发明名称 |
Sheet detection system |
摘要 |
A detection system for detecting sheets of material includes a device for moving along a path a container which can harbor a sheet of material sought to be detected; an X-ray scanner having a beam for scanning across the path of the container through a predetermined angle and a device for moving the scanner to shift the origin of the scanning beam to align during at least a portion of the scan the scanning beam with the sheet for producing a high projected density contrasted with its surroundings.
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申请公布号 |
US6301326(B2) |
申请公布日期 |
2001.10.09 |
申请号 |
US19980184629 |
申请日期 |
1998.11.02 |
申请人 |
PERKINELMER DETECTION SYSTEMS, INC. |
发明人 |
BJORKHOLM PAUL J. |
分类号 |
G01N23/04;G01V5/00;(IPC1-7):G01N23/04 |
主分类号 |
G01N23/04 |
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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