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Engineering displacement response through electrode shape

  • US 10,642,428 B2
  • Filed: 06/25/2018
  • Issued: 05/05/2020
  • Est. Priority Date: 06/25/2018
  • Status: Active Grant
First Claim
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1. A method comprising:

  • obtaining a capacitive function of ground plane displacement and gap distance;

    optimizing, using the capacitive function, an optimization function to obtain a plurality of slice lengths, the plurality of slice lengths corresponding to a plurality of gap distances between a first sensor electrode and a second sensor electrode, wherein the optimizing comprises;

    selecting a displacement response function for the sensor electrode pattern to obtain a selected displacement response function;

    defining an objective function based on the selected displacement response function; and

    performing an optimization of the objective function;

    defining a sensor electrode shape using the plurality of slice lengths and the plurality of gap distances;

    defining a sensor electrode pattern based on the sensor electrode shape; and

    storing the sensor electrode pattern.

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