Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Patent
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.
Higuchi Yoshinori
Kido Fusayoshi
Shingu Shitta
Takahashi Atsushi
Yamada Akira
Richardson Robert L.
Tokyo Shibaura Denki Kabushiki Kaisha
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