as a function of target azimuth and elevation angles, target area and, optionally, target length, instead. The dual Kalman Filter approach improves the estimates of time-to-go by optimizing the on-board EO/IR sensor measurements at the optimal times. | 2021-07-01 |
20210199753 | SYNCHRONIZED RADAR NETWORKS - A radar system for providing position information to a mobile unit is provided. The radar system comprises a receiving interface. The receiving interface is adapted to receive radio frequency, RF, signals. The radar system further comprises a processing unit. The processing unit is adapted to process the received RF signals. The processing unit is adapted to determine an occupation of a predetermined time-frequency space by the received RF signals. The radar system further comprises a transmitting interface which adapted to transmit information on an intention of the radar system to occupy a specific portion of the predetermined time-frequency space. The radar system further comprises a plurality of beacon units. The beacon units are adapted to provide position information of the radar system on the specific portion in the predetermined time-frequency space, when it is determined that the specific portion of the predetermined time-frequency space is not occupied. | 2021-07-01 |
20210199754 | ELECTRONIC DEVICE, CONTROL METHOD OF ELECTRONIC DEVICE, AND CONTROL PROGRAM OF ELECTRONIC DEVICE - An electronic device comprises a controller that performs control to switch between a first mode and a second mode. In the first mode, the controller transmits first transmission waves from a plurality of transmission antennas installed in a mobile body. In the second mode, the controller transmits second transmission waves beamformed from the transmission antennas. The controller performs control to switch from the first mode to the second mode, when detecting a stop space for the mobile body. | 2021-07-01 |
20210199755 | DYNAMIC SPARSE RADAR ARRAY FOR SCENARIOS - In one embodiment, a method includes determining one or more transmission criteria for a radar system. The radar system having a number of antenna elements. The method also includes determining a configuration of a selected subset of the number of antenna elements satisfying the one or more transmission criteria; configuring a switching network to couple each antenna element of the selected subset of antenna elements to a corresponding receiving channel and a corresponding transmitting channel; and causing the radar system to transmit and receive signals using the selected subset of antenna elements. | 2021-07-01 |
20210199756 | MODULAR OBJECT-ORIENTED DIGITAL SUB-SYSTEM ARCHITECTURE WITH PRIMARY SEQUENCE CONTROL AND SYNCHRONIZATION - The present disclosure relates to digital signal processing architectures, and more particularly to a modular object-oriented digital system architecture ideally suited for radar, sonar and other general purpose instrumentation which includes the ability to self-discover modular system components, self-build internal firmware and software based on the modular components, sequence signal timing across the modules and synchronize signal paths through multiple system modules. | 2021-07-01 |
20210199757 | INCOMING WAVE COUNT ESTIMATION APPARATUS AND INCOMING WAVE COUNT INCOMING DIRECTION ESTIMATION APPARATUS - A subarray spatial averaging unit performs spatial averaging of correlation matrices by dividing a received signal of an array antenna to a plurality of subarrays having different shapes, and calculating these correlation matrices for the respective subarrays having different shapes. An eigenvalue expanding unit performs eigenvalue expansion of correlation matrices for the respective plurality of subarrays having different shapes after spatial averaging. A wave count estimating unit estimates an incoming wave count by integrating eigenvalues of the plurality of subarrays having different shapes obtained by the eigenvalue expanding unit. | 2021-07-01 |
20210199758 | ADAPTIVE TILTING RADARS FOR EFFECTIVE VEHICLE CONTROLS - In one embodiment, a method includes accessing sensor data generated by one or more sensors of the vehicle, determining that a first beam angle of a radar of the vehicle provides insufficient radar visibility of a current road condition according to one or more criteria based on the sensor data, determining an amount of adjustment needed to adjust the first beam angle of the radar, adjusting the first beam angle of the radar to a second beam angle based on the determined amount of adjustment, and detecting one or more objects based on the second beam angle of the radar. | 2021-07-01 |
20210199759 | SYSTEMS AND METHODS FOR BLIND ONLINE CALIBRATION OF RADAR SYSTEMS ON A VEHICLE - Systems, methods, and non-transitory computer-readable media provide a blind online calibration mechanism to calibrate the position of the radar unit while the self-driving vehicle is in motion without the use of any map data. Specifically, a calibration system associated with the self-driving vehicle is configured to adjust the boresight angle of the radar within a calibration range and monitor the convergence or divergence pattern of the resulting clutter locations. The boresight angle of the radar unit may be progressively adjusted in static or dynamic degree increments until the convergence of the clutter curves is observed. In this way, without using any map data or factory settings, radar calibration can be conducted as often as needed while the vehicle is moving. Radar sensing and measurement accuracy is thus improved. | 2021-07-01 |
20210199760 | MITIGATING MULTIPATH EFFECT ON RADARS FOR EFFECTIVE TARGET DETECTION - In one embodiment, a method includes receiving a first signal associated with a first multipath effect from a first radar installed on a vehicle at a first height, receiving a second signal associated with a second multipath effect from a second radar installed on the vehicle at a second height, wherein the first height and the second height are different, wherein a difference between the first height and the second height is configured to generate a mitigation of the first multipath effect and the second multipath effect, and wherein the first radar and the second radar have an overlapping field of view, and determining that a target exists in the overlapping field of view based on the first signal and the second signal. | 2021-07-01 |
20210199761 | SYSTEMS AND METHODS FOR SHAPELET DECOMPOSITION BASED GESTURE RECOGNITION USING RADAR - This disclosure relates to systems and methods for shapelet decomposition based recognition using radar. State-of-the-art solutions involve use of standard machine learning classification techniques for gesture recognition which suffer with problem of dependency on collected data. The present disclosure overcome the limitations faced by the state-of-the-art solutions by obtaining a plurality of time domain signal using a radar system comprising three vertically arranged radars and one or more sensors, identifying one or more gesture windows to obtain one or more shapelets corresponding to one or gestures which are further decomposed into a plurality of sub shapelets. Further, at least one of (i) a positive or (i) a negative time delay is applied to each of the plurality of sub shapelets to obtain a plurality of composite shapelets which are further mapped with a plurality of trained shapelets to recognize gestures comprised in one or more activities performed by a subject. | 2021-07-01 |
20210199762 | Laser Pulser Circuit with Tunable Transmit Power - A method includes applying, by a switching circuit, pulses of an input voltage to an input of an inductor. The method includes charging, in accordance with an off state of a switch, a charge storage device through the inductor using the pulses of the input voltage such that the circuit node develops a charge voltage that is greater than the input voltage. The method includes discharging, in accordance with an on state of the switch, the charge storage device such that a first portion of the charge voltage is applied to a light emitter and a second portion of the charge voltage is applied to parasitic inductance. The method includes controlling, by a controller, a timing of the pulses of the input voltage applied by the switching circuit based on a parasitic inductance from a previous charging cycle of the charge storage device, so as to control the charge voltage. | 2021-07-01 |
