Invention Application
- Patent Title: TOUCH SENSOR PANELS WITH REDUCED STATIC CAPACITANCE
- Patent Title (中): 具有降低静态电容的触摸传感器面板
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Application No.: PCT/US2010022858Application Date: 2010-02-02
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Publication No.: WO2010088653A3Publication Date: 2011-04-14
- Inventor: HOTELLING STEVEN PORTER , YOUSEFPOR MARDUKE
- Applicant: APPLE INC , HOTELLING STEVEN PORTER , YOUSEFPOR MARDUKE
- Assignee: APPLE INC,HOTELLING STEVEN PORTER,YOUSEFPOR MARDUKE
- Current Assignee: APPLE INC,HOTELLING STEVEN PORTER,YOUSEFPOR MARDUKE
- Priority: US54574109 2009-08-21; US14928909 2009-02-02
- Main IPC: G06F3/041
- IPC: G06F3/041 ; G06F3/044
Abstract:
Capacitive touch panels may include a plurality of positive voltage lines that are driven at a first phase. These positive voltage lines may be used to provide the drive capacitance signal sensed by one or more sense regions. The touch panels may also include a plurality of negative phase voltage lines that are driven at a phase that is different than the first phase. Both the positive and negative voltage lines may cross-under one or more sense regions. The negative phase voltage lines are able to counter act and reduce the static capacitance in the sense regions.
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