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Gasket with embedded capacitive sensor

  • US 10,496,222 B2
  • Filed: 09/26/2018
  • Issued: 12/03/2019
  • Est. Priority Date: 09/21/2016
  • Status: Active Grant
First Claim
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1. An electronic device comprising:

  • a lower surface;

    an upper surface, the upper surface comprising a cover material that is parallel to a cover material plane; and

    a force sensing sealing structure situated between the lower surface and the upper surface;

    sense circuitry operatively coupled to the force sensing sealing structure, the sense circuitry configured to sense a capacitance of the force sensing sealing structure; and

    a processor configured to determine a magnitude of an applied force at the upper surface of the device based on the sensed capacitance, wherein;

    the lower surface comprises a channel and the force sensing sealing structure is situated in the channel,the channel comprises a first channel surface and a second channel surface, the first channel surface and the second channel surface parallel to each other and perpendicular to the upper surface and the lower surface,the first channel surface is at a location in the cover material plane that overlaps the cover material, andthe second channel surface is at a location in the cover material plane that does not overlap the cover material.

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