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ROW-BASED SENSING ON MATRIX PAD SENSORS

  • US 20170090610A1
  • Filed: 09/29/2015
  • Published: 03/30/2017
  • Est. Priority Date: 09/29/2015
  • Status: Active Grant
First Claim
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1. An input device, comprising:

  • a plurality of sensor electrodes arranged into a plurality of rows on a common surface of a substrate, wherein each of the rows comprises at least two of the sensor electrodes; and

    a processing system, comprising;

    a plurality of sensor modules selective coupled to the plurality of sensor electrodes, wherein the sensor modules are configured to, during a first time period, measure first capacitive sensing signals using a first row of the plurality of rows and, during a second time period, measure second capacitive sensing signals using a second row of the plurality of rows,wherein a frequency of the first capacitive sensing signals is different than a frequency of the second capacitive sensing signals, and wherein each of the rows is parallel with a side of the substrate used to electrically couple the sensor electrodes to the sensor modules.

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