Patents Examined by Quochien B. Vuong
  • Patent number: 11546005
    Abstract: Disclosed is a digital radio-frequency transmitter, which includes a digital logic mixer, a digital power amplifier and an antenna, wherein an output terminal of the digital logic mixer is connected with an input terminal of the digital power amplifier; an output terminal of the digital power amplifier is connected to the antenna; the digital logic mixer is configured to perform logic mixing on baseband data and a radio-frequency local oscillator clock signal which are input into the digital radio-frequency transmitter to generate radio-frequency data; the digital power amplifier is configured to convert the radio-frequency data into an analog power signal; and the antenna is configured to transmit the analog power signal out. According to the digital radio-frequency transmitter of the present application, the circuit layout area and the circuit operation consumption can be effectively reduced.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: January 3, 2023
    Assignee: Shenzhen Giant Microelectronics Company Limited
    Inventors: Hui Shao, Lefeng Shen, Shaohua Zhao, Weimin Zhang
  • Patent number: 11546003
    Abstract: A radio frequency module includes: a module substrate including a first principal surface and a second principal surface opposite to each other; a plurality of external-connection terminals (e.g., a plurality of post electrodes) disposed on the second principal surface; a semiconductor component disposed on the second principal surface and including a first low-noise amplifier and/or a second low-noise amplifier; and a metal member set at a ground potential and covering at least part of a surface of the semiconductor component, the surface being opposite to a surface that faces the module substrate.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: January 3, 2023
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Hiroshi Nishikawa
  • Patent number: 11538774
    Abstract: A wireless transmission module, chips, a passive component, and a coil are integrated into an integral structure, so that an integration level of the wireless transmission module is improved. In addition, the integral structure can effectively implement independence of the module, and the independent module can be flexibly arranged inside structural design of an electronic device, and does not need to be disposed on a mainboard of the electronic device. Only an input terminal of the wireless transmission module needs to be retained on the mainboard of the electronic device. In addition, the integral structure can further effectively increase a capability of a product for working continuously and normally in an extremely harsh scenario, and improve product reliability. In addition, in the structure of the wireless transmission module, the chips and the coil are integrated, and signal transmission paths between the chips and the coil are relatively short.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: December 27, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Qijing He, Xiaojing Liao, Zhaozheng Hou
  • Patent number: 11539382
    Abstract: Methods and devices to support multiple frequency bands in radio frequency (RF) circuits are shown. The described methods and devices are based on adjusting the effective width of a transistor in such circuits by selectively disposing matching transistors in parallel with the transistor. The presented devices and methods can be used in RF circuits including low noise amplifiers (LNAs), RF receiver front-ends or any other RF circuits where input matching to wideband inputs is required.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: December 27, 2022
    Assignee: PSEMI CORPORATION
    Inventors: Parvez Daruwalla, Rong Jiang, Sung Kyu Han, Khushali Shah
  • Patent number: 11533393
    Abstract: A control button decal assembly for enhancing visibility of control buttons on an electronic device includes a set of first decals, a set of second decals and a set of third decals that can each be chosen for positioning on a respective control button on an electronic device. Each of the first decals, the second decals and the third decals is brightly colored to enhance visibility of the respective control button. Each of the first decals, the second decals and the third decals has a color that is unique with respect to each other. In this way the set of first decals, the set of second decals and the set of third decals facilitate the user to have a variety of choices of colors which can be associated with the respective control button.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: December 20, 2022
    Inventor: Kristie Campitelli
  • Patent number: 11528050
    Abstract: The disclosed systems and methods for detecting mirror crosstalk between frequency bands equally above and below the center frequency of a Digital Subcarrier Multiplexing system include: a transmitter configured to insert zero-power symbols on half the frequency bands below center frequency, and insert other zero-power symbols, partially overlapping in time with the first zero-power symbols, on the other half of the frequency bands above center frequency. A receiver zeroes out ASE and other noises during the overlapping portion of all the zero-power symbols, then uses the power detected during the remaining portion of each zero-power symbol in each frequency band to accurately evaluate the mirror crosstalk from the corresponding frequency band on the opposite side of center frequency.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: December 13, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Zhiping Jiang, Xuefeng Tang, Junho Chang
  • Patent number: 11522270
    Abstract: A user equipment (UE) and a method of operating the UE. The UE a display, a cover, a transceiver, and an antenna array. The display partially forms a front surface of the UE. The cover partially forms a side surface of the UE and includes a plurality of electromagnetic strips . The transceiver transmits a signal including a vertical polarization element and a horizontal polarization element. The antenna array is electrically connected with the transceiver and disposed in the space such that, the antenna array is substantially non-overlapped with the cover. The vertical polarization element or the horizontal polarization element is substantially perpendicular to at least one of the plurality of electromagnetic strips.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: December 6, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hamid Reza Memar Zadeh Tehran, Sungchul Park, Gary Xu
  • Patent number: 11516325
    Abstract: An electronic device is disclosed. The electronic device includes a foldable display including a first display portion and a second display portion, a shaft disposed between the first display portion and the second display portion, and at least one camera disposed in a sub-area of the first display portion. The first display portion and the second display portion are configured to rotate about the shaft with respect to each other to fold or unfold the foldable display. The sub-area of the first display portion has a thickness greater a thickness of the electronic device when the foldable display is folded.
