发明名称 SECURITY SYSTEM, PARTICULARLY FOR VALUABLE DOCUMENTS
摘要 <p>The invention relates to a security system especially for security documents, wherein a security element is provided in a carrier plane, that under incident light holographically reconstructs a pattern outside the carrier plane, in which concealed information is stored and having a flat transparent verification element which on flat contact with the security element makes the information stored therein visible. The invention further relates to a security element and a verification element for use in the security system and a security document fitted with the security system. The invention additionally relates to an apparatus and a method for reading out the concealed information which is stored holographically in the pattern reconstructed on the security element under incident light.</p>
申请公布号 EP1319220(A1) 申请公布日期 2003.06.18
申请号 EP20010960674 申请日期 2001.08.17
申请人 GIESECKE & DEVRIENT GMBH 发明人 MENZ, IRINA;DAUSMANN, GUENTHER;AHLERS, BENEDIKT;FRANZ-BURGHOLZ, ARNIM
分类号 B42D15/00;B42D25/29;G07D7/00;G07D7/12;(IPC1-7):G07D7/12 主分类号 B42D15/00
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