Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6252965 | Multichannel spectral mapping audio apparatus and method | — | 2001-06-26 |
| 5751398 | Motion picture digital sound system and method | — | 1998-05-12 |
| 5451942 | Method and apparatus for multiplexed encoding of digital audio information onto a digital audio storage medium | James Ketcham | 1995-09-19 |
| 5417615 | Air driven amusement ride | — | 1995-05-23 |
| 5386255 | Motion picture digital sound system and method with primary sound storage edit capability | Joseph Dellaria, James Ketcham | 1995-01-31 |
| 5155510 | Digital sound system for motion pictures with analog sound track emulation | — | 1992-10-13 |
| 4933675 | Audio digital/analog encoding and decoding | — | 1990-06-12 |
| 4924519 | Fast access digital audio message system and method | — | 1990-05-08 |
| 4914520 | Video transfer method using time-spaced interleaved fields | — | 1990-04-03 |
| 4893898 | Low differential 3-D viewer glasses and method with spectral transmission properties to control relative intensities | — | 1990-01-16 |
| 4882585 | Method and apparatus for high resolution analog-digital-analog transformations | — | 1989-11-21 |
| 4862168 | Audio digital/analog encoding and decoding | — | 1989-08-29 |
| 4836647 | Low differential 3-D viewer glasses and method with spectral transmission characteristics to control relative intensities | — | 1989-06-06 |
| 4814885 | Compressive film to video transfer method | — | 1989-03-21 |
| 4705371 | 3-D method and apparatus | — | 1987-11-10 |
| 4704727 | Low noise and distortion FM transmission system and method | — | 1987-11-03 |
| 4599715 | Method and apparatus for sound track reproduction | — | 1986-07-08 |
| 4596008 | Optical sound track playback apparatus and method | — | 1986-06-17 |
| 4328574 | Apparatus and method for detecting crossmodulation distortion | — | 1982-05-04 |