Patent ID: 6598168
Filing Date: 2003-07-22
Classification: G06F

Abstract:
A computer auto shut-off control method comprising the steps of:(a). installing a shut-off controller in between a personal computer and the battery power supply of a vehicle; (b) providing an input/output port with said personal computer to receive an OFF signal and to send an ON/OFF recognition signal; (c) driving said shut-off controller to receive an ON/OFF signal from the ignition switch of said vehicle, to receive an ON/OFF recognition signal from said input/output port, and to send an OFF signal to said personal computer through said input/output port; (d) connecting said battery power supply to said personal computer when the ignition switch of said vehicle and the power switch of said personal computer are switched on; (e) sending an OFF signal to said personal computer to drive said personal computer into a shut-off mode when the ignition switch of said vehicle is off and said personal computer is not shut off; and (f) waiting a feedback OFF recognition signal from said personal computer, and then automatically cutting off power supply from said personal computer after receipt of a feedback OFF recognition signal from said personal computer.