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Rail vehicle mounted rail measurement system

  • US 7,463,348 B2
  • Filed: 07/10/2006
  • Issued: 12/09/2008
  • Est. Priority Date: 07/10/2006
  • Status: Active Grant
First Claim
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1. A rail measurement system for mounting on a rail vehicle for travel over a railway having two spaced apart rails, the system comprising:

  • a first collimated light source mounted on a rail vehicle for providing a first reference marker relative to a top of a railhead of a first rail of a railway;

    a first camera mounted on the rail vehicle for recording an image of the reference marker relative to the top of the railhead of the first rail; and

    an image processor coupled to the camera for analyzing the image of the reference marker relative to the top of the railhead of the first rail to determine a first rail alignment dimension of the top of the railhead with respect to the reference marker.

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