Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8613223 | Sound sensor array with optical outputs | — | 2013-12-24 |
| 7845233 | Sound sensor array with optical outputs | — | 2010-12-07 |
| 6211940 | Selecting analog or digital motion picture sound tracks | Martin J. Richards, Douglas E. Mandell, Mark Atherton | 2001-04-03 |
| 5757465 | Storage medium for carrying information encoded in two dimensions | Martin J. Richards, Douglas E. Mandell, Mark Atherton | 1998-05-26 |
| 5710752 | Apparatus using one optical sensor to recover audio information from analog and digital soundtrack carried on motion picture film | Martin J. Richards, Douglas E. Mandell, Mark Atherton | 1998-01-20 |
| 5544140 | Storage medium and apparatus and method for recovering information from such medium by oversampling | Martin J. Richards, Douglas E. Mandell, Mark Atherton | 1996-08-06 |