Patents by Inventor Jean-Louis Lagarde

Jean-Louis Lagarde 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).

  • Device for synchronizing a binary data train in relation to a reference train
    Patent number: 4045618
    Abstract: The invention comes within the field of digital transmission and concerns e synchronization of two bit trains in relation to the beginning of a frame. According to the invention, one of the trains crosses a memory of the FIFO type, whose writing speed corresponds to the frequency of that train and whose reading is controlled by a detector of the locking word in that frame and by a signal indicating the synchronization of the two trains. Application: digital PCM terminals comprising thirty telephone channels.
    Type: Grant
    Filed: January 29, 1976
    Date of Patent: August 30, 1977
    Assignee: Compagnie Industrielle des Telecommunications CIT-ALCATEL S.A.
    Inventors: Jean-Louis Lagarde, Gilles Gauriat