Apparatus for positioning an optical head on a destination track

Details Apparatus for positioning an optical head on a destination track Apparatus for positioning an optical head on a destination track

1988-12-27

1990-11-27

Richardson, Robert L.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

G11B 7085

Patent

active

049742205

ABSTRACT:
An apparatus for positioning an optical head on an optical recording medium capable of accurately detecting the direction of the beam spot transverse movement for positioning the beam spot to a destination track. The apparatus accurately discriminates track lands and track grooves from each other during the scanning of the light beam spot across the tracks for positioning the beam spot to a destination track.

REFERENCES:
patent: 4893298 (1990-01-01), Pasman et al.

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