    Type: Grant
    Filed: February 23, 2019
    Date of Patent: November 29, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Yuelong Liao, Hung-Yi Huang, Qinghao Jin, Lupeng Yao
  • Patent number: 11496163
    Abstract: A radio frequency circuit includes: a first power amplifier capable of amplifying a first radio frequency signal and a second radio frequency signal each having a different frequency; and a second power amplifier capable of amplifying the second radio frequency signal. In a case where the first radio frequency signal and the second radio frequency signal are simultaneously transmitted, (i) under a condition that a sum of a bandwidth of the first radio frequency signal and a bandwidth of the second radio frequency signal is broader than or equal to a predetermined bandwidth, the first radio frequency signal is amplified by the first power amplifier, and the second radio frequency signal is amplified by the second power amplifier, and (ii) under a condition that the sum is narrower than the predetermined bandwidth, the first radio frequency signal and the second radio frequency signal are amplified by the first power amplifier.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: November 8, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Satoshi Tanaka, Hirotsugu Mori
  • Patent number: 11496168
    Abstract: A radio frequency circuit includes an amplifier capable of amplifying a first radio frequency signal and a second radio frequency signal that has a frequency different from a frequency of the first radio frequency signal. Here, the amplifier uses a first power-supply voltage to amplify one of the first radio frequency signal and the second radio frequency signal and uses a second power-supply voltage to amplify both the first radio frequency signal and the second radio frequency signal together. A value of the second power-supply voltage is greater than a value of the first power-supply voltage.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: November 8, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Satoshi Tanaka, Hirotsugu Mori, Hidenori Obiya, Morio Takeuchi
  • Patent number: 11496170
    Abstract: The present disclosure relates to a method for controlling a device comprising an oscillation circuit, configured to provide a clock signal to a radio frequency circuit, and an antenna, in which the enabling of the passage of the signal from the circuit to the antenna is delayed with respect to an instant from which a power amplifier of the circuit is enabled.
    Type: Grant
    Filed: February 20, 2021
    Date of Patent: November 8, 2022
    Assignees: STMicroelectronics (Alps) SAS, STMicroelectronics S.r.l., STMicroelectronics (Grenoble 2) SAS
    Inventors: Benoit Marchand, Hamilton Emmanuel Querino De Carvalho, Daniele Mangano, Santo Leotta
  • Patent number: 11496169
    Abstract: A radio frequency module includes: a module board including first and second principal surfaces; first and second power amplifiers on the first principal surface; external-connection terminals on the second principal surface; and first and second via conductors connecting the first and second principal surfaces. The first and second via conductors are spaced apart in the module board, one end of the first via conductor is connected to a first ground electrode of the first power amplifier, the other end of the first via conductor is connected to a first external-connection terminal, one end of the second via conductor is connected to a second ground electrode of the second power amplifier, the other end of the second via conductor is connected to a second external-connection terminal, and the first and second via conductors each penetrate through the module board in a direction normal to the first and second principal surfaces.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: November 8, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yukiya Yamaguchi
  • Patent number: 11489536
    Abstract: Input circuitry for an analog-to-digital converter (ADC) is provided. The input circuitry includes a calibration signal source configured to output a calibration signal for the ADC and an analog circuitry configured to receive and process an analog input signal for the ADC. The analog circuitry is further configured to generate a combined signal by combining the analog input signal and the calibration signal. The input circuitry further includes a buffer amplifier coupled to the analog circuitry and configured to supply a buffered signal to the ADC based on the combined signal. Further, the input circuitry includes neutralization circuitry configured to generate, based on the calibration signal, a neutralization signal for mitigating an unwanted signal component related to a limited reverse isolation of the analog circuitry. The neutralization circuitry is further configured to supply the neutralization signal to at least one of an input node and an intermediate node of the analog circuitry.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: November 1, 2022
    Assignee: INTEL CORPORATION
    Inventors: Martin Clara, Daniel Gruber, Giacomo Cascio, Albert Molina
  • Patent number: 11489550
    Abstract: A filtering method and apparatus are provided, and the method includes: performing spectrum shifting on a first signal to obtain a second signal, where the first signal includes a first valid signal band and a first to-be-suppressed signal band, a demarcation point of the first valid signal band and the first to-be-suppressed signal band in the first signal is a first boundary point, the first boundary point corresponds to a second boundary point in the second signal, a frequency of the second boundary point is equal to a frequency of a first side frequency point of the filter, and a frequency range corresponding to the first valid signal band in the second signal falls within a frequency range corresponding to a passband of the filter (S301); and filtering the second signal by using the filter, to obtain the first valid signal band (S302).
