Lens actuator

Details Lens actuator Lens actuator

2011-08-30

2011-08-30

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S813000, C359S814000, C369S044140, C369S044220, C720S683000

Reexamination Certificate

active

08009373

ABSTRACT:
A lens actuator includes a cylindrical carrier having a hollow for accommodating a lens, the hollow being formed in a first direction; a driving yoke for housing the carrier; a base for holding the yoke thereon; a driving magnet and a driving coil, which are fixed either to the outer periphery of the carrier or the driving yoke; a moving magnet fixed to the driving yoke; and a moving coil fixed to the base. The carrier is movable with respect to the driving yoke in the first direction, and the driving yoke is movable with respect to the base in a second direction perpendicular to the first direction. The driving magnet and the driving coil face each other in the second direction, and the moving magnet and the moving coil face each other in the first direction.

REFERENCES:
patent: 4766584 (1988-08-01), Sekimoto et al.
patent: 7394603 (2008-07-01), Shiraki et al.
patent: 7457061 (2008-11-01), Sata et al.
patent: 2008-32768 (2008-02-01), None

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