Invisible encoded indicia comprised of latent image
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
May 5, 2005
app pub date -
Oct 12, 2004
filing date -
Oct 10, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A security device and method for visually scrambling a graphic element to provide a scrambled image and imparting the scrambled image to a substrate to form an invisible latent image that can be visualized by rendering the invisible latent image temporarily visible and descrambling the temporarily visible latent image. The device further comprises a decoding device for visualizing the graphic element by rendering the latent image temporarily visible and descrambling the temporarily visible latent image.
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Cited Art Landscape
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