Quick response optical disk system providing accurate displaceme

Details Quick response optical disk system providing accurate displaceme Quick response optical disk system providing accurate displaceme

1996-01-17

1998-05-12

Neyzari, Ali

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 4438, G11B 1722, G11B 700

Patent

active

057516731

ABSTRACT:
A quick-response optical disk system corrects signals from photodiodes through a differential amplifier to a tracking error signal TE that is further converted to a tracking drive signal TRD and a slide driving signal SLD by a tracking control circuit. The signal TRD through a driving circuit effects a tracking actuator. The signal TRD is also converted to a signal TRDFS by a low-pass filter. The signals SLD and TRDFS are sent through a selector to a microcomputer which drives a slide motor through a slide driving circuit according to the signals SLD and TRDFS.

REFERENCES:
patent: 5208792 (1993-05-01), Imanaka
patent: 5452273 (1995-09-01), Onagi

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