Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6737957 | Remote control signaling using audio watermarks | Joseph M. Winograd | 2004-05-18 |
| 6683958 | Apparatus and method for embedding and extracting information in analog signals using distributed signal features and replica modulation | — | 2004-01-27 |