Visual expander

  • US 8,427,445 B2
  • Filed: 06/22/2010
  • Issued: 04/23/2013
  • Est. Priority Date: 07/30/2004
  • Status: Active Grant
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First Claim
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1. A computing device, comprising:

  • a touchscreen display;

    one or more processors;

    memory; and

    one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for;

    presenting graphical information on the touchscreen display, wherein the graphical information on the touchscreen display comprises a plurality of regions;

    detecting a finger touch at a location on the touchscreen display;

    in response to detecting the finger touch, expanding a localized area of the graphical information on the touchscreen display based on region sensitivity, wherein;

    the expanded localized area is proximate the location of the finger touch,the expanded localized area includes a plateau region that displays a magnified portion of the graphical information at a constant magnification level, andthe plateau region with the constant magnification level is expanded to a first fixed size in response to detecting the finger touch when the finger touch is located in a first region in the plurality of regions, and the plateau region with the constant magnification level is expanded to a second fixed size different from the first fixed size in response to detecting the finger touch when the finger touch is located in a second region in the plurality of regions different from the first region; and

    ,while continuing to detect the finger touch on the touchscreen display;

    detecting a movement of the finger touch over the touchscreen display; and

    ,in response to detecting the movement, continuously changing a respective location of the expanded localized area to follow the movement of the finger touch.

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