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CAPACITIVE DETECTION SYSTEMS AND METHODS

  • US 20100079269A1
  • Filed: 02/25/2009
  • Published: 04/01/2010
  • Est. Priority Date: 09/30/2008
  • Status: Abandoned Application
First Claim
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1. A capacitive sensor system comprising:

  • a first electrode arrangement having a first characteristic and related to a first capacitance;

    a second electrode arrangement having a second characteristic different from the first characteristic and related to a second capacitance; and

    a control unit coupled to the first and second electrode arrangements and configured to identify an object-dependent variable from at least one of the first and second characteristics and first and second capacitances.

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