Patents Issued in August 22, 2023
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Patent number: 11733316Abstract: Methods and apparatus for determining a mechanical angle of a target from sine and cosine signals generated by inductive sensing elements by applying harmonic compensation on the sine and cosine signals using possible mechanical angles and analyzing results of the applied harmonic compensation. One of the mechanical angles can be selected based on the results of the applied harmonic compensation. In embodiments, a cost function can be used to select the mechanical angle.Type: GrantFiled: December 14, 2020Date of Patent: August 22, 2023Assignee: Allegro MicroSystems, LLCInventors: Emanuele Andrea Casu, Andrea Foletto
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Patent number: 11733317Abstract: A chopping technique, and associated structure, is implemented to cancel the magnetic 1/f noise contribution in a Tunneling Magnetoresistance (TMR) field sensor. The TMR field sensor includes a first bridge circuit including multiple TMR elements to sense a magnetic field and a second circuit to apply a bipolar current pulse adjacent to each TMR element. The current lines are serially or sequentially connected to a current source to receive the bipolar current pulse. The field sensor has an output including a high output and a low output in response to the bipolar pulse. This asymmetric response allows a chopping technique for 1/f noise reduction in the field sensor.Type: GrantFiled: May 3, 2022Date of Patent: August 22, 2023Assignee: EVERSPIN TECHNOLOGIES, INC.Inventors: Bradley Neal Engel, Phillip G. Mather
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Patent number: 11733318Abstract: A sensor package comprises a non-conductive substrate, at least two electrically conductive coils located at a first side of the non-conductive substrate, an evaluation circuit located at a second side of the non-conductive substrate opposing the first side of the non-conductive substrate and conductive connections between the at least two electrically conductive coils and the evaluation circuit.Type: GrantFiled: January 22, 2019Date of Patent: August 22, 2023Assignee: MELEXIS TECHNOLOGIES SAInventors: Vincent Hiligsmann, Wolfram Kluge, David Ihle, Jian Chen, Jorg Rudiger, Sascha Beyer
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Patent number: 11733319Abstract: Sensitivity of a magnetic sensor using the magnetic impedance effect is improved. A magnetic sensor includes: a non-magnetic substrate; a sensitive element provided on the substrate, including a soft magnetic material, having a longitudinal direction and a short direction, provided with uniaxial magnetic anisotropy in a direction intersecting the longitudinal direction, and sensing a magnetic field by a magnetic impedance effect; and a protrusion part including a soft magnetic material and protruding from an end portion in the longitudinal direction of the sensitive element.Type: GrantFiled: March 15, 2022Date of Patent: August 22, 2023Assignee: SHOWA DENKO K.K.Inventors: Sho Tonegawa, Akira Sakawaki, Rimpei Kindaichi
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Patent number: 11733320Abstract: An exemplary controller may include a single clock source configured to generate a single clock signal used to drive one or more components within a plurality of magnetometers and a plurality of differential signal measurement circuits configured to measure current output by a photodetector of each of the plurality of magnetometers.Type: GrantFiled: August 26, 2021Date of Patent: August 22, 2023Assignee: HI LLCInventors: Stephen Garber, Jerry Leung, Ethan Pratt, Hooman Mohseni, Jamu Alford, Dakota Blue Decker, Jeffery Kang Gormley, Michael Henninger, Scott Michael Homan, Teague Lasser, Micah Ledbetter, Scott Jeremy Seidman, Benjamin Siepser
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Patent number: 11733321Abstract: A magnetometer includes: a substrate; a diamond layer on the substrate, in which the diamond layer includes a defect sub-layer including multiple lattice point defects; a microwave field transmitter; an optical source configured to emit light including a first wavelength that excites the multiple lattice point defects from a ground state to an excited state; a photodetector arranged to detect photoluminescence including a second wavelength emitted from the defect sub-layer, in which the first wavelength is different from the second wavelength; and a magnet arranged adjacent to the defect sub-layer.Type: GrantFiled: October 2, 2020Date of Patent: August 22, 2023Assignee: X Development LLCInventor: Emma Louise Rosenfeld
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Patent number: 11733322Abstract: A magnetic field detector for detecting magnetic fields over a broad operational temperature range comprising: a plurality of Josephson junctions connected to each other by superconducting interconnecting paths, wherein the plurality of Josephson junctions are arranged in an array; and wherein the superconducting interconnecting paths connecting the plurality of Josephson junctions in the array are designed to not all have a uniform cross-sectional geometry with respect to each other.Type: GrantFiled: July 5, 2022Date of Patent: August 22, 2023Assignee: United States of America as by the Secretary of the NavyInventors: Sergio A. Montoya, Benjamin J. Taylor, Anna Leese de Escobar, Jenna Jones
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Patent number: 11733323Abstract: Described systems and methods allow the detection and quantitative estimation of changes in the properties of a liquid sample comprising living biological cells, the changes caused by exposure to a target analyte such as a toxin, drug, pesticide, etc. A variable stimulus such as an oscillating magnetic field is applied to the sample, inducing variations in a position or shape of a constituent of the sample. Such variations produce measurable variations in electric and/or optical properties of a sensor, variations which allow a precise quantification of changes due to exposure to the target analyte.Type: GrantFiled: June 12, 2019Date of Patent: August 22, 2023Assignee: Centrul International de BiodinamicaInventors: Eugen Gheorghiu, Mihai S. David, Mihaela Gheorghiu
