Counterfeit and tamper resistant labels with randomly occurring features
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United States of America Patent
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Feb 1, 2011
Grant Date -
Feb 25, 2010
app pub date -
Feb 23, 2009
filing date -
Feb 27, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Techniques are disclosed to enable utilization of randomly-occurring features of a label (whether embedded or naturally inherent) to provide counterfeit-resistant and/or tamper-resistant labels. More specifically, labels including randomly-occurring features are scanned to determine the labels' features. The information from the scan is utilized to provide identifying indicia which uniquely identifies each label and may be later verified against the label features that are present to determine whether the label is genuine. In a described implementation, the identifying indicia may be cryptographically signed.
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