Support structure for an optical pickup electrically adjustable

Details Support structure for an optical pickup electrically adjustable Support structure for an optical pickup electrically adjustable

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.

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