发明名称 SECURITY DOCUMENT WITH TRANSPARENT WINDOWS
摘要 The invention concerns a security document (1) comprising a transparent window (12) in which a first optical element (15) is arranged and a second transparent window (13) in which a second optical element (16) is arranged. The first transparent window (12) and the second transparent window (13) are arranged on a carrier (11) of the security document (1) in mutually spaced relationship in such a way that the first and the second optical elements (15, 16) can be brought into overlapping relationship with each other. The first optical element (15) has a first transmissive microlens field and the second optical element (16) has a second transmissive microlens field, wherein a first optical effect is produced upon overlap of the second microlens field with the first microlens field.
申请公布号 CA2580288(A1) 申请公布日期 2006.03.23
申请号 CA20052580288 申请日期 2005.09.07
申请人 OVD KINEGRAM AG 发明人 SCHILLING, ANDREAS;TOMPKIN, WAYNE ROBERT
分类号 G07D7/12;B42D15/00 主分类号 G07D7/12
代理机构 代理人
主权项
地址