1974-12-20
1976-10-26
Hartary, Joseph W.
354 43, 354 51, G03B 714
Patent
active
039887480
ABSTRACT:
A single lens reflex camera adjusted to a shutter preference exposure range in which responsive to the light sensor and preselected shutter speed, an Appex type computer derives an exposure value which is previously stored, and thereafter automatic adjustment of the diaphragm mechanism in accordance with the stored exposure value starts in substantial coincidence with the start of pivoting movement of the mirror from its viewing to non-viewing position which is followed by the operation of the shutter mechanism to thereby minimize the time interval between the time when the shutter button is depressed and the time at which the shutter is released from its cocked position.
REFERENCES:
patent: 3704656 (1972-12-01), Ogiso et al.
patent: 3756131 (1973-09-01), Kuramoto et al.
patent: 3777637 (1973-12-01), Kuramoto et al.
patent: 3829867 (1974-08-01), Ono
patent: 3899789 (1975-08-01), Taguchi et al.
patent: 3909833 (1975-09-01), Sorimachi et al.
Iura Yukio
Mashimo Yukio
Taguchi Tetsuya
Uchiyama Takashi
Yamamichi Masayoshi
Canon Kabushiki Kaisha
Hartary Joseph W.
LaBarre J. A.
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