Radio Frequency Identification Interrogation Systems and Methods of Operating The Same
First Claim
1. A radio frequency identification (RFID) tag, comprising:
- a substrate having an electronic circuit and an antenna coupled thereto; and
a non-electrical destruction mechanism coupled to the substrate and configured to render said RFID tag inoperative upon an occurrence of an event.
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Abstract
A reply code for a radio frequency identification (RFID) tag, a method of improving a reply code for a radio frequency identification (RFID) tag for interrogation by an interrogator and an RFID tag employing the same. In one embodiment, the reply code includes a preamble having information about a quality of a clock associated with the RFID tag. The reply code also includes a tag identification (ID) code providing a digital signature for the RFID tag. The reply code still further includes an aftamble located aft of the preamble and having information about the quality of the clock. The aftamble cooperates with the preamble to improve a quality of the reply code for interrogation by an interrogator.
164 Citations
20 Claims
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1. A radio frequency identification (RFID) tag, comprising:
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a substrate having an electronic circuit and an antenna coupled thereto; and a non-electrical destruction mechanism coupled to the substrate and configured to render said RFID tag inoperative upon an occurrence of an event. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of operating a radio frequency identification (RFID) tag, comprising:
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providing a substrate having an electronic circuit and an antenna coupled thereto; and rendering said RFID tag inoperative with a non-electrical destruction mechanism coupled to the substrate upon an occurrence of an event. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification