Optical pickup

Details Optical pickup Optical pickup

1983-04-15

1985-11-12

Richardson, Robert L.

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 45, G11B 708

Patent

active

045532273

ABSTRACT:
An optical pickup assembly has a lens assembly movably supported in a magnetic gap of a yoke by flexible supporting members. Magnetic interaction between elements of the lens assembly and the yoke help center the lens assembly in the magnetic gap. Electromagnets move the lens assembly from the centered position. A light source, a collimator lens and a polarizing beam splitter are fixed with respect to the yoke.

REFERENCES:
patent: 4386823 (1983-06-01), Musha
patent: 4449213 (1984-05-01), Noborimoto et al.
Patents Abstracts of Japan, vol. 7, No. 150 (P-207) (1295), Jun. 30, 1983.
Patents Abstracts of Japan, vol. 7, No. 278 (P-242) (1423), Dec. 10, 1983.

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