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Wireless electromagnetic tracking system using a nonlinear passive transponder

  • US 20050012597A1
  • Filed: 07/02/2003
  • Published: 01/20/2005
  • Est. Priority Date: 07/02/2003
  • Status: Abandoned Application
First Claim
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1. A transponder in a wireless electromagnetic tracking system, said transponder including:

  • a coil for transmitting a signal in a wireless electromagnetic tracking system; and

    a rectifying device connected in parallel with said coil.

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