Patents by Inventor Jean C. Cruchon

Jean C. Cruchon 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).

  • Tunable resonator and an ultrahigh-frequency circuit comprising at least one such resonator
    Patent number: 4460878
    Abstract: There is provided a resonator comprising principally a hollow metal finger integral with the wall of a guide or a cavity. A metal plunger, coated with a fine dielectric layer, of fairly low permittivity, is able to slide inside the hollow metal finger to cause the tuning frequency of the cavity or the susceptance coupled to the guide to be varied. This layer may be formed from Teflon.
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: July 17, 1984
    Assignee: Thomson-CSF
    Inventors: Jean Fouillet, Jean C. Cruchon