| 发明名称 |
OPTICAL TYPE OBJECT IDENTIFIER |
| 摘要 |
<p>An identification code provided in relief on an object is read in that a radiation beam is obliquely incident on the surface on which the identification code is provided, and in that the identification code is observed by a detection system by means of the shadows thus cast.</p> |
| 申请公布号 |
JPS62237585(A) |
申请公布日期 |
1987.10.17 |
| 申请号 |
JP19870079818 |
申请日期 |
1987.04.02 |
| 申请人 |
PHILIPS GLOEILAMPENFAB:NV |
发明人 |
HERUHARUDO FUAN FURUTSUEN;ROSU FUOSUKUIREN |
| 分类号 |
B07C5/34;G06K7/10;G06T1/00 |
主分类号 |
B07C5/34 |
| 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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