Patents by Inventor Jean-Noel Marchalot

Jean-Noel Marchalot 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).

  • Propagation time equalizer for circular wave guides
    Patent number: 4095197
    Abstract: The input wave guides are oriented towards a perpendicular output wave gu with a semi-reflecting quarter-wave plane reflector disposed at 45.degree. to two progressive reflectors which cause increasing delay with frequency and which are disposed in the line of the input and output wave guides.
    Type: Grant
    Filed: February 3, 1977
    Date of Patent: June 13, 1978
    Assignee: Compagnie Industrielle des Telecommunications Cit-Alcatel S.A.
    Inventors: Gerard Le Coz, Jean-Noel Marchalot