OPTICALLY VARIABLE SECURITY ELEMENT, AND VALUE DOCUMENT CONTAINING THE OPTICALLY VARIABLE SECURITY ELEMENT
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United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Mar 8, 2022
filing date -
Apr 13, 2021
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Abstract
An optically variable security element contains a motif region. An optically variable main motif has a contour that is visible to a viewer in the motif region at at least a first viewing angle, and the optically variable main motif includes substructures that are visible to the viewer. The visible substructures are visible along the contour of the main motif. The substructures are sub-motifs that are visible to the viewer, and each of the sub-motifs are provided with a contour.
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