RFID disablement detection of tampering
First Claim
Patent Images
1. A device for signaling a change in state of an object, the device comprising:
- a radio frequency identification tag; and
a component for disabling the radio frequency identification tag responsive to a change in state of the object.
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Abstract
Radio Frequency identification (“RFID”) tags are affixed to objects in such a way as to reliably change state in response to a trigger event. The change in state of an RFID tag based on a trigger event is used to indicate a change in state of an object associated with the RFID tag. The state of an RFID tag can be remotely detected with an RFID reader. Thus, the change in state of the object associated with the RFID tag can also be remotely detected.
69 Citations
41 Claims
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1. A device for signaling a change in state of an object, the device comprising:
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a radio frequency identification tag; and
a component for disabling the radio frequency identification tag responsive to a change in state of the object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A device for signaling a change in state of an object, the device comprising:
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a radio frequency identification tag; and
a component for enabling the radio frequency identification tag responsive to a change in state of the object. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A method of detecting a change in state of an object, the method comprising:
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receiving a signal from a radio frequency identification tag; and
receiving an indication that the radio frequency identification tag has been disabled responsive to a change in state of the object. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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Specification