Patents Examined by Quochien B. Vuong
  • Patent number: 11984920
    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: March 7, 2023
    Date of Patent: May 14, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Daisuke Yoshida
  • Patent number: 11967978
    Abstract: A radio-frequency circuit is used in simultaneous transfer of a radio-frequency signal of 4G and a radio-frequency signal of 5G, and includes a first transfer circuit that selectively receives the 4G radio-frequency signal or the 5G radio-frequency signal, and transfers a radio-frequency signal of a first communication band including a first transmission band and a first reception band and a radio-frequency signal of a second communication band including a second transmission band and a second reception band. The first and second transmission bands at least partially overlap. The first transfer circuit includes a first power amplifier that amplifies transmission signals of the first and second communication bands, and a first transmission filter that has a first passband including the first and second transmission bands, and passes the transmission signals of the first and second communication bands output from the first power amplifier.
    Type: Grant
    Filed: February 22, 2023
    Date of Patent: April 23, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Atsushi Ono, Satoshi Tanaka, Hirotsugu Mori
  • Patent number: 11967751
    Abstract: An electronic device including a housing, a display, an antenna structure positioned inside the housing, and a wireless communication circuit connected to the antenna structure, is provided. The antenna structure includes a dipole antenna element interposed between s-patch elements not to overlap with s-patch elements.
    Type: Grant
    Filed: June 1, 2021
    Date of Patent: April 23, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seongjin Park, Dongyeon Kim, Hosaeng Kim, Sumin Yun, Myunghun Jeong, Jehun Jong, Jaehoon Jo
  • Patent number: 11961651
    Abstract: In a coil device, a first coil includes a common terminal side first coil conductor connected to a ground terminal, an intermediate first coil conductor, and an input/output terminal side first coil conductor connected to a first input/output terminal, and a second coil includes a common terminal side second coil conductor connected to the ground terminal, an intermediate second coil conductor, and an input/output terminal side second coil conductor connected to a second input/output terminal. The input/output terminal side first coil conductor is located between the intermediate second coil conductor and the input/output terminal side second coil conductor, and the input/output terminal side second coil conductor is located between the intermediate first coil conductor and the input/output terminal side first coil conductor.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: April 16, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Kentaro Mikawa, Hideaki Kobayashi
  • Patent number: 11962339
    Abstract: A radio frequency (RF) unit and a method for RF isolation. The RF unit includes first and second RF couplers, an RF filter, and an RF canceler connected in parallel with the RF filter. The first RF coupler is configured to receive an input signal. The RF filter is configured to receive a first portion of the input signal from the first RF coupler and attenuate frequencies outside of a passband of the RF filter from the first portion of the input signal. The RF canceler is configured to receive a second portion of the input signal from the first RF coupler and generate a cancellation signal from the second portion of the input signal based on a target frequency band of the RF canceler. The second RF coupler is configured to combine the cancellation signal with an output of the RF filter to generate an output signal.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: April 16, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Michael Chen, Khurram Muhammad, Xinguang Xu
  • Patent number: 11962356
    Abstract: A method for a transmission and reception point (TRP) for controlling cross-link interference comprises the steps of: determining a timing advance (TA) value, for measuring or eliminating cross-link interference, in a set subframe if a section in which cross-link interferences occur between the TRP and one or more adjacent TRPs is configured; and transmitting the determined TA value in the set subframe to a terminal, wherein the section in which cross-link interference occurs can correspond to a section that is configured as an uplink section for the TRP, and as a downlink transmission section for the one or more adjacent TRPs.
    Type: Grant
    Filed: April 6, 2022
    Date of Patent: April 16, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Dongkyu Kim, Yunjung Yi
  • Patent number: 11942973
    Abstract: A radio frequency module includes a substrate, a power amplifier that amplifies a transmission signal in a first communication band, a power amplifier that amplifies a transmission signal in a second communication band, and a power amplifier that amplifies a transmission signal in a third communication band. Simultaneous transmission can be performed in a combination of the first communication band and the third communication band. Simultaneous transmission cannot be performed in a combination of the first communication band and the second communication band and a combination of the second communication band and the third communication band. In plan view of the substrate, a distance between the output terminals of the power amplifier and the power amplifier is longer than a distance between the output terminals of the power amplifier and the power amplifier and a distance between the output terminals of the power amplifier and the power amplifier.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: March 26, 2024
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Motoji Tsuda
  • Patent number: 11942980
    Abstract: An apparatus is disclosed, comprising means for determining a noise floor for a radio frequency (RF) system. The apparatus may also comprise means for determining a Passive InterModulation (PIM) value of a component of the RF system contributing as a source of PIM; determining that a passive intermodulation (PIM) cancellation system should be enabled if the PIM value is above a predetermined threshold from the noise floor. The apparatus may also comprise means for determining that the PIM cancellation system should be disabled if the PIM value is at or below the predetermined threshold.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: March 26, 2024
    Assignee: NOKIA SOLUTIONS AND NETWORKS OY
    Inventors: Ramasamy Gopalan, Shavantha Kularatna, Artur Drozdz
  • Patent number: 11943377
    Abstract: A mobile device, such as a mobile phone, including a housing and active cooling cells is described. The active cooling cells are in the housing. The cooling cells utilize vibrational motion to drive a fluid such that the mobile phone has a coefficient of thermal spreading (CTS) greater than 0.5 for a steady-state power generated by the mobile phone of at least five watts.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: March 26, 2024
    Assignee: Frore Systems Inc.
