Patents by Inventor R. Keith Gammon

R. Keith Gammon 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).

  • PCS CELL SITE SYSTEM FOR ALLOWING A PLURALITY OF PCS PROVIDERS TO SHARE CELL SITE ANTENNAS
    Publication number: 20010012788
    Abstract: A new system for allowing PCS Providers to share cell sites, and more particularly multi-sector antennas, is provided. The present invention utilizes primarily passive, linear components to combine the transmit signals of PCS Providers which reside in non-adjacent frequency bands over a multi-sector antenna and to distribute from a multi-sector antenna the receive signals in all frequency bands of the PCS Providers.
    Type: Application
    Filed: June 12, 1998
    Publication date: August 9, 2001
    Inventor: R. KEITH GAMMON
  • PCS cell site system for allowing a plurality of PCS providers to share cell site antennas
    Patent number: 5781865
    Abstract: A new system for allowing PCS Providers to share cell sites, and more particularly multi-sector antennas, is provided. The present invention utilizes primarily passive, linear components to combine the transmit signals of PCS Providers which reside in non-adjacent frequency bands over a multi-sector antenna and to distribute from a multi-sector antenna the receive signals in all frequency bands of the PCS Providers.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: July 14, 1998
    Assignee: Scientific Research Corporation
    Inventor: R. Keith Gammon