发明名称 |
Method of and apparatus for detecting defect of transparent sheet as sheet glass. |
摘要 |
<p>A light source casts light on a transparent sheet through a slit plate. A camera which is focused at a distance nearer than the transparent sheet or remoter than the slit plate, receives the light transmitted through the transparent sheet and picks up an image of a defect of the transparent sheet. An image processing unit inspects the image for a defect of the transparent sheet as "knots", "cords", etc. <IMAGE></p> |
申请公布号 |
EP0576011(A1) |
申请公布日期 |
1993.12.29 |
申请号 |
EP19930110119 |
申请日期 |
1993.06.24 |
申请人 |
CENTRAL GLASS COMPANY, LIMITED |
发明人 |
OKUGAWA, SHINYA,C/O TECHN.CENTER CENTR.GLASS CO. |
分类号 |
G01N21/896;G01N21/94;G01N21/958;G01N21/88;G01N21/89;(IPC1-7):G01N21/89 |
主分类号 |
G01N21/896 |
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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