Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868679 | Method of recording and reproducing color video signals | — | 1989-09-19 |
| 4864428 | Disk player having variable spindle speed for continuous audio in fast and slow reproduction modes | — | 1989-09-05 |
| 4864427 | Disk reproducing method and apparatus for disks with different video bandwidths | Hozumi Tanaka | 1989-09-05 |
| 4860122 | Device for reproducing a sequence of still pictures with an audio portion and without motion pictures between successive still pictures | — | 1989-08-22 |
| 4858024 | Apparatus for reproducing frequency-division multiplexed video FM and digital audio signals | — | 1989-08-15 |
| 4855978 | Video/compact disk player having reduced track search time | — | 1989-08-08 |
| 4855847 | Video disk reproducing device having improved motor speed control | — | 1989-08-08 |
| 4843484 | Information recording disc with composite index codes and its playback method | Tsuyoshi Watanabe, Takahumi Shiba, Shoichi Katagiri | 1989-06-27 |
| 4839746 | Information reproduction method for complex and CD disks | — | 1989-06-13 |
| 4800446 | Video disk recorded with video and digital data and recording/reproducing apparatus therefor | — | 1989-01-24 |