Patents Represented by Attorney, Agent or Law Firm Welsch & Katz, Ltd.
  • Virtual smart card device, method and system
    Patent number: 7379548
    Abstract: A system and a method for secure transmission of protected content to a subscriber, without requiring a smart card or other renewable security element to be in physical proximity of the recipient module of the subscriber, such as a set-top box for example. Therefore, the renewable security element may optionally be protected and controlled by the transmitter of the protected content, such as by the broadcaster for example.
    Type: Grant
    Filed: January 31, 2003
    Date of Patent: May 27, 2008
    Assignee: NDS Limited
    Inventors: Dan Revital, David S. Chechik, Carmi Bogot, Yossi Tsuria
  • Horizontal display
    Patent number: D468934
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: January 21, 2003
    Assignee: Cormark, Inc.
    Inventor: Rodrigo Dienstmann