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    • 9. 发明申请
    • Method and Ink Sets for Marking and Authenticating Articles
    • 用于标记和认证文章的方法和墨水组
    • US20110043789A1
    • 2011-02-24
    • US12870473
    • 2010-08-27
    • Pierre DegottClaude-Alain DesplandEdgar Müller
    • Pierre DegottClaude-Alain DesplandEdgar Müller
    • G01N21/25G06K9/74G06F17/18
    • C09D11/50B41M3/14G07D7/1205
    • 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. The security article is marked with 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 marking is authenticated by mathematically transforming crude spectral information to statistically independent hyper-color coordinates, and comparing selected hyper-color coordinates with corresponding reference values.
    • 一种用于标记和认证诸如钞票,文件,票,箔,线,标签,卡或商业商品的安全物品的方法,以便通过以下方式提供所述物品的简单认证 机器,例如货币接收器,票证验证器或手持认证装置。 安全物品用用户定义的设计标记,其中所述标记包括属于延伸的或超色度色彩空间的染料或颜料,其不可由市售的4色桌面再现设备再现。 通过将粗略的光谱信息数学转换为统计学上独立的超色坐标,并将选定的超颜色坐标与相应的参考值进行比较,来对该标记进行认证。