CONCURRENT DRIVING CAPACITIVE TOUCH SENSING DEVICE AND TRANSMISSION SYSTEM
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United States of America Patent
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app pub date -
Dec 30, 2015
filing date -
Jan 22, 2013
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Abstract
There is provided a concurrent driving capacitive touch sensing device including a drive end, a capacitive sensing matrix and a detection end. The drive end simultaneously inputs encoded and modulated drive signals into a plurality of channels of the capacitive sensing matrix within each drive time slot of a frame. The detection end detects a detection matrix of the channels in the frame and decodes the detection matrix so as to generate a two-dimensional detection vector corresponding to each of the channels.
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