发明申请
- 专利标题： DOCUMENT SCANNER WITH AUTOMATIC DUST AVOIDANCE
- 专利标题（中）： 文件扫描仪具有自动防尘功能
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申请号： US12636867申请日： 2009-12-14
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公开(公告)号： US20110141535A1公开(公告)日： 2011-06-16
- 发明人: Robert M. Westcott , Jude A. SanGregory
- 申请人： Robert M. Westcott , Jude A. SanGregory
- 主分类号： H04N1/46
- IPC分类号： H04N1/46 ; H04N1/04
摘要：
A document scanner with automatic dust avoidance includes an automated document feeder; a transparent plate; an illumination source for illuminating the document through the transparent plate; at least one mirror for reflecting light reflected from the document; at least one sensor for imaging light from the at least one mirror; a microprocessor for determining the presence of dust on the transparent plate; and a motor for tilting the at least one mirror when dust is detected on the transparent plate.
信息查询
