POWER LINE COMMUNICATION SYSTEM BASED ON CONSTANT CURRENT SOURCE
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United States of America Patent
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Issued Date -
Aug 18, 2011
app pub date -
Feb 15, 2011
filing date -
Feb 18, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed herein is a power line communication system in which multiple loads are connected in series to constant current source, each individual equipment connected through an insulation transformer to a power line forming a closed loop has a current/voltage conversion part and a voltage/current conversion part, wherein a voltage signal towards the power line is converted and transmitted to a current signal, and a current signal received from the power line is converted and inputted to a voltage signal, and a communication performance lowered problem observable when using a voltage-type can be solved by performing a current-type power line communication and particularly, applied to an airfield lighting system in which multiple lamps are serially connected to a constant current-flowing single closed-loop, thereby performing a power line communication more stably for control of an airfield lighting lamp.
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