20210199763 | METHOD FOR CAPTURING AT LEAST ONE OBJECT, DEVICE OF A SENSOR APPARATUS, SENSOR APPARATUS AND DRIVER ASSISTANCE SYSTEM WITH AT LEAST ONE SENSOR APPARATUS - A method is described for the in particular optical capture of at least one object ( | 2021-07-01 |
20210199764 | LIDAR RING LENS RETURN FILTERING - A LIDAR sensor assembly includes a laser light source to emit laser light, and a light sensor to produce a light signal in response to sensing reflections of the laser light emitted by the laser light source from a reference surface that is fixed in relation to the LIDAR sensor assembly. A controller of the LIDAR sensor assembly can process a plurality of samples of reflected light signals, process the samples to remove erroneous readings, and then provide accurate distance measurement. The system can use low-pass filters, or other components, to filter the plurality of samples to enable the “actual,” or primary, reflected light signal (i.e., light signal reflected off of a surface in an environment external to the sensor assembly, as opposed to extraneous, internal reflections off of lenses or other components or noise) to be identified and an accurate time of flight to be calculated. | 2021-07-01 |
20210199765 | INTEGRAL ELECTRO-OPTICAL METER FOR MEASURING DISTANCES OF AUTOMOTIVE USE - The device of the present invention is an electro-optical distance meter that operates by reflecting a beam of light off of a target or object for which the distance from the meter is desired to be known. Unlike conventional optical time-of-flight meters, the beam of light in this case is a continuous sine signal that forms a functional part, including the path thereof, of a positive feedback line that feeds a high-gain amplifier that thus becomes an oscillator having a frequency proportional to the distance at which the object is located, the frequency-distance ratio being logarithmic. The circuit is essentially characterized in that, despite using light to evaluate distance, it does not require ultra-high-speed circuits but only conventional industrial-level, or even commercial-level, circuits, providing a low-cost solution to the need to estimate distances from a short range in a compact form. | 2021-07-01 |
20210199766 | INFORMATION PROCESSING APPARATUS - An information processing apparatus includes a display panel, and a ToF sensor emitting light through the display panel, in which the display panel includes a glass, and an AF layer (a water-repellent layer) having water-repellency, formed in an area other than a certain area including a passing area of light emitted from the ToF sensor on a surface of the glass opposite to a surface facing the ToF sensor. | 2021-07-01 |
20210199767 | KINEMATIC MOUNT FOR ACTIVE REFLECTIVE MIRROR ALIGNMENT WITH MULTI-DEGREE-OF-FREEDOM - A light detection and ranging receiver includes a chassis and a first mirror assembly. The first mirror assembly includes a bracket detachably mounted on the chassis, a first mirror mount configured to hold a first mirror for receiving and deflecting a light beam to a photodetector, a first set of elastic connectors attached to both the bracket and the first mirror mount to couple the first mirror mount to the bracket, and a first set of screws extending through the bracket and in contact with the first mirror mount, where the first set of screws are adjustable to change a distance and an orientation of the first mirror mount with respect to the bracket. | 2021-07-01 |
20210199768 | FILTER FOR REDUCING OPTICAL CROSS-TALK - An optical device ( | 2021-07-01 |
20210199769 | SHORT WAVELENGTH INFRARED LIDAR - Disclosed is a Lidars unit operable in the short wavelength infrared. The Lidar includes microlasers and detectors which emit and detect light in the short wavelength infrared portion of the electromagnetic spectrum. The device guarantees eye safe operation, having detection capabilities up to distances larger than 200 m including highly sensitive detector arrays. Also disclosed is a method of fabrication of an emitter-detector module of the Lidar. | 2021-07-01 |
20210199770 | Optical Redirector Device - The present disclosure relates to devices, lidar systems, and vehicles that include optical redirectors. An example lidar system includes a transmitter and a receiver. The transmitter includes at least one light-emitter device configured to transmit emission light into an environment of the lidar system. The receiver is configured to detect return light from the environment and includes a plurality of apertures, a plurality of photodetectors, and a plurality of optical redirector elements. Each optical redirector element is configured to optically couple a respective portion of return light from a respective aperture to at least one photodetector of the plurality of photodetectors. | 2021-07-01 |
20210199771 | KINEMATIC MOUNT FOR ACTIVE RECEIVER ALIGNMENT WITH MULTI-DEGREE-OF-FREEDOM - A light detection and ranging receiver includes a carrier frame, a lens assembly, a first set of screws, and a light sensor assembly mounted on the carrier frame. The lens assembly includes a lens holder mounted on the carrier frame by a first set of elastic connectors attached to the carrier frame and the lens holder, and a lens installed on the lens holder. The light sensor assembly is configured to both rotate and linearly move with respect to the carrier frame, and includes a board mount and a sensor board installed on the board mount. The first set of screws are in contact with the lens holder, and are adjustable to change a distance and/or an orientation of the lens holder with respect to the carrier frame such that the lens may form an image on a predetermined area on the sensor board. | 2021-07-01 |
20210199772 | KINEMATIC MOUNT FOR ACTIVE MEMS ALIGNMENT WITH MULTI-DEGREE-OF-FREEDOM - A light detection and ranging transmitter includes an optical scanner assembly and an extending arm for positioning a light source and a light beam collimator in a coaxial configuration. The optical scanner assembly include a scanner board for installing an optical scanner, a mechanical mount, a first set of adjustable connectors coupling the scanner board to the mechanical mount, and a first set of elastic members between the mechanical mount and the scanner board and sleeved on the first set of adjustable connectors. The LiDAR transmitter includes a second set of adjustable connectors coupling the mechanical mount to the extending arm such that the optical scanner can receive a light beam emitted by the light source and collimated by the light beam collimator. The LiDAR transmitter includes a second set of elastic members between the mechanical mount and the extending arm and sleeved on the second set of adjustable connectors. | 2021-07-01 |
20210199773 | KINEMATIC MOUNT FOR ACTIVE GALVO MIRROR ALIGNMENT WITH MULTI-DEGREE-OF-FREEDOM - A light detection and ranging system include a chassis and a galvo mirror assembly. The galvo mirror assembly includes a mirror holder including a handle and a galvo mirror for receiving and reflecting a light beam; a galvo mirror mount detachably mounted on the chassis and including a recess for receiving the handle of the mirror holder; two elastic members coupled to the handle of the mirror holder and the galvo mirror mount; two set screws in contact with the handle of the mirror holder and at least partially in the galvo mirror mount; and a galvo motor in the galvo mirror mount and configured to rotate the mirror holder. The two set screws are individually adjustable to change a compression force applied to at least one of the two elastic members and a tilt angle of the mirror holder (and the galvo mirror) with respect to a vertical direction. | 2021-07-01 |
