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Method and apparatus for disabling an active data tag device

  • US 7,855,644 B2
  • Filed: 06/06/2008
  • Issued: 12/21/2010
  • Est. Priority Date: 06/06/2008
  • Status: Expired due to Fees
First Claim
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1. A method of changing an operating mode of a RFID data tag device, the data tag device having tag circuitry and a battery carrier configured to allow removal and replacement of a battery in a non-destructive manner, the battery providing power to the tag circuitry, the method comprising:

  • operating the data tag device in an active mode while the battery is present in the data tag device;

    removing the battery from the battery from the data tag device non-destructively;

    detecting removal of the battery from the data tag device;

    changing tag data stored on the data tag device in response to detecting the removal of the battery; and

    ceasing operation of the data tag device in the active mode and then operating the data tag device in a passive mode.

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