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METHOD FOR SWITCHING AN RFID TAG FROM DEEP SLEEP TO ACTIVE MODE

  • US 20100214079A1
  • Filed: 02/12/2010
  • Published: 08/26/2010
  • Est. Priority Date: 02/25/2009
  • Status: Abandoned Application
First Claim
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1. A method for switching an active RFID tag from a deep sleep mode into an active mode, the method comprises the steps of:

  • providing the active RFID tag with a microcontroller, an antenna, a transmitter connected with the antenna, and a battery; and

    providing a detector connected to the active RFID tag for receiving an external energy pulse providing a wake-up pulse to the microcontroller, the wake-up pulse having an effect of opening a brief radio frequency listen window allowing the active RFID tag to receive a message containing an instruction to switch to an active mode.

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