Invention Grant
US08028913B2 Arrangement for and method of uniformly illuminating direct part markings to be imaged and electro-optically read
有权
对要成像和电光学读取的直接部件标记的均匀照明的布置和方法
- Patent Title: Arrangement for and method of uniformly illuminating direct part markings to be imaged and electro-optically read
- Patent Title (中): 对要成像和电光学读取的直接部件标记的均匀照明的布置和方法
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Application No.: US11906092Application Date: 2007-09-28
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Publication No.: US08028913B2Publication Date: 2011-10-04
- Inventor: Rong Liu , Mark Drzymala , Eugene Joseph , Roland W. F. Lee
- Applicant: Rong Liu , Mark Drzymala , Eugene Joseph , Roland W. F. Lee
- Applicant Address: US NY Holtsville
- Assignee: Symbol Technologies, Inc.
- Current Assignee: Symbol Technologies, Inc.
- Current Assignee Address: US NY Holtsville
- Agent Nonggiang Fan
- Main IPC: G06K7/10
- IPC: G06K7/10
Abstract:
Performance of an imaging reader for electro-optically reading direct part markings on workpieces is enhanced by uniformly illuminating the markings. An illuminator is operative for emitting illumination light of greater and lesser intensity toward the indicia. A diffuser is operative for diffusing the illumination light en route to the indicia. The diffuser includes a plurality of diffusing elements adjacent the illuminator for diffusing the illumination light of greater intensity more than the illumination light of lesser intensity.
Public/Granted literature
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