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Patent number: 11733324Abstract: A magnetic particle imaging system includes a field free region generator and an excited magnetic field generator. The field free region generator generates a field free line with a direction of linear extension of a field free region as a direction of extension. The excited magnetic field generator generates an excited magnetic field in the field free line generated by the field free region generator. The excited magnetic field generator includes a first excited magnetic field generation unit and a second excited magnetic field generation unit. The first excited magnetic field generation unit and the second excited magnetic field generation unit are spaced from each other in the direction of extension of the field free line.Type: GrantFiled: September 24, 2021Date of Patent: August 22, 2023Assignees: MITSUBISHI ELECTRIC CORPORATION, MITSUBISHI ELECTRIC RESEARCH LABORATORIES, INC.Inventors: Kazuki Yamauchi, Chungwei Lin
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Patent number: 11733325Abstract: In a method for control, input magnetic field map data is received. In this case, the input magnetic field map data for at least one magnetic field type in each case describes a magnetic field map for a state that an examination object is in at an initial location in the MR apparatus. In this case, the estimated magnetic field map data for at least one magnetic field type in each case describes at least one magnetic field map for in each case a state that the examination object is in at an alternative location that is different compared to the initial location. Control data is determined by the system control unit, using the estimated magnetic field map data or using the input magnetic field map data and the estimated magnetic field map data. The control data is suitable for controlling the MR apparatus.Type: GrantFiled: February 2, 2022Date of Patent: August 22, 2023Assignee: Siemens Healthcare GmbHInventors: Patrick Liebig, Tom Hilbert
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Patent number: 11733326Abstract: A reconfigurable metamaterial is used to enhance the reception field of a radio frequency (“RF”) coil for use in magnetic resonance imaging (“MRI”). In general, the metamaterial can be a metasurface, which may be flexible, having a periodic array of resonators. Each resonator in the periodic array can be defined as a unit cell of the metamaterial and/or metasurface. The unit cells include a first conductor and a second conductor separated by an insulator layer. The first conductor can be a solid conductor and the second conductor can be a conductive fluid (e.g., a liquid metal, a liquid metal alloy) contained within a microfluidic channel. Varying the volume of conductive fluid in each unit cell adjust the signal enhancement ratio of the metamaterial.Type: GrantFiled: December 23, 2021Date of Patent: August 22, 2023Assignee: THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOISInventors: Yang Zhao, Yun-Sheng Chen, Hanwei Wang
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Patent number: 11733327Abstract: A local coil apparatus for performing a magnetic resonance (MR) scanning on a local part of a subject is provided. The local coil apparatus may include at least one receiving system for receiving the local part. The at least one receiving system may each include an activation member, a receiving member assembly, and a driving mechanism. The receiving member assembly may include one or more receiving members. Each of the one or more receiving members may include a first coil assembly configured to receive MR signals during the MR scanning. The driving mechanism may be physically connected to the one or more receiving members. When the local part is placed on the activation member, the activation member may cause the driving mechanism to drive the receiving member assembly to change from a first configuration to a second configuration to reduce a distance between at least a portion of the first coil assembly and a portion of the local part so that the first coil assembly conforms to the local part.Type: GrantFiled: July 25, 2022Date of Patent: August 22, 2023Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.Inventors: Xiangming Hou, Zidong Wei, Guangzu Xu
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Patent number: 11733328Abstract: A signal analysis circuit for determining whether a supplying-end module of an induction type power supply system receives a modulation signal from a receiving-end module includes a signal receiving circuit, a gain amplifier, a ramp generator, a comparator, a timer and a processor. The signal receiving circuit is configured to obtain a coil signal on a supplying-end coil of the supplying-end module. The gain amplifier is configured to adjust a voltage level of the coil signal to generate an amplification signal. The ramp generator is configured to generate and output a ramp signal. The comparator is configured to compare the amplification signal with the ramp signal to determine a trigger time on which the amplification signal and the ramp signal intersect. The timer is configured to obtain a time data corresponding to the trigger time. The processor is configured to analyze the modulation signal according to the time data.Type: GrantFiled: February 18, 2021Date of Patent: August 22, 2023Assignee: Fu Da Tong Technology Co., Ltd.Inventors: Ming-Chiu Tsai, Chi-Che Chan
