Characteristics of laser scanning for bar code recognition

被引：0
|
作者：
Shen, SQ [1 ]
Shen, YC [1 ]
Fan, R [1 ]
Xu, DX [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Dept Elect Engn, Beijing 100876, Peoples R China
来源：
AUTOMATED OPTICAL INSPECTION FOR INDUSTRY: THEORY, TECHNOLOGY, AND APPLICATIONS II | 1998年 / 3558卷
关键词：
bar code; laser scanning; auto-recognition;
D O I：
10.1117/12.318444
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The needs which should be met in bar code scanning of all kinds of scanners are described. The size of the spot, the depth of focus, the scanning velocity, the data rate of signals and how many effective scans there should be in omni-directional scanning are also analysed. The formula dealed with or deduced are of advantage to designs of bar code laser scanners.
引用
收藏
页码：487 / 490
页数：4
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