Invention Grant
- Patent Title: Method for detecting touch spot of touch panel
- Patent Title (中): 触摸屏触摸点检测方法
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Application No.: US13905369Application Date: 2013-05-30
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Publication No.: US09329733B2Publication Date: 2016-05-03
- Inventor: Po-Sheng Shih , Chien-Yung Cheng
- Applicant: TAINJIN FUNAYUANCHUANG TECHNOLOGY CO.,LTD.
- Applicant Address: CN Tianjin
- Assignee: TIANJIN FUNAYUANCHUANG TECHNOLOGY CO., LTD.
- Current Assignee: TIANJIN FUNAYUANCHUANG TECHNOLOGY CO., LTD.
- Current Assignee Address: CN Tianjin
- Agency: Novak Druce Connolly Bove + Quigg LLP
- Main IPC: G06F3/044
- IPC: G06F3/044 ; G06F3/041 ; G06F3/045

Abstract:
A method for detecting touch spots of a touch panel. In the detecting process, a pulse signal is input into each of a plurality of first driving-sensing electrodes, thereby simulating an R1nC curve for computing a coordinate of the touch spots, at a high impedance direction. The capacitance C is detected. A coordinate of the touch spot at a low impedance direction is obtained by calculating a ratio of the R1nC and the capacitance C to obtain the resistance R1n.
Public/Granted literature
- US20140354581A1 METHOD FOR DETECTING TOUCH SPOT OF TOUCH PANEL Public/Granted day:2014-12-04
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