Shutter device for a camera

Details Shutter device for a camera Shutter device for a camera

1993-07-30

1995-03-28

Perkey, W. B.

G03B 7095

Patent

active

054022029

ABSTRACT:
An exposure control device for a camera includes a first opening state determination device for digitally determining an aperture opening state, and a second opening state determination device for determining with an analog device the aperture opening state. A control means controls the aperture opening state in accordance with information from at least one of the first opening state determination device and the second opening state determination device.

REFERENCES:
patent: 4989030 (1991-01-01), Naka et al.
patent: 5014082 (1991-05-01), Farrington

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