Patents by Inventor Christine Zanchi

Christine Zanchi 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).

  • Phase-shift keying electronic circuit with distributed structure
    Patent number: 6163230
    Abstract: The invention concerns a modulating electronic circuit with m phase status m.gtoreq.2 comprising a distribution line (6) with n similar dephasing cells (Ci) n.gtoreq.2, each comprising a transistor supplying on a derivative output (ODi) an out-of-phase signal (SDi); a secondary switching/modulating stage (4) controlled on the basis of a control signal; means for summing in phase the signals derived the switching/modulating stage (4).
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: December 19, 2000
    Assignee: Centre National d'Etudes Spatiales (C.N.E.S.)
    Inventors: Luc Lapierre, Cyrille Boulanger, Christine Zanchi