20210199774 | METHOD AND SYSTEM OF ADJUSTING PRISM LENS IN LIDAR SYSTEM - A method and a system of adjusting a prism lens in a LiDAR system are provided. An exemplary method may include fitting a turning wheel on a half circle notch on a base plate onto which the prism lens is to be placed. The method may also include fitting a spring on a tail of the turning wheel. The method may further include placing the prism lens onto the base plate and turning the turning wheel until it engages with the prism lens. Additionally, the method may include fine adjusting the turning wheel to move the prism lens to a target location and then securing the prism lens at the target location. | 2021-07-01 |
20210199775 | MICROMACHINED MIRROR ASSEMBLY WITH PIEZOELECTRIC ACTUATOR - Embodiments of the disclosure provide a micromachined mirror assembly for controlling directions of optical signals in an optical sensing system. The micromachined mirror assembly includes a micro mirror and at least one piezoelectric actuator. The micro mirror is suspended over a substrate by at least one beam mechanically coupled to the micro mirror, and the at least one piezoelectric actuator is mechanically coupled to the at least one beam and is configured to drive the micro mirror via the at least one beam. The at least one piezoelectric actuator is configured to drive the micro mirror to tilt around a first axis based on a first electrical signal applied to the at least one piezoelectric actuator. The first electrical signal causes a piezoelectric material of the at least one piezoelectric actuator to expand in a first direction in parallel with the first axis. | 2021-07-01 |
20210199776 | A LIDAR DEVICE INCLUDING AN ACCELERATED RUNTIME ANALYSIS - A LIDAR device for scanning a scanning area. The LIDAR device includes a transmitting unit for generating beams and for deflecting the beams along the scanning area, and a receiving unit including at least one detector for receiving reflected beams. Individual sections of the detector are consecutively activatable at defined intervals for the detection of the reflected beams, or the reflected beams being deflectable onto individual sections of the detector by a deflector at a changing deflection angle. A control unit and a receiving unit are also provided. | 2021-07-01 |
20210199777 | Systems and Methods for Data Communication via a Rotary Link - A sensing device includes a stationary portion and a rotating portion. The rotating portion is spaced apart from the stationary portion by a gap and is configured to rotate relative to the stationary portion. The rotating portion includes one or more sensors that generate data. A communication interface in the rotating portion is configured to encode the data with error correction codes to provide encoded data, modulate a radio frequency (RF) signal that includes a plurality of sub-carriers with the encoded data to provide a data-modulated RF signal (e.g., an orthogonal frequency-division multiplexing (OFDM) signal), and transmit the data-modulated RF signal to the stationary portion via a wireless data transformer. The wireless data transformer includes a first conductive structure in the stationary portion and a second conductive structure in the rotating portion. The first and second conductive structures are inductively coupled together across the gap. | 2021-07-01 |
20210199778 | HALF AND QUARTER LISSAJOUS SCAN PATTERNS FOR LIDAR - A LiDAR system includes a fixed frame, a first platform, an electro-optic assembly including one or more laser sources and one or more detectors mounted on the first platform; a flexure assembly flexibly coupling the first platform to the fixed frame; a drive mechanism configured to translate the first platform with respect to the fixed frame in two dimensions in a plane substantially perpendicular to an optical axis of the LiDAR system; and a controller configured to cause the drive mechanism to translate the first platform in a first direction with a first frequency and in a second direction orthogonal to the first direction with a second frequency that is different from the first frequency, acquire a point cloud, and output the point cloud at a frame rate that is an integer times a difference between the second frequency and the first frequency, the integer being greater than one. | 2021-07-01 |
20210199779 | Rotatable Mirror Device - The present disclosure relates to systems and devices having a rotatable mirror assembly. An example system includes a housing and a rotatable mirror assembly. The rotatable mirror assembly includes a plurality of reflective surfaces, a shaft defining a rotational axis, and a mirror body coupling the plurality of reflective surfaces to the shaft. The mirror body includes a plurality of flexible support members. The rotatable mirror assembly also includes a coupling bracket configured to removably couple the rotatable mirror assembly to the housing. The system also includes a transmitter configured to emit emission light into an environment of the system after interacting with at least one reflective surface of the plurality of reflective surfaces. The system additionally includes a receiver configured to detect return light from the environment after interacting with the at least one reflective surface of the plurality of reflective surfaces. | 2021-07-01 |
20210199780 | System and Methods Utilizing Optical Feedback for Zero-Range Measurement - The present disclosure relates to systems and methods that utilize an internal optical path in lidar applications. An example method includes causing at least one light-emitter device to emit a plurality of light pulses toward a rotatable mirror. The rotatable mirror (i) reflects at least a first light pulse of the plurality of light pulses into an external environment; and (ii) reflects at least a second light pulse of the plurality of light pulses into an internal optical path. The method also includes receiving, by a photodetector, (i) a reflected light pulse comprising a reflection of the first light pulse caused by an object in the external environment; and (ii) the second light pulse received via the internal optical path. The internal optical path is defined at least in part by one or more internal reflectors that reflect the second light pulse toward the rotatable mirror such that the rotatable mirror reflects the second light pulse toward the photodetector. | 2021-07-01 |
20210199781 | ELECTRONIC DEVICE INCLUDING LIGHT SOURCE AND ToF SENSOR, AND LIDAR SYSTEM - An electronic device includes a time of flight (ToF) sensor including a pixel array, a light source that emits light signals, and an optical device that projects the light signals to areas of an object which respectively correspond to a plurality of pixel blocks including pixels of the pixel array. Each of the pixels includes a plurality of taps each including a photo transistor, a first transfer transistor connected with the photo transistor, a storage element connected with the first transfer transistor, a second transfer transistor connected with the storage element, a floating diffusion area connected with the second transfer transistor, and a readout circuit connected with the floating diffusion area. An overflow transistor is disposed adjacent to the photo transistor and connected with a power supply voltage. | 2021-07-01 |
20210199782 | APPARATUS AND METHOD FOR TESTING COUPLED AC CIRCUIT - Various technologies described herein pertain to a testing apparatus that enables an analog frequency response of a device under test to be analyzed. The testing apparatus includes a laser source and an optical resonator. The laser source is optically injection locked to the optical resonator. The testing apparatus also includes a modulator configured to apply a time-varying voltage to the optical resonator. The time-varying voltage causes the laser source optically injection locked to the optical resonator to generate a frequency modulated optical signal that can include time-varying chirps. The testing apparatus further includes an interferometer (e.g., variable delay, fixed length) configured to receive the frequency modulated optical signal from the laser source optically injection locked to the optical resonator. The interferometer outputs an optical test signal having a range of frequencies. The frequencies in the optical test signal are based at least in part on the time-varying chirps. | 2021-07-01 |
