GRATING IMAGE HAVING MUTUALLY ADJOINING GRATING FIELDS

The invention relates to a grating image (40) having a multiplicity of mutually adjoining grating fields (G0, G1, G2) having a diffuse, viewing-angle-dependent visual appearance, wherein each grating field (G0, G1, G2) is filled within its contour with a grating pattern (M0, M1, M2) composed of a mu...

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Bibliographische Detailangaben
Hauptverfasser:	GERHARDT, Thomas, DICHTL, Marius, AMTHOR, Falk
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BOOK COVERS BOOKBINDING CALCULATING COMPUTING COUNTING DECORATIVE ARTS DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES HANDLING RECORD CARRIERS LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS PRESENTATION OF DATA PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR RECOGNITION OF DATA RECORD CARRIERS SPECIAL DESIGNS OR PICTURES SPECIAL PRINTED MATTER TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention relates to a grating image (40) having a multiplicity of mutually adjoining grating fields (G0, G1, G2) having a diffuse, viewing-angle-dependent visual appearance, wherein each grating field (G0, G1, G2) is filled within its contour with a grating pattern (M0, M1, M2) composed of a multiplicity of straight ruled grating lines, wherein each grating pattern (M0, M1, M2) has a preferred direction that defines a viewing angle from which the respective grating pattern (M0, M1, M2) is visually discernible. According to the invention, in this case at least two mutually adjoining grating fields (G1, G2) have in each case a non-smooth-edged contour (34) along their common contour region.