Method of identifying a copied security document
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United States of America Patent
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-
Dec 9, 2008
Issued Date -
N/A
app pub date -
Sep 28, 2007
filing date -
May 18, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of determining a counterfeit security document which includes a number of coded data portions indicative of an identity of the security document; and at least part of a digital signature of at least part of the identity. The method includes using a sensing device to sense at least one coded data portion and generate indicating data. The indicating data is used by a processor to obtain a determined identity and at least one determined signature part, which are then used to determine if the security document is a counterfeit document.
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