White balance control system

Details White balance control system White balance control system

1965-02-14

1976-04-13

Libman, George H.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 900

Patent

active

RE0287741

ABSTRACT:
A white balance control system which has two amplifiers for red and blue video signals, two memory circuits for selecting the gains of the amplifiers in response to signals applied thereto, and two comparator circuits for comparing a green video signal with the red and blue video signals, respectively. The compared signals are respectively applied to the memory circuits selectively.

REFERENCES:
patent: 3457362 (1969-07-01), Mackey et al.
patent: 3479448 (1969-11-01), Kollsman

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