Patents by Inventor Jean Viljoen

Jean Viljoen 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).

  • CHARGE TRANSFER MEASUREMENT TECHNIQUES
    Publication number: 20160370411
    Abstract: A charge transfer measurement system which includes a clock, a capacitor, current mirrors and a counter wherein a signal current which is based on magnetic field, incident light or radiation, acceleration or an external inductance is transferred to the capacitor with the counter recording a count value and wherein the measurement is stopped after a predetermined time or when a voltage on the capacitor exceeds a reference value.
    Type: Application
    Filed: February 27, 2015
    Publication date: December 22, 2016
    Applicant: AZOTEQ (PTY) LTD
    Inventors: Frederick Johannes BRUWER, Dieter Sydney-Charles MELLET, Douw Gerbrand VAN DER MERWE, Daniel Barend RADEMEYER, Jean VILJOEN
  • 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