发明授权
- 专利标题: Focusing arrangement and method in electro-optical readers
- 专利标题(中): 电光读取器中的聚焦布置和方法
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申请号: US10611829申请日: 2003-07-01
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公开(公告)号: US06905068B2公开(公告)日: 2005-06-14
- 发明人: Duanfeng He
- 申请人: Duanfeng He
- 申请人地址: US NY Holtsville
- 专利权人: Symbol Technologies, Inc.
- 当前专利权人: Symbol Technologies, Inc.
- 当前专利权人地址: US NY Holtsville
- 代理机构: Kirschstein, et al.
- 主分类号: G03B3/10
- IPC分类号: G03B3/10 ; G06K7/10 ; G06K7/14
摘要:
Focusing in an electro-optical reader for reading indicia is obtained by moving one prism relative to another prism. An outgoing laser beam directed to indicia for reflection therefrom and/or return light reflected from the indicia is focused by the moving prism.
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