    Inventors: Prabhu Sathyamurthy, Suryaprakash Ganti, Seshagiri Rao Madhavapeddy
  • Patent number: 11942976
    Abstract: Provided are a communication anti-interference detection method and device. The method includes: demodulating an input radio-frequency signal to acquire a demodulated signal; convolving a first signal and a second signal to acquire a detection signal, so as to detect whether there is an interfering signal in the input radio-frequency signal, wherein the first signal is a signal acquired by performing inverse Fourier transform on the demodulated signal, and the second signal is a signal acquired by performing phase inversion on a preset baseband signal; and performing anti-interference processing on an interfered signal, wherein a signal anti-interference method further includes: after deconvolving the interfering detection signal, performing subtraction or inverse superposition on the detection signal and the first signal, and filtering out the interfering signal to acquire a third signal; and modulating the third signal to acquire an output radio-frequency signal.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: March 26, 2024
    Assignee: XI'AN ZHONGXING NEW SOFTWARE CO., LTD.
    Inventor: Lingyun Cai
  • Patent number: 11936800
    Abstract: A case system includes first and second electrical connector assemblies coupled to an exterior side of a recess of a base of a rear assembly. The recess is couplable to a card reader so that the card reader when in a first position electrically couples to the first electrical connector assembly and when in a second position is oriented 180 degrees from the first position to electrically couple to the second electrical connector assembly. Other aspects are described in the claims, drawings, and text forming a part of the present disclosure.
    Type: Grant
    Filed: November 6, 2023
    Date of Patent: March 19, 2024
    Assignee: Pioneer Square Brands, Inc.
    Inventors: Vrushank Deepak Balutkar, Riley Edwin Lynch, Quentin Wade Forbes
  • Patent number: 11936417
    Abstract: The present invention relates to a time-division duplex (TDD) antenna apparatus which can reduce signal loss, and thereby minimize the noise figure (NF) of a system and extend uplink coverage of the system, by separating a transmitter circuit from a receiver circuit of the antenna apparatus, and disposing a low noise amplifier (LNA) of the receiver circuit between a reception antenna and a reception filter of the receiver. A time-division duplex antenna apparatus according to an embodiment of the present invention includes: a transmitter which includes at least one transmission antenna module and transmits a downlink signal through a first path; a receiver which includes at least one reception antenna module and receives an uplink signal through a second path that is separated from the first path without any overlapping portions thereof; and a controller which controls the transmitter and the receiver in a time-division duplex manner.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: March 19, 2024
    Assignee: KMW INC.
    Inventors: Duk Yong Kim, Min Seon Yun, Bae Mook Jeong, Chang Seob Choi, Su Won Lee
  • Patent number: 11929774
    Abstract: The present invention provides an adaptive method for a multi-order multi-band anti-interference intelligent UWB antenna, comprising: acquiring a band of an interference source, wherein the band of the interference source comprises a single band, a double band and a triple band; when the interference source is a single band, starting a single-band first-order filtering interference suppression scheme; when the single-band first-order filtering interference suppression scheme does not reach a standard, starting a single-band second-order filtering interference suppression scheme; when the single-band second-order filtering interference suppression scheme does not reach the standard, starting a single-band third-order filtering interference suppression scheme; when the interference source is a double band, starting a double-band first-order filtering interference suppression scheme; when the double-band first-order filtering interference suppression scheme does not reach the standard, starting a double-band sec
    Type: Grant
    Filed: November 21, 2023
    Date of Patent: March 12, 2024
    Assignee: CHANGSHA CHIXIN SEMICONDUCTOR TECH CO., LTD.
    Inventor: Jianjun Liu
  • Patent number: 11923879
    Abstract: A radio unit for TDD multi-band operation in a wireless communication system is disclosed. The radio unit comprises a transmitting power amplifier for multi-band operation; one or more receiving amplifiers for multi-band operation and an antenna element. The radio unit further comprises one or more switch networks coupled in parallel between the power amplifier and the antenna element. Each of the one or more switch networks comprises one or more shunt switches coupled between an output of the transmitting power amplifier and a signal ground. Each of the one or more switch networks is configured to operate at a certain frequency band in transmitting or receiving mode and is controlled separately by a switching control unit based on un-synchronized TDD time slots configured according to user data traffic scheduling requirements.
