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    • 5. 发明公开
    • SICHERHEITSELEMENT MIT LINSENRASTERBILD
    • 三叉麻麻麻醉药LINSENRASTERBILD
    • EP2934904A1
    • 2015-10-28
    • EP13814833.3
    • 2013-12-18
    • Giesecke & Devrient GmbH
    • RAHM, MichaelFUHSE, ChristianKAULE, Wittich
    • B42D15/00G02B3/00
    • B42D25/30B42D25/29B42D2035/50G02B3/005G02B5/09G02B27/06
    • The invention contains a security element for securing security papers, documents of value and other data media, comprising a lenticular image for non-scaled depiction of two or more predetermined intended images, wherein the lenticular image contains a lenticular lens and a motif image arranged at a distance from the lenticular lens, wherein the lenticular lens is formed from a plurality of cylindrical micro-lens elements, which are arranged in a grid, by means of which a coordinate system with a first coordinate axis, determined by the focal point lines of the cylindrical micro-lens elements, and a second coordinate axis is spanned, which second coordinate axis is perpendicular to the first coordinate axis, and the motif image is formed from a plurality of elementary cells, which are arranged offset from one another in the grid of the lenticular lens, wherein each of the elementary cells is decomposed into two or more partial areas (28A, 28B) parallel to the first coordinate axis. Here, according to the invention, provision is made for the motif image to be formed by a plurality of optically effective facets (33-1, 33-2, 33-3, 33-4), the orientations of which are determined by the normal vectors thereof, wherein at least two groups of optically effective facets with different orientations are provided in the motif image, and wherein the normal vectors of the optically effective facets do not have a component in the direction of the second coordinate axis, or have a component in the direction of the second coordinate axis, which is smaller than the component in the direction of the first coordinate axis by at least one order of magnitude.
    • 本发明包含用于保护安全纸,价值文件和其他数据介质的安全元件,包括用于非缩放描绘两个或更多个预定图像的透镜图像,其中所述透镜图像包含双凸透镜和布置在 距离双凸透镜的距离,其中双凸透镜由多个圆柱形微透镜元件形成,多个圆柱形微透镜元件布置成格栅,通过该双凸透镜元件具有由焦点线的焦点线确定的具有第一坐标轴的坐标系 圆柱形微透镜元件和第二坐标轴被跨越,该第二坐标轴垂直于第一坐标轴,并且图案图像由多个基本单元形成,多个基本单元在网格中彼此偏移布置 的双凸透镜,其中每个基本单元被分解成平行于第一坐标轴的两个或更多个部分区域(28A,28B)。 这里,根据本发明,提供由多个光学有效小面(33-1,33-2,33-3,34-4)形成的图案图像,其取向由 其中在图案中提供具有不同取向的至少两组具有不同取向的光学有效面的组,其中光学有效面的法向矢量在第二坐标轴的方向上不具有分量,或者具有 在第二坐标轴的方向上的分量比第一坐标轴的方向上的分量小至少一个数量级。
    • 7. 发明公开
    • Micro-optic security and image presentation system
    • Mikrooptisches Sicherheits- und Bilddarstellungssystem
    • EP2385412A2
    • 2011-11-09
    • EP11002547.5
    • 2004-11-22
    • Visual Physics, LLC
    • Steenblik, Richard A.Hurt, Mark J.Jordan, Gregory R.
    • G02B27/22B42D15/00G02B3/00B42D15/10B44F1/06B44F1/10G02B27/06
    • B42D25/41B42D25/00B42D25/29B42D25/342B42D2033/24B42D2035/08B42D2035/20B42D2035/44B44F1/06B44F1/10D21H21/44G02B3/0031G02B3/0043G02B3/0056G02B27/06G02B27/2214Y10T29/49826
    • A synthetic magnification micro-optic system comprising:
      (a) one or more optical spacers;
      (b) a micro image comprised of a periodic planar array of a plurality of image icons having an axis of symmetry about at least one of its planar axes, and positioned on or next to the optical spacer; and
      (c) a periodic planar array of image icon focusing elements having an axis of symmetry about at least one of its planar axes, the axis of symmetry being the same planar axis as that of the micro image planar array,

      each focusing element being an aspheric focusing element having an effective diameter of less than 50 microns and being associated with an image icon, wherein the focal length is shortest for normal viewing and increases as the viewing angle becomes more oblique
      or
      each focusing element being a polygonal base multi-zonal lens;
      wherein the scale ratio of the repeat period of the image icons to the repeat period of the focusing elements is greater than 1 or less than 1 and the axes of symmetry of the periodic planar array of the micro image and the periodic planar array of image icon focusing elements are aligned.
    • 一种合成放大微光学系统,包括:(a)一个或多个光学间隔物; (b)由多个图像图标的周期性平面阵列构成的微图像,所述多个图像图标具有关于其平面轴的至少一个的对称轴,并位于所述光学间隔物上或旁边; 和(c)图像图标聚焦元件的周期性平面阵列,其具有关于其平面轴中的至少一个的对称轴,所述对称轴是与所述微图像平面阵列相同的平面轴,每个聚焦元件是 非球面聚焦元件具有小于50微米的有效直径并且与图像图标相关联,其中焦距对于正常观看是最短的,并且随着视角变得更倾斜而增加,或者每个聚焦元件是多边形基底多区域透镜 ; 其中图像图标的重复周期与聚焦元件的重复周期的比例大于1或小于1,并且微图像的周期性平面阵列和图像图标的周期性平面阵列的对称轴 聚焦元素对齐。