发明授权
- 专利标题: Eraser for use with optical interactive surface
- 专利标题(中): 用于光学互动表面的橡皮擦
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申请号: US12174398申请日: 2008-07-16
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公开(公告)号: US08890842B2公开(公告)日: 2014-11-18
- 发明人: Scott E. Wilson , James D. Watson , Peter W. Hildebrandt
- 申请人: Scott E. Wilson , James D. Watson , Peter W. Hildebrandt
- 申请人地址: US MI Grand Rapids
- 专利权人: Steelcase Inc.
- 当前专利权人: Steelcase Inc.
- 当前专利权人地址: US MI Grand Rapids
- 代理机构: Troutman Sanders LLP
- 代理商 Ryan A. Schneider; Jay R. Anderson
- 主分类号: G06F3/042
- IPC分类号: G06F3/042 ; G06F3/033
摘要:
An eraser is usable in a display system having a display surface. The eraser includes one or more optical detection elements for determining the coordinates of the eraser relative to the display surface.
公开/授权文献
- US20090309841A1 ERASER FOR USE WITH OPTICAL INTERACTIVE SURFACE 公开/授权日:2009-12-17
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