Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Transient or portion of cyclic
Patent
1977-11-07
1980-01-15
Rolinec, Rudolph V.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Transient or portion of cyclic
235 92PD, 324133, 340659, G01R 1900, G01R 1914
Patent
active
041841131
ABSTRACT:
A method of counting the number of load current pulsations in an alternating current supply including monitoring the alternations of the supply current and detecting pulsations thereof by detecting suitable falls of the pulsations following the rises thereof, creating upon detecting a pulsation a discrete signal therefor, said signal creation being powered from said pulsation, and counting the discrete signals to determine the number of pulsations.
REFERENCES:
patent: 2724821 (1955-11-01), Schweitzer, Jr.
patent: 3775675 (1973-11-01), Freeze et al.
patent: 3846698 (1974-11-01), Lawton
patent: 3882378 (1975-05-01), Foord
patent: 4025850 (1977-05-01), Spiteri
Compu-Trol, Inc.
Karlsen Ernest F.
Rolinec Rudolph V.
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