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Using surface wave propagation to communicate an information-bearing signal through a barrier

  • US 8,269,583 B2
  • Filed: 12/08/2009
  • Issued: 09/18/2012
  • Est. Priority Date: 12/08/2009
  • Status: Active Grant
First Claim
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1. An apparatus comprising an electrical power cable installed through a wall having an exterior side and an interior side, the electrical power cable having a portion extending between an electric power meter at the exterior side of the wall a circuit breaker panel at the interior side of the wall, the electrical power cable comprising conductors which are one of a) 4 AWG copper conductors or larger and b) 2 AWG aluminum conductors or larger, and a coupler installed on said portion of said cable, the coupler being configured to launch electromagnetic waves along the electrical power cable.

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