Patents by Inventor Pascal Barrois

Pascal Barrois 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).

  • Cavity filter coupling system
    Patent number: 8143973
    Abstract: The elliptical response bandpass filter according to the invention comprises a plurality N of cavities connected in series by means of in-phase coupling loops; the first cavity is in addition connected to the last by a complementary phase-inversion coupling loop in order to generate transmission zeros at determined frequencies.
    Type: Grant
    Filed: December 15, 2008
    Date of Patent: March 27, 2012
    Assignee: PL Technologies AG
    Inventors: Pascal Barrois, Gilles Bourrioux
  • Cavity filter coupling system
    Publication number: 20090261924
    Abstract: The elliptical response bandpass filter according to the invention comprises a plurality N of cavities connected in series by means of in-phase coupling loops; the first cavity is in addition connected to the last by a complementary phase-inversion coupling loop in order to generate transmission zeros at determined frequencies.
    Type: Application
    Filed: December 15, 2008
    Publication date: October 22, 2009
    Inventors: Pascal Barrois, Gilles Bourrioux