1979-05-29
1981-05-19
Griffin, Donald A.
354 34, 354 51, 354147, G03B 714, G03B 716, G03B 1503
Patent
active
042681383
ABSTRACT:
A photographic camera exposure and flash fire control system provides for a proportional fill flash by firing an electronic flash or strobe at an aperture appropriate for the camera-to-subject range. The flash is fired during the closing movement of the shutter blade mechanism and subsequent to the integration of ambient scene light to a select proportion of the optimum film exposure value whereby the remaining proportion of the optimum film exposure value is provided by the artificial illumination from the flash during the closing of the shutter blades.
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Coppa Richard J.
Ellin Seymour
Stempeck John W.
Griffin Donald A.
Polaroid Corporation
Roman Edward S.
Tarcza Thomas H.
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