Lens driving device and electronic camera using the same

Details Lens driving device and electronic camera using the same Lens driving device and electronic camera using the same

2007-04-17

2007-04-17

Ben, Loha (Department: 2873)

Optical: systems and elements

Lens

With support

C359S694000, C359S696000, C359S823000

Reexamination Certificate

active

11230615

ABSTRACT:
A circumferential surface of a lens holder is provided with a reflection member having different reflectance relative to a surrounding portion thereof. An opening is formed in an upper cover at a position confronting the reflection member at a time when the lens holder is kept in an original position being as a close-end position. The upper cover is provided with an optical position detector disposed so as to be adjacent to the opening. The optical position detector optically detects the reflection member via the opening when the lens holder is kept in the original position. Consequently, an original position of a taking lens held by the lens holder is detected.

REFERENCES:
patent: 4596449 (1986-06-01), Iwata et al.
patent: 4605286 (1986-08-01), Sumi
patent: 4697891 (1987-10-01), Kawai
patent: 6072642 (2000-06-01), Shirai
patent: 6800970 (2004-10-01), Aoshima
patent: 56-147132 (1981-11-01), None
patent: 60-000417 (1985-01-01), None
patent: 62-195615 (1987-08-01), None

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