20210199783 | METHODS AND SYSTEMS FOR CALIBRATING MULTIPLE LIDAR SENSORS - A method and an electronic device for merging digital datasets in a single multidimensional space are provided. The method comprises: selecting, by the electronic device, (i) at least some of the plurality of first data points and (ii) at least some of the plurality of second data points; matching, by the electronic device, the first data points with the second data points, thereby determining a plurality of pairs; determining, by the electronic device, a pair-specific error value for a given one of the plurality of pairs; determining, by the electronic device, a weight factor for the given one of the plurality of pairs based on a normal vector associated with the given second data point in the given one of the plurality of pairs; and determining, by the electronic device, a global error value for the second dataset. | 2021-07-01 |
20210199784 | CALIBRATING A TOTAL STATION - A method of calibrating a total station having a laser based range finder is disclosed. The method includes the steps of positioning a first subsystem including the total station and a first RTK receiver at a first location and determining that location using RTK location information. A second subsystem having an optical target and a second RTK receiver is positioned at a first remote location and that location is determined by an RTK approach. The distance and azimuthal information between first and second subsystems is determined by the total station. The second subsystem is moved to a plurality of additional remote locations and the determinations are repeated. The results are used to calibrate the total station. | 2021-07-01 |
20210199785 | SENSORS FOR DETERMINING OBJECT LOCATION - A method includes recording a first timestamp of a detection of an event with a first array of an array of light sensors or an array of acoustic sensors. The array of light sensors and the array of acoustic sensors are mounted on a same chassis. The method further includes determining a direction of the event, based on the detection with the first array; recording a second timestamp of a detection of the event by a second array of the array of light sensors or the array of audio sensors; determining a distance of the event from the arrays of light and audio sensors, based on the first timestamp and the second timestamp; and controlling a vehicle, based on the event, the vehicle including the chassis. | 2021-07-01 |
20210199786 | METHOD AND SYSTEM FOR NAVIGATING AUTONOMOUS GROUND VEHICLE USING RADIO SIGNAL AND VISION SENSOR - The present invention discloses a method and a system for navigating an Autonomous Ground Vehicle (AGV) using radio signal and vision sensor. The method comprising generating a trajectory plan for a short distance from a path plan, wherein the path plan is determined using destination location and AVG location, identifying an approximate AGV location using a radio signal-based trilateration mechanism, estimating AGV location error with respect to a road lane centre by determining distance from the approximate AGV location to road boundary and road lane marking line and orientation difference between AGV orientation and road orientation, and correcting the trajectory plan by using the estimated AGV location error for navigating an AGV. | 2021-07-01 |
20210199787 | SEQUENTIAL DOPPLER FOCUSING - In one embodiment, a method includes configuring a radar transceiver to transmit a first number of radar pulses at a first pulse repetition frequency (PRF); and determining a first value corresponding to a first object based on a first radar data received in response to the first number of radar pulses. The first object is identified based on the first value being higher than a predetermined threshold value. The method also includes configuring the radar transceiver to transmit a second number of radar pulses at a second PRF that is higher than the first PRF; determining a second value of the first object based on a second radar data received in response to the second number of radar pulses; and associating the second value with information of the first object. | 2021-07-01 |
20210199788 | SYSTEMS AND METHODS FOR ADAPTIVE CLUTTER REMOVAL FROM RADAR SCANS - Various embodiments of the present technology can include systems, methods, and non-transitory computer readable media configured to adaptively identify clutter points representing static objects from a sensor data scan. A plurality of sensor data scans are captured, by a sensor unit placed on a vehicle, at a plurality of consecutive time instants while the vehicle is traveling along a route. A set of target points from each of the plurality of sensor data scans is identified. A characteristic indicative of a trajectory pattern relating to one or more respective sets of target points is obtained from one or more sensor data scans taken at consecutive time instants. In response to determining that the characteristic satisfies a pre-defined condition, an indicator with the respective sets of target points is adopted as relating to one or more static objects in an environment at which the vehicle is situated. | 2021-07-01 |
20210199789 | COMMUNICATION DEVICE, COMMUNICATION METHOD, AND COMMUNICATION PROGRAM - A communication device includes: a communication unit that communicates with a plurality of wireless terminals in a communication area; a number-of-terminals acquisition unit that acquires a number of wireless terminals communicating with the communication unit for a predetermined period of time on the basis of information on communication performed between the wireless terminals and the communication unit; a terminal position acquisition unit that acquires positions of the wireless terminals communicating with the communication unit for a predetermined period of time on the basis of the information on the communication performed between the wireless terminals and the communication unit; and a distribution acquisition unit that acquires a distribution of the wireless terminals on the basis of the number of wireless terminals acquired by the number-of-terminals acquisition unit and the positions of the wireless terminals acquired by the terminal position acquisition unit. | 2021-07-01 |
20210199790 | RADAR BASED SEED SENSOR FOR USE WITH AGRICULTURAL SYSTEMS, METHODS, AND APPARATUS - A sensor assembly includes a sensor in the form of a microwave radar device to dispense microwaves in an area where seed or other particulate material is to be sensed. This may be a seed tube of a row unit. The microwaves of the radar provide an accurate determination if a seed or other particulate material has passed through the field of vision of the sensor to provide an accurate sensing of a seed event. This information can be used to determine the rate of planting, skips, doubles, as well as any other information related to the passing of a seed or other particulate material. | 2021-07-01 |
20210199791 | TIRE MONITORING DEVICES SYSTEMS AND METHODS - A radar sensing system for estimating one or more of a vehicle's wheel parameters, including an antenna subsystem comprising one or more RF (Radio Frequency) antennas configured and enabled to transmit one or more RF signals from at least one RF antenna towards one or more selected directions or points and obtain reflected or affected plurality of RF signals from the one or more selected directions or points, a data acquisition subsystem configured and enabled to measure the axle-to-ground clearance and the axle-to-chassis clearance, and one or more processors configured and enabled to estimate the one or more of the vehicle's wheel parameters. | 2021-07-01 |
