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Dual Use RFID/EAS Device

  • US 20110133898A1
  • Filed: 02/17/2011
  • Published: 06/09/2011
  • Est. Priority Date: 12/03/2007
  • Status: Active Grant
First Claim
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1. A radio frequency identification (RFID) device comprising:

  • a chip having a first set of contacts and a second set of contacts;

    a first antenna for connection to the first set of contacts;

    a second antenna for connection to the second set of contacts;

    wherein the chip includes circuitry to selectively operate the RFID device two modes;

    a relatively low sensitivity RFID mode used for communicating with RFID readers/detectors; and

    a relatively high sensitivity electronic article surveillance (EAS) mode for communicating as EAS readers/detectors.

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