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DRIVING ELECTRODES WITH DIFFERENT PHASE SIGNALS

  • US 20110095991A1
  • Filed: 10/23/2009
  • Published: 04/28/2011
  • Est. Priority Date: 10/23/2009
  • Status: Active Grant
First Claim
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1. A controller comprising:

  • drive circuitry to drive one target drive electrode of a touch sensitive device with a series of pulses having a predetermined phase and to drive at least one other drive electrode of the touch sensitive device with a corresponding series of out-of-phase pulses; and

    sense circuitry to receive signal transferred to sense electrodes from the drive electrodes of the touch sensitive device, wherein the received signal is responsive to one or more touches on the touch sensitive device.

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