Patent ID: 6831878
Filing Date: 2004-12-14
Classification: G04F

Abstract:
An electronic device capable of counting down to a next integral time point, comprising:an input unit for operating the electronic device; an integral time point selector with an hour, a half-hour, and a quarter-hour countdown time points for setting the next integral time point with respect to a current time, wherein selection of one of the hour, half-hour, and quarter-hour countdown time points of the selector causes the electronic device to count down to the next hour, half-hour, or quarter-hour depending on which of the countdown time points is selected; a timer for recording the current time; a synchronous calculating unit for reading the integral time point from the integral time point selector and reading the current time from the timer to determine the time interval from the current time to the next integral time point for use as the counting down time period; and a counter for performing a counting down operation based on the counting down time period from the synchronous calculating unit; and an output unit for displaying the current time of the electronic device and said integral time from the current time to the next integral time point and for indicating an end of counting down.