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METHOD AND APPARATUS COMPENSATING PARASITIC CAPACITANCE IN TOUCH PANEL

  • US 20110242050A1
  • Filed: 03/31/2011
  • Published: 10/06/2011
  • Est. Priority Date: 04/06/2010
  • Status: Abandoned Application
First Claim
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1. A touch controller comprising:

  • a parasitic capacitance compensation unit that receives a common electrode voltage to generate a quantity of charge capable of compensating for a quantity of charge associated with a parasitic capacitance between a sensing channel and a common electrode in a touch panel capable of capacitive sensing of a touch input.

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