| 发明名称 |
EXAMINATION METHOD FOR AUTHENTICITY OF PRINTED MATTERS |
| 摘要 |
PURPOSE:To scan patterns of printed matters to a fixed direction by alternately lighted light beams of different wave-length and receive their reflected light or transmission light with photoelectric element and thereby make it possible to examine the authenticity of paper money and its like material. |
| 申请公布号 |
JPS533294(A) |
申请公布日期 |
1978.01.12 |
| 申请号 |
JP19760079569 |
申请日期 |
1976.06.29 |
| 申请人 |
OMRON TATEISI ELECTRONICS CO |
发明人 |
SAKAMOTO KEIJI;NAKAO HARUYUKI;KITERA KINICHI |
| 分类号 |
G07D7/00;G07D7/12;G07D7/20 |
主分类号 |
G07D7/00 |
| 代理机构 |
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代理人 |
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