PICTURE ADJUSTING METHOD OF A COLOR TELEVISION AND ITS CIRCUIT

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.