20210199792 | SYSTEMS AND METHODS FOR ADAPTIVE GATING IN INITIALIZATION OF RADAR TRACKING - Systems, methods, and non-transitory computer-readable media provide an adaptive gating mechanism for radar tracking initialization. Specifically, the radar system obtains measurement data of target points, and then determines, based on the measured position and dopplers of points in the first few scans, whether the doppler and displacement parameters satisfy an initialization constraint. When the initialization constraint is not satisfied, the radar system flags the respective cluster with an initialization flag, and adaptively uses the measured position and doppler of scanned points to determine the gating size for the next scan, instead of using a fixed gate size. When the initialization flag of the same cluster across a few consecutive scans satisfies a combination logic, the radar system determines that the tracking enters into the association stage, e.g., the radar system formally generates a track for the target points along a series of scans. | 2021-07-01 |
20210199793 | METHOD FOR BLUETOOTH LOW ENERGY RF RANGING SEQUENCE - A method of determining a distance between a master device and a remote device includes communicating bi-directionally between a transceiver of a master device and a transceiver of a remote device with Bluetooth Low Energy communication, performing a radio frequency ranging sequence in between an advertising interval or a connection interval of the Bluetooth Low Energy communication, and employing the radio frequency ranging sequence to determine a distance between the master device and the remote device. | 2021-07-01 |
20210199794 | RFID LOCATION SYSTEMS AND METHODS - Embodiments of the present invention include radio frequency identification location systems and methods. In one embodiment, RF signals are transmitted from one or more RFID readers, and in accordance therewith, backscattered signals are received from a tag to be located. A plurality of measured position parameters are used to determine a location of the tag. In one embodiment, one reader may transmit and three readers may receive signals to determine the position of a tag. In other embodiments, multiple readers may transmit and receive. In another embodiment, one reader may transmit from different positions to locate a tag. Embodiments of the invention may be used to track a moving tag. A reader's position may be determined using GPS, reference tags, or the reader may be positioned in a known location. A map may be provided to a user to display the location or movement of a tag or a corresponding item. | 2021-07-01 |
20210199795 | Ground-Penetrating Radar Device and Method for Same - An underground radar device and a method thereof are provided that do not require replacement of antennas for transceiving in conformity with the width of a road, and can achieve exploration of a buried object with a single scan. An underground radar device includes a transmission array antenna and a reception array antenna, and further includes a position variable mechanism capable of changing intervals between antenna elements of the transmission array antenna and the reception array antenna while keeping all the intervals equal. The position variable mechanism includes a drive unit, a plurality of crossbars constituting an expandable link, and a plurality of link sections for coupling so as to change inclination angles of a V-shape and an inverted V-shape of the expandable link. | 2021-07-01 |
20210199796 | METHOD AND SYSTEM FOR UNOBTRUSIVE LIVELINESS DETECTION AND MONITORING USING DFR IN AN IOT NETWORK - Radar based HR and BR measurements by simultaneous decoding is a technical problem due to presence of intermodulation of BR and HR harmonics, which degrades simultaneous decoding. Embodiments herein provide a method and system for unobtrusive liveliness detection and monitoring of a subject using a Dual Frequency Radar (DFR) in an IOT network. The system has the capability to completely process the captured raw signals onboard to by applying required signal conditioning and extraction of relevant information using unique signal processing techniques for determining the HR and the BR of the subject accurately. The intermodulation of BR and HR harmonics is eliminated by the system by performing frequency spectrum averaging of both radars signals, which improves the accuracy. Further, the system is configured with a light MQTT protocol and encoding modules for any data to be shared for off board processing, ensuring data security and privacy compliance. | 2021-07-01 |
20210199797 | METHOD AND DEVICE TO PROCESS RADAR SIGNAL - A radio detection and ranging (radar) signal processing device obtains radar data by compensating for a change in a carrier frequency of a sensed radar signal, and outputs a radar image map based on the obtained radar data. The radar signal processing method includes obtaining a beat frequency signal based on a radar transmission signal generated based on a frequency modulation model and a radar reflection signal obtained from the radar transmission signal being reflected from an object, and generating radar data by compensating the beat frequency signal for a carrier frequency change by the frequency modulation model. | 2021-07-01 |
20210199798 | CONTINUOUS WAVE RADAR TERRAIN PREDICTION METHOD, DEVICE, SYSTEM, AND UNMANNED AERIAL VEHICLE - A terrain prediction method includes obtaining N pieces of ranging data obtained by a continuous wave radar performing ranging on ground during rotation and when a rotation angle of the continuous wave radar is in a predetermined angle range, excluding outliers from the N pieces of ranging data to obtain M pieces of ranging data, and determining a terrain parameter of the ground according to the M pieces of ranging data. N is an integer greater than 1. M is a positive integer smaller than N. The terrain parameter includes at least one of a slope, a flatness, or a height value of the continuous wave radar to the ground directly below. | 2021-07-01 |
20210199799 | POINT CLOUD REGISTRATION FOR LIDAR LABELING - The subject disclosure relates to techniques for detecting an object. A process of the disclosed technology can include steps for receiving three-dimensional (3D) Light Detection and Ranging (LiDAR) data of the object at a first time, generating a first point cloud based on the 3D LiDAR data at the first time, receiving 3D LiDAR data of the object at a second time, generating a second point cloud based on the 3D LiDAR data at the second time, aggregating the first point cloud and the second point cloud to form an aggregated point cloud, and placing a bounding box around the aggregated point cloud. Systems and machine-readable media are also provided. | 2021-07-01 |
20210199800 | METHOD FOR MEASURING DISTANCE OF IMAGE DISPLAYED ON TELEVISION CAMERA - Provided is an environment in which balance information can be easily confirmed when An LED light emitting element unit that controls light emission for each LED light emitting element that is similar to an image element of a television camera is required. A luminous intensity measuring element unit to be controlled and measured is necessary for each luminous intensity measuring element which is similar to an image element of a television camera. The present invention relates to an electronic device that can be manufactured by a current electronic device manufacturing technology. | 2021-07-01 |
20210199801 | LIDAR Occlusion Detection Methods and Systems - The present disclosure relates to systems and methods for occlusion detection. One example method involves a light detection and ranging (LIDAR) device scanning at least a portion of an external structure within a field-of-view (FOV) of the LIDAR device. The LIDAR device is physically coupled to the external structure. The scanning comprises transmitting light pulses toward the external structure through an optical window, and receiving reflected light pulses through the optical window. The reflected light pulses comprise reflections of the transmitted light pulses returning back to the LIDAR device from the external structure. The method also involves detecting presence of an occlusion that at least partially occludes the LIDAR device from scanning the FOV based on at least the scan of the at least portion of the external structure. | 2021-07-01 |
