Watt-hour meter
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United States of America Patent
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-
Nov 1, 1988
Issued Date -
N/A
app pub date -
Oct 30, 1986
filing date -
Nov 18, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a watt-hour meter pulse width modulated signals, representing the voltage supplied to a load, serve as chopping signals that modulates a waveform representing current to produce an output indicative of power. A series of pulses is spaced on the basis of the power signal and the number of pulses connected as a measure of energy.
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