Optical pickup having flexible wiring plate with focusing effect

Details Optical pickup having flexible wiring plate with focusing effect Optical pickup having flexible wiring plate with focusing effect

1991-02-25

1994-02-15

Psitos, Aristotelis

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With servo positioning of transducer assembly over track...

Optical servo system

369 4411, G11B 712

Patent

active

052873374

ABSTRACT:
An optical pickup has a suspension base, a holder suspended from the suspension base by wires in a form of a cantilever, an optical system provided in the holder and having a mirror and an objective mounted in a body, and a flexible wiring plate connected between the holder and the suspension base. Effective length of the flexible wiring plate for focusing is approximately equal to suspension effective length of the wire. The flexible wiring plate comprises a pair of horizontal planes perpendicular to focusing direction and a vertical plane perpendicular to tracking direction provided between the horizontal planes.

REFERENCES:
patent: 4702555 (1987-10-01), Iguma et al.
patent: 4822139 (1989-04-01), Yoshizumi

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