Patent
1981-02-11
1983-01-25
Perkey, William B.
354195, 354267, 354268, 354149, G03B 118, G03B 700, B03B 1320, G03B 1740
Patent
active
043700438
ABSTRACT:
The present invention relates to a camera having an automatic focusing device, particularly designed so that the shutter release operation is carried out only when the distance measuring operation is carried out properly before taking a photograph in order to avoid an out-of-focus photograph. During flash photography, the aperture value of the camera is controlled in accordance with the object distance value set by means of the automatic focusing device.
REFERENCES:
patent: 3442193 (1969-05-01), Page
patent: 3618499 (1971-11-01), Harvey
patent: 3917395 (1975-11-01), Ogawa
patent: 3921184 (1975-11-01), Borowski et al.
patent: 4021824 (1977-05-01), Uchiyama et al.
patent: 4080531 (1978-03-01), Stauffer
patent: 4199244 (1980-04-01), Shenk
Harigaya Isao
Tamamura Hideo
Canon Kabushiki Kaisha
Perkey William B.
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