- 专利标题： Zoom gesture determination method and touch control chip
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申请号： US13557224申请日： 2012-07-25
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公开(公告)号： US09891758B2公开(公告)日： 2018-02-13
- 发明人: Hui-Hung Chang , Chih-Chang Lai
- 申请人： Hui-Hung Chang , Chih-Chang Lai
- 申请人地址： TW Hsin-Chu
- 专利权人： NOVATEK Microelectronics Corp.
- 当前专利权人： NOVATEK Microelectronics Corp.
- 当前专利权人地址： TW Hsin-Chu
- 代理商 Winston Hsu
- 优先权： CN201110208571 20110725
- 主分类号： G06F3/044
- IPC分类号： G06F3/044 ; 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
- US20130027331A1 ZOOM GESTURE DETERMINATION METHOD AND TOUCH CONTROL CHIP 公开/授权日：2013-01-31
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