Patent ID: 7120812
Filing Date: 2006-10-10
Classification: B41J,G06F

Abstract:
1. A power supply control apparatus for controlling the operation of a power supply in an electronic device that runs a program for shutdown and/or start up when the power supply in the device turns on or off, comprising: an on/off operation detection circuit for detecting when the power supply of the electronic device is turned on or off; a power maintenance circuit responsive to when said on/off operation detection circuit detects turn off of said power supply for causing said power supply to continue to supply power to the electronic device for a specified time or until said power supply output drops to a predetermined power supply reset voltage; and a startup process control circuit responsive to said power maintenance circuit for asserting a command to reset and restart the electronic device if said on/off operation detects the power supply being turned on during the interval of time following when an operation turning the power supply to the electronic device off is detected to when said predetermined reset voltage is reached.