Patents by Inventor Michel J. B. Cauhape

Michel J. B. Cauhape 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).

  • Monitoring circuit for time-division switching network
    Patent number: 4302836
    Abstract: A circuit for monitoring the operation of a time-division switching network, in particular, a circuit for checking the continuity of the switching network speech paths during actual communications.The circuit includes a plurality of monitoring Groups (I, II . . . N) which operate simultaneously under the control of a microprocessor. Each monitoring group is connected to all the incoming trunks via a synchronization and multiplexing circuit and to selected ones of the outgoing trunks, via a multiplexing circuit.The invention is applicable to telephone exchanges.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: November 24, 1981
    Assignee: Le Materiel Telephonique Thomson-CSF
    Inventors: Jean-Baptiste B. F. Bouvier d'Ivoire, Michel J. B. Cauhape, Jean-Paul Lager