1975-05-12
1977-06-14
Hix, L. T.
354 33, 354 38, 354145, 354149, 354272, G03B 716
Patent
active
040301087
ABSTRACT:
The present invention relates to an aperture setting device for camera at the time of photographing under day light as well as under flashlight. The device presents an aperture setting ring rotatable from the range of photographing under daylight to that under flashlight, being switched over according to the then photographing conditions, an information setting means to be moved according to the set information for photographing under flashlight such as information of the distance and an aperture ring for setting aperture, whereby the aperture ring is moved in engagement with the aperture setting ring in case the aperture setting ring is set for the range of photographing under daylight while the aperture ring is moved in engagement with the information setting means in case the aperture setting ring is set for the range of photographing under flashlight. In this way the aperture is set for photographing under daylight as well as under flashlight.
REFERENCES:
patent: 2993422 (1961-07-01), Rentschler
patent: 3273483 (1966-09-01), Weidner et al.
patent: 3512463 (1970-05-01), Kiper
patent: 3535989 (1970-10-01), Kitai
patent: 3699859 (1972-10-01), Akiyama
patent: 3886568 (1975-05-01), Yazaki et al.
Mashimo Yukio
Matsuda Mutsuhide
Taguchi Tetsuya
Uchiyama Takashi
Yazaki Mutsunobu
Canon Kabushiki Kaisha
Hix L. T,.
LaBarre J. A.
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