发明名称 |
METHOD AND APPARATUS FOR INSPECTING SIGN PANEL PART OF CARD |
摘要 |
<p>PROBLEM TO BE SOLVED: To automatically detect the flaw of the sign panel of a card. SOLUTION: An inspection device has a light source (4) for irradiating a card (1). The sign panel (2) having a rough surface (2a) is formed on a smooth surface (1a), with light from an oblique direction, a camera (5) receiving the reflected light from the surface (2a) of the sign panel part (2) above the sign panel part (2) and an image processing part (6) for detecting a place where the receiving quantity of light is little as the flaw part (3) of the sign panel part (2).</p> |
申请公布号 |
JP2002181715(A) |
申请公布日期 |
2002.06.26 |
申请号 |
JP20000379672 |
申请日期 |
2000.12.14 |
申请人 |
DAINIPPON PRINTING CO LTD |
发明人 |
HAMADATE SADAJI |
分类号 |
B42D15/10;G01N21/84;(IPC1-7):G01N21/84 |
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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