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公开(公告)号:US20040182923A1
公开(公告)日:2004-09-23
申请号:US10391130
申请日:2003-03-18
发明人: Amy L. Bench , David L. Patton , Robert P. Bourdelais , Cheryl J. Kaminsky , John P. Spoonhower
IPC分类号: G06K005/00
CPC分类号: G06K7/1417 , E05B49/006 , G06K1/123 , G06K1/126 , G06K7/10732 , G06K7/12 , G06K19/06037 , G06K19/06046 , G06K2019/06271 , G07C2209/41
摘要: A system and security card comprising a support substrate having a diffuse layer disposed thereon, the support substrate having a substantially uniform light transmitting characteristic, the lens layer having a predetermined pattern area formed thereon such that when light is transmitted through the support substrate and the diffuse layer a unique pattern is produced that can be read from the light passing there through.
摘要翻译: 一种系统和安全卡,包括其上设置有扩散层的支撑基板,所述支撑基板具有基本上均匀的透光特性,所述透镜层具有形成在其上的预定图案区域,使得当光透过所述支撑基板并且所述漫射层 产生一层独特的图案,可以从通过的光中读取。