OPTICAL DEVICE HAVING A HIDDEN DEPICTION
An optical device, preferably a security device for a security document, including: a transparent or translucent substrate having a first side and a second side; a first depiction layer located on the first side of the substrate defining a first depiction; and a first masking layer, comprising a fir...
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| creator | Tierney, Chris |
| description | An optical device, preferably a security device for a security document, including: a transparent or translucent substrate having a first side and a second side; a first depiction layer located on the first side of the substrate defining a first depiction; and a first masking layer, comprising a first optically variable ink, and a second masking layer, comprising an optically variable ink, located at least partially overlapping the first depiction layer, wherein the first depiction is at least substantially opaque and has a low contrast with respect to the appearance of the first and second masking layers when viewed in reflection, such that the first depiction is identifiable and substantially more visible when viewed in transmission than when viewed in reflection, and method for the manufacture thereof. |
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and a first masking layer, comprising a first optically variable ink, and a second masking layer, comprising an optically variable ink, located at least partially overlapping the first depiction layer, wherein the first depiction is at least substantially opaque and has a low contrast with respect to the appearance of the first and second masking layers when viewed in reflection, such that the first depiction is identifiable and substantially more visible when viewed in transmission than when viewed in reflection, and method for the manufacture thereof.</description><language>eng</language><subject>BOOK COVERS ; BOOKBINDING ; COLOUR PRINTING ; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR ; FILES ; LINING MACHINES ; 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 ; PRINTING ; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES ; 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a first depiction layer located on the first side of the substrate defining a first depiction; and a first masking layer, comprising a first optically variable ink, and a second masking layer, comprising an optically variable ink, located at least partially overlapping the first depiction layer, wherein the first depiction is at least substantially opaque and has a low contrast with respect to the appearance of the first and second masking layers when viewed in reflection, such that the first depiction is identifiable and substantially more visible when viewed in transmission than when viewed in reflection, and method for the manufacture thereof.</description><subject>BOOK COVERS</subject><subject>BOOKBINDING</subject><subject>COLOUR PRINTING</subject><subject>DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR</subject><subject>FILES</subject><subject>LINING MACHINES</subject><subject>LOOSE LEAVES</subject><subject>MOVABLE-STRIP WRITING OR READING APPARATUS</subject><subject>PERFORMING OPERATIONS</subject><subject>PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES</subject><subject>PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR</subject><subject>PRINTING</subject><subject>PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES</subject><subject>SPECIAL PRINTED MATTER</subject><subject>STAMPS</subject><subject>TRANSPORTING</subject><subject>TYPEWRITERS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNDwDwjxdHb0UXBxDfN0dlXwcAzz9HNXcFTw8HRxcfUDCgd4Ood4-vvxMLCmJeYUp_JCaW4GZTfXEGcP3dSC_PjU4oLE5NS81JL40GAjA0MLQ3MLU3MLR0Nj4lQBAHJxJMY</recordid><startdate>20180628</startdate><enddate>20180628</enddate><creator>Tierney, Chris</creator><scope>EVB</scope></search><sort><creationdate>20180628</creationdate><title>OPTICAL DEVICE HAVING A HIDDEN DEPICTION</title><author>Tierney, Chris</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2018178578A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2018</creationdate><topic>BOOK COVERS</topic><topic>BOOKBINDING</topic><topic>COLOUR PRINTING</topic><topic>DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR</topic><topic>FILES</topic><topic>LINING MACHINES</topic><topic>LOOSE LEAVES</topic><topic>MOVABLE-STRIP WRITING OR READING APPARATUS</topic><topic>PERFORMING OPERATIONS</topic><topic>PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES</topic><topic>PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR</topic><topic>PRINTING</topic><topic>PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES</topic><topic>SPECIAL PRINTED MATTER</topic><topic>STAMPS</topic><topic>TRANSPORTING</topic><topic>TYPEWRITERS</topic><toplevel>online_resources</toplevel><creatorcontrib>Tierney, Chris</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Tierney, Chris</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>OPTICAL DEVICE HAVING A HIDDEN DEPICTION</title><date>2018-06-28</date><risdate>2018</risdate><abstract>An optical device, preferably a security device for a security document, including: a transparent or translucent substrate having a first side and a second side; a first depiction layer located on the first side of the substrate defining a first depiction; and a first masking layer, comprising a first optically variable ink, and a second masking layer, comprising an optically variable ink, located at least partially overlapping the first depiction layer, wherein the first depiction is at least substantially opaque and has a low contrast with respect to the appearance of the first and second masking layers when viewed in reflection, such that the first depiction is identifiable and substantially more visible when viewed in transmission than when viewed in reflection, and method for the manufacture thereof.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BOOK COVERS BOOKBINDING COLOUR PRINTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LINING MACHINES 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 PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SPECIAL PRINTED MATTER STAMPS TRANSPORTING TYPEWRITERS |
| title | OPTICAL DEVICE HAVING A HIDDEN DEPICTION |
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