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CAPACITIVE TOUCH SENSING WITH LUMPED SENSORS

  • US 20170060288A1
  • Filed: 08/26/2015
  • Published: 03/02/2017
  • Est. Priority Date: 08/26/2015
  • Status: Abandoned Application
First Claim
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1. A touch sensing circuit comprising:

  • a plurality of sensor channels;

    a controller circuit coupled to the plurality of sensor channels, the controller circuit configured to;

    map the sensor channels to lumped sensors;

    scan, during a scan period, the lumped sensors to detect touch input; and

    responsive to detecting touch input associated with at least one of the lumped sensors,scan the sensor channels mapped to the at least one lumped sensor.

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