Patents by Inventor Vincent Durel

Vincent Durel 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).

  • Patent number: 6980645
    Abstract: A filtering device for a narrow-band terminal in a private installation connected to an access network carrying narrow-band services (analogue or ISDN) and broad-band services (xDSL or HomePNA). The device has a low-pass filter associated with an insulation enabling the device to have a high input impedance insulating the installation when the narrow-band terminal is on hook while allowing the ringing signal to pass. Applicable to private telephone-teledata installations.
    Type: Grant
    Filed: April 21, 2000
    Date of Patent: December 27, 2005
    Assignee: France Telecom SA
    Inventors: Alain Rahyer, Alain Bencivengo, Vincent Durel