Patents by Inventor Jacques Berthe

Jacques Berthe 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).

  • Waveguide circulator having cooling means
    Patent number: 4280111
    Abstract: The invention relates to a structure for a wave-guide power circulator.It consists of a cavity in which emerge the three guides and into which soft iron pole pieces penetrate in contact with their end inside the cavity with gyromagnetic chips and with their wall outside the cavity with a cooling device.The invention applies to all power circulators in the ultra-high frequency band.
    Type: Grant
    Filed: December 10, 1979
    Date of Patent: July 21, 1981
    Assignee: Thomson-CSF
    Inventors: Gerard Forterre, Jacques Berthe