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Patent number: 11733329Abstract: A magnetic resonance (MR) apparatus comprises magnet means for generating a main magnetic field in a sample region, encoding means for generating encoding magnetic fields superimposed to the main magnetic field, RF transmitter means for generating MR radiofrequency fields, driver means for operating said encoding means and RF transmitter means to generate superimposed time dependent encoding fields and radiofrequency fields according to an MR sequence for forming images or spectra; and acquisition means for acquiring an MR signal from said object. The magnet means comprise a primary magnetic field source providing a static magnetic field B0 and at least one secondary magnetic field source providing an adjustable magnetic field B?.Type: GrantFiled: August 1, 2021Date of Patent: August 22, 2023Assignees: UNIVERSITAET ZUERICH, ETH ZURICHInventors: David Brunner, Simon Gross, Klaas Pruessmann
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Patent number: 11733330Abstract: The disclosure relates to a magnetic resonance tomography scanner and to a method for operating the magnetic resonance tomography scanner. The method includes determining a B0 field map. The method further includes determining an excitation of the nuclear spins to be achieved and a spectrally selective excitation pulse for transmission by a transmitter by way of an antenna as a function of the B0 field map. In the method, the excitation pulse is configured here to generate the excitation of the nuclear spins to be achieved in the patient. The excitation pulse is then output by way of the antenna.Type: GrantFiled: February 5, 2021Date of Patent: August 22, 2023Assignee: Siemens Healthcare GmbHInventors: David Grodzki, Michael Köhler, Dieter Ritter
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Patent number: 11733331Abstract: A method and a device for performing homonuclear J-coupling spectroscopy on a sample, the method including: a) producing transverse magnetization in the sample by applying an RF excitation pulse at a nuclear magnetic resonance (NMR) frequency; b) after a delay ?, applying a refocusing pulse to the sample; c) performing a step of, applying another refocusing pulse to the sample after a delay 2?, N times, where N ranges from Nmin to Nmax; d) following a final one of the refocusing pulses, acquiring an NMR signal from the sample; and repeating steps a)-c) for different values of N, adjusting ? so that a total time T=2(N+1)? remains constant, where T is a time between a start of the RF excitation pulse and a center or a start of a final one of the NMR signals.Type: GrantFiled: April 15, 2022Date of Patent: August 22, 2023Assignee: SCALAR MAGNETICS, LLCInventor: Stephen Devience
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Patent number: 11733332Abstract: A method of performing personalized neuromodulation on a subject is provided. The method includes acquiring functional magnetic resonance imaging (fMRI) data of a brain of the subject. The method also includes calculating functional connectivity of the brain between a voxel in a subcortical region of the brain and a voxel in a cortical region of the brain, based on the fMRI data. The method also includes identifying a target location in the brain to be targeted by neuromodulation based on the calculated functional connectivity.Type: GrantFiled: December 9, 2020Date of Patent: August 22, 2023Assignee: NOUS Imaging, Inc.Inventors: Chad Sylvester, Deanna Greene, Scott Marek, Scott Norris, Jarod Roland, Evan Gordon, Timothy Laumann, Damien Fair, Kenneth Bruener, Nico Dosenbach
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Patent number: 11733333Abstract: In a method for generating an image data set and a reference image data set: a first raw data set is provided that is acquired with a MR system and that includes measurement signals at read-out points in k-space that lie on a first k-space trajectory; a second raw data set is provided that is acquired with the same MR system and at the same examination object at read-out points that lie on a second, different k-space trajectory that is different from the first k-space trajectory; image data sets are reconstructed from the first raw data set; a reference image data set is reconstructed from the second raw data set; the reference image data set is compared with each image dataset to generate respective similarity values; and an image data set is selected having a greatest similarity value.Type: GrantFiled: November 23, 2020Date of Patent: August 22, 2023Assignee: Siemens Healthcare GmbHInventors: Gregor Koerzdoerfer, Mathias Nittka
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Patent number: 11733334Abstract: A method of magnetic resonance (MR) imaging includes a phantom that is inexpensive to produce and enables simple, practical and fast assessment of image sharpness, in particular for checking image quality of MR imaging with spiral acquisition. The method includes subjecting a phantom, which comprises a volume filled with a bulk of granules of solid material surrounded by a liquid, to an imaging sequence, acquiring MR signals from the phantom, reconstructing an MR image from the acquired MR signals, and deriving a measure of the local image sharpness in two or more different image regions from the MR image, wherein each image region is a representation of a part of the phantom volume.Type: GrantFiled: June 17, 2019Date of Patent: August 22, 2023Assignee: Koninklijke Philips N.V.Inventors: Miha Fuderer, Silke Hey
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Patent number: 11733335Abstract: A method is proposed for recording diagnostic measurement data of a head of an examination object in head imaging via a magnetic resonance device. The method comprises performing an overview scan of the head of the examination object, wherein overview measurement data is acquired in the overview scan and performing various diagnostic scans of the head of the examination object based on the acquired overview measurement data, wherein diagnostic measurement data is acquired in the various diagnostic scans.Type: GrantFiled: August 23, 2021Date of Patent: August 22, 2023Assignees: Siemens Healthcare GmbH, The General Hospital CorporationInventors: Keith Aaron Heberlein, Thomas Witzel
