Patents by Inventor Franco C. FRITSCHIJ

Franco C. FRITSCHIJ 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).

  • DETECTOR CIRCUIT
    Publication number: 20150346251
    Abstract: A detector circuit for determining an unknown load impedance (Zx) without the need for a signal level detector is provided. The detector circuit comprises a phase detector to derive two phase differences (?, ?) between three input signals (V12, V10, V20) and a calculation circuit to derive a signal ratio.
    Type: Application
    Filed: January 10, 2013
    Publication date: December 3, 2015
    Inventors: Peter van DER CAMMEN, Franco C. FRITSCHIJ