Patents by Inventor Robert-Alain Perichon

Robert-Alain Perichon 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).

  • Analog variable phase shifter with active matching circuits
    Patent number: 5309124
    Abstract: An analog variable phase shifter comprises a phase shift circuit and associated active inlet and outlet matching circuits. The phase shift circuit includes a transistor with negative feedback, and the inlet and outlet matching circuits are of the type used for matching a wideband microwave signal amplifier over the entire range of frequency variation in the microwave signals applied to the amplifier.
    Type: Grant
    Filed: February 5, 1992
    Date of Patent: May 3, 1994
    Assignee: Alcatel Espace
    Inventors: Jean-Louis Cazaux, Robert-Alain Perichon