Invention Grant
US08040324B2 Movement detection method for multiple objects on a capacitive touchpad
有权
电容式触摸板上多个物体的运动检测方法
- Patent Title: Movement detection method for multiple objects on a capacitive touchpad
- Patent Title (中): 电容式触摸板上多个物体的运动检测方法
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Application No.: US11519958Application Date: 2006-09-13
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Publication No.: US08040324B2Publication Date: 2011-10-18
- Inventor: Yen-Chang Chiu , Hsuan-Lung Chung , Tso-Chieh Yang
- Applicant: Yen-Chang Chiu , Hsuan-Lung Chung , Tso-Chieh Yang
- Applicant Address: TW Hsinchu
- Assignee: Elan Microelectronics Corporation
- Current Assignee: Elan Microelectronics Corporation
- Current Assignee Address: TW Hsinchu
- Agency: Rosenberg, Klein & Lee
- Priority: TW94144338A 20051214
- Main IPC: G06F3/041
- IPC: G06F3/041

Abstract:
In a movement detection method for multiple objects on a capacitive touchpad, the waveform of sensed values on the touchpad is monitored for its variation to determine respective movements of the objects on the touchpad, and various operational gestures are further determined exactly.
Public/Granted literature
- US20070132741A1 Movement detection method for multiple objects on a capacitive touchpad Public/Granted day:2007-06-14
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