Patents by Inventor Riaan Fourie

Riaan Fourie 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).

  • GRID TOUCH POSITION DETERMINATION
    Publication number: 20100117661
    Abstract: A capacitive sensing circuit which has a uniformly resistive sense plate, a charge transfer measurement circuit connected to one side of the sense plate and a dummy load which is only connected to another side of the sense plate during some measurement cycles.
    Type: Application
    Filed: August 15, 2008
    Publication date: May 13, 2010
    Inventors: Frederick Johannes Bruwer, Nico Johann Swanepoel, Pieter Jacobus Pretorius, Riaan Fourie