White balance correcting device for an image sensing apparatus

Details White balance correcting device for an image sensing apparatus White balance correcting device for an image sensing apparatus

1994-11-02

1997-08-05

Peng, John K.

Television

Camera, system and detail

Combined image signal generator and general image signal...

340228, 340230, 340225, H04N 973

Patent

active

056547536

ABSTRACT:
A white balance correcting device for an image sensing apparatus comprising gain control circuits for different colors positioned in respective signal lines for the colors from an image sensor to control the gains of the signal lines individually, a control signal supply circuit for supplying all of the gain control circuits with respective control signals for giving them control characteristics limited by different color temperatures from each other, wherein this control signal supply circuit has a color temperature sensor for detecting the color temperature of the outside, and the color temperatures by which the gains of the gain control circuits are limited are controlled in accordance with the output of the color temperature sensor.

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