Patents by Inventor Xavier Roubinet

Xavier Roubinet 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 of transmitting data reliably over N normal channels, and over at least one back-up channel, and a transmit end station, a receive end station, and a relay station corresponding to the method
    Patent number: 5940410
    Abstract: The invention concerns a method of transmitting data reliably over N normal channels (3), where N.gtoreq.1, and over at least one back-up channel (4), between a transmit end station (1) and a receive end station (2), the data transmitted comprising both traffic data and supervisory data. According to the invention, the following successive steps are performed in said transmit end station (1): the traffic data and the supervisory data applied to each of the N pairs of inputs are multiplexed on a respective one of the N normal channels; then, the multiplexed data from a "backed-up" one of the N normal channels is switched to the back-up channel.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: August 17, 1999
    Assignee: Alcatel Telspace
    Inventors: Serge Szczepanowski, Patrick Janer, Xavier Roubinet