Coupling of communications signals to a power line
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United States of America Patent
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-
Aug 19, 2008
Grant Date -
Dec 28, 2006
app pub date -
Jun 20, 2006
filing date -
Jun 28, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In one embodiment, a system for coupling communications signals onto a medium-voltage power line includes a metal oxide varistor, a disconnect device and a capacitor. The metal oxide varistor is electrically coupled to the medium voltage power line. The disconnect device includes a resistor in parallel with an air gap and is electrically coupled in series between the metal oxide varistor and a communications device. The capacitor is electrically coupled to the metal oxide varistor and the communications device in parallel with the disconnect device.
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