Automated system for adjustment of the white balance in a signal

Details Automated system for adjustment of the white balance in a signal Automated system for adjustment of the white balance in a signal

1985-04-12

1987-10-13

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 10, H04N 973

Patent

active

047002182

ABSTRACT:
An automated system for adjustment of the white balance in a signal displayed on the screen of a color CRT includes a device attachable to the screen of a color CRT for detecting a first value for at least one of the following signal characteristics: Contrast, brightness, red/green/blue lowlights and red/green/blue highlights in a signal displayed on the screen; a mechanism for changing the first value to a second value within the control range of the CRT; a mechanism for detecting such a second value; a mechanism for storing at least one value within the control range of the CRT for at least one of the foregoing signal characteristics; a mechanism for recovering any such stored value; and a mechanism for conforming the value of one or more of such signal characteristics to a stored value.

REFERENCES:
patent: 3479448 (1969-11-01), Kollsman
patent: 3573352 (1971-04-01), Fujita
patent: 3962722 (1976-06-01), Ciciora
patent: 4123775 (1978-10-01), Bugni
patent: 4160264 (1979-07-01), Hailey et al.
patent: 4274107 (1981-06-01), Tamura et al.
patent: 4314272 (1982-02-01), Miyaji et al.
patent: 4340904 (1982-07-01), Wingrove
patent: 4379292 (1983-04-01), Minato et al.

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