Patents by Inventor Marie-Christine Henriot

Marie-Christine Henriot 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).

  • Evanescent mode microwave bandpass filter with a rotatable crank shape coupling antenna
    Patent number: 4746883
    Abstract: The microwave bandpass filter in the form of a cutoff frequency waveguide (1) or evanescent mode guide, being besides tunable within a range of frequencies and having at least one terminal (21, 22) of the coaxial type, has terminals each equipped with a crank-shaped coupling antenna (15) operable to be rotated about its longitudinal axis for filter tuning purposes.
    Type: Grant
    Filed: June 13, 1986
    Date of Patent: May 24, 1988
    Assignee: Alcatel Thomson Faiscaeux Hertziens
    Inventors: Marc Sauvage, Marie-Christine Henriot