Patent | Date |
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Record disc for storing separate video and audio information Grant 5,018,020 - Dakin May 21, 1 | 1991-05-21 |
Multiple variable rate audio message playback Grant 4,757,393 - Dakin , et al. July 12, 1 | 1988-07-12 |
Tracking system for video disc player Grant RE32,709 - Ceshkovsky , et al. * July 5, 1 | 1988-07-05 |
Video/audio coded data recovery from a record medium Grant 4,727,433 - Dakin February 23, 1 | 1988-02-23 |
Method and apparatus for information retrieval from an optically readable storage medium Grant RE32,574 - Ceshkovsky , et al. * January 5, 1 | 1988-01-05 |
Multiple variable rate audio message recording and playback Grant 4,703,368 - Dakin October 27, 1 | 1987-10-27 |
System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate Grant RE32,431 - Dakin , et al. June 2, 1 | 1987-06-02 |
Selectable video/audio coded data recovery from a record medium Grant 4,638,377 - Dakin January 20, 1 | 1987-01-20 |
Tracking system and method for video disc player Grant RE32,051 - Ceshkovsky , et al. December 17, 1 | 1985-12-17 |
Tracking system for video disc player Grant 4,488,275 - Ceshkovsky , et al. * December 11, 1 | 1984-12-11 |
Focusing system for video disc player Grant 4,439,848 - Ceshkovsky , et al. March 27, 1 | 1984-03-27 |
Method and apparatus for information retrieval from an optically readable storage medium Grant 4,375,091 - Dakin , et al. February 22, 1 | 1983-02-22 |
Focusing apparatus for use in a system for recovering information from an optically-readable storage medium Grant 4,374,323 - Winslow , et al. February 15, 1 | 1983-02-15 |
Time base error correction system for player Grant 4,371,899 - Ceshkovsky , et al. February 1, 1 | 1983-02-01 |
Gain correction system for videodisc player apparatus Grant 4,370,679 - Ceshkovsky , et al. January 25, 1 | 1983-01-25 |
Spindle servo system for videodisc player Grant 4,358,796 - Ceshkovsky , et al. November 9, 1 | 1982-11-09 |
Digital formatting system Grant 4,347,619 - Dakin , et al. August 31, 1 | 1982-08-31 |
Tracking system and method for video disc player Grant 4,332,022 - Ceshkovsky , et al. May 25, 1 | 1982-05-25 |
Recording medium having a pilot signal with an aligned phase angle in adjacent tracks Grant 4,313,191 - Winslow , et al. January 26, 1 | 1982-01-26 |
System for recovering information from a movable information storage medium having a pilot signal with an aligned phase angle in adjacent tracks Grant 4,236,050 - Winslow , et al. November 25, 1 | 1980-11-25 |
System for recording information on a rotatable storage disc, in a substantially uniform recording density Grant 4,228,326 - Dakin , et al. October 14, 1 | 1980-10-14 |