Computerized measurement response system

Patent

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179 2AM, 179 5R, H04M 1104

Patent

active

044866259

ABSTRACT:
An alarm system used in a home or office for determining when the consumption of oil or other utility in a tank has been depleted to a predetermined alarm level, and automatically telephoning a computer located at the utility company's office to report the alarm and request delivery of fuel. A pump run count is calculated corresponding to the number of cycles of electricity required to pump a given amount of fuel down to a predetermined alarm level in the tank. As fuel is displaced by the pump, a counter is advanced until it reaches the pump run count whereafter an alarm is activated to cause the alarm system to automatically seize the customer telephone service and dial the computer at the utility office for requesting delivery of fuel oil. The system eliminates the human intervention for reading meters and calling the fuel oil company over the telephone to place an order for delivery.

REFERENCES:
patent: 3588357 (1971-06-01), Sellari, Jr.
patent: 3842208 (1974-10-01), Paraskevakos
patent: 3899639 (1975-08-01), Cleveley et al.
patent: 4059727 (1977-11-01), Kingswell et al.
patent: 4147893 (1979-04-01), Matson
patent: 4408204 (1983-10-01), Salvesen

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