Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956949 | Method and apparatus for authenticating an hierarchy of video receiving devices | Robert W. Faber, Gary L. Graunke, David A. Lee | 2005-10-18 |
| 6947561 | Method and apparatus for protecting copy control information provided to a video recording device | Robert W. Faber | 2005-09-20 |
| 6931129 | Method and apparatus for generating pseudo random numbers in a video device having an embedded cipher unit | Robert W. Faber, David A. Lee, Gary L. Graunke | 2005-08-16 |
| 6920221 | Method and apparatus for protected exchange of status and secret values between a video source application and a video hardware interface | Robert W. Faber, David A. Lee, Gary L. Graunke, Richard P. Mangold | 2005-07-19 |