Lens actuator

Details Lens actuator Lens actuator

2007-06-13

2008-11-25

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S813000, C359S814000, C359S823000, C369S044140, C369S044150, C369S044160, C369S044210, C369S112240, C310S012060

Reexamination Certificate

active

07457061

ABSTRACT:
A lens actuator includes a carrier having a tubular shape having a through-hole provided therein. The through-hole is arranged to mount a lens therein. The lens actuator further includes plural springs contacting upper and lower surfaces of the carrier, a coil fixed to the carrier, a first yoke, a second yoke, and a magnet contacting the first yoke and the second yoke. The coil is placed between the first yoke and the second yoke. This lens actuator moves the lens by a long distance, and has a small size.

REFERENCES:
patent: 4660190 (1987-04-01), Fujii et al.
patent: 4764911 (1988-08-01), Morota et al.
patent: 6307687 (2001-10-01), Nishikawa
patent: 6370093 (2002-04-01), Tada et al.
patent: 7227285 (2007-06-01), Osaka
patent: 7271511 (2007-09-01), Osaka
patent: 7285879 (2007-10-01), Osaka
patent: 7291942 (2007-11-01), Osaka
patent: 7298562 (2007-11-01), Sue et al.
patent: 2004/0130808 (2004-07-01), Yoneyama et al.
patent: 2 205 003 (1988-11-01), None
patent: 05-189781 (1993-07-01), None
patent: 2004-280031 (2004-10-01), None
European Search Report issued in corresponding European Patent Application No. EP 07112532.2-2217, mailed on Dec. 24, 2007.

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