发明名称 IMAGE DISCRIMINATION UNIT
摘要 <P>PROBLEM TO BE SOLVED: To provide an image discrimination unit for discriminating an image of a latent image in a perforation group of an image forming body in which a group of fine perforations is formed on a base. <P>SOLUTION: The unit for discriminating the image of the latent image in the perforation group of the image forming body in which the group of fine perforations formed on the base includes a light emitter to emit light; a light transmissive support body to transmit the light from the emitter and also for mounting the image forming body; and a latent image display filter which displays a transmitted light passed through the image forming body and on which a discrimination pattern consisting of a stripe pattern or a dot pattern is formed. <P>COPYRIGHT: (C)2006,JPO&NCIPI
申请公布号 JP2006003937(A) 申请公布日期 2006.01.05
申请号 JP20040176385 申请日期 2004.06.15
申请人 NATIONAL PRINTING BUREAU 发明人 KIMURA KENICHI;MIZOGAMI JUN
分类号 G07D7/00;B42D15/10;G06K17/00;G06K19/06;G06K19/10;G07D7/12 主分类号 G07D7/00
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