Patents by Inventor Jean-Marc Navet

Jean-Marc Navet 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 device comprising a thermally-controlled piezoelectric resonator
    Patent number: 8035454
    Abstract: The crystal oscillator device includes an air-tight case (1) forming a vacuum chamber (23), a piezoelectric resonator element (11), oscillation circuitry, a temperature sensor, and a heating unit implemented in an integrated-circuit (IC) chip (13) with an active surface (13a). The piezoelectric resonator element (11) and the oscillation circuitry are connected together to form an oscillation circuit. Furthermore, the temperature sensor and the heating unit are enclosed in the vacuum chamber (23) with the piezoelectric resonator element (11). The piezoelectric resonator element is attached in a heat conductive manner to the active surface (13a) of the integrated-circuit chip (13) in such a way that the IC chip provides mechanical support for the piezoelectric resonator element.
    Type: Grant
    Filed: March 9, 2009
    Date of Patent: October 11, 2011
    Assignee: Micro Crystal AG
    Inventor: Jean-Marc Navet
  • OSCILLATOR DEVICE COMPRISING A THERMALLY-CONTROLLED PIEZOELECTRIC RESONATOR
    Publication number: 20100225405
    Abstract: The crystal oscillator device includes an air-tight case (1) forming a vacuum chamber (23), a piezoelectric resonator element (11), oscillation circuitry, a temperature sensor, and a heating unit implemented in an integrated-circuit (IC) chip (13) with an active surface (13a). The piezoelectric resonator element (11) and the oscillation circuitry are connected together to form an oscillation circuit. Furthermore, the temperature sensor and the heating unit are enclosed in the vacuum chamber (23) with the piezoelectric resonator element (11). The piezoelectric resonator element is attached in a heat conductive manner to the active surface (13a) of the integrated-circuit chip (13) in such a way that the IC chip provides mechanical support for the piezoelectric resonator element.
    Type: Application
    Filed: March 9, 2009
    Publication date: September 9, 2010
    Applicant: ETA SA MANUFACTURE HORLOGERE SUISSE
    Inventor: Jean-Marc Navet