Light amount adjustment apparatus and image pickup apparatus

Details Light amount adjustment apparatus and image pickup apparatus Light amount adjustment apparatus and image pickup apparatus

2008-01-16

2010-10-05

Blackman, Rochelle-Ann J (Department: 2862)

Photography

Camera detail

Shutter

C396S494000, C396S497000, C359S234000

Reexamination Certificate

active

07806605

ABSTRACT:
Disclosed herein is a light amount adjustment apparatus, including: a shutter blade and a filter blade each configured to operate in a predetermined direction to adjust the amount of light transmitted through a lens group; a first magnet configured to drive the shutter blade; a first core and a first coil; a second magnet configured to drive the filter blade; and a second core and a second coil. The filter blade has a control portion for controlling and adjusts the amount of light transmitted through the lens group. The filter blade has at least one hole or one cutaway portion formed at a portion of the filter blade other than the control portion.

REFERENCES:
patent: 6767145 (2004-07-01), Eguro
patent: 2005/0152691 (2005-07-01), Kawauchi et al.
patent: 2006/0008270 (2006-01-01), Naganuma
patent: 8-334809 (1996-12-01), None
patent: 2002-182263 (2002-06-01), None
patent: 2002-365693 (2002-12-01), None
patent: 2003-005251 (2003-01-01), None
patent: 2004-095703 (2004-03-01), None
patent: 2004-309531 (2004-11-01), None
patent: 2004-354846 (2004-12-01), None
patent: 2004-354860 (2004-12-01), None
patent: 2005-091656 (2005-04-01), None
patent: 2005-110358 (2005-04-01), None
patent: 2005-345583 (2005-12-01), None
patent: 2006-171545 (2006-06-01), None
patent: 2006-215323 (2006-08-01), None
patent: 2006-284770 (2006-10-01), None

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