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Radio frequency identification device with visual indicator

  • US 8,378,828 B2
  • Filed: 01/13/2009
  • Issued: 02/19/2013
  • Est. Priority Date: 12/29/2004
  • Status: Active Grant
First Claim
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1. A method of using a radio frequency identification (RFID) device, the method comprising:

  • disabling normal operation of the device, thereby placing the device in a disabled state; and

    a visual indicator providing a visual indication on a display of the device, wherein the visual indication indicates the disabled state; and

    wherein the visual indicator selectively displays or obscures underlying printed material under the display.

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