Electronic controlled camera with color correction function

Details Electronic controlled camera with color correction function Electronic controlled camera with color correction function

1996-09-16

1998-03-24

Adams, Russell E.

Photography

With object illumination for exposure

Having preexposure illumination

396 56, 396155, G03B 1503

Patent

active

057322937

ABSTRACT:
An electronic flash illuminates an object. A first photometric unit measures a visible light component of ambient light of the object. A second photometric unit measures an infrared light component of the ambient light of the object. A determining unit determines the ratio between the visible light component measured by the first photometric unit and the infrared light component measured by the second photometric unit. On the basis of the ratio determined by the determining unit, a light emission determining unit determines whether the electronic flash is to be made emit light.

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patent: 4989093 (1991-01-01), Kaneko
patent: 4998128 (1991-03-01), Coltman et al.
patent: 5016039 (1991-05-01), Sosa et al.
patent: 5051768 (1991-09-01), Harrison
patent: 5117252 (1992-05-01), Ellwood et al.
patent: 5124739 (1992-06-01), Kelleher
patent: 5155581 (1992-10-01), Tanaka et al.

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