Automatic screen and keypad brightness adjustment on a mobile handheld electronic device

摘要: A method is set forth for automatically adjusting screen and keypad brightness on a mobile electronic device having light sensor, display keypad, optimum legibility under varying lighting conditions, with minimal eye strain distraction to the user. The includes obtaining level samples from independently backlight intensity of responsive samples. Preferably, correct adjustments are made user pulling his or her handheld out its holster notwithstanding non-optimal ambient detection while being removed holster. According another aspect, described allows in where sensor message notification indicator share common pipe.