1985-12-30
1988-01-05
Adams, Russell E.
354472, 3541271, G03B 1505
Patent
active
047179341
ABSTRACT:
A camera system capable of performing flash photography is arranged to perform pre-flashing to detect beforehand the quantity of flash light to be obtained by main flashing. The system makes a display to show whether the flash light quantity thus detected assures an adequate exposure.
REFERENCES:
patent: 4172645 (1979-10-01), Tokutomi
patent: 4239360 (1980-12-01), Urano
patent: 4297011 (1981-10-01), Adams, Jr.
patent: 4299463 (1981-11-01), Kawamura et al.
patent: 4465353 (1984-08-01), Yoshida et al.
patent: 4547057 (1985-10-01), Kataoka
patent: 4589754 (1986-05-01), Maitani et al.
patent: 4610525 (1986-09-01), Yoshida et al.
Harada Yoshihito
Kataoka Hiroyuki
Kawamura Masaharu
Kobayashi Ryuichi
Kumakura Toshiyuki
Adams Russell E.
Canon Kabushiki Kaisha
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