发明申请
- 专利标题： ZOOM GESTURE DETERMINATION METHOD AND TOUCH CONTROL CHIP
- 专利标题（中）： ZOOM GESTURE确定方法和触控控制芯片
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申请号： US13557224申请日： 2012-07-25
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公开(公告)号： US20130027331A1公开(公告)日： 2013-01-31
- 发明人: Hui-Hung Chang , Chih-Chang Lai
- 申请人： Hui-Hung Chang , Chih-Chang Lai
- 优先权： CN201110208571.0 20110725
- 主分类号： G06F3/041
- IPC分类号： G06F3/041
摘要：
A zoom gesture determination method for a touch control device includes detecting a first touch point and a second touch point; determining a position difference between the first touch point and the second touch point; and deciding a zoom gesture represented by the first touch point and the second touch point according to variations in the position difference.
公开/授权文献
- US09891758B2 Zoom gesture determination method and touch control chip 公开/授权日：2018-02-13
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