System and method for authenticating objects using non-visually observable encoded indicia
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United States of America Patent
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Aug 12, 2008
Grant Date -
Dec 8, 2005
app pub date -
Aug 4, 2005
filing date -
Mar 27, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for authenticating an object is provided. The method comprises optically encoding an authentication image to produce an encoded image and applying the encoded image to an object in a layer of non-visible indicia to form a non-visible encoded image. The non-visible encoded image may be rendered visible and decoded to allow the authentication image to be viewed.
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