Patents by Inventor Richard Henry Holden

Richard Henry Holden 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: 6720933
    Abstract: An antenna feed that transmits in a single vertical or horizontal linear polarization at commercial Ka-band while simultaneously receiving both vertical and horizontal polarizations at commercial KU-band is presented. The antenna feed includes a metal feed horn, an integrated corrugated ring filter, an outer conductor disposed coaxially about the feed horn, a hollow inner conductor disposed coaxially within the feed horn and a polyrod disposed within the hollow inner conductor. The antenna feed further includes a PCB having receive channel RF probes, 180-degree hybrid combiners and LNB circuitry. The PCB is surrounded by a housing which is attached to the feed horn.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: April 13, 2004
    Assignee: Raytheon Company
    Inventors: John Joseph Hanlin, Yueh-Chi Chang, Richard Henry Holden
  • Publication number: 20040036661
    Abstract: An antenna feed that transmits in a single vertical or horizontal linear polarization at commercial Ka-band while simultaneously receiving both vertical and horizontal polarizations at commercial KU-band is presented. The antenna feed includes a metal feed horn, an integrated corrugated ring filter, an outer conductor disposed coaxially about the feed horn, a hollow inner conductor disposed coaxially within the feed horn and a polyrod disposed within the hollow inner conductor. The antenna feed further includes a PCB having receive channel RF probes, 180-degree hybrid combiners and LNB circuitry. The PCB is surrounded by a housing which is attached to the feed horn.
    Type: Application
    Filed: December 10, 2002
    Publication date: February 26, 2004
    Inventors: John Joseph Hanlin, Yueh-Chi Chang, Richard Henry Holden