Patents by Inventor SHENGPING ZENG

SHENGPING ZENG 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).

  • Data Transmission Method, Related Apparatus, and System
    Publication number: 20240121004
    Abstract: A data transmission method includes receiving, by an optical line terminal (OLT) from an optical network unit (ONU), uplink burst data that includes a synchronization data block and a payload, where the synchronization data block includes first synchronization data, wherein the first synchronization data includes a first preamble and an ONU identifier, and a first bandwidth occupied by the first frequency distribution of the first synchronization data is narrower than a second bandwidth occupied by the second frequency distribution of the payload, and obtaining, by the OLT from the first synchronization data, the ONU identifier.
    Type: Application
    Filed: December 20, 2023
    Publication date: April 11, 2024
    Inventors: Xuming Wu, Shengping Li, Lei Zhou, Xiaofei Zeng
  • Device and method of recoil reduction for air guns
    Patent number: 10767959
    Abstract: The present invention relates to a recoil reduction air gun and a method of reducing recoil of air guns when discharging. Said recoil reduction air gun comprises a cylinder that is slidably mounted to a main body of said air gun, and a recoil reduction device that is provided between the cylinder and a stock. Said recoil reduction device further comprises a recoil reduction spring seat, a first and a second springs, and a recoil rod.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: September 8, 2020
    Assignee: XISICO USA, INC
    Inventors: Xiaoping Ji, Yecheng Wu, Xiaoqiang Sheng, Shengping Zeng, Fuying Ji, Ye Sun, Chengxin Du
  • Device and Method of Recoil Reduction for Air Guns
    Publication number: 20170184372
    Abstract: The present invention relates to a recoil reduction air gun and a method of reducing recoil of air guns when discharging. Said recoil reduction air gun comprises a cylinder that is slidably mounted to a main body of said air gun, and a recoil reduction device that is provided between the cylinder and a stock. Said recoil reduction device further comprises a recoil reduction spring seat, a first and a second springs, and a recoil rod.
    Type: Application
    Filed: December 29, 2015
    Publication date: June 29, 2017
    Applicants: XISICO USA, INC., UMAREX USA, INC.
    Inventors: XIAOPING JI, YECHENG WU, XIAOQIANG SHENG, SHENGPING ZENG, FUYING JI, YE SUN, CHENGXIN DU