Patent ID: 6369643
Filing Date: 2002-04-09
Classification: H02M,H04W,Y02B,Y02D

Abstract:
An apparatus for controlling a power saving mode of a switching mode power supply in accordance with receiving a remote control key input signal, comprising:a low frequency clock generator for generating a low frequency clock signal; a high frequency clock generator for generating a high frequency clock signal; a receiver for receiving said remote control key input signal from a remote controller; a selector for selecting one of the low frequency clock generator and the high frequency clock generator; and a microcomputer for detecting a header of the remote control key input signal received by the receiver and controlling the selector to select output of the high frequency clock generator based on the detected header portion of the remote control key input signal, wherein said microcomputer generates control signals to said switching mode power supply and operates according to a selected one of the low and high frequency clock signals.