Patents Examined by Vladimir Magloire
  • Patent number: 11567168
    Abstract: A radar system comprises a transmitter and a receiver. The radar system is operable to define a near range and a far range. The radar system is operable to, during each one of a plurality of time intervals, repeatedly transmit, via the transmitter, a plurality of OFDM symbols. The transmitter is operable to select a transmit power for the transmission during the one of the time intervals based on from which of the near range and the far range reflections of the OFDM symbols are to be received during the one of the time intervals. The receiver is operable to receive reflections of the OFDM symbols, and process, in the receiver, the reflections of the OFDM symbols to detect objects within the near range and the far range.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: January 31, 2023
    Assignee: MaxLinear, Inc.
    Inventor: Curtis Ling
  • Patent number: 11567192
    Abstract: Disclosed is a radar for a vehicle configured to detect objects around a vehicle using an antenna, and the radar includes a substrate-integrated waveguide (SIW) in which a plurality of bent slots is formed, at least one processor electrically connected to the substrate-integrated waveguide, and a differential line electrically connecting the substrate-integrated waveguide to the at least one processor.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: January 31, 2023
    Assignee: LG Electronics Inc.
    Inventor: Sungjoo Kim
  • Patent number: 11555914
    Abstract: Disclosed is a compact integrated apparatus of an interferometric radar altimeter (IRA) and a radar altimeter (RA) capable of performing individual missions by altitude, which includes: a plurality of antennas; a signal processing control unit selecting an RA mode at a low altitude and selecting an IRA mode at a high altitude based on a mode threshold and selecting an FMCW waveform at the low altitude and selecting an FM pulse waveform at the high altitude based on a waveform threshold; and a transceiving unit transmitting a signal by a first antenna positioned at an outermost portion among the plurality of antennas and receiving a signal by an nth antenna positioned at another outermost portion among the plurality of antennas in the RA mode and transmitting a signal through the first antenna and receiving signals through the plurality of antennas in the IRA mode.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: January 17, 2023
    Inventors: Jong Soo Ha, Soo Ji Lee, Seok Woo Lee, Jong Hun Jang, Han Jin Lee, Young Sik Park, Jin Eep Roh, Wan Joo Kim
  • Patent number: 11550029
    Abstract: Delay calibration for digital signal chains of SFCW systems is disclosed. An example calibration method includes receiving a burst with a test pulse, the burst having a duration of L clock cycles; receiving a trigger indicative of a time when the burst was transmitted; generating a digital signal indicative of the received burst; for each of L clock cycles, computing a moving average of a subset of digital samples and an amplitude for each average; identifying one moving average for which the computed amplitude is closest to an expected amplitude; identifying the clock cycle of the identified moving average; and updating at least one delay to be applied in digital signal processing of received bursts based on a difference between the trigger and the identified clock cycle. The delay may be used for selecting digital samples of the received signal that contain valid data for performing further data processing.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: January 10, 2023
    Inventors: Vinoth Kumar, Satishchandra G. Rao, Corey Petersen, Madhusudan Rathi, Gerard E. Taylor, Kaustubh Mundhada
  • Patent number: 11544691
    Abstract: A radar system for monitoring shelves in a retail environment, where the system monitors the occupancy of the shelves and/or the dynamics of the customers in front of the shelves. The radar is preferably a wideband 3D imaging MIMO radar.
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: January 3, 2023
    Inventors: Shay Moshe, Albert Jacob, Michael Mendelovich
  • Patent number: 11536822
    Abstract: A radar device includes a first radar and a second radar that are arranged at positions separated from each other, and of which detection ranges are at least partially overlapped; and a detection unit that detects at least one of a moving direction and a velocity vector of a reflection point existing in an overlapped portion of the detection ranges, based on a first detection result of the first radar and a second detection result of the second radar.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: December 27, 2022
    Inventor: Kazuki Hiramoto
  • Patent number: 11525889
    Abstract: A non-contact method for detecting and distinguishing a human and an animal based on IR-UWB bio-radar signals includes: step 1, transmitting a radar pulse to a target by a transmitting antenna of an IR-UWB bio-radar; and obtaining, by a receiving antenna of the IR-UWB bio-radar, a radar echo signal E(n,m) generated from the radar pulse reflected on the target; step 2: performing signal preprocessing on the radar echo signal E(n,m) obtained in step 1, to obtain a first energy signal E6(l); step 3: removing a direct wave from E6(l) obtained in step 2 to obtain a second energy signal E7(l), and obtaining a maximum amplitude E7max of E7(l) and a position lmax corresponding to the maximum amplitude in a slow time direction; step 4: calculating a peak-to-background ratio VEtoB of E7(l), calculating an average correlation coefficient rm, and determining a type of the target through a target detection and distinction rule.
