Control circuit of optical disk system to improve transition for

Details Control circuit of optical disk system to improve transition for Control circuit of optical disk system to improve transition for

1996-09-12

1997-12-16

Dinh, Tan

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 4428, G11B 1722

Patent

active

056993323

ABSTRACT:
A control circuit of an optical disk system has a tracking and seek control means for: controlling a position of a light beam emitted for recording and playing information to/from a track on an optical disk by driving a tracking actuator based on a tracking error signal representing at least positional difference between the light beam and the track; selectively performing seek control for controlling the light beam so that the light beam may traverse the track for moving the light beam to the destination track, and tracking control for controlling the light beam so that the light beam may follow the track; and outputting a brake pulse and moving control to the tracking control at the completion of the brake pulse at the completion of the seek control, wherein a width t of the brake pulse is set as follows:

REFERENCES:
patent: 5046060 (1991-09-01), Chow et al.
patent: 5050146 (1991-09-01), Richgels et al.
patent: 5220547 (1993-06-01), Yasukawa et al.
patent: 5408454 (1995-04-01), Hasegawa

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