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SWITCHED-ELECTRODE CAPACITIVE-MEASUREMENT DEVICE FOR TOUCH-SENSITIVE AND CONTACTLESS INTERFACES

  • US 20160170533A1
  • Filed: 01/27/2016
  • Published: 06/16/2016
  • Est. Priority Date: 12/22/2011
  • Status: Active Grant
First Claim
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1. A measurement device, comprising:

  • a plurality of capacitive measurement electrodes; and

    a plurality of electrode switches coupled to the plurality of capacitive measurement electrodes;

    wherein the plurality of electrode switches are configurable to enable a first set of one or more of the capacitive measurement electrodes to be selectively coupled to one or more capacitive detection circuits, and to simultaneously enable a second set of one or more of the capacitance measurement electrodes to be selectively coupled to a guard potential.

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