    Type: Grant
    Filed: June 19, 2018
    Date of Patent: March 5, 2024
    Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
    Inventors: Yuanjun Xu, Bo Göransson
  • Patent number: 11917512
    Abstract: A communication device may include a first type of interface and a second type of interface. The communication device may execute the communication of object data with a mobile device using the second type of interface after executing a specific process for causing the communication device to shift to a communication-enabled state, in a case where it is determined that the communication device is not currently in the communication-enabled state. Also, the communication device may execute the communication of the object data with the mobile device using the second type of interface without executing the specific process, in a case where it is determined that the communication device is currently in the communication-enabled state.
    Type: Grant
    Filed: February 6, 2023
    Date of Patent: February 27, 2024
    Assignee: Brother Kogyo Kabushiki Kaisha
    Inventors: Takanobu Suzuki, Hirotaka Asakura, Munehisa Matsuda, Satoshi Tanaka
  • Patent number: 11907021
    Abstract: A deployable protective case and a method of deploying said case is provided. The case includes a main body which is divided into an upper portion and lower portion that are separated by a living hinge. The case is configured with guide surfaces that allow for the case to engage with more than one electronic device, such as a tablet and a keyboard. The protective case is movable to a stowed configuration and a deployed configuration. In the stowed configuration, the devices are protected during storage and transportation. In the deployed configuration, the devices are made accessible for use, such as by positioning a tablet relative to a keyboard. While deployed, the case maintains engagement with at least a part of the electronic device.
    Type: Grant
    Filed: April 24, 2020
    Date of Patent: February 20, 2024
    Assignee: Urban Armor Gear, LLC
    Inventors: Steven Armstrong, Jay Veltz, Bryan Soriano
  • Patent number: 11910206
    Abstract: An information processing method, a device and a processor-readable storage medium are provided.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: February 20, 2024
    Assignee: Datang Mobile Communications Equipment Co., Ltd.
    Inventor: Zhangyu Luo
  • Patent number: 11899495
    Abstract: Docking platforms formed in one of the largest-surface-area surfaces of mobile electronic devices. Such a docking platform may comprise a docking accessory cavity having a docking connection system comprising one or more docking connectors formed within the cavity, and optionally two or more electrical contacts within the cavity, the contacts electrically connected to electronics within the electronic device and constructed and arranged to allow electrical connection to detachable docking accessories. The docking connection system is operable to form detachable attachments to multiple independent docking accessories simultaneously. The cavities of the docking platforms are shaped to accommodate a broad range of docking accessories that are specially adapted to sit in a generally flush manner with the back surface of the mobile electronic device while attached to the docking connectors. One type of accessory forms an assembly with an expandable accordion attached to the docking platform.
    Type: Grant
    Filed: January 16, 2020
    Date of Patent: February 13, 2024
    Assignee: PopSockets LLC
    Inventors: David B. Barnett, Altan Nahum
  • Patent number: 11901921
    Abstract: An apparatus is disclosed, comprising means for storing reference data indicative of characteristics for each of two or more amplifiers for amplifying signals in two or more respective bands, the reference data including voltage characteristics required by the particular amplifier to achieve a particular output power for a range of output power values for its respective frequency band. The apparatus may comprise means for receiving at least a first required output power for a first amplifier and a second required output power for a second amplifier, and determining, based on the reference data, the voltage characteristics required for the first amplifier to achieve the first required output power and the voltage characteristics required for the second amplifier to achieve the second required output power.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: February 13, 2024
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Felipe Fraticelli, Ramesh Patel
  • Patent number: 11901932
    Abstract: A method and apparatus for cancelling an interference in a received signal. The apparatus may include a plurality of receivers and one or more transmitters. The first receiver is configured to process a received signal. The first receiver includes a mixer to down-convert the received signal using a first local oscillator signal having a first frequency. The received signal includes a wanted signal and an unwanted signal. The second receiver is configured to process the received signal and generate an interference reference signal. The second receiver includes a mixer to down-convert the received signal using a second local oscillator signal having a second frequency. The apparatus includes an interference canceller configured to cancel, in a digital domain, at least in part interference caused by non-linear characteristics of the first receive chain in a presence of the unwanted signal from the down-converted received signal by the first receive chain.
    Type: Grant
    Filed: May 26, 2020
    Date of Patent: February 13, 2024
    Assignee: Intel Corporation
    Inventors: Oren Ezra Avraham, Josef Holzleitner, Ram Sunil Kanumalli, Harald Pretl, Silvester Sadjina, Werner Schelmbauer