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Proximity Sensor

  • US 20110242051A1
  • Filed: 05/26/2011
  • Published: 10/06/2011
  • Est. Priority Date: 07/26/2007
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • a sensing element of a touch screen; and

    one or more computer-readable non-transitory storage media coupled to the sensing element and embodying logic that is operable when executed to;

    determine an amount of time that has elapsed since the sensing element last detected a change of capacitance indicative of a key touch on the touch screen; and

    if the amount of time that has elapsed exceeds a predetermined time duration, then initiate a particular function of the apparatus.

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