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    • 8. 发明授权
    • Printed matter identifying apparatus
    • 印刷品识别装置
    • US4547896A
    • 1985-10-15
    • US392476
    • 1982-06-28
    • Ko OhtombeTsuyoshi IshidaHideo OsawaKenji Nagahashi
    • Ko OhtombeTsuyoshi IshidaHideo OsawaKenji Nagahashi
    • G07D7/00G07D7/06G07D7/12G07D7/20G06K9/26
    • G07D7/12G07D7/121G07D7/20
    • In a printed matter identifying apparatus of the present invention, the light source illuminates the detecting fields of the note. The reflected light-waves from the detecting fields are lead to the light receivers through the focusing lenses, the diffusion plates, the optical slits, the light conducting paths and red color transmitting and blue color transmitting filters. The output signals from the light receivers are amplified by the amplifiers and sampled by the sampling circuits. Among the sampled color component signals, the red component signals are applied to the subtracter to produce the red component difference signal and the blue component signals are applied to the adder to produce the blue component sum signal. These different signal and sum signal are applied to the comparators respectively and compared with the reference signals read out from the memory. The output signals from the comparators are supplied to the judgment circuit where the judgment of the printed matter is performed.
    • 在本发明的印刷品识别装置中,光源照亮纸币的检测区域。 来自检测区域的反射光波通过聚焦透镜,扩散板,光学狭缝,导光路径和红色透射和蓝色发射滤光器而导致光接收器。 来自光接收器的输出信号由放大器放大并由采样电路采样。 在采样的彩色分量信号中,将红色分量信号施加到减法器以产生红色分量差分信号,并将蓝色分量信号施加到加法器以产生蓝色分量和信号。 将这些不同的信号和和信号分别施加到比较器,并与从存储器读出的参考信号进行比较。 来自比较器的输出信号被提供给执行打印物的判断的判断电路。