Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6195502 | Stop motion video apparatus including improved dynamic range | — | 2001-02-27 |
| 6163645 | Combined video/audio signal player with a squelch function | — | 2000-12-19 |
| 6137942 | Video recording medium for stop-motion playback | — | 2000-10-24 |
| 5220434 | Video recording medium for stop-motion playback | — | 1993-06-15 |
| 5018020 | Record disc for storing separate video and audio information | — | 1991-05-21 |
| 4757393 | Multiple variable rate audio message playback | Scott M. Golding | 1988-07-12 |
| RE32709 | Tracking system for video disc player | Ludwig Ceshkovsky | 1988-07-05 |
| 4727433 | Video/audio coded data recovery from a record medium | — | 1988-02-23 |
| RE32574 | Method and apparatus for information retrieval from an optically readable storage medium | Ludwig Ceshkovsky | 1988-01-05 |
| 4703368 | Multiple variable rate audio message recording and playback | — | 1987-10-27 |
| RE32431 | System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate | Ludwig Ceshkovsky | 1987-06-02 |
| 4638377 | Selectable video/audio coded data recovery from a record medium | — | 1987-01-20 |
| 4616356 | Aperture compensation signal processor for optical recording | Richard L. Wilkinson | 1986-10-07 |
| 4583131 | Method and apparatus for stop-motion playback of a record disc | — | 1986-04-15 |
| RE32051 | Tracking system and method for video disc player | Ludwig Ceshkovsky | 1985-12-17 |
| 4506355 | Method and apparatus for information retrieval from an optically readable storage medium | Ludwig Ceshkovsky | 1985-03-19 |
| 4499502 | Compressed bandwidth frequency modulation signal format apparatus and method | Jordan Isailovic | 1985-02-12 |
| 4488275 | Tracking system for video disc player | Ludwig Ceshkovsky | 1984-12-11 |
| 4439848 | Focusing system for video disc player | Ludwig Ceshkovsky | 1984-03-27 |
| 4375091 | Method and apparatus for information retrieval from an optically readable storage medium | Ludwig Ceshkovsky | 1983-02-22 |
| 4374323 | Focusing apparatus for use in a system for recovering information from an optically-readable storage medium | John S. Winslow | 1983-02-15 |
| 4371899 | Time base error correction system for player | Ludwig Ceshkovsky | 1983-02-01 |
| 4370679 | Gain correction system for videodisc player apparatus | Ludwig Ceshkovsky | 1983-01-25 |
| 4358796 | Spindle servo system for videodisc player | Ludwig Ceshkovsky | 1982-11-09 |
| 4353089 | Apparatus for correcting the time base of information recovered from a movable information storage medium | John S. Winslow | 1982-10-05 |