Patents by Inventor Yanhai Zhang

Yanhai Zhang 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: 20240310963
    Abstract: There is a provided a pointing device, for example a remote pen which includes a multimode switch or button for transitioning the pointing device between three or more modes of operation. The mode of operation can include a first mode, an annotation mode and an air mouse mode. The remote point device further includes an inertial measurement unit configured for determination orientation information associated with the pointing device, which provides a means for determination of changes in x and y with respect to a cursor associated with a screen of a display device being controlled by the pointing device. The pointing device is further configured to provide different control/display (C/D) gains depending on the action being performed by the pointing device.
    Type: Application
    Filed: May 30, 2024
    Publication date: September 19, 2024
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Junwei SUN, Jun LI, Zhe LIU, Qiang XU, Wenhao WU, Jiaxi WANG, Zhongjia BAI, Yanhai ZHANG
  • Patent number: 10551425
    Abstract: The present disclosure relates to a method for quickly identifying disconnection of a Current Transformer (CT) in protection of a 3/2 connection mode based bus. The present disclosure can quickly and accurately identify the disconnection of the CT, thereby avoiding the problem of a maloperation in protection of a bus caused by the disconnection of the CT.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: February 4, 2020
    Assignees: XJ GROUP CORPORATION, XJ ELECTRIC CO., LTD., XUCHANG XJ SOFTWARE TECHNOLOGY CO., LTD., STATE GRID CORPORATION OF CHINA
    Inventors: Jidong Huang, Chuankun Ni, Hui Tang, Zhiyong Wang, Feng Xiao, Shasha Hu, Yun Gong, Guangjie Feng, Shusheng Li, Ning Yang, Yanhai Zhang
  • Publication number: 20170192045
    Abstract: The present disclosure relates to a method for quickly identifying disconnection of a Current Transformer (CT) in protection of a 3/2 connection mode based bus. The present disclosure can quickly and accurately identify the disconnection of the CT, thereby avoiding the problem of a maloperation in protection of a bus caused by the disconnection of the CT.
    Type: Application
    Filed: November 22, 2016
    Publication date: July 6, 2017
    Inventors: Jidong Huang, Chuankun Ni, Hui Tang, Zhiyong Wang, Feng Xiao, Shasha Hu, Yun Gong, Guangjie Feng, Shusheng Li, Ning Yang, Yanhai Zhang