    Type: Grant
    Filed: June 9, 2021
    Date of Patent: November 1, 2022
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventor: Haibo Li
  • Patent number: 11483421
    Abstract: A terminal device may include: a housing; a first radiator disposed in the housing and configured to receive and transmit wireless signals; and a conducting layer disposed on an inner surface of a back shell of the housing and coupled with the first radiator to form a second radiator which is configured to receive and transmit the wireless signals.
    Type: Grant
    Filed: July 14, 2020
    Date of Patent: October 25, 2022
    Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
    Inventors: Xiaoying Guo, Linchuan Wang
  • Patent number: 11463117
    Abstract: A radio frequency module includes: a power amplifier; an inductor connected between the power amplifier and a power-supply terminal to supply a power-supply voltage to the power amplifier; a capacitor connected between a ground and a node that is located between the inductor and the power-supply terminal; a module substrate including a first principal surface and a second principal surface opposite to each other; and a plurality of post electrodes disposed on the second principal surface. Here, the inductor is disposed on the first principal surface or inside of the module substrate, and at least one of the power amplifier or the capacitor is disposed on the second principal surface.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: October 4, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Naoya Matsumoto
  • Patent number: 11438019
    Abstract: There is provided mechanisms for mitigating interference in a communications network. A method is performed by a network node. The method comprises obtaining a packet. The packet has been wirelessly received in an uplink direction by a transmission and reception point of the network node and from a packet sender. The packet is indicative of scheduled transmission of a further packet within a predefined time interval from the transmission and reception point has wirelessly received the packet. The method comprises determining beamforming weights such that interference caused by transmission from the transmission and reception point of the network node in a downlink direction being reversed to the uplink direction is less than a threshold interference value. The method comprises initiating transmission in at least one beam using the determined beamforming weights. The beamforming weights are used for the transmission at least within the predefined time interval.
    Type: Grant
    Filed: October 9, 2017
    Date of Patent: September 6, 2022
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Thomas Nilsson, Dzevdan Kapetanovic
  • Patent number: 11431365
    Abstract: A radio frequency module includes: a module board that includes a first principal surface and a second principal surface on opposite sides of the module board; a first power amplifier configured to amplify a transmission signal in a first frequency band; a second power amplifier configured to amplify a transmission signal in a second frequency band different from the first frequency band; and a switch having a first pole connected to an input terminal of the first power amplifier and a second pole connected to an input terminal of the second power amplifier. The first power amplifier and the second power amplifier are disposed on the first principal surface, and the switch is disposed on the second principal surface.
    Type: Grant
    Filed: March 22, 2021
    Date of Patent: August 30, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yukiya Yamaguchi
  • Patent number: 11431371
    Abstract: A radio-frequency module includes an integrated circuit (IC) device and an external inductor provided outside the IC device. The IC device includes a plurality of low-noise amplifiers, one or more inductors, and a switching circuit. The plurality of low-noise amplifiers includes a plurality of transistors in one to one correspondence. The one or more inductors are coupled to one or more of the plurality of transistors. Each inductor is coupled to the emitter or source of a corresponding one of the plurality of transistors. The switching circuit is coupled between the emitter or source of each of the plurality of transistors and the external inductor. The external inductor is coupled between the switching circuit and ground in series with each of the one or more inductors via the switching circuit.
    Type: Grant
    Filed: June 3, 2021
    Date of Patent: August 30, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Daisuke Yoshida
  • Patent number: 11424783
    Abstract: A transceiver includes a radio-frequency (RF) front-end circuit, a dedicated RF front-end circuit, and a switchable matching circuit. The RF front-end circuit deals with communications of at least a first wireless communication standard. The dedicated RF front-end circuit deals with communications of a second wireless communication standard only. The switchable matching circuit is coupled to the RF front-end circuit, the dedicated RF front-end circuit, and a signal port of a chip. The switchable matching circuit provides impedance matching between the signal port and the RF front-end circuit when the RF front-end circuit is in operation, and provides impedance matching between the signal port and the dedicated RF front-end circuit when the dedicated RF front-end circuit is in operation. The RF front-end circuit, the dedicated RF front-end circuit, and the switchable matching circuit are integrated in the chip.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: August 23, 2022
    Assignee: MEDIATEK INC.
    Inventors: Wei-Chia Chan, Tse-Yu Chen, Hui-Hsien Liu, Jui-Lin Hsu, Chun-Wei Lin