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Radio frequency identification (RFID) system

  • US 20060122934A1
  • Filed: 12/07/2004
  • Published: 06/08/2006
  • Est. Priority Date: 12/07/2004
  • Status: Abandoned Application
First Claim
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1. A method of interrogating an RFID label, utilising an RFID interrogation system operable by a vendor, the method comprising the steps of:

  • transmitting an interrogation signal which is receivable by RFID labels within an area so as to interrogate any RFID labels in that area; and

    only receiving an intelligible return signal from an RFID label when the RFID label was issued by the same vendor.

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