Apparatus for and method of turning on and shutting off a comput

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39518213, 3951822, 39518221, 39518222, 395750, G06F 100, G06F 118, G06F 126

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active

057453918

ABSTRACT:
An apparatus for and method of turning a computer on and off. A switch accepts on and off commands from a user which are transmitted to latch circuitry which, in turn, controls relay control circuitry. Relay control circuitry opens or closed a relay in response to the switch input. Issuance of an off command causes the computer to save its internal memory contents to nonvolatile memory storage. After the internal state of the computer is saved, the relay opens and cuts off electrical power to the computer, forcing it off. Issuance of an on command causes power to be restored to the computer and the internal state of the computer is restored from non-volatile memory to the computer. Alternatively, on and off commands may be received by latch circuitry from a remotely located central controller. Commands travel across a network and are received by network interface circuitry.

REFERENCES:
patent: 4907150 (1990-03-01), Arroyo et al.
patent: 5021983 (1991-06-01), Nguyen et al.
patent: 5379435 (1995-01-01), Hanaoka
patent: 5386552 (1995-01-01), Garney
patent: 5410713 (1995-04-01), Whit et al.
patent: 5471624 (1995-11-01), Enoki et al.

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