Patents by Inventor Phillip L. Leung

Phillip L. Leung 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).

  • Alternate grounding method
    Patent number: 6545853
    Abstract: An electrical ground (10) for use in a spacecraft comprising, a first surface (12) capable of emitting electrons by photoemission, at least one isolated conductive surface (18) and at least one conductive connector (20) in connection with the first surface (12) and the isolated conductive surface (18) such that excess electrical charge developed in the isolated conductive surface (18) is dispersed into the first surface (12).
    Type: Grant
    Filed: July 10, 2000
    Date of Patent: April 8, 2003
    Assignee: Hughes Electronics Corporation
    Inventors: Carl J. Gelderloos, Phillip L. Leung, Dilip D. Patel
  • Solar array with ESD protection
    Patent number: 6243243
    Abstract: A solar array having protection from electrostatic discharge (ESD) has a load coupled to the array. The load has a ground terminal that is also coupled to the solar array. A high impedance device is coupled between the array and ground terminal to prevent any stray currents due to ESD from entering the ground terminal.
    Type: Grant
    Filed: March 12, 1999
    Date of Patent: June 5, 2001
    Assignee: Hughes Electronics Corporation
    Inventors: Carl J. Gelderloos, Phillip L. Leung