Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6438236 | Audio signal identification using digital labelling signals | Stuart J. Best, Timothy Poole, Ian Robert McLauchlan | 2002-08-20 |
| 6338037 | Audio signal identification using code labels inserted in the audio signal | Nigel Johnson | 2002-01-08 |
| 6324303 | Method and apparatus for coding information | — | 2001-11-27 |
| 6181802 | Method and apparatus for coding information by inserting codes in strongly featured image regions | — | 2001-01-30 |