Data carrier authentication using alternative security features
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United States of America Patent
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Nov 13, 2012
Grant Date -
Oct 8, 2009
app pub date -
Aug 3, 2007
filing date -
Aug 3, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for authenticating a data carrier that is associated with at least two security features that can be independently used to authenticate the data carrier, the method comprising using a first one of the security features to authenticate the data carrier and switching to using a second security feature in place of the first security feature in response to a switch security feature command.
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