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Multiple electrode touch sensitive device

  • US 9,141,227 B2
  • Filed: 04/21/2014
  • Issued: 09/22/2015
  • Est. Priority Date: 12/26/2008
  • Status: Active Grant
First Claim
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1. A touch sensor comprising:

  • a plurality of drive electrodes each coupled to an adjacent drive electrode; and

    a plurality of sense electrodes each coupled to an adjacent sense electrode;

    a microcontroller configured to alternately reverse the roles of the plurality of drive electrodes and the plurality of sense electrodes by;

    applying a signal at one end of the plurality of drive electrodes to drive the plurality of drive electrodes while the plurality of sense electrodes receive signals; and

    applying a signal at one end of the plurality of sense electrodes to drive the plurality of sense electrodes while the plurality of drive electrodes receive signals.

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