Patents Represented by Attorney, Agent or Law Firm Laurie F. Gathman
  • Method and device for providing controlled access video signals without providing a signal in the clear
    Patent number: 6226384
    Abstract: A display device for receiving encrypted or scramble video data and for decrypting or descrambling the video data such that a signal is not provided “in the clear”. The video data is stored in a memory array in an encrypted form and read out from the memory array using a decryption key. The encrypted data is then read out from the memory elements in accordance with known methods.
    Type: Grant
    Filed: December 18, 1996
    Date of Patent: May 1, 2001
    Assignee: Philips Electronics North America Corporation
    Inventors: Alan Cavallerano, Carlo Basile, Jill Forer Goldenberg