MICRO-OPTIC SECURITY DEVICE WITH INTERACTIVE DYNAMIC SECURITY FEATURES
A security device includes an image projection system that includes an array of focusing elements (101) and an array of image icon elements (103) disposed relative to each other such that a synthetic image is projected by the image projection system. This synthetic image, along with at least one oth...
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Hauptverfasser: | , , |
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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