Patents by Inventor Jean-Rene Herledan

Jean-Rene Herledan 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 synchronising multiplex lines in a time-division exchange
    Patent number: 4352181
    Abstract: A device for synchronizing multiplex lines in a time-division exchange comprising an input register, local and distant counters, a memory with a capacity of two frames, a frame alignment word detector, a write time select circuit, a decision circuit providing a frame skip or frame repetition facility for memory read operations, a circuit for addressing the memory in write and read modes and an odd parity injection circuit.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: September 28, 1982
    Assignee: Compagnie Industrielle des Telecommunications CIT-ALCATEL
    Inventors: Bernard Le Dieu, Jean-Rene Herledan
  • Multiplex connection unit for use in a time-division exchange
    Patent number: 4339815
    Abstract: A multiplex connection unit for use in a time-division exchange comprising identical connection modules and a control interface connected to the control units of the exchange. A module comprises transcoders, synchronizing units (one per transcoder), a traffic distributor connected to the switching network, a signalling receiver and a signalling sender connected to the traffic distributor and to the control interface.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: July 13, 1982
    Assignee: Compagnie Industrielle des Telecommunications Cit-Alcatel
    Inventors: Jean-Rene Herledan, Bernard Le Dieu, Jean-Pierre Martin, Daniel Quemere