    Type: Grant
    Filed: December 23, 2020
    Date of Patent: December 13, 2022
    Inventors: Yang Zhang, Jianqi Wang, Fulai Liang, Zhao Li, Hao Lv, Ziqi Zhang, Xiao Yu, Huijun Xue, Teng Jiao
  • Patent number: 11520035
    Abstract: Techniques for determining coherency between composite images having phase and amplitude components are disclosed. The coherency can be determined based on the amplitude components of the images, by providing first and second amplitude images indicative of amplitude values of pixels of a respective first and second composite images, applying to each of the first and second amplitude images a first directional derivative operator and a second directional derivative operator, thereby generating for each of the amplitude images respective first directional derivative image and second directional derivative image thereof, and generating a first coherency map based at least on the directional derivative images of the first and second amplitude images. The first coherency map is indicative of decorrelation between the first and second composite images.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: December 6, 2022
    Assignee: ELTA SYSTEMS LTD.
    Inventor: Michael Abraham
  • Patent number: 11520030
    Abstract: A radar system, apparatus, architecture, and method are provided for generating a mono-static virtual array aperture by using a radar control processing unit to construct a mono-static MIMO virtual array aperture from radar signals transmitted orthogonally from transmit antennas and received at each receive antennas, and to construct a mono-static MIMO forward difference virtual array aperture by performing forward difference co-array processing on the mono-static MIMO virtual array aperture to fill in holes in the mono-static MIMO virtual array aperture, thereby mitigating or suppressing spurious sidelobes caused by gaps or holes in the mono-static MIMO virtual array aperture.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: December 6, 2022
    Assignee: NXP USA, Inc.
    Inventor: Ryan H. Wu
  • Patent number: 11520028
    Abstract: A motion sensing method includes monitoring for a first motion in a first region using a first antenna using a first motion detection parameter, when no first motion is sensed by the monitoring using the first antenna, monitoring for a second motion in a second region using a second antenna using a second motion detection parameter, and when no second motion is sensed by monitoring using the second antenna, designating a space, which encompasses the second region, as unoccupied, wherein the first region and the second region overlap one another, and the first motion detection parameter is different from the second motion detection parameter.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: December 6, 2022
    Assignee: RichWave Technology Corp.
    Inventor: Tse-Peng Chen
  • Patent number: 11513207
    Abstract: Display control devices and methods are provided. Vital functions of a person are detected using a radar circuit, and power consumption of a display is controlled based on the detected vital functions.
    Type: Grant
    Filed: October 1, 2019
    Date of Patent: November 29, 2022
    Assignee: Infineon Technologies AG
    Inventors: Youn Joo Kim, Abhiram Chakraborty
  • Patent number: 11509073
    Abstract: An antenna array apparatus includes: first antenna elements arranged to form a first radiation pattern with a recessed portion at the center of the first radiation pattern; and second antenna elements arranged to form a second radiation pattern with a convex portion at the center of the second radiation pattern.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: November 22, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Artem Yurievich Nikishov, Byung Kwan Kim, Gennadiy Aleksandrovich Evtyushkin, Jong-Sok Kim
  • Patent number: 11500088
    Abstract: A millimeter-wave real-time imaging based safety inspection system and safety inspection method. The safety inspection system includes a conveying device (10), a millimeter wave transceiver module (11), an antenna array (17, 18), a switch array (16a, 16b), a switch control unit (15a, 15b), a quadrature demodulation and data acquisition module (12), and an image display unit (13). By using an Inverse Synthetic Aperture Radar (ISAR) imaging principle, the millimeter-wave real-time imaging based safety inspection system performs real-time imaging on an object to be inspected when the object moves, so that not only the imaging speed is improved, but also the field of view is enlarged. A safety inspector can determine whether an inspected person carries dangerous goods by observing a three-dimensional diagram of the inspected person, thereby eliminating the inconvenience caused by back-and-forth movement of a safety inspection device used by the safety inspector around the inspected person.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: November 15, 2022
    Inventors: Chunchao Qi, Chengyan Jia, Yupeng Li
  • Patent number: 11500083
    Abstract: A method is described for determining the position of a vehicle equipped with a radar system that includes at least one radar sensor adapted to receive radar signals emitted from at least one radar emitter of the radar system and reflected the radar sensor. The method comprises: acquiring at least one radar scan comprising a plurality of radar detection points, wherein each radar detection point is evaluated from a radar signal received at the radar sensor and representing a location in the vicinity of the vehicle; determining, from a database, a predefined map, wherein the map comprises at least one element representing a static landmark in the vicinity of the vehicle; matching at least a subset of the plurality of radar detection points of the at least one scan and the at least one element of the map; deter-mining the position of the vehicle based on the matching.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: November 15, 2022
