Device for controlling the application of power to a computer

Details Device for controlling the application of power to a computer Device for controlling the application of power to a computer

1984-10-23

1987-10-20

George, Keith E.

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

379 93, 379102, H04M 1100

Patent

active

047019468

ABSTRACT:
Apparatus and method for monitoring the state of the phone line, directly or as reflected by signals from the modem, and controlling the application of power to a computer so that the computer is powered in response to an incoming call. The apparatus includes a controllable power switching element interposed between the power source and the computer's power input, and logic circuitry responsive to the state of the phone line or modem interface for controlling the power switching element. An alarm clock also controls the power switching element to power the computer up at a predetermined time.

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MacBride et al, "Remote Computer Power-On Via Switched Telephone Network", IBM Technical Disclosure Bulletin, vol. 25, No. 6, Nov. 1982, p. 3064.

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