Lens drive device

Details Lens drive device Lens drive device

2011-07-26

2011-07-26

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S814000, C348S345000

Reexamination Certificate

active

07986478

ABSTRACT:
A lens drive device includes a lens holder for holding a lens; a cabinet to which the lens holder is attached so as to be capable of being displaced in a direction of an optical axis of the lens; and a drive part that uses a magnetic driving force to displace the holder in the direction of the optical axis. The drive part includes a magnet disposed on the lens holder and a coil opposed to the magnet. Here, the cabinet has a shape of an almost square in a direction perpendicular to the optical axis. Further, the drive part is disposed in a region R between an outer edge of the lens holder and a corner of the cabinet.

REFERENCES:
patent: 7477462 (2009-01-01), Shyu et al.
patent: 7499231 (2009-03-01), Shyu et al.
patent: 7612957 (2009-11-01), Wu et al.
patent: 7649703 (2010-01-01), Shiraki et al.
patent: 7652833 (2010-01-01), Honma
patent: 7697216 (2010-04-01), Wada et al.
patent: 2007-94364 (2007-04-01), None

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