Apparatus for supplying power to a peripheral device from comput

Details Apparatus for supplying power to a peripheral device from comput Apparatus for supplying power to a peripheral device from comput

1996-06-03

1998-05-19

Elms, Richard T.

Electrical transmission or interconnection systems

Switching systems

Switch actuation

307140, 307125, 361 91, 361111, 361118, H02H 100

Patent

active

057539820

ABSTRACT:
An apparatus for supplying power to a peripheral device of a computer directly from the system power supply is disclosed. An expansion interface connector or a standard interface connector is used for providing power to the peripheral device. Either one or two electronic switching devices control the supply of power to the interface connector. A voltage output line, a control line and a ground line are connected to three pins of the interface connector. The peripheral device has a matched connector comprising three pins corresponding to the three pins of the interface connector. The peripheral device can be powered up and in operation when it is connected to the interface connector. A short protection mechanism is provided to avoid damaging the computer system when the peripheral device is not connected.

REFERENCES:
patent: 4317056 (1982-02-01), Alberts
patent: 4427899 (1984-01-01), Bruns
patent: 5404542 (1995-04-01), Cheung
patent: 5463261 (1995-10-01), Skarda
patent: 5587867 (1996-12-01), Kurasawa

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