Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5287196 | Method and apparatus for recording video information signals to avoid interference during after-recording | Keitaro Yamashita | 1994-02-15 |
| 5276403 | Nonlinear preemphasis-deemphasis system | — | 1994-01-04 |
| 5276562 | Emphasis apparatus disposed in either a record or playback system having triple weight coefficient generating devices | — | 1994-01-04 |