Invention Grant
- Patent Title: Capacitive touchscreen system with multiplexers
- Patent Title (中): 具多路复用器的电容触摸屏系统
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Application No.: US12792670Application Date: 2010-06-02
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Publication No.: US08692781B2Publication Date: 2014-04-08
- Inventor: Vitali Souchkov
- Applicant: Vitali Souchkov
- Applicant Address: TW Science-Based Industrial Park, Hsin-Chu
- Assignee: PixArt Imaging Inc.
- Current Assignee: PixArt Imaging Inc.
- Current Assignee Address: TW Science-Based Industrial Park, Hsin-Chu
- Agent Winston Hsu; Scott Margo
- Main IPC: G06F3/041
- IPC: G06F3/041

Abstract:
Disclosed herein are various embodiments of a capacitive touchscreen system that is capable of sensing simultaneous or near-simultaneous multiple finger touches made on a capacitive touchscreen. In one embodiment, drive and sense circuits operably connected to X and Y lines of the touchscreen may be interchangeably and selectably configured to drive and sense X and Y lines of the touchscreen, respectively, or drive and sense Y and X lines, respectively, of the touchscreen, through first and second multiplexers operating under the control of a drive/sense processor.
Public/Granted literature
- US20110298744A1 Capacitive Touchscreen System with Multiplexers Public/Granted day:2011-12-08
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