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Your search returned 92 patents.
( 369/47.25 in Current US Classification ) |
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| Patent ID | Title | Date Filed |
| 4558213 | Pickup level control device for a system for reading out recorded information
| May 31, 1983 |
| 4553228 | Mobile pre-etched data carrier and an optical tracking device using such a carrier
| March 7, 1983 |
| 4534021 | Angularly multiplexed optical recording medium
| December 10, 1981 |
| 4476499 | Video disc recording and reproducing system
| April 25, 1983 |
| 4286290 | Fast recovery squelch circuit for a video disc player
| August 20, 1979 |
| 4169219 | Compander noise reduction method and apparatus
| March 30, 1977 |
| 4165495 | Circuit system for reproducing a signal from a moving record carrier
| June 30, 1978 |
| 3984869 | Automatic program head positioning and tape feed control for tape decks
| March 28, 1975 |
| 3953686 | Multichannel record disc recording system
| April 22, 1974 |
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