Patents by Inventor Liqun Xiong

Liqun Xiong has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240131702
    Abstract: A method for controlling a robotic arm that includes an end effector and a sensor that are mounted at an end of the robotic arm includes: obtaining, by the sensor, n gravity matrix data, wherein the n gravity matrix data are gravity matrix data of the end effector in an end coordinate system when the robotic arm is in a different poses, n?3; determining n rotation transformation matrices from a base coordinate system of the robotic arm to the end coordinate system when the robotic arm is in n different poses; calculating coordinates of a center of mass and mass of the end effector based on the n gravity matrix data and the a rotation transformation matrices; and controlling the robotic arm based on the coordinates of the center of mass and the mass.
    Type: Application
    Filed: October 26, 2023
    Publication date: April 25, 2024
    Inventors: LIQUN HUANG, Xiaoyu Ren, Mingguo Zhao, Youjun Xiong
  • Patent number: 11955802
    Abstract: This application provide a power supply device and a control method. In one example, a power supply device includes a first AC/DC unit and a second AC/DC unit. An input terminal of the first AC/DC unit and an input terminal of the second AC/DC unit are connected to an alternating current input bus. An output terminal of the first AC/DC unit is connected to a first direct current output bus. The first AC/DC unit is output stable. An output terminal of the second AC/DC unit is connected to a second direct current output bus. Power is output to a plurality of direct current output buses respectively through a plurality of AC/DC units to supply power to different loads.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: April 9, 2024
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Xueji Zhang, Liqun Xiong, Jinli Feng
  • Publication number: 20240084392
    Abstract: The present invention relates to the field of tumor grade detection. Specifically disclosed are a gene combination for human tumor grading, and a use thereof. The gene combination for human tumor grading consists of a gene set A and a gene fragment set B. The gene combination for human tumor grading is obtained from high-throughput sequencing data of an actual renal cancer case of the Peking University First Hospital by means of specific pairing and clustering, is derived from real data, and can be used for malignancy degree grading and prognosis prediction for renal cancer and pan-cancer.
    Type: Application
    Filed: March 2, 2022
    Publication date: March 14, 2024
    Applicant: PEKING UNIVERSITY FIRST HOSPITAL
    Inventors: Gengyan XIONG, Shiming HE, Zhisong HE, Liqun ZHOU
  • Patent number: 11637430
    Abstract: This application provides a power rectification method and apparatus, to supply power to a load by using a power supply capacity gap formed by a communications power that is at an existing network site, thereby achieving a capacity increase. The method includes: obtaining a total input current of each of three phase lines; and when it is determined that a total input current of at least one of the three phase lines is greater than a total input current threshold corresponding to the at least one phase line, adjusting a rectifier connected to the at least one phase line to reduce a total input power of the at least one phase line, so that the total input current of the at least one phase line is less than or equal to the total input current threshold corresponding to the at least one phase line.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: April 25, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Liqun Xiong, Liangren Fang
  • Patent number: 11546844
    Abstract: This application discloses a power supply and a power system. A first power supply is configured to set an output voltage of the first power supply to a plurality of voltage values. A second power supply is configured to send a plurality of first parameters to the first power supply, where the first parameters are used to identify power efficiency of the second power supply. The first power supply is further configured to obtain a plurality of second parameters, which are used to identify power efficiency of the first power supply. The first power supply is further configured to determine, based on the plurality of first parameters and the plurality of second parameters, maximum power efficiency of the power system and a voltage value corresponding to the maximum power efficiency.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: January 3, 2023
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Liqun Xiong, Jinli Feng, Yingkun Luo, Jinfeng Li
  • Publication number: 20220158458
    Abstract: This application provide a power supply device and a control method. In one example, a power supply device includes a first AC/DC unit and a second AC/DC unit. An input terminal of the first AC/DC unit and an input terminal of the second AC/DC unit are connected to an alternating current input bus. An output terminal of the first AC/DC unit is connected to a first direct current output bus. The first AC/DC unit is output stable. An output terminal of the second AC/DC unit is connected to a second direct current output bus. Power is output to a plurality of direct current output buses respectively through a plurality of AC/DC units to supply power to different loads.