20210199802 | USING TIME-OF-FLIGHT AND PSEUDO-RANDOM BIT SEQUENCES TO MEASURE DISTANCE TO OBJECT - The present disclosure describes a method and apparatus for enabling an imaging sensor to perform Time-of-Flight measurements while requiring less histogram memory and in many cases less power consumption. A light source is operated to cause multiple light emissions and a coarse/estimated distance is determined based on a first echo received based on the first light emission. A histogram is saved and a fine distance is calculated from the coarse distance and data derived from the echo of a second light emission. | 2021-07-01 |
20210199803 | FREQUENCY CHIRP FOR LIDAR FOR HIGH-VELOCITY TARGETS - A device includes a controller with a processor and memory with instructions for controlling power to a light source such that the light source emits a frequency-modulated continuous light beam that, over time, includes an up region, a down region, and a flat region. The up region includes increasing a frequency of the continuous light beam, the down region includes decreasing the frequency of the continuous light beam, and the flat region includes maintaining the frequency of the continuous light beam at a constant frequency. | 2021-07-01 |
20210199804 | DETECTION DEVICE AND DETECTION SYSTEM - A detection device, which detects a behavior of a vehicle in a preset detection area using a laser radar that generates point cloud information by irradiating the detection area with laser light and receiving reflected light resulting from the irradiation with the laser light, includes an acquisition unit configured to acquire the point cloud information, a vehicle detection unit configured to detect a vehicle on the basis of the point cloud information, and a behavior detection unit configured to detect a target behavior that is a vehicle behavior subjected to detection in response to the vehicle detected by the vehicle detection unit having moved from a first area to a second area, in which the first area and the second area are included in the detection area and are set according to the target behavior. | 2021-07-01 |
20210199805 | METHOD OF SIMULTANEOUS LOCALIZATION AND MAPPING - A method of simultaneous localization and mapping (SLAM) is provided to position a target object. Each of detected tracked objects in a surrounding environment of the target object is classified into a moving object or a static object based on data detected at different time points. The target object is then positioned without considering any of the tracked objects that are classified into a moving object. | 2021-07-01 |
20210199806 | Systems and Methods for Occlusion Detection - The present disclosure relates to systems and methods for occlusion detection. An example system includes a primary reflective surface and a rotatable mirror configured to rotate about a rotational axis. The rotatable mirror includes a plurality of secondary reflective surfaces. The system also includes an optical element and a camera that is configured to capture at least one image of the optical element by way of the primary reflective surface and at least one secondary reflective surface of the rotatable mirror. | 2021-07-01 |
20210199807 | LIDAR APPARATUS BASED ON TIME OF FLIGHT AND MOVING OBJECT - Provided are a LIDAR apparatus based on a time of flight and a moving object which output an electrical signal by transmitting and receiving light, generate a control signal by analyzing the electrical signal, measure a pin point distance by calculating a time of flight of the light based on the control signal, and process point cloud data generated based on a measured distance to accurately construct information on a surrounding environment. | 2021-07-01 |
20210199808 | OBJECT DETECTION DEVICE AND METHOD OF OPERATING THE SAME - An object detection device may include: a converter configured to convert a transmission signal radiated towards an object into a digital transmission signal and a received signal reflected from the object into a digital received signal, according to a predetermined sampling period; and at least one processor configured to: interpolate between elements of the digital transmission signal and the digital received signal that have the predetermined sampling period, to obtain an interpolated transmission signal and an interpolated received signal; remove noise from each of the interpolated transmission signal and the interpolated received signal; generate a cross-correlation signal between the interpolated transmission signal from which the noise is removed and the interpolated received signal from which the noise is removed; and acquire a three-dimensional (3D) image of the object based on at least one peak value of the cross-correlation signal. | 2021-07-01 |
20210199809 | SYSTEM AND METHOD OF CAPTURING AND GENERATING PANORAMIC THREE-DIMENSIONAL IMAGES - An apparatus comprising a housing, a mount configured to be coupled to a motor to horizontally move the apparatus, a wide-angle lens coupled to the housing, the wide-angle lens being positioned above the mount thereby being along an axis of rotation, the axis of rotation being the axis along which the apparatus rotates, an image capture device within the housing, the image capture device configured to receive two-dimensional images through the wide-angle lens of environment, and a LiDAR device within the housing, the LiDAR device configured to generate depth data based on the environment. | 2021-07-01 |
20210199810 | MICROSERVICES ARCHITECTURE FOR CLOUD-SCALE GLOBAL NAVIGATION SATELLITE SYSTEM - A system can include a producer device to receive reference data from a reference station. The system can include a queue device to store a reference message, corresponding to the reference data, in a message queue. The system can include a mapping device to store mapping information indicating that the message queue is associated with the reference station. The system can include a consumer device to identify the message queue as being associated with a microservice to be provided to a client device based on a microservice request. The message queue can be identified based on the mapping information. The consumer device can obtain the reference message from the message queue, generate corrections data associated with the client device, and provide the corrections data. | 2021-07-01 |
20210199811 | Auto-Provisioning and Commissioning - System and methods are disclosed for automatically provisioning and commissioning an electronic device (“device”), such as a satellite modem coupled to a reconfigurable satellite antenna. The device is provisioned at a first location, e.g., at a manufacturing facility, using first provisioning data and first commissioning data that is sufficient for the device to establish a communication link with a network and a server having an activated user account. The first provisioning data and first commissioning data is based at least in part upon machine learning over a plurality of devices of a similar type. The device is then set-up and powered-on at a second location, e.g., an end-use location. The device connects to the network, logs in to the user account, and provides a serial number and the second location to the server. The server downloads second provisioning data this based at least in part upon the second location to the device. | 2021-07-01 |
20210199812 | GLOBAL NAVIGATION SATELLITE SYSTEM (GNSS) MULTIPATH MITIGATION - A tracking loop and associated method for tracking a satellite signal in a GNSS receiver and for determining a line-of-sight (LOS) signal from a plurality of satellite signals received by the GNSS receiver from a satellite. One or more first correlators perform a correlation between a code signal derived from one of the received satellite signals and a plurality of corresponding replica code signals to determine a plurality of code correlation sums comprising a prompt code correlation sum, one or more early code correlation sums and one or more late code correlation sums. One or more second correlators correlate the plurality of code correlation sums with a plurality of replica carrier signals, each having a different Doppler frequency offset, to determine, for each of the plurality of code correlation sums, a set of correlation magnitudes at frequencies of the plurality of replica carrier signals. An LOS identification module identifies the LOS signal based on a signal propagation delay corresponding to one or more local maxima within the sets of correlation magnitudes. | 2021-07-01 |
