发明申请
- 专利标题: SYNCHRONOUS TIMED ORTHOGONAL MEASUREMENT PATTERN FOR MULTI-TOUCH SENSING ON A TOUCHPAD
- 专利标题(中): 用于多触摸感应的同步定时正交测量模式
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申请号: US14741292申请日: 2015-06-16
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公开(公告)号: US20150286336A1公开(公告)日: 2015-10-08
- 发明人: Keith L. Paulsen , Paul Vincent , Jared G. Bytheway
- 申请人: CIRQUE CORPORATION
- 申请人地址: US UT SALT LAKE CITY
- 专利权人: CIRQUE CORPORATION
- 当前专利权人: CIRQUE CORPORATION
- 当前专利权人地址: US UT SALT LAKE CITY
- 主分类号: G06F3/041
- IPC分类号: G06F3/041 ; G06F3/044
摘要:
A method for detecting multiple objects on a touchpad having a grid of orthogonal electrodes, wherein all drive electrodes are simultaneously stimulated, and then frequency or electrode coding is used to separate each electrode junction and produce a capacitance image of the touchpad surface in a single measurement sequence.
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