Objective lens driving apparatus for an optical recording and/or

Details Objective lens driving apparatus for an optical recording and/or Objective lens driving apparatus for an optical recording and/or

1990-04-13

1992-11-03

Arnold, Bruce Y.

Optical: systems and elements

Lens

With support

359814, 369 4416, G02B 702, G11B 700

Patent

active

051610671

ABSTRACT:
An optical pickup device with an objective lens movable in two directions comprises a supporting member having a plate-shaped supporting portion mounted with a bobbin to which an objective lens is attached. The bobbin is mounted so that it can be freely moved in a first direction parallel to the optical axis of the objective lens and/or in a second direction perpendicular to the optical axis of the objective lens, and an electromagnetic driving device drives the bobbin in the first and second directions. The supporting member is unitarily formed with four arms supporting the bobbin at one end and a coupling portion for connecting the four arms at the other end.

REFERENCES:
patent: 4596444 (1986-06-01), Ushida
patent: 4596448 (1986-06-01), Kikuchi
patent: 4720088 (1988-01-01), Tamura
patent: 4766583 (1988-08-01), Oinoue et al.
patent: 4818066 (1989-04-01), Nose
patent: 4878214 (1989-10-01), Hinotani
patent: 4922477 (1990-05-01), Miura

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