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Target system for use with position determination system

  • US 6,658,751 B2
  • Filed: 10/28/2002
  • Issued: 12/09/2003
  • Est. Priority Date: 06/28/2000
  • Status: Expired due to Term
First Claim
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1. A method for obtaining a location of a position on an object using a target system, wherein the target system includes a target body, at least one target elements disposed on the target body, and a point definer extending from the target body, the point definer including a point capable of being located adjacent the position on the object, the method comprising the steps of:

  • imaging the at least one target element of the target system when the target body of the target system is positioned in at least three different locations while fixing the point of the point definer adjacent to the position on the object;

    determining the location of the target body at each of the at least three different locations based on images of the at least one target pattern obtained in the imaging step; and

    determining the location of the point of the point definer based on the at least three different locations of the target body.

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