Patents by Inventor Huan TONG

Huan TONG 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).

  • CHARGING AUTHORIZATION APPROACH FOR OBJECTS TO BE RECHARGED AND AUTOMATIC AUTHORIZATION APPROACH AND SYSTEM FOR CHARGING APPARATUSES
    Publication number: 20180194241
    Abstract: The present application relates to the field of charging electrical apparatuses, and more particularly, to a charging authorization approach for objects to be recharged, an automatic authorization approach and system for charging apparatuses. The present application intends to solve the problem of complicate authentication procedure and poor user experience when a charging apparatus authenticates an electric vehicle in the prior art.
    Type: Application
    Filed: January 9, 2018
    Publication date: July 12, 2018
    Inventors: Tianlei HAO, Fei SHEN, Jie SHAO, Jianxing ZHANG, Xiaobin PAN, Yicheng WU, Hui XING, Huan TONG, Ruotong JIANG, Litao FU, Tianshu LI, Yuhua LV
  • Low power consumption relay switching circuit for use in conjunction with a line test trunk interfacing to a test desk
    Patent number: 4204241
    Abstract: An improved circuit for interfacing between a test desk, a subscriber line and an electronic switching center is disclosed herein. The disclosed improvements allow the relay circuit to operate in response to a predetermined threshold current value while requiring only a minimal current flow and thereby providing the capability to use components lower rated in terms of power consumption.
    Type: Grant
    Filed: December 26, 1978
    Date of Patent: May 20, 1980
    Assignee: GTE Automatic Electric Laboratories Incorporated
    Inventor: Huan-Tong Yang