Shutter device of camera having a light blocking member with a v

Details Shutter device of camera having a light blocking member with a v Shutter device of camera having a light blocking member with a v

1996-06-28

1999-10-19

Metjahic, Safet

Photography

Camera detail

Shutter

396501, G03B 908

Patent

active

059702680

ABSTRACT:
A shutter device having a first light blocking member which travels from a closed state to a fully open state for making exposure, and which is driven by a first motor. A second light blocking member travels from a predetermined position to a closed state for making exposure, and is driven by a second motor. A control circuit controls the driving actions of the first and second motors, and a varying mechanism varies, according to a set condition, the predetermined position at which the second light blocking member starts travelling for making exposure.

REFERENCES:
patent: 4893142 (1990-01-01), Ishida et al.
patent: 4897681 (1990-01-01), Yamamoto et al.
patent: 5202721 (1993-04-01), Kobayashi et al.
patent: 5559569 (1996-09-01), Akimoto et al.
patent: 5634163 (1997-05-01), Kamata

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