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Method and apparatus for communication between inside and outside of transmission medium using transmission medium as communication line

  • US 20030092973A1
  • Filed: 05/30/2002
  • Published: 05/15/2003
  • Est. Priority Date: 11/14/2001
  • Status: Active Grant
First Claim
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1. A method for communication between inside and outside of a transmission medium using the transmission medium as a communication line, comprising the steps of:

  • receiving an electric signal having information related to a transmission medium from a plurality of sensors inside the transmission medium;

    conducting the electric signal to the transmission medium; and

    sensing the electric signal flowing to the outside of the transmission medium.

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