Patents Examined by Dac V. Ha
  • Patent number: 11962337
    Abstract: A wireless transmission system includes a transmitter antenna configured to transmit AC wireless signals to the at least one antenna, the AC wireless signals including wireless power signals and wireless data signals, the transmitter antenna including a source coil and an internal repeater coil. The system further includes at least one sensor configured to detect electrical information associated with the electrical characteristics of the AC wireless signals at one of the source coil or the internal repeater coil. A demodulation circuit is configured to receive the electrical information from the at least one sensor at the internal repeater coil, detect a change in the electrical information, (iii) determine if the change in the electrical information meets or exceeds one of a rise threshold or a fall threshold, if the change exceeds one of the rise threshold or the fall threshold, generate an alert, and output a plurality of data alerts.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: April 16, 2024
    Assignee: NuCurrent, Inc.
    Inventors: Alireza Dayerizadeh, Anna Oleksiewicz, Michael Katz, Alberto Peralta
  • Patent number: 11962378
    Abstract: There is provided mechanisms for polarized reception of reference signals. A method is performed by a terminal device. The terminal device is equipped with an antenna array having dual-polarized antenna elements. The antenna array is connected to a baseband chain in the terminal device. The method comprises receiving, during a beam management procedure with a TRP, two reference signals transmitted in one OFDM symbol each from the same TRP port within a slot. The two reference signals are received using a filter with a first polarization for a first of the two reference signals and with a second polarization for a second of the two reference signals. The second polarization is orthogonal to the first polarization.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: April 16, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Sven Petersson, Andreas Nilsson
  • Patent number: 11956316
    Abstract: A vehicle-mounted apparatus is a vehicle-mounted apparatus mounted in a vehicle, and includes a measuring unit that measures characteristics of a transmission line in a vehicle-mounted network mounted in the vehicle, and an identifying unit that identifies the transmission line based on the characteristics measured by the measuring unit.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: April 9, 2024
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Toshihiro Ichimaru
  • Patent number: 11956343
    Abstract: A method for reception of a signal by a subscriber of a real-time network. The signal includes a signal clock having a signal clock frequency and the subscriber includes a counter, which has a counter clock with a counter clock frequency and which maps a local time of the subscriber. The method includes sampling the signal with a reception clock of a reception counter of the subscriber, the reception clock being derived from the counter clock, whereby the reception counter maps the local time of the subscriber, adapting a phase position of the reception clock to a phase position of the signal clock when said reception clock is derived from the counter clock, and sampling the signal at a reception clock frequency of the reception counter.
    Type: Grant
    Filed: June 30, 2022
    Date of Patent: April 9, 2024
    Assignee: B&R INDUSTRIAL AUTOMATION GMBH
    Inventors: Horst Weber, Franz Meisl
  • Patent number: 11956104
    Abstract: Millimeter-wave (mmWave) and sub-mmWave technology, apparatuses, and methods that relate to transceivers and receivers for wireless communications are described. The various aspects include an apparatus of a communication device including one or more antennas configured to receive an RF signal and an ADC system. The ADC system includes a 1-bit ADC configured to receive the RF signal, and an ADC controller circuitry configured to measure a number of positive samples in the received RF signal for a plurality of thresholds of the 1-bit ADC, estimate receive signal power associated with the received RF signal based on the measured number of positive samples, determine a direct current (DC) offset in the received RF signal using the estimated received signal power, and adjust the received RF signal based on the determined DC offset.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: April 9, 2024
    Assignee: Intel Corporation
    Inventors: Oner Orhan, Hosein Nikopour, Mehnaz Rahman, Ivan Simoes Gaspar, Shilpa Talwar, Stefano Pellerano, Claudio Da Silva, Namyoon Lee, Yo Seb Jeon, Eren Sasoglu
  • Patent number: 11949769
    Abstract: Embodiments disclosed herein relate to improving a power output of a transmitter of an electronic device. To do so, the transmitter may include signal selection circuitry to adjust a sign selection signal to accurately transition between polarities of a quadrature (e.g., I or Q) component signal stored in or for which an indication is stored in a storage cell of a radio frequency digital-to-analog converter. The sign selection signal may generate a separate adjusted sign selection signal for each polarity of each quadrature component signal such that a transition of the selection signal between a first value and a second value (e.g., logic high and low) occurs when the respective quadrature (e.g., +/? and I/Q) component signal is a logic low. In this way, the signal selection circuitry reduces an error pulse in the output of the transmitter.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: April 2, 2024
    Assignee: Apple Inc.
    Inventors: Voravit Vorapipat, Morteza Nick, Krishna Chaitanya Reddy Gangavaram, Antonio Passamani
  • Patent number: 11943083
    Abstract: Methods, PHYs, and computer-readable media are provided for reliably receiving data at a physical layer transceiver of an automobile in the presence of noise or interference. A non-equalized signal is received at a physical layer transceiver via a communication channel in a high noise or interference automotive environment.
