Computer system for cutting off power by key input signals or pr

Electrical computers and digital processing systems: support – Computer power control – Having power source monitoring

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714 14, 713310, G06F 124

Patent

active

059352540

ABSTRACT:
In a computer system, the supply of a source voltage to a main computer block is started by using a reset switch provided for resetting the main computer block and cut off by specific key input signals from a keyboard or by programming in the computer. The main computer block includes a switching mode power supply SMPS for providing an operating power and a stand-by voltage to the main computer block, a power-on signal generator for generating a power-on signal to the SMPS by the reset switch, and a power-off signal generator for generating a signal for inverting the power-on signal generated from the power-on signal generator to a power-off signal.

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