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Patent number: 11733336Abstract: A method a for acquiring magnetic resonance data of an object under examination by means of a magnetic resonance system comprises: in an excitation phase, applying an RF excitation pulse; in a wait phase following the excitation phase, applying at least one first RF refocusing pulse after the applied RF excitation pulse according to a first echo spacing; in an acquisition phase following the wait phase, applying at least two further RF refocusing pulses to generate echo signals according to a second echo spacing, wherein the second echo spacing is smaller than the first echo spacing; and reading out the echo signals generated in the acquisition phase as magnetic resonance data from which image data can be reconstructed, wherein in the wait phase at least two spoiler gradients are switched in the readout direction.Type: GrantFiled: September 27, 2021Date of Patent: August 22, 2023Assignee: Siemens Healthcare GmbHInventors: Nadine Dispenza, Dominik Paul, Mario Zeller
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Patent number: 11733337Abstract: A computing device: compares an anatomical magnetic resonance (MR) image of a patient region and reference anatomical data associated with the region to determine a first transform of a bore anatomical coordinate space of the anatomical MR image to a patient anatomical coordinate space associated with the patient; determines, from the first transform, a second transform of a bore DWMR coordinate space of a DWMR image to a patient DWMR coordinate space associated with the patient, the anatomical and the DWMR images being in respective bore coordinate spaces associated with a bore of an MR device which acquired the anatomical and the DWMR images; transforms, using the second transform, the DWMR image to the patient DWMR coordinate space; and controls a display screen to render the DWMR image, as transformed, according to visual attributes associated with the patient DWMR coordinate space.Type: GrantFiled: June 25, 2019Date of Patent: August 22, 2023Assignee: SYNAPTIVE MEDICAL INC.Inventors: Neil Jeffrey Witcomb, Simon Kenley Alexander
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Patent number: 11733338Abstract: An MRI phantom having an MRI compatible temperature measurement device having an MRI compatible body containing an MRI compatible fluid, wherein the device senses accurate temperature measurement within an MR Scanner environment using image processing of the contrast in signal between the areas of the image around the device and the fluid contained within the body of the device. The MRI Phantom may further include an internal expansion bladder device accomodating internal changes in pressure within the phantom, wherein the internal expansion bladder device includes frames supporting a pair of spaced membranes defining a chamber filled with a compressible gas.Type: GrantFiled: June 17, 2019Date of Patent: August 22, 2023Assignees: PSYCHOLOGY SOFTWARE TOOLS, INC, UNIVERSITY OF PITTSBURGH—OF THE COMMONWEALTH SYSTEM OF HIGHER EDUCATIONInventors: Anthony P. Zuccolotto, John Dzikiy, Leroy K. Basler, Benjamin A. Rodack, Walter Schneider, Sudhir K. Pathak, Michael A. Boss
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Patent number: 11733339Abstract: Provided is a system (10) for remote activation of an emergency radio beacon by a Search and Rescue (SAR) party, the system (10) comprising a controller (12) operatively arranged in signal communication with an emergency radio beacon (14), a positioning module (16) arranged in signal communication with the controller (12) and configured to operatively provide spatial positioning data to the controller (12), and a receiver (18) arranged in signal communication with the controller (12) and configured to operatively receive an activation signal (20). The controller (12) is configured to activate the beacon (14) upon receipt of the activation signal (20) and to provide the spatial positioning data of a potentially lost or distressed party to the beacon (14) for transmission along with an emergency signal (22).Type: GrantFiled: October 15, 2018Date of Patent: August 22, 2023Inventors: Doriette Fransien Harvey, Frederick Harvey
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Patent number: 11733340Abstract: Techniques are disclosed for determining a true bearing angle from an airborne platform to a source of a radar signal. In an embodiment, a grid is generated based on a coarse range to, and angle-of-arrival of, an electromagnetic signal. The grid represents a geographic area thought to contain the emission source. A measured spatial angle is computed for each pulse of the signal received during a data collection interval. Hypothesized spatial angles are computed for a point in each grid box in the grid. A score is generated for each grid point based on the computed hypothesized spatial angles for the grid point and the measured spatial angles. The grid point having the lowest score is identified as a seed location and is used to launch a Nelder-Mead algorithm that converges on a point in the grid. A true bearing angle to the source of a radar angle is computed to the point provided by the Nelder-Mead algorithm.Type: GrantFiled: February 18, 2020Date of Patent: August 22, 2023Assignee: BAE Systems Information and Electronic Systems Integration Inc.Inventor: Richard Schiffmiller
