IDENTIFICATION DOCUMENT WITH AN IMPROVED ANTI-COUNTERFEITING ELEMENT
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United States of America Patent
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Issued Date -
Dec 8, 2011
app pub date -
Dec 18, 2009
filing date -
Dec 18, 2008
priority date (Note) -
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Abstract
An identification document including a translucent portion is provided. The translucent portion has a first side and a second side, and includes a first personalized information. The first personalized information includes a second personalized information which is hidden in the first personalized information when viewed from the first side of the translucent portion. A filtering device is attached to or formed in the second side of the translucent portion. The filtering device is configured to reveal the hidden second personalized information. The second personalized information appears superimposed onto the first personalized information when viewed from the second side of the translucent portion, and remains hidden when viewed from the first side of the translucent portion.
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