1979-08-10
1982-10-26
Hix, L. T.
354 38, 354 45, 354 53, G03B 7087, G03B 712, G03B 1720
Patent
active
043558747
ABSTRACT:
A program EE camera comprises a stop control mechanism for defining the stop extent with a relatively low precision in a few stages according to an electric signal from a light-measuring circuit and a shutter speed control mechanism for controlling a shutter speed in accordance with the stop extent defined by the stop control mechanism.
REFERENCES:
patent: Re21034 (1939-03-01), Karg
patent: 3896460 (1975-07-01), Sahara et al.
patent: 3961339 (1976-06-01), Akiyama
patent: 4010480 (1977-03-01), Sato
patent: 4062022 (1977-12-01), Murakami et al.
patent: 4104654 (1978-08-01), Maitani et al.
patent: 4142787 (1979-03-01), Ueda et al.
Hix L. T,.
Olympus Optical Co,. Ltd.
Perkey William B.
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