20210199813 | METHOD AND APPARATUS FOR USING DUAL-POLARIZATION ANTENNA - An apparatus includes an antenna assembly including an antenna configured to receive a signal and, based on the received signal, generate a first linearly polarized signal at a first feed point and a second linearly polarized signal at a second feed point; and a switching circuit configured to periodically switch between the first feed point and the second feed point to select a polarized signal between the first and second polarized signals at a point in time based on a switching signal. | 2021-07-01 |
20210199814 | POSITIONING METHOD AND DEVICE, AND SERVER AND SYSTEM - Provided is a positioning method, including following steps: current location information is determined, and the current location information is sent to a positioning server; identification information of a guidepost and guidepost location information of the guidepost sent by the positioning server are received; and an image of a current location is acquired, the image is matched with the identification information of the guidepost, and in response to a success in matching the image with the identification information of the guidepost, corrected current location information is obtained according to the guidepost location information, or the current location information and the guidepost location information. | 2021-07-01 |
20210199815 | SDR FOR NAVIGATION WITH CELLULAR CDMA SIGNALS - A GNSS augmented using signals of opportunity (SOPs) provides various technical solutions to technical problems facing GNSS implementations. SOPs may enhance or enable otherwise unavailable navigation, such as whenever GNSS signals become inaccessible or untrustworthy, Terrestrial SOPs are abundant and are available at varying geometric configurations, and may be used to improve GNSS by reducing VDOP, VDOP may be reduced by exploiting existing terrestrial SOPs, particularly cellular code division multiple access (CDMA) signals, which have inherently low elevation angles and are free to use. | 2021-07-01 |
20210199816 | DEVICES AND METHODS FOR A DNA DOUBLE-STRAND-BREAK DOSIMETER - Devices and methods for detecting radiation-induced cell damage by directly measuring DNA damage resulting from delivered radiation exposure is disclosed herein. The device can measure the rate of DNA double-strand break, which is the dominant factor for radiation induced cell damage. This approach enables more accurate measurements as compared to current exposure-based dosimetry. In embodiments, the device is comprised of magnetic streptavidin beads and strands of DNA configured with a biotin on one end and fluorescein on the other. | 2021-07-01 |
20210199817 | X-RAY DETECTOR HAVING DRIVER MICRO INTEGRATED CHIPS PRINTED ON PHOTODIODE LAYER - Provided are an X-ray detector including a plurality of pixel driving micro integrated chips separately fabricated from a photodiode layer and printed on the photodiode layer and a method for manufacturing the X-ray detector. The X-ray detector may include a photodiode layer and a driver layer. The photodiode layer may include a plurality of photodiodes and be configured to receive X-ray that have passed through a target object and convert the received X-ray to electric signals. The driver layer may be formed on the photodiode layer and include a plurality of micro driving integrated chips each coupled to two or more photodiodes in the photodiode layer. The plurality of pixel driving integrated chips may be manufactured separately from the photodiode layer and printed on the photodiode layer using a micro-transfer printing method. | 2021-07-01 |
20210199818 | RADIATION DETECTION MATERIAL AND RADIATION DETECTION DEVICE - The embodiments provide a radiation detection material emitting fluorescence with high intensity and short lifetime, and also provide a radiation detection device. The polycrystalline radiation detection material of the embodiment is represented by the following formula (1) | 2021-07-01 |
20210199819 | COMPRESSIVE IMAGING METHOD AND SYSTEM - A mask for use in compressed sensing of incoming radiation, the mask comprising: a body formed of a material that modulates an intensity of incoming radiation of interest. The body has a plurality of mask aperture regions, each comprising at least one mask aperture that allows a higher transmission of the radiation relative to other portions of the respective mask aperture region, the relative transmission being sufficient to allow reconstruction of the compressed sensing measurements; the mask has one or more axes of rotational symmetry with respect to the mask aperture regions; the mask apertures have a shape that provides symmetry after a rotation about the one or more axes of rotational symmetry; and mutual coherence of a sensing matrix generated by the rotation of the respective mask aperture regions is less than one. An imaging system for compressed sensing of incoming radiation comprising such a mask is also provided. | 2021-07-01 |
20210199820 | COLLIMATOR MODULE, MEDICAL APPARATUS, AND METHOD OF MAKING COLLIMATOR MODULE - To provide a technique with which it is possible to make collimator plates resistant to deformation, and reduce position offsets in the collimator plates, a collimator module ( | 2021-07-01 |
20210199821 | SYSTEM AND METHOD FOR IMAGING BY GAMMA RADIATION DETECTION - A system and method for imaging by gamma radiation detection having at least one processing unit analyzing at least one signal provided by at least one set of detection modules mounted on a frame and including, on the one hand, at least one module of Compton camera type having a field of view directed towards a volume delimited by the frame and, on the other hand, at least one pair of coincidence detection PET modules, diametrically opposite to each other on the frame and defining an imaging axis, the processing unit analyzing the signal derived from the Compton-type module to determine the intersection of the imaging axis with the field of view and to determine the optimal orientations and/or locations of the various detection modules on the frame so that the imaging axis passes through the source of the gamma radiation in the object to be imaged. | 2021-07-01 |
20210199822 | DEVICES, SYSTEMS AND METHODS FOR DETERMINING DEPTH OF INTERACTION IN POSITRON EMISSION TOMOGRAPHY DETECTORS - Methods and systems for detecting a three-dimensional position of a scintillation event converting a radiation into a light. For example, a system includes a crystal array including a plurality of crystal elements, a light sensor array including a plurality of light sensors, a first crystal pair of the plurality of crystal pairs corresponds to a first light sensor pair of the plurality of light sensor pairs; a second crystal pair of the plurality of crystal pairs corresponds to a second light sensor pair of the plurality of light sensor pairs; and a third crystal pair of the plurality of crystal pairs corresponds to the first light sensor pair and the second light sensor pair such that a scintillation event in the third crystal pair is detected by both the first light sensor pair and the second light sensor pair. | 2021-07-01 |
20210199823 | TIMING CALIBRATION USING INTERNAL RADIATION AND EXTERNAL RADIATION SOURCE IN TIME OF FLIGHT POSITRON EMISSION TOMOGRAPHY - A method and system for providing improved timing calibration information for use with apparatuses performing Time of Flight Positron Emission Tomography scans. Relative timing offset, including timing walk, within a set of processing units in the scanner are obtained and corrected using a stationary limited extent positron-emitting source, and timing offset between the set of processing units is calibrated using an internal radiation source, for performing calibration. | 2021-07-01 |
