Optically variable colour image
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United States of America Patent
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Mar 15, 2016
Grant Date -
Dec 10, 2015
app pub date -
Jun 28, 2013
filing date -
Jun 29, 2012
priority date (Note) -
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Abstract
A security element including: a plurality of focusing elements, a plurality of image regions where each image region is associated with a focusing element, each image region is printed with at least two layers, the first layer is offset by a first predetermined amount from a reference axis in the image region, the second layer is offset by a second predetermined amount from a reference axis in the image region, each layer being in different colors, and each image region includes at least a first and second sub-region, wherein a first image is formed in a first range of viewing angles from the first sub-region and a second image is formed in a second range of viewing angles from the second sub-region.
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