Color correcting device of camera

Abstract

Abstract PURPOSE: To correct colors at the photographing by disposing plural light sources of different hues in the camera and making auxiliary exposure of the light of the hue necessary for correction during exposure or at the timing before or after this with said light source. CONSTITUTION: Light from the subject is measured of its three color light components respectively by photo detectors 1, 2, 3 for red-, green- and blue colors. After the output signals of the detectors 1W3 are amplified 4W6, they are sent to a color correcting circuit 7, by which the color temperatures are calculated. The color temperatures indicate the distribution ratios of three color light, from which the deviations of the hues are known. The LEDs 8, 9, 10 which form red-, green- and blue colors corresponding to the color correction amounts for the color temperatures have been programed in a color correction operating circuit and these are operated together with the aperture information from an aperutre value setting part 14 and a film sensitivity setting part 15 in an arighmetic circuit 18 and the exposure time is calculated in an exposure time operating circuit 19, whereby a shutter 20 is controlled. COPYRIGHT: (C)1980,JPO&Japio

Inventors

• 👤 Saburo Numata

Bibliographic Details