Optical information processing apparatus

Details Optical information processing apparatus Optical information processing apparatus

1993-04-14

1995-01-31

Psitos, Aristotelis

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 4432, 369 4428, G11B 700

Patent

active

053864042

ABSTRACT:
An optical information processing apparatus for recording and/or reproducing information by forming a small light spot on a disk. The optical head is so constructed that the amount of displacement of the light spot, resulting from vibration or inclination of the optical head or its movable part, does not exceed 1/10 of the track pitch or the speed of displacement of the light speed does not exceed 0.2% of the rotating speed of the disk, so that the time required for a seeking or operation can be reduced, and the operation of the servo system of the optical head can be stabilized.

REFERENCES:
patent: 4736353 (1988-04-01), Kasai et al.
patent: 4803579 (1989-02-01), Koyama
patent: 4813032 (1989-03-01), Koyama
patent: 4853917 (1989-08-01), Koyama et al.
patent: 4866687 (1989-09-01), Kasai et al.
patent: 4953124 (1990-08-01), Koyama
patent: 4969137 (1990-11-01), Sugiyama et al.
patent: 5063549 (1991-11-01), Yamamuro
patent: 5159588 (1992-10-01), Nakano et al.

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