H - Electricity – 04 – N
Patent
H - Electricity
04
N
352/20, 95/53.2
H04N 5/335 (2006.01) H04N 3/15 (2006.01) H04N 5/235 (2006.01)
Patent
CA 1257929
Title: AN EXPOSURE CONTROL SYSTEM FOR AN ELECTRONIC IMAGING CAMERA HAVING INCREASED DYNAMIC RANGE ABSTRACT OF THE DISCLOSURE An electronic imaging camera is provided with a substantially expanded dynamic exposure range by implementing two succeeding exposure intervals under conditions where the exposure defining parameters are substantially different and thereafter selectively choosing between the electronic information signals sensed during the two succeeding exposure intervals to provide an output signal from which a visible image of the subject may be reconstructed thereafter.
518700
Alston Lawrence E.
Levinstone Donald S.
Plummer William T.
Polaroid Corporation
Smart & Biggar
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