发明名称 |
HOLOGRAM IN WHICH AUTHENTICATION INFORMATION IS RECORDED |
摘要 |
<p>A hologram in which authentication information is so recorded as to be difficult to observe in a normal way and to be easy to observe by using color difference when authentication information is ascertained by an authenticator, thereby ensuring a high falsification prevention effect. In the hologram (10) for reproducing a three-directional image, a fine object (11) which is authentication information is disposed behind a blocking object (12) having a size easy to recognize with the naked eye, the authentication information (11) is so recorded as to be not observed in a predetermined direction because the authentication information (11) is blocked by the blocking object (12) and as to be observed in a direction different from the predetermined direction, and the color of the authentication information (11) is different from that of the blocking object (12).</p> |
申请公布号 |
WO2005066722(A1) |
申请公布日期 |
2005.07.21 |
申请号 |
WO2004JP19831 |
申请日期 |
2004.12.28 |
申请人 |
DAI NIPPON PRINTING CO., LTD.;KITAMURA, MITSURU |
发明人 |
KITAMURA, MITSURU |
分类号 |
B42D15/10;G03H1/08;G03H1/26;G06K19/06;G06K19/10;(IPC1-7):G03H1/04;G06K7/00 |
主分类号 |
B42D15/10 |
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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