发明授权
US5837987A Hand-held optically readable character set reader having automatic focus
control for operating over a range of distances
失效
具有自动对焦控制功能的手持光学可读字符集读取器,用于在一定范围的距离上操作
- 专利标题: Hand-held optically readable character set reader having automatic focus control for operating over a range of distances
- 专利标题(中): 具有自动对焦控制功能的手持光学可读字符集读取器,用于在一定范围的距离上操作
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申请号: US751382申请日: 1996-11-19
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公开(公告)号: US5837987A公开(公告)日: 1998-11-17
- 发明人: Steven E. Koenck , Jonathan R. White , Phillip Miller , George E. Hanson , Arvin D. Danielson , Dennis A. Durbin
- 申请人: Steven E. Koenck , Jonathan R. White , Phillip Miller , George E. Hanson , Arvin D. Danielson , Dennis A. Durbin
- 申请人地址: DE Wilmington
- 专利权人: Norand Technology Corporation
- 当前专利权人: Norand Technology Corporation
- 当前专利权人地址: DE Wilmington
- 主分类号: G06K7/10
- IPC分类号: G06K7/10 ; G06K17/00 ; H01Q1/22 ; H01Q3/24 ; H01Q19/06
摘要:
A hand-held optically readable information set reader having one or more photosensor arrays, at least one information set illuminator, and an information set image transfer system for projecting a readable image of an information set onto the one or more photosensor arrays.
公开/授权文献
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