Daytime strobo apparatus for cameras with electric shutters

Details Daytime strobo apparatus for cameras with electric shutters Daytime strobo apparatus for cameras with electric shutters

1976-07-29

1978-03-14

Hix, L. T.

354 60F, 354137, 354139, 354149, G03B 716, G03B 1503

Patent

active

040793893

ABSTRACT:
A daytime strobo apparatus is provided for a camera which includes an electric shutter, and a control circuit which controls the operation of the electric shutter in accordance with the amount of light incident on a photoelectric transducer element and which is operatively associated with or internally houses a strobo unit. The strobo apparatus comprises a strobo decision circuit in the control circuit which is responsive to the photoelectric transducer element, a decision level adjusting circuit for adjusting an input level from the transducer element to the decision circuit, an X-contact drive circuit responsive to the decision circuit, and the above strobo unit. The apparatus is operative to energize the strobo unit at a timing subsequent to the initiation of operation of the electric shutter which is determined by the operation of the various circuits.

REFERENCES:
patent: 3690237 (1972-09-01), Fuwa
patent: 3978496 (1976-08-01), Matsumoto
patent: 3994001 (1976-11-01), Maitani et al.
patent: 4005444 (1977-01-01), Uchiyama et al.

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