专利名称：A SECURITY FEATURE发明人：Juan SANCHEZ-CASTANO申请号：US16098809申请日：20170503
公开号：US20190135017A1公开日：20190509
专利附图：
摘要：The invention relates to a security feature () comprising cells (A), wherein atleast a predetermined number of the cells (A) have an equiangular quadrilateral base andeach cell (A, B, C, ) of the predetermined number of the cells (A) has facets () for forminga plurality of images, wherein each of these images is observable from a different
direction. Each facet () for forming an image has at least three vertices with a differentheight (H) in a three dimensional space.
申请人：N.V. QUIDING
地址：Schiedam NL
国籍：NL
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