Patent ID: 7673156
Filing Date: 2010-03-02
Classification: G06F,G11B,Y02D

Abstract:
1. A multimedia electronic device, characterized by comprising a CPU capable of controlling each of circuits, a reproducer for reading out information from a storage medium, a switch for operating said reproducer, an output circuit capable of outputting at least an audio signal on the basis of the information read out of said reproducer, a controller receiving a signal representing the active state of said CPU, a signal representing the operating state of said switch, and a signal representing the reproduction output state of said reproducer for carrying out supply control of driving power to said reproducer and said output circuit on the basis of the three signals, characterized in that a signal representing the reproduction output state of said reproducer is outputted by a monitoring circuit comprising a detection circuit for detecting a reproduction output and a timer for outputting a signal indicating that a predetermined time period has elapsed since the reproduction output was not detected.