Patents by Inventor Christian Bernardeau

Christian Bernardeau 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).

  • Smartcard for use with a receiver of encrypted broadcast signals, and receiver
    Patent number: 7043020
    Abstract: A smartcard for use with a receiver of encrypted broadcast signals comprises a microprocessor for enabling or controlling decryption of said signals. A memory is coupled to the microprocessor. The microprocessor is adapted to enable or control the individual decryption of a plurality of such signals from respective broadcast suppliers of such signals by means of respective dynamically created zones in the memory, the dynamically created zones each being arranged to store decryption data associated with a respective one of said broadcast suppliers.
    Type: Grant
    Filed: January 25, 2002
    Date of Patent: May 9, 2006
    Assignee: Canal & Technologies
    Inventors: Michel Maillard, Christian Bernardeau