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Touch pad with force sensors and actuator feedback

  • US 9,400,582 B2
  • Filed: 02/17/2015
  • Issued: 07/26/2016
  • Est. Priority Date: 12/10/2009
  • Status: Active Grant
First Claim
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1. An electronic device, comprising:

  • a housing having an opening defined therein; and

    a track pad disposed within the opening of the housing, the track pad comprising;

    a contact surface;

    a capacitive touch sensor disposed below the contact surface and configured to detect the location of a touch on the contact surface;

    a set of force sensors disposed below the capacitive touch sensor; and

    an output device configured to output non-visual feedback in response to a force of the touch that exceeds a threshold force on the contact surface of the track pad;

    wherein;

    the trackpad is configured to transfer the force to one or more of the set of force sensors; and

    the set of force sensors are configured to produce a non-binary output signal that corresponds to the force of the touch on the contact surface.

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