Camera

Details Camera Camera

1992-02-04

1993-12-28

Gray, David M.

354204, G03B 118

Patent

active

052744078

ABSTRACT:
A motor-driven camera includes a motor, a mirror driving mechanism which uses the output of the motor as a drive source and is arranged to move a movable mirror from a view-finder sight position to an exposure-allowing retracted position according to the rotation of the motor in a first direction and to bring the mirror back to the view-finder sight position according to the continuous rotation of the motor in the first direction, a film transporting mechanism which uses the motor output as a drive source and transports the film for a next frame photographing according to the motor rotation in a second direction, a clutch which performs a change-over action in such a way as to cause the motor output to be transmitted to the mirror driving mechanism according to the motor rotation in the first direction and to the film transporting mechanism according to the motor rotation in the second direction, and a control circuit which controls the motor rotation and is arranged to cause the motor to rotate in the first direction to retract the mirror to the exposure-allowing retracted position in response to a photographing initiating operation, to rotate also in the first direction, upon completion of an exposure, to bring the movable mirror back to the view-finder sight position and, after that, to rotate in the second direction to transport the film for a next frame photographing.

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patent: 5070349 (1991-12-01), Haraguchi et al.
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