Color temperature control circuit using saturation level detecto

Details Color temperature control circuit using saturation level detecto Color temperature control circuit using saturation level detecto

1984-10-17

1986-12-30

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 65, 358 28, H04N 964, H04N 920

Patent

active

046332995

ABSTRACT:
A color television receiver is disclosed, which includes a circuit for detecting a color saturation level of a color from red, green and blue primary color signals or from color difference signals and a color temperature control circuit for increasing at least a blue color component on a screen of a color cathode ray tube in accordance with an increase of the color saturation level, the color temperature control circuit being controlled by the output of the color saturation level detecting circuit.

REFERENCES:
patent: 3737561 (1973-06-01), Boer
patent: 4127868 (1978-11-01), Nagaoka et al.
patent: 4346399 (1982-08-01), Akutagawa et al.
patent: 4365265 (1982-12-01), Tsujita et al.
Liff, Color and Black and White Television Theory and Servicing, Prentice-Hall, 2nd edition, 1985, pp. 86-91.
Fink, Electronic Engineer's Handbook, McGraw-Hill, 2nd edition, 1982, pp. 20-11-20-13.

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