发明名称 |
Data symbol reader with an observation window |
摘要 |
A data symbol reader for reading a data symbol formed on a reading surface which includes: a head portion which is placed on the reading surface to cover the data symbol when reading the data symbol; an image pick-up device on which an image of the data symbol is to be formed; and an image-forming optical system for leading light reflected on the data symbol to the image pick-up device to form the image of the data symbol on the image pick-up device. The head portion includes an enclosing portion for enclosing the data symbol while an open end of the enclosing portion contacts the reading surface. The enclosing portion includes a light transmissive member through which the inside of the enclosing portion is visible from the outside of the enclosing portion. The light transmissive member is inclined by a predetermined angle with respect to an optical axis of the image-forming optical system.
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申请公布号 |
US6073852(A) |
申请公布日期 |
2000.06.13 |
申请号 |
US19970869735 |
申请日期 |
1997.06.05 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
SEO, SHUZO |
分类号 |
G06K7/00;G06K7/01;G06K7/10;(IPC1-7):G06K7/10 |
主分类号 |
G06K7/00 |
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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