Prepayment system for electric power meters using a contactless smart card with an automatic supply cut-off device
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United States of America Patent
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Nov 23, 2010
Issued Date -
N/A
app pub date -
Sep 30, 2005
filing date -
Oct 13, 2004
priority date (Note) -
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Abstract
The present invention refers to the use of a meter completely integrated on a single piece, totally covered and without contact with the exterior that incorporates a prepayment system and a more efficient method to control the electric energy supply and obtains excellent information from the meter by means of contactless intelligent cards.
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