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Patent number: 11733341Abstract: A split architecture is disclosed for determining the location of a wireless device in a heterogeneous wireless communications environment. A detector within the device or another component of the environment receives signals including parameters for a localization signal of the device. The parameters describe known in advance signals within the signals. Additional metadata including each frame start of the signals and assistance data and auxiliary information are also received. The known in advance signals are detected based on the parameters of the localization signal. Samples extracted from the known in advance signals are then processed and compressed and sent with other collect data to a locate server remote from the detector. The location server uses that information as well as similar information about the environment to calculate the location of the device, as well as perform tracking and navigation of the device, and report such results to the environment.Type: GrantFiled: February 3, 2022Date of Patent: August 22, 2023Assignee: QUALCOMM Technologies, Inc.Inventors: Felix Markhovsky, Truman Prevatt, Russ Markhovsky, Michael John Buynak
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Patent number: 11733342Abstract: A method for estimating position of a mobile device which includes receiving, from a network server, observed time difference of arrival (OTDOA) assistance data for a first plurality of cells from a base station almanac (BSA) accessible to the network server. The OTDOA assistance data is stored, within a memory of the mobile device, as a first micro-BSA. A position estimate for the mobile device is determined based upon time difference of arrival (TDOA) measurements associated with an initial subset of the first plurality of cells and initial OTDOA assistance data corresponding to the initial subset of the first plurality of cells. The initial OTDOA assistance data may be generated by the micro-BSA based upon an initial seed estimate.Type: GrantFiled: July 20, 2021Date of Patent: August 22, 2023Assignee: PHY Wireless, LLCInventors: Steven C. Thompson, Raphael Mall, Neal Riedel, Steven J. Caliguri, Zane Rau
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Patent number: 11733343Abstract: A method for associating an address with a fingerprint, according to an aspect of the present invention, comprises the steps of: receiving collected information including an address and a wireless LAN fingerprint; storing the received collected information; filtering multiple pieces of stored collected information according to addresses, on the basis of multiple pieces of collected information for adjacent addresses; and constructing a radio map by using the collected information filtered according to addresses.Type: GrantFiled: January 8, 2019Date of Patent: August 22, 2023Assignee: Korea Advanced Institute of Science and TechnologyInventors: Dongsoo Han, Sungeun Lee
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Patent number: 11733344Abstract: An interference source hunting method of hunting for an interference source of electromagnetic waves while moving between multiple measurement points, includes the steps of acquiring strength information of electromagnetic waves, estimating a distance from the measurement point to the location of the interference source, based on the strength information, calculating a first presence probability that the interference source is present at each position, based on whether a distance from the measurement point to the position is within the distance, updating second presence probabilities acquired in hunting in the past, based on the first presence probabilities, determining a position obtained by moving, by a predetermined distance, the measurement point toward a position with the second presence probability higher than the second presence probability at the measurement point, as a new measurement point, and determining, in a case where a size of an area in which each of the second presence probabilities is greatType: GrantFiled: May 21, 2019Date of Patent: August 22, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kohei Suzaki, Ryo Miyatake, Yusuke Asai, Hiroyuki Shiba
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Patent number: 11733345Abstract: Systems and methods of providing location-based functionality using acoustic location determination techniques are disclosed. For instance, acoustic signals can be received from one or more transmitting devices associated with a real-time locating system. A location of a mobile computing device can be determined based at least in part on the received acoustic signals. One or more actions to perform can be determined based at least in part on a control scheme associated with the real-time locating system and the determined location. The one or more actions can be performed.Type: GrantFiled: January 23, 2019Date of Patent: August 22, 2023Assignee: Sonitor Technologies ASInventors: Terje Aasen, Wilfred Edwin Booij
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Patent number: 11733346Abstract: The apparatus (e.g., a first radar device) may be configured to receive a second radar waveform from a second radar device; determine a transmission timing difference between a transmission time of a first radar waveform and a transmission time of the second radar waveform, where the first radar waveform may be transmitted by the first radar device; and generate a radar point cloud associated with one or more targets based on the received second radar waveform and the determined transmission timing difference. A second radar device may be configured to transmit a second radar waveform; receive, from one or more targets, one or more reflections of the second radar waveform; and transmit, to a first radar device, cooperative radar sensing information regarding the received one or more reflections.Type: GrantFiled: February 24, 2021Date of Patent: August 22, 2023Assignee: QUALCOMM INCORPORATEDInventors: Kapil Gulati, Junyi Li
