Light controller and image pickup device including the same

Details Light controller and image pickup device including the same Light controller and image pickup device including the same

2007-11-06

2007-11-06

Mahoney, Christopher (Department: 2862)

Photography

Camera detail

Shutter

C396S497000

Reexamination Certificate

active

11102738

ABSTRACT:
A light controller includes a substrate having an optical path opening, a blade unit with a blade mounted on the substrate for opening and closing the optical path opening, a driver unit for driving the blade, and a stopper unit for restricting a movement of the blade between an open position and a closed position. The stopper unit includes a long hole formed in the blade and extending in a direction that the blade moves, and a stopper pin fitted into the long hole. The long hole is disposed at a position away from the optical path opening in an entire range that the blade moves. Accordingly, when the blade unit has a plurality of blades, it is necessary to arrange only the stopper pins having a number equal to the number of the blades on the substrate, thereby reducing a size of an apparatus.

REFERENCES:
patent: 3825940 (1974-07-01), Hayami
patent: 5255037 (1993-10-01), Kobayashi
patent: 5678104 (1997-10-01), Murakami
patent: 6089760 (2000-07-01), Terada
patent: 2001-228504 (2001-08-01), None
patent: 2003-66506 (2003-03-01), None
patent: 2003-222927 (2003-08-01), None

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