Power supply device and a power supply method for a computer sys

Details Power supply device and a power supply method for a computer sys Power supply device and a power supply method for a computer sys

1996-10-10

1999-10-26

Sheikh, Ayaz R.

Electrical computers and digital processing systems: support

Computer power control

713323, 713324, G06F 132

Patent

active

059745517

ABSTRACT:
An integrated power supply device and a power supplying method for controlling power supply to a computer system having a main computer body and a monitor. The integrated power supply device includes a wake-up sensor for generating a wake-up signal when the computer system is in use; a power supply controller responsive to said wake-up sensor to control the power supply to the monitor and the main computer body; a power input unit connected to an external power source to transform an alternating current voltage received from the external power source into a constant direct current voltage; a monitor power supply unit responsive to the power supply controller to transform the constant direct current voltage output from the power input unit into a first predetermined voltage and to supply the first predetermined voltage to the monitor for operation; a main body power supply unit responsive to the power supply controller to transform the constant direct current voltage output from the power input unit into a second predetermined voltage and to supply the second predetermined voltage to the main computer body for operation; and a subsidiary power supply unit coupled to the power input unit to transform the constant direct current voltage output from the power input unit into a third predetermined voltage and to supply the third predetermined voltage to the power supply controller for controlling the power supply to the monitor and the main computer body to minimize power consumption.

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