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Moisture management

  • US 10,126,892 B2
  • Filed: 03/31/2016
  • Issued: 11/13/2018
  • Est. Priority Date: 03/16/2016
  • Status: Active Grant
First Claim
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1. A processing system for moisture detection comprising:

  • sensor circuitry for obtaining absolute capacitive sensor data; and

    processing circuitry configured to;

    determine a contiguous region in a capacitive image generated based on the absolute capacitive sensor data,determine a concavity parameter of the contiguous region, wherein the concavity parameter is based on a two-dimensional geometry of the contiguous region in the capacitive image, determined in a plane parallel to an input surface of a sensing region from which the absolute capacitive sensor data were obtained, with a concavity described by the concavity parameter being assessed in the plane, in the capacitive image,detect a presence of moisture based at least in part on the concavity parameter, andoperate based on the presence of moisture.

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