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Method and apparatus for wheel alignment

  • US 8,401,236 B2
  • Filed: 03/12/2012
  • Issued: 03/19/2013
  • Est. Priority Date: 05/21/2007
  • Status: Active Grant
First Claim
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1. A method for determining the alignment of a motor vehicle wheel, comprising the steps of:

  • mounting a three-dimensional target on the vehicle wheel, wherein the three-dimensional target comprises first and second target surfaces non-adjacent each other, each of the first and second target surfaces having a plurality of target elements with geometric characteristics and being configured in 3D space in accordance with three-dimensional relationships with respect to each other;

    acquiring a 2D image of the three-dimensional target using a camera; and

    determining alignment of the wheel using a spatial orientation of the three-dimensional target, derived from the 2D image and the three-dimensional relationships among the target elements.

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