Television – Image signal processing circuitry specific to television – Brightness control
Patent
1994-02-02
1995-07-11
Kostak, Victor R.
Television
Image signal processing circuitry specific to television
Brightness control
348645, H04N 557
Patent
active
054325668
ABSTRACT:
A video circuit provided with corrective control data generator which generates respective control data for correcting and controlling the brightness and/or saturation of the picture displayed on a display unit in accordance with the average brightness level of the luminance signal separated from the video signal. The brightness and/or saturation of the picture are thus corrected and controlled on the basis of the corrective control data.
REFERENCES:
patent: 4980756 (1990-12-01), Lagoni
patent: 4982287 (1991-01-01), Lagoni
patent: 5191427 (1993-03-01), Hwang
patent: 5200829 (1993-04-01), Lagoni
patent: 5291295 (1994-03-01), Srivastava
patent: 5294986 (1994-03-01), Tsuji et al.
Fang George
Hashinaga Hitoshi
Tanaka Yasushi
Kostak Victor R.
Mitsubishi Denki & Kabushiki Kaisha
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