1991-03-20
1992-05-26
Perkey, W. B.
354484, 354266, G03B 1336, G03B 1738
Patent
active
051172518
ABSTRACT:
A reflex camera capable of automatic focus adjustment comprises a motor for driving a lens used for focus adjustment, an electromagnet for lifting-up a mirror to expose a film at the time of shutter release, a battery for operating the motor and the electromagnet, and a controller for controlling power supply such that the power is supplied to the magnet after the lens is moved by the motor to a position such as an in-focus point. Since the power is supplied to the electromagnet after the completion of power supply to the motor, there is no possibility of malfunction of the electromagnet.
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patent: 4841324 (1989-06-01), Ogasawara
Ishibashi Kenji
Ishimura Toshihiko
Seki Reiji
Shimada Takahisa
Tanii Junichi
Minolta Camera Kabushiki Kaisha
Perkey W. B.
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