Electricity: motive power systems – Motor-reversing – Armature or primary circuit control
Patent
1991-09-10
1993-06-15
Ro, Bentsu
Electricity: motive power systems
Motor-reversing
Armature or primary circuit control
318558, G03B 1700
Patent
active
052203700
ABSTRACT:
The operating mechanism according to the present invention is so constructed that an indexing mechanism moves by rotation of a reversible driving device in one direction and when the mechanism reaches a specified section corresponding to a selecting device, the mechanism drives a loading system, selected by the selecting device, by rotation thereof in the other direction at the section. The friction mechanism of a camera according to the present invention is so constructed that a spring for applying to a spool is attached to a spool driving gear. The electric film rewinding apparatus according to the present invention is so constructed that a planetary gear disengages from a driven gear in film rewinding gears by a driving force of a driving device. The driving control apparatus of a camera is so constructed that a single motor is driven for reversibly rotation in both of one direction and the other direction to execute only a necessary operation in loading and unloading a film, reversibly. The camera according to the present invention is so constructed that in the failure of an initial loading operation, after all of a film is rewound by a film rewinding device, the operation is executed again by a control device.
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Hawai Yasuo
Tanii Junichi
Minolta Camera Kabushiki Kaisha
Ro Bentsu
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