| 摘要 |
<p>PROBLEM TO BE SOLVED: To make normally power sourses of a computer and a peripheral equipment able to be normally turned on and off, and to be normally activated and shut-down as a system, in a power supply controller for the peripheral equipment of a computer (personal computer). SOLUTION: In this system provided with a computer B, an external display device A connected to the computer B and peripheral equipments Cn(n=1, 2, 3...) connected to the computer B, when the computer B is activated, a video signal for display is outputted to the external display device A, and when the computer B is normally ended, a video signal for display is not outputted, in the case that the video signal for display is outputted, the power is supplied to the peripheral equipments Cn or the external display device A, and in the case that the video signal for display is not outputted, the power source of the peripheral equipment Cn or the external display device A is shut down.</p> |
