1979-09-28
1981-09-08
Gellner, Michael L.
354 33, 354 34, 354 60F, 354139, G03B 7087, G03B 716, G03B 1505
Patent
active
042881536
ABSTRACT:
A photographic camera employing a replaceable film pack, which includes a battery, utilizes an integral strobe unit powered from the pack battery and automatically provides strobe operation for all ambient scene light conditions. The camera provides automatic charging of the strobe unit from the pack battery and triggering of the strobe at an aperture value selected in accordance with subject distance during scene exposure under all levels of ambient scene light to automatically provide a flash exposure under low ambient light and a flash fill-in exposure under high ambient light conditions.
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Practical Photography, Oct., 1978, pp. 58-59, "Flash Fill-in".
Gellner Michael L.
Polaroid Corporation
Thornton David R.
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