Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9269392 | Anti-copy protection for a video signal | Baolin Tan | 2016-02-23 |
| 8542980 | Anti-copy protection for a video signal | Baolin Tan | 2013-09-24 |
| 6904153 | Anti-copying system for audio signals | Spiro J. Pandelidis | 2005-06-07 |
| 5673356 | Method and an apparatus for preventing unauthorized recording on tapes on video programs | — | 1997-09-30 |
| 5481608 | Method and an apparatus for preventing unauthorized copying of video signals on tape | — | 1996-01-02 |
| 5101275 | Video camera with automatic intensity control | — | 1992-03-31 |