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经营范围
发明名称
Size/scale and orientation determination of a pointer in a camera-based touch system
摘要
申请公布号
EP1420335(A3)
申请公布日期
2006.09.13
申请号
EP20030257166
申请日期
2003.11.13
申请人
SMART TECHNOLOGIES, INC.
发明人
MORRISON, GERALD;AKITT, TREVOR;SU, SCOTT
分类号
G06F3/033;G06F3/042
主分类号
G06F3/033
代理机构
代理人
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地址
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