Electrical transmission or interconnection systems – Superimposed unlike currents
Reexamination Certificate
2006-06-23
2010-02-23
Paladini, Albert W (Department: 2836)
Electrical transmission or interconnection systems
Superimposed unlike currents
C307S002000, C307S003000, C307S004000, C340S315000, C340S315000, C340S538160, C340S538170
Reexamination Certificate
active
07667344
ABSTRACT:
In one embodiment, a system for coupling communications signals to an underground medium-voltage power line includes a medium-voltage power line, a ground conductor, one or more ferrites, and a low-voltage communications line. The medium-voltage power line includes a center phase conductor and a concentric neutral conductor. The ground conductor couples the concentric neutral conductor to a ground connection. The one or more ferrites substantially surround at least a portion of the ground conductor. The low-voltage communications line includes a first conductor and a second conductor. The first conductor is coupled to the ground conductor between the one or more ferrites and the concentric neutral conductor. And the second conductor is coupled to the ground conductor between the one or more ferrites and the ground connection.
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Hudson William D.
Parker, III Thomas R.
Zitting Brent R.
Baker & Botts L.L.P.
International Broadband Electric Communications, Inc.
Kaplan Hal I
Paladini Albert W
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