Actuator with single surface-field motor

Details Actuator with single surface-field motor Actuator with single surface-field motor

1996-05-31

1998-06-16

Ben, Loha

Optical: systems and elements

Lens

With support

359814, 369 4415, G02B 702

Patent

active

057680370

ABSTRACT:
A lens actuator for an optical disc storage device including a base; a lens holder assembly movably mounted to said base; said lens holder assembly comprising a lens holder with a single surface-field magnet and a lens mounted thereon; a single surface-field coil set mounted to said base parallel to and proximate said surface-field magnet; whereby a current introduced in a coil of said coil set produces a net magnetic force having a resultant line of action passing through said lens holder assembly.

REFERENCES:
patent: 4638471 (1987-01-01), vanRosmalen
patent: 4727529 (1988-02-01), Araki et al.
patent: 4759005 (1988-07-01), Kasahara
patent: 4861138 (1989-08-01), Suzuki
patent: 4882723 (1989-11-01), Van Rosmalen
patent: 4911534 (1990-03-01), van Henegouwen et al.
patent: 4913527 (1990-04-01), Jessop
patent: 5126983 (1992-06-01), Ikegame et al.
patent: 5136558 (1992-08-01), Getreuer et al.
patent: 5165088 (1992-11-01), Suzuki et al.
patent: 5184002 (1993-02-01), Chu
patent: 5235574 (1993-08-01), Aviles et al.
patent: 5506732 (1996-04-01), Mori

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