Servo control device of optical disk recording and reproducing a

Details Servo control device of optical disk recording and reproducing a Servo control device of optical disk recording and reproducing a

1997-01-24

1998-10-27

Edun, Muhammad N.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4432, 369 4425, 369 4441, G11B 709

Patent

active

058286373

ABSTRACT:
A servo control device of an optical disk recording and reproducing apparatus which is capable of performing tracking control and sled control by detecting radial shift indicative of a degree of deviated from the center of an objective lens in an optical pick-up unit and by detecting a tilt indicative of inclination of an optical disk, thereby achieving a good reproducing signal quality.

REFERENCES:
patent: 5148424 (1992-09-01), Wachi
patent: 5168487 (1992-12-01), Ohsato et al.
patent: 5623461 (1997-04-01), Sohmuta
patent: 5671200 (1997-09-01), Yamaguchi et al.

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