发明名称 |
Retro-reflective multiple-X optical scanning system |
摘要 |
Optical scanning apparatus for scanning and sensing information contained on a label-bearing article includes a light source, a rotatable member having a reflective surface, optical means for directing light from the source to the reflective surface and optical means for directing light reflected from the reflective surface to form a scanning pattern on a predetermined plane; the scanning pattern being comprised of a plurality of segments together forming at least one pair of overlapping X-shaped traces.
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申请公布号 |
US4018504(A) |
申请公布日期 |
1977.04.19 |
申请号 |
US19750574137 |
申请日期 |
1975.05.02 |
申请人 |
SWEDA INTERNATIONAL, INC. |
发明人 |
WU, PAUL S.;STROLL, MICHAEL R. |
分类号 |
G06K7/10;G06K9/20;(IPC1-7):G02B27/17;H01J3/14 |
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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