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Patent number: 11733347Abstract: A method of forming a radar system includes forming a first receive antenna and a first ground plane region by patterning a first conductive layer on a first surface of a first laminate layer of a radar package, forming a transmit antenna and a second ground plane region by patterning a second conductive layer on a second surface of the first laminate layer, forming a second laminate layer of the radar package over the second conductive layer, forming a third conductive layer over the second laminate layer, forming a second receive antenna by patterning the third conductive layer, and attaching a radio frequency integrated circuit chip to the radar package. The radio frequency integrated circuit chip is coupled to the transmit antenna, the first receive antenna, and the second receive antenna. The second surface is opposite the first surface.Type: GrantFiled: February 12, 2021Date of Patent: August 22, 2023Assignee: INFINEON TECHNOLOGIES AGInventors: Saverio Trotta, Reinhard-Wolfgang Jungmaier, Adrian Mikolajczak, Ashutosh Baheti
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Patent number: 11733348Abstract: Phase noise compensation can be performed in a primary radar system, such as in transceiver hardware. A first reflected reception signal can be received, corresponding to a reflection of a first transmission signal from an object, and a first measurement signal can be generated using mixing or correlation of the first reflected reception signal and the first transmission signal. A second measurement signal can be similarly generated from a second transmission signal and a second reflected reception signal. The first and second measurement signals include respective components including complex conjugate representations of each other. The components correspond to interfering components associated with phase noise, and such respective components can cancel each other to suppress phase noise.Type: GrantFiled: May 11, 2018Date of Patent: August 22, 2023Assignee: Symeo GmbHInventors: Martin Vossiek, Michael Gottinger, Peter Gulden
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Patent number: 11733349Abstract: A method of selecting and optimizing a countermeasure for application against a novel, ambiguous, or unresponsive radar threat includes selecting a candidate countermeasure and an initial parameter set and varying at least one of the parameters while the effectiveness of the candidate countermeasure against the radar threat is assessed, for example by a human observer. Embodiments include repeating the process with additional candidate countermeasures. For an unresponsive radar threat, a previously effective countermeasure can be selected as the candidate countermeasure. For an ambiguous radar threat, at least one countermeasure previously verified as effective against a partially matching known threat can be selected as the candidate countermeasure. Correlated parameters can be simultaneously varied.Type: GrantFiled: November 20, 2020Date of Patent: August 22, 2023Assignee: BAE Systems Information and Electronic Systems Integration Inc.Inventors: Scott A Kuzdeba, Brandon P. Hombs, Peter J. Kajenski, Daniel Massar
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Patent number: 11733350Abstract: There is provided an object identification apparatus for identifying a stationary object and a moving object. The object identification apparatus includes a phase difference calculator that calculates phase difference information between a transmission signal and a reception signal obtained by reflecting, by surfaces of the moving object and the stationary object in a space, the transmission signal emitted to the space and receiving the reflected transmission signal, a distance calculator that calculates distance information using the phase difference information, a distance information separator that separates the distance information into moving object distance information as distance information about the moving object and stationary object distance information as distance information about the stationary object, and an identifier that identifies the stationary object and the moving object based on the stationary object distance information and the moving object distance information.Type: GrantFiled: January 25, 2018Date of Patent: August 22, 2023Assignee: NEC CORPORATIONInventors: Daisuke Matsuo, Akihiko Sugiyama, Kazumine Ogura, Shingo Yamanouchi, Masayuki Ariyoshi
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Patent number: 11733351Abstract: A computer-implemented method is provided for detecting a target amidst clutter by a radar system able to transmit an electromagnetic signal, receive first and second echoes respectively from the target and the clutter, and process the echoes. The method includes determining signal convolution matrix for the target and a target return phase, clutter amplitude by spatial correlation matrix of clutter, clutter correlation matrix, receive noise power; querying whether the clutter moves as a motion condition if satisfied and as a stationary condition otherwise; calculating signal convolution matrix and target return phase from the signal convolution matrix and the target return phase for target motion; querying whether the target has range migration as a migration condition if satisfied and as a non-migration condition otherwise; and forming a target detector for the radar.Type: GrantFiled: June 30, 2020Date of Patent: August 22, 2023Assignee: United States of Americ, as represented by the Secretary of the NavyInventor: Terry Lee Foreman
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Patent number: 11733352Abstract: A MIMO radar system.Type: GrantFiled: February 12, 2021Date of Patent: August 22, 2023Assignee: ROBERT BOSCH GMBHInventors: Gor Hakobyan, Markus Gonser
