Patents by Inventor Laurent Gauche

Laurent Gauche 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).

  • Descrambling device for the use of several conditional access sub-systems
    Patent number: 6690797
    Abstract: The descrambling device comprises hardware resources (1) and first memory zones (CA1, CA2, . . . , CAn) to store at least two different access control codes for controlling the hardware resources. The device also contains an arbitration code for selecting one access control code to control the hardware resources in order to share access to the hardware resources from the access control codes. Access control codes can be downloaded in the first memory zones by means of a loader contained in the device.
    Type: Grant
    Filed: July 28, 1999
    Date of Patent: February 10, 2004
    Assignee: Thomson Licensing S.A.
    Inventors: Mario de Vito, Laurent Gauche