Camera with photoelectric focus detecting device

Details Camera with photoelectric focus detecting device Camera with photoelectric focus detecting device

1982-04-14

1984-02-07

Perkey, William B.

354 60L, 354417, 354471, 354479, 354480, G03B 300, G03B 7099, G03B 1505, G03B 1720

Patent

active

044299664

ABSTRACT:
Disclosed is a single reflex camera with a photoelectric focus detecting device or a photoelectric converting element for receiving light from an object through a picture-taking lens. Light reflected by a photosensitive member or film during exposure thereof is directed to the photoelectric converting element. The picture-taking operation is detected or controlled in accordance with the output from the photoelectric converting element with respect to the light reflected from the photosensitive member.

REFERENCES:
patent: 3762294 (1973-10-01), Kosaka et al.
patent: 4047187 (1977-09-01), Mashimo et al.
patent: 4192589 (1980-03-01), Tokutomi
patent: 4295717 (1981-10-01), Kitagawa
patent: 4359275 (1982-11-01), Hasegawa

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