Patents by Inventor Véronique Pla

Véronique Pla 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).

  • Process for scrambling and process for descrambling digital video data and devices implementing the processes
    Patent number: 6459794
    Abstract: The invention relates to a process for scrambling video data in the MPEG2 video format as well as to a process for descrambling data scrambled according to the process of the invention. The scrambled video data are the coefficients AC and/or DC arising from the “discrete cosine transform” operation which are associated with at least one block of at least one image coded in INTRA mode. The invention applies to conditional access systems such as, for example, pay television systems.
    Type: Grant
    Filed: November 20, 1998
    Date of Patent: October 1, 2002
    Assignee: Thomson Licensing S.A.
    Inventors: Mario de Vito, Jean-Bernard Fischer, Véronique Pla