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公开(公告)号:EP2168094A4
公开(公告)日:2012-07-25
申请号:EP08771688
申请日:2008-06-21
申请人: MICROSOFT CORP
发明人: HORVITZ ERIC J , SWARTZ TANYA LISA , COUCKUYT JEFFREY D , OFEK EYAL , ZHUGE YUE , QIAN ZHENYU , WU XIN , LI JIN , LOMBARDI STEVE , SCHWARTZ JOSEPH , PAULIN ALAN
CPC分类号: G01C21/3476 , G01C21/3484 , G01C21/3641 , G01C21/3644 , G09B29/106