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Your search returned 89 patents.
( 348/518 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 4313135 | Method and apparatus for preserving or restoring audio to video synchronization
| July 28, 1980 |
| 4285063 | Apparatus for providing evenly delayed digital signals
| June 8, 1979 |
| 4222074 | Horizontal synchronizing system
| October 6, 1978 |
| 4218705 | Delay compensator for a television signal
| September 1, 1978 |
| 4180778 | Digital signal phase shifting system
| January 18, 1978 |
| 4164757 | System for communicating a periodic signal by means of coherent modulation
| November 14, 1977 |
| 4155099 | Synchronizing arrangement for a television equipment
| September 6, 1977 |
| 3968446 | Frequency and phase control system
| May 10, 1974 |
| 3962634 | Automatic delay compensator
| August 6, 1973 |
| 3939306 | Videotelephone system with centralized synchronization control
| June 11, 1974 |
| RE39345 | Audio/Video/Computer graphics synchronous reproducing/synthesizing system and method
| June 6, 2002 |
| RE33535 | Audio to video timing equalizer method and apparatus
| October 23, 1989 |
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