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Coil arrangement for an electromagnetic tracking system

  • US 8,391,952 B2
  • Filed: 10/11/2007
  • Issued: 03/05/2013
  • Est. Priority Date: 10/11/2007
  • Status: Active Grant
First Claim
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1. An electromagnetic tracking system, comprising:

  • at least one transmitter assembly with at least one transmitter coil element;

    at least one receiver assembly with two receiver coil elements attachable to an object to be tracked, the two receiver coil elements spaced apart from each other and positioned asymmetrically with respect to each other so that an axis of a first receiver coil element is neither perpendicular to nor parallel with an axis of a second receiver coil element within the same assembly, the at least one receiver assembly communicating with and receiving signals from the at least one transmitter assembly; and

    electronics coupled to and communicating with the at least one transmitter assembly and the at least one receiver assembly for calculating the position and orientation of the object to be tracked.

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