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Electronically Switchable RFID Tags

  • US 20070109101A1
  • Filed: 07/19/2006
  • Published: 05/17/2007
  • Est. Priority Date: 05/06/2005
  • Status: Active Grant
First Claim
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10. A RFID tag comprising:

  • a mechanical switch;

    an antenna configured to receive data in a first RF signal, to receive energy from the first RF signal, and to transmit data in a second RF signal; and

    integrated circuitry including an input configured to receive data from the antenna, an output configured to provide the second RF signal to the antenna for transmission, a state memory configured to store an state of the RFID tag, and a switch logic configured to receive data from the input, and to determine whether or not to provide the second RF signal to the antenna for transmission, the determination being responsive to the state stored in the state memory or the mechanical switch.

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