Patents by Inventor Gerard Bars

Gerard Bars 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).

  • Transmission bridge for a subscriber set
    Patent number: 4319093
    Abstract: The invention concerns feeding current to a subscriber set. In addition to an isolation transformer (T) the transmission bridge includes a measuring circuit (4) connected to the subscriber line, and a receive circuit (7), with the measuring circuit connected to the receive circuit via an impedance adjusting circuit (6). The receive circuit is connected to a receive terminal (10) and is arranged to forward the signal received therefrom to the transformer. The bridge also includes a send circuit (9), likewise connected to the measuring circuit and receiving the signal at the receive terminal via a balance circuit (8) for cancelling the signal delivered by the send circuit while the subscriber set is receiving. Application to telephony.
    Type: Grant
    Filed: July 16, 1980
    Date of Patent: March 9, 1982
    Assignee: Compagnie Industrielle des Telecommunications Cit-Alcatel
    Inventor: Gerard Bars