Self-authenticating documents with printed or embossed hidden images
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United States of America Patent
Stats
-
Feb 2, 2010
Grant Date -
Dec 28, 2006
app pub date -
Aug 18, 2006
filing date -
Nov 29, 1995
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A self-authenticating article comprising a substrate having an image receiving surface and a lenticular lens is provided. The lenticular lens has a predetermined lens frequency and is configured for optically decoding encoded indicia viewed therethrough. The lens is attached to the substrate so that the lens can be selectively positioned to overlie the image receiving surface to decode encoded indicia printed thereon. The self-authenticating article further comprises an encoded image on the image receiving surface, the encoded image comprising at least one of the set consisting of printed indicia and indicia formed as variations in surface geometry of the image receiving surface. The surface geometry variations may comprise raised and non-raised areas surface areas that combine to define at least a portion of the indicia.
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