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Serrated input sensing intervals

  • US 9,582,099 B2
  • Filed: 03/31/2014
  • Issued: 02/28/2017
  • Est. Priority Date: 03/31/2014
  • Status: Active Grant
First Claim
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1. A processing system configured to drive an input device comprising a display device with an integrated sensing device, the processing system comprising:

  • a driver module comprising driver circuitry, wherein the driver module is configured to be coupled to a plurality of sensor electrodes and a plurality of display lines, wherein each sensor electrode comprising at least one common electrode of a plurality of common electrodes configured for display updating and capacitive sensing, wherein the driver module is configured for;

    driving row selection logic of the input device to select a first display line of the plurality of display lines for display updating during a display update period of a first display frame;

    driving a first sensor electrode of the plurality of sensor electrodes for capacitive sensing during a non-display update period of the first display frame; and

    driving the row selection logic during a row selection logic refresh period for display updating, wherein the row selection logic refresh period occurs within the non-display update period.

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