Patents by Inventor Pierre Semal

Pierre Semal 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).

  • Method and apparatus for interconnecting token ring lans operating in ATM
    Patent number: 6647429
    Abstract: The invention relates to a local area network operating according to the asynchronous transfer mode (ATM) for transmitting cells, comprising a plurality of network interfaces. At least two ring systems are provided which comprise each two network interfaces (85, 89; 86, 90) and respective bridge connections (83, 84; 87, 88). A first network interface (85) of a first ring system and a first network interface (86) of a second ring system are coupled via first bridge connections (83, 84) to the two ring systems for transporting the cell stream to the two ring systems, and a second network interface (89) of the first ring system and a second network interface (90) of the second ring system are coupled via second bridge connections (87, 88) for transporting the cell stream to the two ring systems.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: November 11, 2003
    Assignee: Koninklijke Philips Electronics N.V.
    Inventor: Pierre Semal