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REVERSIBLY DEACTIVATING A RADIO FREQUENCY IDENTIFICATION DATA TAG

  • US 20070152829A1
  • Filed: 12/19/2006
  • Published: 07/05/2007
  • Est. Priority Date: 04/30/2004
  • Status: Active Grant
First Claim
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1. A system for reducing the risk of unwanted scanning of an article comprising an RFID circuit, wherein the RFID circuit comprises a data circuit comprising:

  • an RFID chip;

    an antenna for receiving and emitting radio frequency signals from an external RFID scanner;

    a connection joining the antenna and the RFID chip; and

    an environmentally sensitive switch in communication with at least one part of the RFID circuit such that the RFID scanning of the RFID circuit is substantially disabled when the state of the switch is off, and enabled when the state of the switch is on, the state of the switch being determined by an environmental factor that can be selectively controlled by a user.

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