System for monitoring utility usage

Details System for monitoring utility usage System for monitoring utility usage

1979-04-03

1981-04-07

Krass, Errol A.

Boots, shoes, and leggings

235 92EL, 324103R, 324140R, 324142, 340657, 364483, G06F 1520, G01R 1904

Patent

active

042610370

ABSTRACT:
Electronic circuitry monitors the electrical energy consumption of a system and displays the current cost of the energy usage. The projected monthly billing cost is calculated at the current rate of consumption, and an alarm signal is generated if the projected cost is higher than a budget amount. The current flow is sensed and digital pulses are fed to a microprocessor for counting and conversion to cost parameters. Clock pulses are also directed to the microprocessor for calculating the billing period and for displaying time parameters. A keyboard enables initializing and modifying the cost and time parameters in the microprocessor.

REFERENCES:
patent: 3778637 (1973-12-01), Arita
patent: 3998093 (1976-12-01), Bertolasi
patent: 4080568 (1978-03-01), Funk
patent: 4106095 (1978-08-01), Yarbrough
patent: 4120031 (1978-10-01), Kincheloe et al.
patent: 4162530 (1979-07-01), Kusui et al.

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