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Method and apparatus for determining the overall length of a train

  • US 6,081,769 A
  • Filed: 02/23/1998
  • Issued: 06/27/2000
  • Est. Priority Date: 02/23/1998
  • Status: Expired due to Term
First Claim
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1. A system for determining the length of a train comprising:

  • a first receiver disposed on the train at a first position, said first receiver for receiving a signal from which the first position may be determined;

    a second receiver disposed on the train at a second position;

    said second receiver for receiving a signal from which the second position may be determined; and

    a processor operatively coupled to said first and second receivers, said processor for determining the length of the train based on the first and second positions and for applying an offset calculation in order to compensate for any errors in the determined length of the train.

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