Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Patent
1988-12-05
1991-06-04
McElheny, Jr., Donald
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
G11B 700
Patent
active
050220225
ABSTRACT:
An optical pickup for an optical recording disk in which a holder supports at least some of the optical member and has fixed thereto electrical coils for driving the holder perpendicularly to the disk and parallel to the disk. The holder is supported by four cantilevered supports having fixed ends fixed to a magnetic yoke forming part of the magnetic circuits in conjunction with the electrical coils. Preferably, the cantilevered supports are insulated from the yoke so as to provide power supply paths for the coils.
REFERENCES:
patent: 4555780 (1985-11-01), Koide
patent: 4794580 (1988-12-01), Ikedo et al.
Kikuchi Ikuya
Sato Ryo
McElheny Jr. Donald
Pioneer Electronic Corporation
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