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    • 31. 发明申请
    • Method and ink sets for marking and authenticating articles
    • 用于标记和认证物品的方法和墨水组
    • US20060017957A1
    • 2006-01-26
    • US10528264
    • 2003-09-05
    • Pierre DegottClaude-Alain Despland
    • Pierre DegottClaude-Alain Despland
    • G06K15/00G06F15/00C09D11/00
    • C09D11/50B41M3/14G07D7/1205
    • The invention discloses a method for marking and authenticating a security article, such as a banknote, a document, a ticket, a foil, a thread, a label, a card, or a commercial good, so as to provide for an easy authentication of said article by a machine, such as a currency acceptor, a ticket validator, or a hand-held authentication device. According to the disclosed method, the security article carries a marking in the form of a user-defined design, wherein said marking comprises dyes or pigments belonging to an extended, or hyperchromic color space which is not reproducible by commercially available, 4-color desktop reproduction equipment. The authentication of said marking includes the mathematical transformation of the crude spectral information to statistically independent hyper-color coordinates, and the comparison of selected hyper-color coordinates with corresponding reference values.
    • 本发明公开了一种用于标记和认证诸如纸币,文件,票据,箔,线,标签,卡或商业商品的安全物品的方法,以便提供简单的认证 由货币接收器,票证验证器或手持认证装置等机器所述的物品。 根据所公开的方法,安全物品以用户定义的设计的形式携带标记,其中所述标记包括属于延伸的或超色彩色空间的染料或颜料,其不可由市售的4色桌面 复制设备。 所述标记的认证包括粗略光谱信息到统计学独立的超色坐标的数学变换,以及所选择的超颜色坐标与对应参考值的比较。