Patents by Inventor Shan J. Lu

Shan J. Lu 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).

  • Printed networks for improving electrical isolation at high frequencies
    Patent number: 5237295
    Abstract: The invention is comprised of printed circuit boards having printed networks for improving electrical isolation at high frequencies. The invention provides more than 25 dB of isolation in the 1 GHz range. The invention is particularly useful for signal splitting applications. Multiple two way splitters, each made in accordance with the present invention, can be combined to form four way splitters, and so on.
    Type: Grant
    Filed: October 21, 1991
    Date of Patent: August 17, 1993
    Inventors: Donald W. Reddick, Shan J. Lu
  • Flat F-port connector
    Patent number: 5096444
    Abstract: An improved F-connector for use in CATV, MATV and general television applications where coaxial cables and/or other devices must be connected to other cables or devices, the connector having an improved flat port through which internal components are inserted into a connector housing and which is thereafter formed by insertion of a flat insert or end cap which is fitted into the end of the connector housing and abuts against an internal shoulder therein.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: March 17, 1992
    Assignee: Regal Technologies, Ltd.
    Inventors: Shan J. Lu, Gaylord A. Hart