Closed-circuit power line communication system for large capacity load
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United States of America Patent
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Dec 8, 2015
Grant Date -
Feb 12, 2015
app pub date -
Feb 8, 2013
filing date -
Jun 14, 2012
priority date (Note) -
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Abstract
The present invention relates to a power line communication system for a large capacity load which greatly improves the recognition ratio and accuracy of a communication signal even for a large capacity load in that it: includes a switch unit as a transmission means wherein a first switch made of semiconductor elements and a second switch made of relay elements are connected in parallel; and generates and transmits a communication signal by selectively using the switches.
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