发明授权
US06616046B1 Techniques for miniaturizing bar code scanners including spiral springs and speckle noise reduction
有权
小型化条形码扫描仪的技术，包括螺旋弹簧和散斑降噪
- 专利标题： Techniques for miniaturizing bar code scanners including spiral springs and speckle noise reduction
- 专利标题（中）： 小型化条形码扫描仪的技术，包括螺旋弹簧和散斑降噪
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申请号： US09568342申请日： 2000-05-10
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公开(公告)号： US06616046B1公开(公告)日： 2003-09-09
- 发明人: Edward Barkan , Paul Dvorkis , Howard Shepard , Miklos Stern , Chinh Tan
- 申请人： Edward Barkan , Paul Dvorkis , Howard Shepard , Miklos Stern , Chinh Tan
- 主分类号： G06K710
- IPC分类号： G06K710
摘要：
Various techniques for reducing the size of bar code scanner modules are disclosed including embodiments having miniature moving mirror elements employing spiral tape springs and micro machined structures. Other embodiments employ VCSELs and relatively small collection areas, while minimizing speckle noise through beam shaping and signal processing techniques.
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