1986-08-08
1988-07-19
Adams, Russell E.
354204, 3541731, 354448, G03B 700, G03B 118
Patent
active
047588594
ABSTRACT:
A control apparatus for camera, comprises driving means comprising an electric motor, a circuit means for controlling the motor and a rotary shaft rotationally driven by the motor. The rotation of the rotary shaft includes a first rotation in a direction started in response to a picture-taking starting operation, a second rotation in a second direction started in response to the completion of an exposure and a third rotation in the second direction subsequent to the second rotation. The apparatus further includes a shutter-charging member movable from an initial position to a charge position in order to charge a shutter-driving mechanism; a mirror-operating member disposed to move a movable mirror between a position for through-finder observation and a position for exposure; a diaphragm-operating means for moving a diaphragm of a photographing lens between an open aperture position and a stop-down aperture position; a film feed member for taking up a film stepwise frame by frame; and an interlocking means for operationally connecting the shutter-charging member, mirror-operating member, diaphragm-operating member and film feed member with the rotary shaft and disposed to move the diaphragm to the stop-down position, the shutter-charging member to the initial position and the movable mirror to the exposure position during the first rotation of the rotary shaft, and, during the second rotation, to move the diaphragm to the open aperture position, the shutter-charging member to the charge position and the mirror to the through-finder observation position, and further, during the third rotation to take up the film.
REFERENCES:
patent: 4017875 (1977-04-01), Yamamichi
patent: 4322152 (1982-03-01), Saton et al.
patent: 4372661 (1983-02-01), Lange
patent: 4400073 (1983-08-01), Tosaka et al.
patent: 4441800 (1984-04-01), Nakano
patent: 4443083 (1984-04-01), Nakano
patent: 4538893 (1985-09-01), Nakano et al.
Ogasawara Akira
Tomino Naoki
Uematsu Kimio
Adams Russell E.
Nippon Kogaku K. K.
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