Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357496 | Optical disk drive focus servo control system with focus servo being turned off or having gain reduced after tracking servo has been off a predetermined time period | Toru Ikeda | 1994-10-18 |
| 5351222 | Disk storage apparatus including a single power supply hysteresis comparator having a symmetrical characteristic | Toru Ikeda | 1994-09-27 |
| 5289447 | Track cross signal generation circuit of optical disk device for correctly outputting track cross signal and correctly and stably carrying out seek operation even within high-speed region of beam | Shigeko Kobayashi, Akira Minami | 1994-02-22 |