发明名称 |
Multi-focal vision system |
摘要 |
A machine vision system images bar code labels moving through a horizontal plane at variable object distances within the system's object depth of field Z obj with a plurality of sequential line images, each with different object lengths which gradate Z obj into plural focused object planes, and the object plane within which the bar code label lies provides a focused optical image of the bar code to a multilinear photodetector which transduces the focused optical image into a corresponding electrical signal for further processing.
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申请公布号 |
US5633487(A) |
申请公布日期 |
1997.05.27 |
申请号 |
US19950573105 |
申请日期 |
1995.12.15 |
申请人 |
ADAPTIVE OPTICS ASSOCIATES, INC. |
发明人 |
SCHMUTZ, LAWRENCE E.;YORSZ, JEFFREY |
分类号 |
G02B5/18;G02B3/00;G06K7/015;G06K7/10;(IPC1-7):G06K7/10 |
主分类号 |
G02B5/18 |
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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