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NON-PERIODIC TILING DOCUMENT SECURITY ELEMENT
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Title:
NON-PERIODIC TILING DOCUMENT SECURITY ELEMENT
Author:
MLLER, EDGAR
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
Description:
The present invention is related to a security element comprising, as an authentication and forgery-protection means, a 2-dimensional non-periodic, quasi-crystalline tiling, said tiling being embodied in the form of a material or a material modification in or on said element. The present invention is also related to a document comprising said security element, the use of said security element as an authentication and forgery-protection means for a document, as well as to a method protecting a document against forgery, comprising a step of embodying a 2-dimensional non-periodic, quasi-crystalline tiling, in the form of a material or a material modification in or on a security element comprised by said document. The present invention is also related to a method for authenticating a document carrying a 2-dimensional non-periodic, quasi-crystalline tiling as an authenticating feature, comprising a step of calculating the Fourier Transform of an acquired image of said document or article and comparing the discrete parts of said Fourier Transform with the discrete Fourier Transform of a 2-dimensional non-periodic, quasi-crystalline tiling serving as the authenticating feature, hereby deriving an authenticity indication.
Creation Date:
2016
Language:
Chinese;English
Source:
esp@cenet
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