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    • 9. 发明授权
    • Automated holographic optical recognition and decoding system for
verification
    • 自动全息光学识别和解码系统进行验证
    • US5432329A
    • 1995-07-11
    • US982299
    • 1992-11-25
    • Gilbert Colgate, Jr.Lily O'Boyle
    • Gilbert Colgate, Jr.Lily O'Boyle
    • G06K19/08G06K19/16G07F7/08G06K19/00
    • G07F7/086G06K19/08G06K19/083G06K19/16
    • The present invention discloses a method of automatically decoding holographic signals by establishing an optical clock and performing subsequent optical signal analysis. In addition to a primary holographic image, the present invention comprises an optical image which generates a periodic pattern to create an optical clock for initializing the data reading device. By using a light source illuminating the optical image, diffraction signals are received by the detector(s). With a scanning (swiping) motion, signals of the optical clock and the primary image are read and the signals are processed and compared. The optical pattern can further be processed through an encryption algorithm and stored in a magnetic stripe, computer chip, hand held processor or a host computer for verification.
    • 本发明公开了一种通过建立光时钟并执行后续光信号分析来自动解码全息信号的方法。 除了主要全息图像之外,本发明还包括产生周期性图案以创建用于初始化数据读取装置的光时钟的光学图像。 通过使用照射光学图像的光源,衍射信号由检测器接收。 通过扫描(滑动)运动,读取光时钟和主图像的信号,并对信号进行处理和比较。 光学图案可以进一步通过加密算法进行处理,并存储在磁条,计算机芯片,手持处理器或主计算机中以进行验证。