Picture adjusting method of a color television and its circuit

Details Picture adjusting method of a color television and its circuit Picture adjusting method of a color television and its circuit

1992-05-14

1996-01-30

Groody, James J.

Television

Receiver circuitry

348603, 348647, 348679, 348687, H04N 544, H04N 558, H04N 5235

Patent

active

054884349

ABSTRACT:
The present invention relates to a picture adjusting method of a color television and its circuit for obtaining enhanced picture resolution by automatically adjusting the contrast, a brightness and sharpness of a picture in accordance with the ambient brightness, picture brightness, magnitude of RF signals and viewing distances of a remote controller from a television screen, utilizing either a set of fuzzy logic rules with fuzzy logic reasoning, or a look-up table having data corresponding to the detected ambient brightness, picture brightness, magnitude of the RF signals and the viewing distances of the remote controller from the television screen.

REFERENCES:
patent: 4843464 (1989-06-01), Choi
patent: 4952917 (1990-08-01), Yabuuchi
patent: 4965574 (1990-10-01), Fukushima et al.
patent: 5045926 (1991-09-01), Amano et al.
patent: 5191421 (1993-03-01), Hwang
patent: 5243687 (1993-09-01), Ando et al.
Oki Electric Industry Co., Ltd., "Fuzzy Logic Single-Chip Solution", MSM91V112, Corporated Advertisement.

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