发明名称 |
Optical bar code scanner having object detection |
摘要 |
In a bar code scanner of the fixed amount type, laser beam reflections from the target location are collected by an object detector that senses predetermined specular reflections and determines whether an object is present or absent, and whether the object has a bar code label or lacks a bar code label.
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申请公布号 |
US5637854(A) |
申请公布日期 |
1997.06.10 |
申请号 |
US19950532105 |
申请日期 |
1995.09.22 |
申请人 |
MICROSCAN SYSTEMS INCORPORATED |
发明人 |
THOMAS, JAMES E. |
分类号 |
G06K7/10;(IPC1-7):G06K7/10 |
主分类号 |
G06K7/10 |
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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