    Assignee: Aptiv Technologies Limited
    Inventors: Ahmad Pishehvari, Stephanie Lessmann, Uri Iurgel, Lutz Roese-Koerner
  • Patent number: 11486994
    Abstract: A radar apparatus includes a plurality of transmission antennae and a radar transmitter that transmits transmission signals by using the plurality of transmission antennae. In a virtual reception array including a plurality of virtual antennae formed of a plurality of reception antennae and the plurality of transmission antennae, disposition positions of at least two of the virtual antennae are the same as each other, and, transmission intervals of the transmission signals that are sequentially transmitted from transmission antennae corresponding to the at least two virtual antennae among the plurality of transmission antennae are an equal interval.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: November 1, 2022
    Inventors: Takaaki Kishigami, Ryosuke Shiozaki, Hidekuni Yomo, Kenta Iwasa
  • Patent number: 11480668
    Abstract: Embodiments of an access point (AP), station (STA) and method of communication are generally described herein. In a null data packet (NDP) based ranging procedure between a responding STA and an initiating STA that is unassociated with the responding STA, the responding STA may: transmit a broadcast frame that indicates one or more ranging parameters; receive, from the initiating STA, an NDP announcement (NDPA) frame that indicates transmission of a first NDP from the initiating STA; detect the first NDP from the initiating STA; transmit a second NDP for transmission to the initiating STA; and transmit, to the initiating STA, a location measurement report (LMR) that indicates: a reception time of the first NDP at the responding STA, and a transmission time of the second NDP at the responding STA.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: October 25, 2022
    Assignee: Intel Corporation
    Inventors: Feng Jiang, Qinghua Li, Jonathan Segev, Bahareh Sadeghi, Thomas J. Kenney, Xiaogang Chen, Gadi Shor, Po-Kai Huang, Robert J. Stacey, Laurent Cariou
  • Patent number: 11482779
    Abstract: A system is provided comprising: a plurality of receivers; a plurality of antennas; a calibration device coupled to the plurality of receivers; a plurality of antenna paths, each of the antenna paths being arranged to couple a respective one of the plurality of receivers with a respective one of the plurality of antennas; a plurality of first calibration paths, each of the first calibration paths being arranged to couple the calibration device to different respective first pair of the antenna paths; a plurality of second calibration paths, each of the second calibration paths being arranged to couple the calibration device to a different respective second pair of the antenna paths, each second pair of the antenna paths including at least one antenna path in common with any of the first pairs of the antenna paths.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: October 25, 2022
    Assignee: Raytheon Company
    Inventor: David Bates
  • Patent number: 11483912
    Abstract: A global positioning system (GPS) registration tool (GRT) is provided that is configured to register GPS coordinates of a streetlight controller (SLC) during installation of the SLC at a light fixture and store the GPS coordinates of the SLC at the SLC. Related systems, methods and computer program products are also provided.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: October 25, 2022
    Assignee: SELC Ireland Ltd
    Inventors: Francis Joseph Magee, William John Kerrigan, John Power
  • Patent number: 11474229
    Abstract: A method for optimizing the elevational pointing of an antenna of an airborne radar system at an altitude h includes an antenna and processing and calculation means, the method comprising: a. selecting an area of interest b. calculating atmospheric losses Lref at a reference altitude href at the reference range Dref and calculating a reference criterion Kref=?40 log10 (Dref); c. for each possible elevational pointing distance of the antenna Dpt from the area of interest, calculating the antenna elevation S that makes it possible to target the distance Dpt via the centre of the antenna; d. for each distance D from the region of interest, calculating the angle ? at which the antenna observes the point of the ground at the distance D and calculating a criterion; 1. K(D)=Ge(?)+Gr(?)?40 log10 D+Lref(href,Dref)?Latmo(h,D) 2. where Ge(?),Gr(?) are respectively the gains of the antenna that are normalized at emission and at reception; e.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: October 18, 2022
    Assignee: THALES
    Inventor: Rodolphe Cottron
  • Patent number: 11474200
    Abstract: Systems and methods for providing wide field-of-view radar arrays. Quadrature phase-shift keying (QPSK) beam forming reduces side lobes by applying a phase shift to transmitted signals to selected transmitting antennas. Super-hemispherical radar coverage at high gain in both broadside and end-fire directions is provided by beam directing elements mounted to a printed circuit board.
    Type: Grant
    Filed: November 9, 2020
    Date of Patent: October 18, 2022
    Inventors: Naftali Chayat, Yuval Lomnitz, Mark Popov, Damian Hoffman, Alexei Khazan, Rohi Halimi, Harel Golombek, Tom Harel, Orel Ron