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Patent number: 11733353Abstract: Embodiments include a method for object detection in a Light Detection And Ranging (LiDAR) point cloud, the method comprising: placing, by a navigation system, a plurality of anchor points in a two-dimensional Bird's Eye View (BEV) of spatial points represented in a segmented ground surface representation of objects detected by a LiDAR system; extracting, by the navigation system, one or more features from the two-dimensional BEV of the spatial points; proposing, by the navigation system, one or more regions of the two-dimensional BEV of the spatial points for object detection; and performing, by the navigation system, object detections on anchor points of the plurality of anchor points in the proposed one or more regions of the two-dimensional BEV of the spatial points.Type: GrantFiled: February 4, 2020Date of Patent: August 22, 2023Assignee: NIO Technology (Anhui) Co., Ltd.Inventors: Arun C S Kumar, Disha Ahuja, Ashwath Aithal
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Patent number: 11733354Abstract: 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.Type: GrantFiled: February 22, 2021Date of Patent: August 22, 2023Assignee: Zoox, Inc.Inventors: Turhan Karadeniz, Subasingha Shaminda Subasingha, Ravi Sankar Mahankali, Denis Nikitin
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Patent number: 11733355Abstract: An optical sensor module for time-of-flight measurement comprises an optical emitter, a main detector and a reference detector which are arranged in or on a carrier. An opaque housing of the optical sensor module has a first chamber and a second chamber which are separated by a light barrier. The housing has a cover section and is arranged on the carrier such that the optical emitter is located inside the first chamber, the main detector is located inside the second chamber and the reference detector is located outside the first chamber. Furthermore, a main surface of the cover section is positioned opposite the carrier. The optical emitter is arranged and configured to emit light through a first aperture in the cover section, and the main detector is arranged and configured to detect light entering the second chamber through a second aperture in the cover section.Type: GrantFiled: August 24, 2017Date of Patent: August 22, 2023Assignee: AMS AGInventors: Robert Kappel, Mario Manninger, Todd Bishop
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Patent number: 11733356Abstract: A sensor apparatus includes a cylindrical sensor window defining an axis oriented vertically and a ramp. The sensor window includes an exterior surface facing radially outward relative to the axis. The ramp is on the exterior surface of the sensor window. The ramp includes a leading surface and a trailing surface. The leading surface and the trailing surface are elongated parallel to the axis.Type: GrantFiled: August 14, 2020Date of Patent: August 22, 2023Assignee: Ford Global Technologies, LLCInventors: Venkatesh Krishnan, Segundo Baldovino, Navvab Khajehosseini, Rashaun Phinisee, Vigidharan Ramanathan, Sunil Reddy Patil
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Patent number: 11733357Abstract: A 3-dimensional measuring device includes: a light source unit; a projection optical system; a scanning mirror that is provided to be rotatable about a rotating shaft in a state of being inclined with respect to a shaft center of the rotating shaft to radiate a range-finding light within a plane crossing the rotating shaft in a rotary manner; a light-receiving optical system that receives a reflection range-finding light; a reference light optical system that is provided in a range outside a measuring range within a radiation range to receive and reflect the range-finding light as an internal reference light, the reference light optical system being capable of changing a light quantity of the internal reference light; and a light receiving element that receives the reflection range-finding light and the internal reference light.Type: GrantFiled: October 28, 2022Date of Patent: August 22, 2023Assignee: TOPCON CORPORATIONInventors: Yasushi Tanaka, Takaaki Saito, Ken'ichiro Yoshino, Mitsuru Kanokogi
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Patent number: 11733358Abstract: An electronic circuit comprises at least one radiation-emitting element (2), a current regulator (12) with a current-producing terminal (O), and a measurement element (14) generating a signal (Vmes) that is representative of the current flowing therethrough. A switch (6) is controlled by a modulation signal (M) so as to open and close, successively, an electrical path passing through the current-producing terminal (O), the radiation-emitting element (2) and the measurement element (14). A conversion circuit (16) is further interposed between the measurement element (14) and the current regulator (12) so as to transform the representative signal (Vmes) into a smoothed signal (S) that is intended for a regulation terminal (Reg). A time-of-flight sensor comprising such an electronic circuit is also provided.Type: GrantFiled: September 18, 2017Date of Patent: August 22, 2023Assignee: VALEO COMFORT AND DRIVING ASSISTANCEInventors: Jérôme Couillault, Peter Gratzl
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Patent number: 11733359Abstract: Optical sensing apparatus includes at least one semiconductor substrate and a first array of single-photon detectors, which are disposed on the at least one semiconductor substrate, and second array of counters, which are disposed on the at least one semiconductor substrate and are configured to count electrical pulses output by the single-photon detectors. Routing and aggregation logic is configured, in response to a control signal, to connect the single-photon detectors to the counters in a first mode in which each of at least some of the counters aggregates and counts the electrical pulses output by a respective first group of one or more of the single-photon detectors, and in a second mode in which each of the at least some of the counters aggregates and counts the electrical pulses output by a respective second group of two or more of the single-photon detectors.Type: GrantFiled: October 26, 2020Date of Patent: August 22, 2023Assignee: APPLE INC.Inventors: Nadav Fine, Amir Nevet, Oz Barak
