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Controlling audio volume using touch input force

  • US 10,055,066 B2
  • Filed: 01/30/2017
  • Issued: 08/21/2018
  • Est. Priority Date: 11/18/2011
  • Status: Active Grant
First Claim
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1. A method for controlling an audio volume, comprising:

  • transmitting a signal propagated in a medium of a touch input surface prior to a touch input, wherein the signal propagated in the medium of the touch input surface prior to the touch input is an acoustic signal or an ultrasonic signal; and

    receiving an indicator identifying a force intensity of the touch input provided on the touch input surface, wherein receiving the indicator includes receiving the transmitted signal that has been propagated in the medium and disturbed by the touch input, and the transmitted signal propagated in the medium prior to the touch input has been disturbed by the touch input in a manner that affects a signal property of the transmitted signal; and

    determining the force intensity at least in part by analyzing an effect of the touch input on the transmitted signal that has been propagated in the medium and disturbed by the touch input; and

    determining that the touch input is associated with an audio volume control and controlling the audio volume based at least in part on the indicator identifying the force intensity of the touch input;

    wherein the medium of the touch input surface is made of a metal and the signal propagated in the medium of the touch input surface is propagated through the metal.

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