Patent
1975-09-24
1976-11-30
Peters, Jr., Joseph F.
354145, G03B 716, G03B 1505
Patent
active
039952860
ABSTRACT:
An electronic strobe adapted to be used with a camera for providing flash illumination. The electronic strobe has its own circuitry for automatically determining the extent of flash exposure with a part of this circuitry being adjustable for introducing a variable exposure-determining factor such as film speed and diaphragm aperture. When the electronic strobe is used with a camera which does not have its own electronic shutter-controlling circuitry, then the controls of the strobe are used for introducing a variable factor of the latter type. However, when the electronic strobe is used with a camera which does have its own electronic circuitry for automatically determining the exposure time, then that part of the latter circuitry of the camera which introduces a variable factor of the above type is electrically connectable with the circuitry of the strobe to control the latter according to such a variable from the circuitry of the camera rather than from the circuitry of the strobe itself.
REFERENCES:
patent: 3614918 (1971-10-01), Hennig et al.
patent: 3631779 (1972-01-01), Hori et al.
patent: 3688659 (1972-09-01), Takishima et al.
patent: 3710701 (1973-01-01), Takishima et al.
patent: 3723810 (1973-03-01), Mashimo
patent: 3779141 (1973-12-01), Ueda et al.
Asahi Kogaku Kogyo Kabushiki Kaisha
Peters Jr. Joseph F.
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