Patents by Inventor Liguang Pang

Liguang Pang 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).

  • Patent number: 6671373
    Abstract: A method and apparatus is provided for adjusting DC feed control of a connection. The method includes receiving a signal from the connection and determining if the change in the signal is greater than a first preselected value. The method further includes adjusting the DC feed in response to determining that the change in the signal is greater than the first preselected value.
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: December 30, 2003
    Assignee: Legerity, Inc.
    Inventors: Liguang Pang, Yan Zhou