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    • 2. 发明申请
    • Item with an optical effect
    • 具有光学效果的物品
    • US20070075150A1
    • 2007-04-05
    • US11511474
    • 2006-08-29
    • Markus LuthiMatthias ReinholdRene Hauser
    • Markus LuthiMatthias ReinholdRene Hauser
    • G06K19/06G06K19/00
    • B42D25/342
    • An item with a surface area creating an optical effect to increase protection against forgery is such that the surface area with the optical effect exhibits at least two images (12, 14) spaced a distance (d) apart. A first image (12) is situated on the surface (11) of a layer of material (10) and the second image (14) is virtual and, by holographic coding, appears to lie a distance (d) from the first image (12). By changing the angle of viewing, the optical perception of the whole image formed by the overlapping of the images (12, 14) changes, whereby the images (12, 14) are matched with respect to each other such that they demonstrate Moiré interference effects. A preferred application for the item is packaging, packaging material, packaging aids, bonds or entry tickets with forgery-proof and/or optically demanding surface area.
    • 具有产生光学效果以增加防伪的保护的表面积的物品使得具有光学效果的表面区域呈现间隔开距离(d)的至少两个图像(12,14)。 第一图像(12)位于材料层(10)的表面(11)上,并且第二图像(14)是虚拟的,并且通过全息编码看起来与第一图像(d)距离(d) 12)。 通过改变观察角度,由图像(12,14)的重叠形成的整个图像的光学感知改变,由此图像(12,14)彼此匹配,使得它们表现出莫尔干涉效应 。 该物品的优选申请是包装,包装材料,包装辅助材料,债券或入场券,具有防伪和/或光线要求很高的表面积。