    Type: Grant
    Filed: February 22, 2022
    Date of Patent: March 26, 2024
    Assignee: Marvell Asia Pte Ltd
    Inventors: Shaoan Dai, Wensheng Sun, Xing Wu
  • Patent number: 11936355
    Abstract: A filter allows a transmission signal in a predetermined frequency band to pass from a second input-output terminal to a first input-output terminal and allows a reception signal in the predetermined frequency band to pass from the first input-output terminal to the second input-output terminal. A first common terminal of a first switch is connected to the second input-output terminal. A second terminal and a first terminal of the first switch are exclusively connectable to the first common terminal. A second common terminal of a second switch is connected to a ground terminal of the filter. A second selection terminal and a first selection terminal of the second switch are exclusively connected to the second common terminal. Of the first selection terminal and the second selection terminal, only the first selection terminal is connected to a ground with a reactive element interposed therebetween.
    Type: Grant
    Filed: October 27, 2021
    Date of Patent: March 19, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Shou Matsumoto
  • Patent number: 11936420
    Abstract: An ultra-wideband (“UWB”) communication system comprising a transmitter and a receiver. In one embodiment, the symbol mapper circuit in the transmitter is adapted, in a first mode, to develop symbols having the number of pulses as currently defined in the 4z Standard; and, in a second mode, to develop symbols having fewer pulses than as currently defined in the 4z Standard. In an optional third mode, each data bit is mapped to a single pulse.
    Type: Grant
    Filed: February 1, 2022
    Date of Patent: March 19, 2024
    Assignee: Deca Wave, Ltd.
    Inventor: Michael McLaughlin
  • Patent number: 11930461
    Abstract: Techniques and systems for extending the capture range of frequency offset error detection are described. For instance, the present disclose describes efficient frequency estimation structures (e.g., zero crossing minimum/maximum (min/max) structures) that may extend carrier frequency offset error capture range by running a bank (e.g., a set) of parallel capture range structures trialing different frequency errors. In some aspects, a set of frequency offset estimation circuits and a set of correlation circuits (e.g., 1-bit correlators) may be used on parallel streams to perform correlation operations on each branch of a received bit stream to determine correlations with known preamble patterns (e.g., to accurately estimate large frequency offset errors).
    Type: Grant
    Filed: July 15, 2022
    Date of Patent: March 12, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Farshid Nowshadi, Jacob Christopher Sharpe
  • Patent number: 11929777
    Abstract: A time synchronization method and apparatus includes determining a time difference between reference time and system time of an artificial intelligence device, where the reference time is timed by an internal clock of the artificial intelligence device and is aligned based on a satellite timing signal, or the reference time is timed by an internal clock of the artificial intelligence device; and adjusting the system time based on a preset step value if the time difference is greater than a preset value.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: March 12, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Xiaolin Jia
  • Patent number: 11923931
    Abstract: A system and method are described for distributed antenna wireless communications.
    Type: Grant
    Filed: May 8, 2023
    Date of Patent: March 5, 2024
    Assignee: REARDEN, LLC
    Inventors: Antonio Forenza, Stephen G. Perlman
  • Patent number: 11902057
    Abstract: Decision feedback equalization (DFE) taps and related apparatuses and methods are disclosed. An apparatus includes a first electrically controllable switch, a second electrically controllable switch, and one or more delay elements. The first electrically controllable switch receives a history bit and selectively provides the history bit to gate terminals of first transistors of a DFE tap circuitry. The second electrically controllable switch receives a complementary history bit and selectively provides the complementary history bit to second gate terminals of second transistors of the DFE tap circuitry. The one or more delay elements provide one or more delayed data integration clock signals responsive to one or more data integration clock signals. A complementary delayed data integration clock signal controls switching of the first electrically controllable switch and the second electrically controllable switch.
    Type: Grant
    Filed: November 23, 2021
    Date of Patent: February 13, 2024
    Assignee: Microchip Technology Incorporated
    Inventor: Ravish Soni
  • Patent number: 11899092
    Abstract: Method for determining a first virtual frequency switching time between a first frequency of a first signal emitted by a first object having a first phase progression and a first further frequency of a first further signal emitted from the first object. First virtual frequency switching time is determined as a time at which, at a second object, the phase relationship between an interpolated or received phase position of the first signal and an interpolated or received phase position of the first further signal corresponds to a first phase relationship between the first further phase progression and first phase progression.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: February 13, 2024
    Assignee: LAMBDA:4 ENTWICKLUNGEN GMBH
    Inventor: Rönne Reimann
  • Patent number: 11901925
    Abstract: Transceiver circuitry in an integrated circuit device includes a receive path including an analog front end for receiving analog signals from an analog transmission path and conditioning the analog signals, and an analog-to-digital converter configured to convert the conditioned analog signals into received digital signals for delivery to functional circuitry, and a transmit path including a digital front end configured to accept digital signals from the functional circuitry and to condition the accepted digital signals, and a digital-to-analog converter configured to convert the conditioned digital signals into analog signals for transmission onto the analog transmission path. At least one of the analog front end and the digital front end introduces distortion and outputs a distorted conditioned signal.
