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Trainline controller electronics

  • US 6,980,127 B2
  • Filed: 05/14/2004
  • Issued: 12/27/2005
  • Est. Priority Date: 09/13/2000
  • Status: Expired due to Term
First Claim
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1. A method of testing signal quality for each node in a wire network on a train comprising:

  • commanding each node to be in a receiving mode;

    commanding each node, one at a time, to transmit a calibration signal; and

    determine the quality of the calibration signal as a function of the length of the transmission path on the wire.

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