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David Ruffieux

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  • Lugnorre, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic device
    • Patent number 11,025,232
    • Issue date Jun 1, 2021
    • CSEM Centre Suisse d'Electronique et de Microtechnique S.A. Recherche et Deve...
    • Nicola Scolari
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Compensation device for compensating PVT variations of an analog an...
    • Patent number 11,012,067
    • Issue date May 18, 2021
    • CSEM Centre Suisse d'Electronique et de Microtechnique S.A. Recherche et Deve...
    • David Ruffieux
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Wristwatch with atomic oscillator
    • Patent number 8,922,283
    • Issue date Dec 30, 2014
    • Rolex S.A.
    • Laurent Balet
    • G04 - HOROLOGY
  • Information Patent Grant

    Temperature compensated timing signal generator
    • Patent number 8,901,983
    • Issue date Dec 2, 2014
    • Micro Crystal AG
    • David Ruffieux
    • G04 - HOROLOGY
  • Information Patent Grant

    Temperature compensated timing signal generator
    • Patent number 8,896,359
    • Issue date Nov 25, 2014
    • Micro Crystal AG
    • David Ruffieux
    • G04 - HOROLOGY
  • Information Patent Grant

    Frequency synthesizer
    • Patent number 8,615,202
    • Issue date Dec 24, 2013
    • CSEM-Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Deve...
    • David Ruffieux
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Device and method for compensating for a resonator
    • Patent number 8,264,292
    • Issue date Sep 11, 2012
    • CSEM Centre Suisse d'Electronique et de Microtechnique S.A. Recherche et Deve...
    • David Ruffieux
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Silicon resonator of the tuning-fork type
    • Patent number 8,098,002
    • Issue date Jan 17, 2012
    • CSEM Centre Suisse d'Electronique et de Microtechnique S.A. Recherche et Deve...
    • Jacek Baborowski
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Phase-locked loop
    • Patent number 8,040,190
    • Issue date Oct 18, 2011
    • CSEM Centre Suisse d'Electronique et de Microtechnique S.A. Recherche et Deve...
    • David Ruffieux
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Clock generator
    • Patent number 7,339,854
    • Issue date Mar 4, 2008
    • CSEM Centre Suisse d'Electronique et de Microtechique SA, Recherche et Develo...
    • David Ruffieux
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC DEVICE
    • Publication number 20200350893
    • Publication date Nov 5, 2020
    • Nicola Scolari
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    COMPENSATION DEVICE FOR COMPENSATING PVT VARIATIONS OF AN ANALOG AN...
    • Publication number 20190280688
    • Publication date Sep 12, 2019
    • CSEM CENTRE SUISSE D'ELECTRONIQUE ET DE MICROTECHNIQUE SA RECHERCHE ET DEVELO...
    • David RUFFIEUX
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    WRISTWATCH WITH ATOMIC OSCILLATOR
    • Publication number 20120229222
    • Publication date Sep 13, 2012
    • ROLEX S.A
    • Laurent Balet
    • G04 - HOROLOGY
  • Information Patent Application

    FREQUENCY SYNTHESIZER
    • Publication number 20120015610
    • Publication date Jan 19, 2012
    • David Ruffieux
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DEVICE AND METHOD FOR COMPENSATING FOR A RESONATOR
    • Publication number 20110012686
    • Publication date Jan 20, 2011
    • CSEM CENTRE SUISSE D'ELECTRONIQUE ET DE MICROTECHNIQUE SA RECHERCHE ET DEVELO...
    • David Ruffieux
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SILICON RESONATOR OF THE TUNING-FORK TYPE
    • Publication number 20100013360
    • Publication date Jan 21, 2010
    • CSEM Centre Suisse d'Electronique et de Microtechnique SA
    • Jacek Baborowski
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    PHASE-LOCKED LOOP
    • Publication number 20090273402
    • Publication date Nov 5, 2009
    • CSEM CENTRE SUISSE D' ELECTRONIQUE ET DE MICROTECHNIQUE SA- RECHERCHE ET DEVE...
    • David Ruffieux
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Layout for a time base
    • Publication number 20080191808
    • Publication date Aug 14, 2008
    • David Ruffieux
    • G04 - HOROLOGY
  • Information Patent Application

    Layout for a time base
    • Publication number 20070008041
    • Publication date Jan 11, 2007
    • David Ruffieux
    • G04 - HOROLOGY
  • Information Patent Application

    Clock generator
    • Publication number 20060214701
    • Publication date Sep 28, 2006
    • David Ruffieux
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Frequency divider with variable division rate
    • Publication number 20060087350
    • Publication date Apr 27, 2006
    • David Ruffieux
    • H03 - BASIC ELECTRONIC CIRCUITRY