| 发明名称 |
PRINTED MATTER, IMAGE PROCESSING DEVICE, PRINTED MATTER TRUE/FALSE JUDGING DEVICE, IMAGE PROCESSING METHOD, PRINTED MATTER TRUE/FALSE DETERMINATING METHOD AND PROGRAM |
| 摘要 |
<p>A printed matter, wherein a line latent image and a digital watermark are printed in a predetermined region in an overlapping manner, the line latent image becoming visible when a line filter provided with a line pattern formed on a transparent film is superimposed thereon.</p> |
| 申请公布号 |
EP2056583(A1) |
申请公布日期 |
2009.05.06 |
| 申请号 |
EP20070792779 |
申请日期 |
2007.08.21 |
| 申请人 |
TOPPAN PRINTING CO., LTD. |
发明人 |
YOGO, YOSHIO;OGAWA, MINORU;TAKAYAMA, KEISUKE;FUJITA, AKIHIRO;IWANAGA, HIROYUKI |
| 分类号 |
H04N1/387;B41M3/14;G06T1/00 |
主分类号 |
H04N1/387 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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