    Type: Application
    Filed: January 28, 2022
    Publication date: May 19, 2022
    Inventors: Xueji ZHANG, Liqun XIONG, Jinli FENG
  • Publication number: 20210359524
    Abstract: This application provides a power rectification method and apparatus, to supply power to a load by using a power supply capacity gap formed by a communications power that is at an existing network site, thereby achieving a capacity increase. The method includes: obtaining a total input current of each of three phase lines; and when it is determined that a total input current of at least one of the three phase lines is greater than a total input current threshold corresponding to the at least one phase line, adjusting a rectifier connected to the at least one phase line to reduce a total input power of the at least one phase line, so that the total input current of the at least one phase line is less than or equal to the total input current threshold corresponding to the at least one phase line.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 18, 2021
    Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
    Inventors: Liqun Xiong, Liangren Fang
  • Publication number: 20210014783
    Abstract: This application discloses a power supply and a power system. A first power supply is configured to set an output voltage of the first power supply to a plurality of voltage values. A second power supply is configured to send a plurality of first parameters to the first power supply, where the first parameters are used to identify power efficiency of the second power supply. The first power supply is further configured to obtain a plurality of second parameters, which are used to identify power efficiency of the first power supply. The first power supply is further configured to determine, based on the plurality of first parameters and the plurality of second parameters, maximum power efficiency of the power system and a voltage value corresponding to the maximum power efficiency.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Inventors: Liqun Xiong, Jinli Feng, Yingkun Luo, Jinfeng Li
  • Patent number: 9295031
    Abstract: Embodiments of the present invention provide a method, an apparatus, and a base station subsystem for paging a terminal in a multi-band network. The method includes: obtaining a frequency band support capability of the terminal, where the frequency band support capability is information about one or multiple frequency bands supported by the terminal; if the terminal supports multiple frequency bands, obtaining a corresponding frequency band for the terminal according to the preset rule; and page the terminal on the obtained corresponding frequency band. In the embodiments of the present invention, the base station subsystem, according to the rule, can determine a redirected frequency band for a multi-band terminal and accurately page the multi-band terminal on the redirected frequency band, thereby the consumption of network capacity is reduced.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: March 22, 2016
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Guang Yang, Liqun Xiong
  • Patent number: 8923923
    Abstract: Embodiments of the present disclosure provide a multi-frequency band antenna feeder sharing method and a base station radio frequency unit. The method includes: receiving a signal of a frequency band 1 and a signal of a frequency band 2 through an antenna feeder, transmitting the signals to a band-pass filter and filtering the signals so as to obtain the signal of the frequency band 2, and transmitting the signal of the frequency band 2 to a third radio frequency port through a combiner port; and/or, sending the signal of the frequency band 2 to the combiner port through the third radio frequency port, transmitting the signal of the frequency band 2 that has passed through the band-pass filter to the port of the first radio frequency channel, and sending out the signal of the frequency band 2, together with the signal of the frequency band 1.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: December 30, 2014
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Liqun Xiong, Dong Zhao, Bin Li
  • Publication number: 20130337851
    Abstract: Embodiments of the present invention provide a method, an apparatus, and a base station subsystem for paging a terminal in a multi-band network. The method includes: obtaining a frequency band support capability of the terminal, where the frequency band support capability is information about one or multiple frequency bands supported by the terminal; if the terminal supports multiple frequency bands, obtaining a corresponding frequency band for the terminal according to the preset rule; and page the terminal on the obtained corresponding frequency band. In the embodiments of the present invention, the base station subsystem, according to the rule, can determine a redirected frequency band for a multi-band terminal and accurately page the multi-band terminal on the redirected frequency band, thereby the consumption of network capacity is reduced.
    Type: Application
    Filed: August 23, 2013
    Publication date: December 19, 2013
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Guang Yang, Liqun Xiong
  • Publication number: 20130288688
    Abstract: Embodiments of the present invention provide a cell handover method, equipment, and system. The method includes: receiving, by a network equipment, a cell handover request sent by a source base station, where the handover request includes information of the source base station and information of a terminal requiring handover; querying, by the network equipment, a triplet including correspondence between the information of the source base station, the information of the terminal, and information of a target Femto-cell base station, to obtain the information of the target Femto-cell base station corresponding to the information of the terminal requiring the handover; and instructing, by the network equipment, the target Femto-cell base station to prepare resources for handover, and sending a handover command to the terminal requiring the handover, so that the terminal is handed over to the corresponding target Femto-cell base station.
    Type: Application
    Filed: June 25, 2013
    Publication date: October 31, 2013
    Inventors: Liqun Xiong, Jiagang Ji
  • Publication number: 20120316106
    Abstract: Improved antibiotic analogs, and synergistic combinations of antibiotics designed based on structural crystallographic analysis, are provided as well as pharmaceutical compositions that include these improved analogs and synergistic combinations, along with methods for their production and use. The synergistic combinations target neighboring sites in the ribosome demonstrating the importance of the corresponding ribosomal sites for development of clinically-relevant synergistic antibiotics.
    Type: Application
    Filed: December 29, 2010
    Publication date: December 13, 2012
    Applicant: YEDA RESEARCH AND DEVELOPMENT CO. LTD.
    Inventors: Ada Yonath, Chen Davidovich, Ella Zimmerman, Anat Bashan, Tamar Auerbach, Matthew Belousoff, Liqun Xiong, Dorota Klepacki, Alexander S. Mankin
  • Publication number: 20110075637
    Abstract: The present invention provides a method and apparatus for processing a pseudo pilot signal. The method includes: transmitting a data service carrier signal on a first frequency in a first cell to a mobile station (MS); and transmitting a pseudo pilot signal corresponding to a voice service carrier signal on a first frequency in a second cell in at least one timeslot of the timeslots for transmitting the data service carrier signal.
    Type: Application
    Filed: September 24, 2010
    Publication date: March 31, 2011
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Lichang WU, Bo Xie, Liqun Xiong