Issued Patents All Time
Showing 176–191 of 191 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7466844 | Methods and apparatus to count people appearing in an image | Arun Ramaswamy, Daniel Nelson | 2008-12-16 |
| 7466742 | Detection of entropy in connection with audio signals | — | 2008-12-16 |
| 7460684 | Method and apparatus for embedding watermarks | — | 2008-12-02 |
| 7451092 | Detection of signal modifications in audio streams with embedded code | — | 2008-11-11 |
| 7353171 | Methods and apparatus to operate an audience metering device with voice commands | — | 2008-04-01 |
| 7343615 | Television proximity sensor | Daniel Nelson, John C. Peiffer | 2008-03-11 |
| 7203338 | Methods and apparatus to count people appearing in an image | Arun Ramaswamy, Daniel Nelson | 2007-04-10 |
| 7100181 | Television proximity sensor | John C. Peiffer, Daniel Nelson | 2006-08-29 |
| 7006555 | Spectral audio encoding | — | 2006-02-28 |
| 6968564 | Multi-band spectral audio encoding | — | 2005-11-22 |
| 6879652 | Method for encoding an input signal | — | 2005-04-12 |
| 6807230 | Broadcast encoding system and method | — | 2004-10-19 |
| 6621881 | Broadcast encoding system and method | — | 2003-09-16 |
| 6504870 | Broadcast encoding system and method | — | 2003-01-07 |
| 6272176 | Broadcast encoding system and method | — | 2001-08-07 |
| 4641972 | Method and apparatus for surface profilometry | Maurice Halioua | 1987-02-10 |