Power line coupling device and method of using the same
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United States of America Patent
Stats
-
Jul 24, 2007
Grant Date -
Jun 15, 2006
app pub date -
Nov 3, 2005
filing date -
Aug 9, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides a method and a device for communicating a signal over a power line. One embodiment may comprise a length of power cable that comprises a center conductor substantially surrounded by an insulator. A concentric conductor is disposed external to the insulator over a first portion of the cable. A coupling conductor may be disposed concentrically around a second portion of the cable external to said insulator and having a first end and a second end. The concentric conductor is absent in a manner to form a gap between the concentric conductor and the first end of said coupling conductor. A transceiver cable is coupled to the first end of said coupling conductor and a common mode choke may be disposed substantially around the entire circumference of a portion of said coupling conductor. Finally, the second end of the coupling conductor may be coupled to ground through a convenient neutral conductor.
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