Method and apparatus for improving the color rendition of color

Details Method and apparatus for improving the color rendition of color Method and apparatus for improving the color rendition of color

1996-05-28

1999-03-30

Tung, Bryan

Television

Image signal processing circuitry specific to television

Gray scale transformation

348676, 348678, 348674, H04N 969, H04N 5202, H04N 520

Patent

active

058895655

ABSTRACT:
A method and apparatus for improving the color rendition of a color television receiver includes variable gamma circuits for exponentially correcting the individual color signals. A user control is added to allow user control over the overall gamma of the color television receiver thereby rendering the colors more saturated. With the inclusion of this user gamma control, a separate control for brightness, which affects the overall bias on the CRT, is now obviated.

REFERENCES:
patent: 3737561 (1973-06-01), Boer
patent: 4547797 (1985-10-01), Mick
patent: 4558363 (1985-12-01), Sugimoto
patent: 4589022 (1986-05-01), Prince et al.
patent: 5083198 (1992-01-01), Haferl et al.
patent: 5208661 (1993-05-01), Jaspers
patent: 5398076 (1995-03-01), Lum et al.

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