Patents by Inventor Kurt FRITZENWALLNER

Kurt FRITZENWALLNER 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).

  • Oscillator circuit arrangement
    Patent number: 11108358
    Abstract: An oscillator circuit arrangement comprises a gain stage and a feedback loop that includes a crystal device. A clock signal monitor circuit is connected to an output of the gain stage and detects a frequency shift in the clock signal or a loss of oscillation. The current through the gain stage is controlled in response to a control signal generated by the clock signal monitor circuit.
    Type: Grant
    Filed: January 10, 2019
    Date of Patent: August 31, 2021
    Assignee: AMS AG
    Inventors: Elisa Girani, Kurt Fritzenwallner, Bernd Janger
  • OSCILLATOR CIRCUIT ARRANGEMENT
    Publication number: 20200350861
    Abstract: An oscillator circuit arrangement comprises a gain stage and a feedback loop that includes a crystal device. A clock signal monitor circuit is connected to an output of the gain stage and detects a frequency shift in the clock signal or a loss of oscillation. The current through the gain stage is controlled in response to a control signal generated by the clock signal monitor circuit.
    Type: Application
    Filed: January 10, 2019
    Publication date: November 5, 2020
    Inventors: Elisa GIRANI, Kurt FRITZENWALLNER, Bernd JANGER