Invention Grant
US08692781B2 Capacitive touchscreen system with multiplexers 有权
具多路复用器的电容触摸屏系统

  • Patent Title: Capacitive touchscreen system with multiplexers
  • Patent Title (中): 具多路复用器的电容触摸屏系统
  • Application No.: US12792670
    Application Date: 2010-06-02
  • Publication No.: US08692781B2
    Publication 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
Capacitive touchscreen system with multiplexers
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.
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