Objective lens driving device

Details Objective lens driving device Objective lens driving device

1989-02-06

1989-12-19

Bovernick, Rodney B.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

350252, 350255, 369 44, 369 45, G02B 704, G11B 708

Patent

active

048878880

ABSTRACT:
An objective lens driving device comprises a holding member for holding an objective lens, an intermediate support member spaced apart from the optic axis of the objective lens and constructed for rotation about a rotary support axis parallel to the optic axis, a parallel plate spring having one end thereof secured to the holding member and the other end thereof secured to the intermediate support member, the parallel plate spring supporting the holding member for movement only in the direction of the optic axis of the objective lens relative to the intermediate support member, and driving means for driving the holding member in the direction of the optic axis of the objective lens and a direction perpendicular to the optic axis.

REFERENCES:
patent: 3731548 (1973-05-01), Bocksruker
patent: 4472024 (1984-09-01), Konomura et al.
patent: 4664476 (1987-05-01), Kasuga

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