    Type: Grant
    Filed: July 20, 2022
    Date of Patent: February 13, 2024
    Assignee: Marvell Asia Pte Ltd
    Inventors: Ray Luan Nguyen, Benjamin Tomas Reyes, Geoffrey Hatcher, Stephen Jantzi
  • Patent number: 11902061
    Abstract: A reception device for receiving a data signal representing a data value 0 or 1. The reception device includes an equalizer circuit and a control circuit. The equalizer circuit outputs an output value representing a result obtained by comparing a voltage based on the received data signal and a first voltage as a reference, at each clock timing corresponding to the data signal. The control circuit is connected to the equalizer circuit. The control circuit changes, before the data signal is received, a tap coefficient related to a characteristic of the equalizer circuit in a state in which a second voltage different from the first voltage, instead of the voltage of the data signal, is supplied to the equalizer circuit, to detect an inverted tap coefficient that is the tap coefficient at a boundary where a data value of the output value is inverted. The control circuit sets the inverted tap coefficient to the equalizer circuit at a time of receiving the data signal.
    Type: Grant
    Filed: June 15, 2022
    Date of Patent: February 13, 2024
    Assignee: Kioxia Corporation
    Inventor: Shinichi Ikeda
  • Patent number: 11888659
    Abstract: There is described an RFID IC, comprising: i) an RFID interface configured to receive a digitally modulated signal, wherein the digitally modulated signal comprises: a first slot with a first pulse, and a second slot with a second pulse; and ii) a processing unit configured to a) determine a first position of the first pulse in the first slot, b) filter a region that follows the determined first position of the first pulse, c) determine a second position of the second pulse in the second slot, and, if the second position of the second pulse cannot be determined in the second slot, assume that the second position of the second pulse in the second slot is at the filtered region.
    Type: Grant
    Filed: August 5, 2022
    Date of Patent: January 30, 2024
    Assignee: NXP B.V.
    Inventors: Christian Weidinger, Heinz Umfahrer
  • Patent number: 11888539
    Abstract: The present technology provides solutions that enable accurate measuring of frequency response on a network (e.g., cable network, fiber optic network) through frequency sweep testing. In various embodiments, the present technology provides a remote transmitter test unit that can be physically deployed at various points in a network. The present technology provides for on demand sweep testing. A remote transmitter test unit or headend test unit can periodically transmit a query message and, based on a response to the query message, can initiate a sweep test. The present technology provides for automatic generation of a sweep profile for a sweep test. Based on an analysis of a frequency spectrum on a network, the sweep profile provides parameters for conducting a sweep test. The present technology provides for Orthogonal Frequency-Division Multiplexing (OFDM) table generation and OFDM sweep testing.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: January 30, 2024
    Assignee: VeEX Inc.
    Inventors: Christopher C. Collins, Charles J. Kiss, Jr., Michael Collins, Thomas R. Morley
  • Patent number: 11881889
    Abstract: Embodiments provide a method for generating a hopping pattern for transmitting a plurality of sub-data packets in a communication system. The method has a step of deriving a hopping pattern from a binary sequence, wherein an autocorrelation function of the binary sequence has autocorrelation side maximums with a predetermined maximum value. The method further has a step of determining a maximum sub-data packet length for the plurality of sub-data packets in dependence on a total emission duration of the plurality of sub-data packets indicated by the hopping pattern, and a minimum value of a difference sequence of a sorted difference number series derived from the binary sequence.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: January 23, 2024
    Assignees: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V., DIEHL METERING GMBH
    Inventors: Gerd Kilian, Josef Bernhard, Johannes Wechsler, Jakob Kneissl, Raimund Meyer, Frank Obernosterer, Thomas Kauppert, Hristo Petkov
  • Patent number: 11870486
    Abstract: Systems and methods for data transmission within the ultra-wideband ranging protocol include a first UWB device which determines a transmission block comprising a plurality of rounds each representing a period of time. The first UWB device performs a first wireless communication to perform ranging between the first UWB device and a second UWB device, within a first round of the plurality of rounds. The first UWB device may perform a second wireless communication to communicate data between the first UWB device and the second UWB device, which may be within the first round or a second round.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: January 9, 2024
    Assignee: Meta Platforms Technologies, LLC
    Inventors: Carlos Horacio Aldana, Carlos Bocanegra Guerra, Abhishek Kumar Agrawal, Qiyue Zou