Patents by Inventor Grant Cecil Harker

Grant Cecil Harker 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).

  • Noise rejection and parasitic capacitance removal implementations
    Patent number: 8395395
    Abstract: A capacitive sensing circuit including a microchip and a sense plate, wherein the microchip comprises a hardware Q RF noise detector module that provides a logical indication of when noise impacts on the integrated circuit.
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: March 12, 2013
    Assignee: Azoteq (Pty) Ltd.
    Inventors: Frederick Johannes Bruwer, Jean Viljoen, Grant Cecil Harker, Douw Gerbrandt Van Der Merwe
  • NOISE REJECTION
    Publication number: 20100060301
    Abstract: A capacitive sensing circuit including a microchip and a sense plate, wherein the microchip comprises a hardware Q RF noise detector module that provides a logical indication of when noise impacts on the integrated circuit.
    Type: Application
    Filed: November 27, 2008
    Publication date: March 11, 2010
    Inventors: Frederick Johannes Bruwer, Jean Viljoen, Grant Cecil Harker, Douw Gerbrandt van Merwe