Digital energy monitor

Details Digital energy monitor Digital energy monitor

1979-08-08

1981-09-22

Wise, Edward J.

Boots, shoes, and leggings

364492, 324113, G06F 1520, G01R 2106, G05B 1500, H02J 314

Patent

active

042913764

ABSTRACT:
A digital apparatus for generating an energy log for instant recall and display comprising a microcomputer including microprocessor with interrupt capability, programmable timer, keyboard and digital output. The apparatus is permanently programmed in read-only memory with a task to continuously update data and time information stored in read/write memory, a task to process each interrupt corresponding to pulsed signals indicative of energy usage and to add a unit to one memory location corresponding to that type of energy usage on a given date and a task to select and display time and date and to select and display functions of the contents of the memory locations corresponding to energy usage. The tasks are entirely interrupt activated.

REFERENCES:
patent: 4120031 (1978-10-01), Kincheloe et al.
patent: 4146923 (1979-03-01), Borkan
patent: 4162530 (1979-07-01), Kusui et al.
patent: 4168491 (1979-09-01), Phillips et al.
patent: 4179654 (1979-12-01), Germer
patent: 4199717 (1980-04-01), Germer et al.

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