Invention Grant
- Patent Title: Ghost cancellation method for multi-touch sensitive device
- Patent Title (中): 多点触控设备的Ghost取消方法
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Application No.: US12758358Application Date: 2010-04-12
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Publication No.: US08427444B2Publication Date: 2013-04-23
- Inventor: Hung-Wei Wu , Chih-Yu Chang , Tsan-Hwi Chen
- Applicant: Hung-Wei Wu , Chih-Yu Chang , Tsan-Hwi Chen
- Applicant Address: TW Hsinchu
- Assignee: Silicon Integrated Systems Corp.
- Current Assignee: Silicon Integrated Systems Corp.
- Current Assignee Address: TW Hsinchu
- Main IPC: G06F3/041
- IPC: G06F3/041

Abstract:
A ghost cancellation method for the multi-touch sensitive device is disclosed. The multi-touch sensitive device includes a sensing array having multiple lines of a first axis and multiple lines of a second axis intersecting with each other. All the lines of the sensing array are scanned to determine which ones of the lines are touched, so as to determine touch point candidates. For each touch point candidate, a driving signal is applied to the line of the first axis, and the line of the second axis is detected to check if the touch point candidate is actually touched.
Public/Granted literature
- US20110248932A1 GHOST CANCELLATION METHOD FOR MULTI-TOUCH SENSITIVE DEVICE Public/Granted day:2011-10-13
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