Patents by Inventor David A. Weldon

David A. Weldon 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).

  • Quadrature VCO system and method
    Patent number: 7394321
    Abstract: A low-power quadrature generator is provided for accurately generating in-phase signals and quadrature signals.
    Type: Grant
    Filed: March 30, 2005
    Date of Patent: July 1, 2008
    Assignee: GloNav Limited
    Inventors: Matteo Conta, Ramesh Chokkalingam, David A. Weldon