Power measuring device

Details Power measuring device Power measuring device

1980-08-28

1982-11-23

Nusbaum, Mark E.

Boots, shoes, and leggings

364493, 364571, 324142, 324116, G01R 1900

Patent

active

043608795

ABSTRACT:
A power measuring device is disclosed featuring the capability of converting resistively coupled load current and voltage signals to a digital pulse train whose frequency is proportional to the instantaneous power drawn. The digital pulse train can be optically coupled to a microcomputer-based display or process controller for conversion of the pulse train frequency to a power consumption indicating signal.

REFERENCES:
patent: 3780273 (1973-12-01), Turrell
patent: 3961257 (1976-06-01), Milkovic
patent: 4079313 (1978-03-01), Callan
patent: 4096436 (1978-06-01), Cook
patent: 4107777 (1978-08-01), Pearson
patent: 4150433 (1979-04-01), Kaniel
patent: 4233590 (1980-11-01), Gilkeson
patent: 4253151 (1981-02-01), Bouve
patent: 4261037 (1981-04-01), Hicks
Analog-Digital Conversion Handbook, Norwood, Mass. Analog Devices, Inc., Jun. 1972, with particular notice to pp. I-24 & I-24.
Miran Milkovic, "A Polyphase Microelectronic Watt-hour Meter", Int. J. Electronics, 1980, vol. 48, #3, 257-269.

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