Watt-hour meter
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United States of America Patent
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Apr 30, 2013
Grant Date -
Oct 1, 2009
app pub date -
Feb 25, 2009
filing date -
Feb 28, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In a watt-hour meter, encoders 116, 117, 118 and 119 respectively convert a signal concerning a current and voltage used by a customer into a code sequence signal by Reed-Solomon codes or convolutional codes. Decoders 121, 122, 123, and 124 reversely convert the code sequence signal to the signal concerning the current and voltage. A power calculating section 125 converts the signal concerning the current and voltage into data concerning electricity consumption.
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