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Portable electronic device having mode dependent user input controls

  • US 8,866,791 B2
  • Filed: 07/23/2010
  • Issued: 10/21/2014
  • Est. Priority Date: 01/06/2010
  • Status: Active Grant
First Claim
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1. A method for controlling a portable electronic device having a display with a plurality of sensors, said method comprising:

  • determining whether the portable electronic device is in an e-reader mode;

    configuring the portable electronic device in accordance with the e-reader mode when said determining determines that the portable electronic device is in the e-reader mode, wherein configuring the portable electronic device in accordance with the e-reader mode comprises;

    deactivating a portion of a touch-sensitive surface of the display while the display is active;

    activating the portion of the touch-sensitive surface of the display in a low touch resolution mode in response to a user interface input, wherein activating the portion of the touch-sensitive surface in the low touch resolution mode comprises scanning only a subset of the plurality of sensors for a touch input, wherein the subset of the plurality of sensors is located across the portion of the touch-sensitive surface of the display;

    in response to receiving a touch input, transitioning the portion of the touch-sensitive surface from the low touch resolution to a high touch resolution mode to activate the portion of the touch-sensitive surface in the high touch resolution mode, wherein activating the portion of the touch-sensitive surface in the high touch resolution mode comprises scanning all of the plurality of sensors across the portion of the touch-sensitive surface of the display for an additional user interface input;

    characterizing the additional user interface input at the activated portion of the touch-sensitive surface of the display as a user request with respect to the e-reader mode;

    determining whether an action at the portable electronic device is to be initiated based on the user request;

    initiating the action denoted by the user request if said determining determines that the action at the portable electronic device is to be initiated; and

    in response to determining the portable electronic device is not in e-reader mode, characterizing the additional user interface input received at the activated portion of the touch-sensitive surface of the display as an input different than a user request in e-reader mode.

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