White balance control based upon negative or positive mode selec

Details White balance control based upon negative or positive mode selec White balance control based upon negative or positive mode selec

1991-11-12

1993-12-21

Powell, Mark R.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 41, H04N 973

Patent

active

052725219

ABSTRACT:
There is provided a video camera which, when a white balance of a plurality of color signals is controlled according to color temperature information, the plurality of color signals are selectively reversed depending on a negative mode or a positive mode, and a control characteristic is changed between first and second control characteristics having different white balance control ranges, so that the white balance can be automatically controlled in either the negative or positive mode.

REFERENCES:
patent: 4608595 (1986-08-01), Nakayama et al.

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