Patents by Inventor Henry Kudelski

Henry Kudelski 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 and Device for Controlling Access to Encrypted Data
    Publication number: 20080209232
    Abstract: The invention concerns a method for controlling access to encrypted data by control words (CW), said control words being received by a security module in control messages (ECM) and returned to a unit operating on (STB) the encrypted data.
    Type: Application
    Filed: July 6, 2006
    Publication date: August 28, 2008
    Applicant: NAGRACARD S.A.
    Inventors: Henry Kudelski, Jimmy Cochard