20210199824 | Methods For Reducing Intensity of Seismic Motion at or Near the Ground Surface - Systems and methods provide for the reduction of motion at a ground layer of a site due to a seismic event. A predicted seismic motion is obtained for a geological layer at depth and properties of the layers between the ground layer and layer at depth are determined. A model is created using the layers and the predicted seismic motion. Iteratively for each layer, one or more properties of the layer is changed in the model and a site amplification is performed to determine a change or changes that result in an acceptable response at the ground layer. Subsequently, the in situ layer may be modified according to the modified property or properties to reduce motion at the site due to a seismic event. | 2021-07-01 |
20210199825 | SIMULTANEOUS ACQUISITION OF DISTRIBUTED ACOUSTIC SENSING FOR MONITORING - An apparatus comprises a distributed acoustic sensing (DAS) optical fiber, a DAS interrogator coupled to the DAS optical fiber, and a connector. The connector couples the DAS interrogator, a first digitizer, and a second digitizer, wherein the first digitizer is to generate a first digitized DAS signal based on an analog DAS signal from the DAS interrogator, and the second digitizer is to generate a second digitized DAS signal based on the analog DAS signal. The apparatus also comprises one or more processors and a machine-readable medium having program code executable to cause the apparatus to simultaneously generate a first set of values that correlate with a first physical property based on the first digitized DAS signal and generating a second set of values that correlate with a second physical property based on the second digitized DAS signal. | 2021-07-01 |
20210199826 | FIBER OPTIC CABLE DEPTH CALIBRATION AND DOWNHOLE APPLICATIONS - A fiber optic cable positioned along a casing string in a wellbore may be calibrated by exciting a tube wave in the wellbore and detecting, by the fiber optic cable, a reflected tube wave. The reflected tube wave may correspond to a reflection of the tube wave off an obstacle within the wellbore. The obstacle may have a known location such that a reference point along the fiber optic cable may be associated with the known location of the obstacle for calibrating the fiber optic cable. Downhole applications utilizing data collected by the calibrated fiber optic cable, including location data, may weight the data collected based at least in part on an uncertainty value associated with a particular calibrated location along the length of the fiber optic cable. | 2021-07-01 |
20210199827 | Full waveform inversion using time delayed seismic data - Systems, methods, and apparatuses directed to determining a long wavelength velocity model using acquired seismic data lacking low-frequency data is disclosed. Determination of the long wavelength velocity model may include generating a time-delayed signal from the acquired seismic data to produce low-frequency information and reducing a residual energy between the time-delayed signal from the acquired seismic data and a time-delayed signal of modeled data using an objective function to produce an optimized initial velocity model using full waveform inversion. Moreover, a full waveform inversion on the optimized initial velocity model using acquired data can be used to produce a velocity model more accurately representing subterranean formations. | 2021-07-01 |
20210199828 | SEISMIC VULNERABILITY ANALYSIS SYSTEM OF USER'S LIVING SPACE AND SEISMIC VULNERABILITY ANALYSIS METHOD OF USER'S LIVING SPACE USING THE SAME - Provided is a seismic vulnerability analysis system of a user's living space. The system includes: an image receiving unit configured to receive image information obtained by photographing a living space, where various things are disposed, through a camera; an image signal processing unit configured to recognize the thing photographed in the image information as an object, extract a position and size of the object in a three-dimensional space, and convert the extracted position and size into spatial information; and an earthquake simulation unit configured to simulate motion phenomena of the objects in the space when an earthquake occurs according to simulated seismic conditions based on the spatial information. | 2021-07-01 |
20210199829 | GEOPHONE DEPTH CALIBRATION - A method and system for processing a slowness profile. A method may comprise disposing a geophone array into a borehole, positioning the geophone array at a first location within the borehole; discharging a seismic source; positioning the geophone array at a second location within the borehole; discharging the seismic source, wherein the seismic source produces an acoustic wave; recording a vertical seismic profiling dataset, wherein vertical seismic profiling comprises a dataset of recorded acoustic waves by the geophone array at the first location within the borehole and the second location within the borehole; picking a first gap travel time from the vertical seismic profiling dataset; and determining the slowness profile, wherein the slowness profile comprises determining a slowness of the acoustic wave through a formation by the geophone arrays. A well system may comprise a geophone array, comprising a plurality of geophones, and an information handling system. | 2021-07-01 |
20210199830 | METHOD OF LOW-FREQUENCY SEISMIC DATA ENHANCEMENT FOR IMPROVING CHARACTERIZATION PRECISION OF DEEP CARBONATE RESERVOIR - A method of low-frequency seismic data enhancement for improving the characterization precision of a deep carbonate reservoir includes: first performing inversions on an input seismic data set to obtain the corresponding reflection coefficients and average seismic wavelet; then constructing a seismic wavelet with rich low-frequency information; and finally, performing convolution on the seismic wavelet with rich low-frequency information and the reflection coefficients to obtain seismic data with rich low-frequency information and enhanced low-frequency energy. In the present invention, changes of the seismic data in a work area in transverse and longitudinal directions are taken into consideration, and processing parameters can be quickly determined according to actual conditions of the work area to obtain an optimal processing effect. In this way, the characterization quality of geological anomalies, such as a fault, a fracture system, or the like, in a deep carbonate reservoir can be improved significantly. | 2021-07-01 |
20210199831 | WELL LOG CHANNEL MATCHING - A method may include calculating a first set of hash values for a set of well log channels, extracting a well log channel snippet from an unknown well log channel, calculating a second set of hash values for the well log channel snippet, identifying, for the unknown well log channel, a matching well log channel by searching the first set of hash values with the second set of hash values, and storing, for the unknown well log channel, a channel context corresponding to the matching well log channel | 2021-07-01 |
20210199832 | ANGULAR RESPONSE COMPENSATION FOR DAS VSP - A system for processing DAS VSP surveys is provided. The system includes a DAS data collection system coupled to at least one optical fiber at least partially positioned within a wellbore and configured to either activate or passively listen to a seismic source of energy for one or more times. The system further includes an information processing system connected to the DAS data collection system. A seismic dataset is received from the DAS data collection system recorded in a spatiotemporal domain. The seismic dataset is converted into intercept-time ray-parameter domain dataset. Local apparent slope is determined for each seismic signal in the received seismic dataset. Amplitude correction is performed for the received seismic signals by using the slowness profile and the determined local apparent slope in the intercept-time ray-parameter domain dataset. The corrected intercept-time ray-parameter domain dataset is converted back into the spatiotemporal domain. | 2021-07-01 |