SECURITY ELEMENT HAVING A MICROMIRROR ARRANGEMENT FOR PRODUCING AN OPTICALLY VARIABLE EFFECT AND PRODUCTION METHOD FOR THE SECURITY ELEMENT
The invention relates to a security element for a security paper, valuable document or the like, wherein a plurality of micromirrors is arranged in a distribution on a substrate, wherein each micromirror illuminates at a specific illumination at a specified angle of observation, which is dependent o...
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| creator | FUHSE, Christian DEHMEL, Raphael |
| description | The invention relates to a security element for a security paper, valuable document or the like, wherein a plurality of micromirrors is arranged in a distribution on a substrate, wherein each micromirror illuminates at a specific illumination at a specified angle of observation, which is dependent on an alignment of the respective micromirror to a surface normal of the substrate, and the security element presents a light/dark theme having a local resolution and shows, as a motion effect for the theme, different views of the theme depending on the angle of observation, in that a subset of the micromirrors illuminates in each view, wherein the subsets are nested into each other in the distribution in respect of the position of the micromirrors thereof. The nesting is such that, at locations of the distribution at which, in one view, a light point of a first view is located and a dark point of a second view is simultaneously located, only one micromirror in a subset is provided for the first view, but not for the second view. |
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The nesting is such that, at locations of the distribution at which, in one view, a light point of a first view is located and a dark point of a second view is simultaneously located, only one micromirror in a subset is provided for the first view, but not for the second view.</description><language>eng ; fre ; ger</language><subject>BOOK COVERS ; BOOKBINDING ; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR ; FILES ; LOOSE LEAVES ; MOVABLE-STRIP WRITING OR READING APPARATUS ; PERFORMING OPERATIONS ; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES ; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR ; SPECIAL PRINTED MATTER ; TRANSPORTING</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200318&DB=EPODOC&CC=EP&NR=3621819A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25551,76302</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200318&DB=EPODOC&CC=EP&NR=3621819A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>FUHSE, Christian</creatorcontrib><creatorcontrib>DEHMEL, Raphael</creatorcontrib><title>SECURITY ELEMENT HAVING A MICROMIRROR ARRANGEMENT FOR PRODUCING AN OPTICALLY VARIABLE EFFECT AND PRODUCTION METHOD FOR THE SECURITY ELEMENT</title><description>The invention relates to a security element for a security paper, valuable document or the like, wherein a plurality of micromirrors is arranged in a distribution on a substrate, wherein each micromirror illuminates at a specific illumination at a specified angle of observation, which is dependent on an alignment of the respective micromirror to a surface normal of the substrate, and the security element presents a light/dark theme having a local resolution and shows, as a motion effect for the theme, different views of the theme depending on the angle of observation, in that a subset of the micromirrors illuminates in each view, wherein the subsets are nested into each other in the distribution in respect of the position of the micromirrors thereof. 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The nesting is such that, at locations of the distribution at which, in one view, a light point of a first view is located and a dark point of a second view is simultaneously located, only one micromirror in a subset is provided for the first view, but not for the second view.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | BOOK COVERS BOOKBINDING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR SPECIAL PRINTED MATTER TRANSPORTING |
| title | SECURITY ELEMENT HAVING A MICROMIRROR ARRANGEMENT FOR PRODUCING AN OPTICALLY VARIABLE EFFECT AND PRODUCTION METHOD FOR THE SECURITY ELEMENT |
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