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SYSTEMS AND METHODS FOR STIRRING ELECTROMAGNETIC FIELDS AND INTERROGATING STATIONARY RFID TAGS

  • US 20080024273A1
  • Filed: 06/21/2007
  • Published: 01/31/2008
  • Est. Priority Date: 06/21/2006
  • Status: Active Grant
First Claim
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1. A method of stirring an electromagnetic field during RFID tag interrogation to move peaks and valleys in field intensities comprising:

  • introducing a conductor having a width greater than the wavelength of the electromagnetic field into the interrogating electromagnetic field; and

    moving the position of the conductor within the interrogating electromagnetic field

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