| 发明名称 |
ILLUMINATING METHOD IN SURFACE FLAW INSPECTING SYSTEM |
| 摘要 |
PURPOSE:To increase accuracy of flaw detection depending on video signal processing, by correcting luminance distribution on surface of rolled steel plate by corrective means due to reflective board, and by uniformalizing plate surface illuminance of camera tube. |
| 申请公布号 |
JPS5312379(A) |
申请公布日期 |
1978.02.03 |
| 申请号 |
JP19760087012 |
申请日期 |
1976.07.20 |
| 申请人 |
NIPPON STEEL CORP;FUJITSU LTD |
发明人 |
TOMIOKA AKIO;MARUYAMA TOYOFUMI;OOYA NOBUMASA;SUDOU AKIRA |
| 分类号 |
G01N21/89;G01N21/892 |
主分类号 |
G01N21/89 |
| 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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