Optical pickup having a driving unit for moving objective lens

Details Optical pickup having a driving unit for moving objective lens Optical pickup having a driving unit for moving objective lens

1984-07-30

1987-02-17

Corbin, John K.

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

369 45, G02B 704, G11B 712

Patent

active

046435220

ABSTRACT:
An optical pickup has a driving unit for driving a driven member which has an objective lens. The driving unit has an open loop arrangement of a pair of magnets, the same poles of which oppose each other.

REFERENCES:
patent: 4462096 (1984-07-01), Kusaka
patent: 4467463 (1984-08-01), Yano
patent: 4472024 (1984-09-01), Kononura et al.
patent: 4473274 (1984-09-01), Yano et al.
patent: 4507764 (1985-03-01), Musha

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