发明名称 |
Optoelectronic scanning arrangement wherein optical reflective markings form curvilinear arcs |
摘要 |
The invention relates to an optoelectronic scanning arrangement for scanning optical markings. The optical markings consist of a reflecting mark RM and a non-reflecting mark NM which is inclined by an angle W from the axis of the pencil of rays radiated from a light source LS.
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申请公布号 |
US4673809(A) |
申请公布日期 |
1987.06.16 |
申请号 |
US19860899184 |
申请日期 |
1986.08.18 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
GEYER, JUERGEN;KEGLER, ERNST |
分类号 |
G06K7/10;G11B15/08;(IPC1-7):G01D5/34 |
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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