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.
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
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