Patents by Inventor Denis Choulette

Denis Choulette 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: 6857077
    Abstract: In order to restrict data access in a receiver/decoder, a plurality of sets of access rights are assigned to the data, each set of access rights being assigned to at least one party. The data, the sets of access rights and an identifier for each party are stored in a memory of the receiver/decoder. The identifier of a party requesting access to the data is compared with the or each identifier stored in the memory, and the party provided with the set of access rights assigned thereto in the memory of the receiver/decoder.
    Type: Grant
    Filed: September 16, 1999
    Date of Patent: February 15, 2005
    Assignee: Thomson Licensing S. A.
    Inventors: Denis Choulette, Hongtao Liao