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Patent number: 11733360Abstract: A time of flight (ToF) system comprises three photoemitters, a photosensor, and a controller. The first photoemitter transmits light onto objects at first height, the second photoemitter onto objects at second, lower height, and the third photoemitter onto objects at third, lowest height. The controller causes one of the photoemitters to transmit modulated light and the photosensor to receive reflections from the scene. The controller determines a depth map for the corresponding height based on phase differences between the transmitted and reflected light. In some examples, the ToF system is included in an autonomous robot's navigation system. The navigation system identifies overhanging objects at the robot's top from the depth map at the first height, obstacles in the navigation route from the depth map at the second height, and cliffs and drop-offs in the ground surface in front of the robot from the depth map at the third height.Type: GrantFiled: October 24, 2019Date of Patent: August 22, 2023Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Yichang Wang, Karthik Rajagopal Ganapathy, Raja Reddy Patukuri
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Patent number: 11733361Abstract: A light detection and ranging (LIDAR) apparatus includes optical source configured to emit a laser beam in a first direction, a polarization wave plate configured to transform polarization state of the laser beam headed in the first direction toward a target environment, and a reflective optical component to return a portion of the laser beam toward the optical source along a return path and through the polarization wave plate as a local oscillator signal. A polarization selective component to separate light in the return path based on the optical polarization, wherein the polarization selective component refracts orthogonally polarized light along the return path to a divergent path, wherein the polarization selective component is further configured to enable interference between the local oscillator signal and the target signal to generate a combined signal.Type: GrantFiled: September 6, 2018Date of Patent: August 22, 2023Assignee: Aeva, Inc.Inventors: Omer P. Kocaoglu, Neal N. Oza, Keith Gagne, Mina Rezk
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Patent number: 11733362Abstract: A distance-measuring apparatus includes an optical window incorporating a first polarizing filter that polarizes reference light and a second polarizing filter that polarizes incident light in a direction inclined at 90 degrees relative to a polarization direction of the first polarizing filter.Type: GrantFiled: April 16, 2019Date of Patent: August 22, 2023Assignee: FANUC CORPORATIONInventors: Yuuki Takahashi, Atsushi Watanabe, Minoru Nakamura
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Patent number: 11733363Abstract: Programmable ultrasound probes and methods of operation are described. The ultrasound probe may include memory storing parameter data and may also include a parameter loader which loads the parameter data into programmable circuitry of the ultrasound probe. In some instances, the ultrasound probe may include circuitry grouped into modules which may be repeatable and which may be coupled together to allow data to be exchanged between the modules.Type: GrantFiled: August 30, 2021Date of Patent: August 22, 2023Assignee: BFLY Operations, IncInventors: Tyler S. Ralston, Andrew J. Casper, Nevada J. Sanchez
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Patent number: 11733364Abstract: Backend components for noise radar and techniques for operation of those components are provided. Some embodiments include noise radar apparatuses. A noise radar apparatus may include a first unit that generates a random signal or a broadband noise signal using asynchronous logic gates constituting the first unit. The noise radar apparatus also may include a second unit that generates a reference sequence using the generated random signal or the generated broadband noise signal. The second unit comprises at least one tapped delay line formed by second asynchronous logic gates having sampling functionality and storage functionality. The noise radar apparatus may further include a third unit that receives a return signal correlates the return signal and the reference sequence in nearly real-time using third asynchronous logic gates constituting the third unit.Type: GrantFiled: May 21, 2021Date of Patent: August 22, 2023Assignees: Kratos SRE, Inc., The University of Alabama in HuntsvilleInventors: Seth D. Cohen, Aubrey Beal
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Patent number: 11733365Abstract: A radar system for a vehicle. The radar system has at least one central control unit for transmitting data and for processing received data, at least one radar sensor head, which is set apart from the central control unit and has at least one transmitting antenna for generating and at least one receiving antenna for receiving radar waves, and having at least one data line between the at least one central control unit and the at least one radar sensor head, with the at least one central control unit having a clock pulse generator for generating a reference frequency and the reference frequency being transmittable via the at least one data line to the at least one radar sensor head.Type: GrantFiled: November 8, 2018Date of Patent: August 22, 2023Assignee: ROBERT BOSCH GMBHInventors: Marcel Mayer, Michael Schoor