Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1977-08-22
1979-03-27
Tokar, M.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 79D, G01R 2302
Patent
active
041468368
ABSTRACT:
A signal monitoring device useful to monitor power consumption level employs a phase locked loop and an associated frequency reduction circuit to convert relatively low frequency input pulse signals to an output signal representative of power consumption.
REFERENCES:
patent: 3450991 (1969-06-01), Hornoch
patent: 3795169 (1974-03-01), Belcher
patent: 4020418 (1977-04-01), Burrage
Barber-Colman Company
Hammes, Jr. Robert M.
Tokar M.
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