Touch controls, methods thereof, and devices with touch controls

2012 
A method of operating a touch control (1) comprises a receiving each of a plurality of streams over a plurality of channels (CHX 1 ~ Chxm, CHY1 ~ Chyn), scanning a first current (SIGi) among a plurality of streams and a removal of the sensed first current (SIGi) as a first control current (CC) and converting a charge in accordance with a difference (SIGj - CC) between the first control current (CC) and a second current (SIGj) among the plurality of currents into an output voltage (Vout) on.
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