Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6853731 | Digital video recorder employing a unique ID to interlock with encrypted video programs stored on a storage device | William B. Boyle | 2005-02-08 |
| 6851055 | Digital video recorder for encrypting/decrypting video programs in segments to facilitate trick play features | William B. Boyle | 2005-02-01 |
| 6851063 | Digital video recorder employing a file system encrypted using a pseudo-random sequence generated from a unique ID | William B. Boyle | 2005-02-01 |