Patents by Inventor Andr{acute over (e)} Bremond

Andr{acute over (e)} Bremond 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).

  • Protection against overvoltages of an interface of telephone lines
    Patent number: 6172864
    Abstract: The present invention relates to a system for protecting against overloads in a telephone system. The telephone system includes a telephone exchange, a ringing device and an interface, coupled to receive input signals on subscriber lines. The input signals are forwarded to either the telephone exchange or the ringing device depending upon the operating mode of the telephone system. The telephone line supplies a signal indicating the operating mode. A single protection device is coupled between the input of the subscriber lines and the interface. The protection device is controlled by the operating mode signal, and includes logic for protecting both the ringing device and the telephone exchange.
    Type: Grant
    Filed: March 18, 1997
    Date of Patent: January 9, 2001
    Assignee: SGS-Thomson Microelectronics S.A.
    Inventors: Andr{acute over (e)} Bremond, Philippe Merceron