Patents by Inventor Gilbert J. M. Rathier

Gilbert J. M. Rathier 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).

  • Concentrator-deconcentrator devices
    Patent number: 4420832
    Abstract: Concentrator-deconcentrator devices for time-division telephone systems, based on the use of symmetrical time-division arrays arranged in terminal modules comprising subscriber and line connecting units to be served and in central modules which provide the connections between these equipments and the exchange to which the device is connected by ensuring variable concentration and improved security.The device is intended for PCM time-division telephone systems.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: December 13, 1983
    Assignee: Le Materiel Telephonique Thomson-CSF
    Inventors: Jacques E. Salle, Jean A. M. Jossif, Gilbert J. M. Rathier, Jean-Pierre Vales