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    • 64. 发明公开
    • OPTICAL EFFECT LAYERS SHOWING A VIEWING ANGLE DEPENDENT OPTICAL EFFECT; PROCESSES AND DEVICES FOR THEIR PRODUCTION; ITEMS CARRYING AN OPTICAL EFFECT LAYER; AND USES THEREOF
    • 与具有光学效应和层的文章视角依赖的光学效果,方法和制造设备的光学效果蛋鸡及其用途
    • EP2943291A2
    • 2015-11-18
    • EP14700155.6
    • 2014-01-07
    • Sicpa Holding SA
    • SCHMID, MathieuLOGINOV, EvengyDESPLAND, Claude AlainDEGOTT, Pierre
    • B05D3/00B41M3/14B42D15/00
    • The invention relates to the field of the protection of security documents such as for example banknotes and identity documents against counterfeit and illegal reproduction. In particular, the invention relates to optical effect layers (OEL) showing a viewing-angle dependent optical effect, devices and processes for producing said OEL and items carrying said OEL, as well as uses of said optical effect layers as an anti-counterfeit means on documents. The OEL comprises a plurality of non-spherical magnetic or magnetizable particles, which are dispersed in a coating composition comprising a binder material, wherein in at least a loop-shaped area of the OEL at least a part of the plurality of non-spherical magnetic or magnetizable particles are oriented such that their longest axis is substantially parallel to the plane of the OEL, and wherein, in a cross-section perpendicular to the OEL and extending from the center of the central area, the longest axis of the oriented particles present in the loop-shaped area forming the impression of the loop-shaped body follow a tangent of either a negatively curved or a positively curved part of a hypothetical ellipse or circle.
    • 本发明涉及安全文件的保护领域:例如纸币和打击假冒和非法复制身份证件。 特别地,本发明涉及到示出了视场角,用于产生所述OEL相关的光学效果,装置和方法的光学效果层(OEL)和物品承载所述OEL,以及所述光学效应层的用途如在防伪手段 上的文档。 的OEL包括非球形磁性或可磁化颗粒,其分散在涂料组合物包含粘结材料,worin的中的多个OEL的至少非球形磁性的多个部分的至少一个环形区域 或可磁化颗粒被定向搜索做他们的最长轴线基本上平行于OEL的平面上,并且worin,在一横截面垂直于OEL和从中心区域,存在于取向颗粒的最长轴线的中心延伸 在形成环状体的印象环状区域按照要么带负弯曲的或假想的椭圆或圆的正弯部的切线。
    • 67. 发明公开
    • NON-PERIODIC TILING DOCUMENT SECURITY ELEMENT
    • NIC UNG UNG UNG UNG MENTS MENTS MENTS MENTS MENTS MENTS MENTS MENTS MENTS MENTS MENTS MENTS
    • EP2928697A1
    • 2015-10-14
    • EP13779883.1
    • 2013-10-23
    • Sicpa Holding SA
    • MÜLLER, Edgar
    • B42D15/00
    • B42D25/378B41M3/14B42D25/21B42D25/29B42D2035/14B42D2035/34G06T11/001G07D7/2016G07D7/2041
    • 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.
    • 本发明涉及一种安全元件,该安全元件包括作为认证和伪造保护装置的二维非周期性准晶面瓦片,所述平铺以材料或材料修饰的形式被实施 说的元素 本发明还涉及包括所述安全元件的文档,所述安全元件用作文档的认证和伪造保护装置以及保护文档免于伪造的方法,该方法包括以下步骤: 在由所述文件包括的安全元件中或其上的材料或材料修饰形式的二维非周期性,准晶体平铺。 本发明还涉及一种用于认证携带二维非周期性,准晶体拼贴的文档作为认证特征的方法,包括计算所述文档或文章的获取图像的傅立叶变换并比较 所述傅里叶变换的离散部分与二维非周期性,准晶面板的离散傅里叶变换作为认证特征,从而得出真实性指示。