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Method and apparatus for navigating an image using a touchscreen

  • US 6,995,751 B2
  • Filed: 04/26/2002
  • Issued: 02/07/2006
  • Est. Priority Date: 04/26/2002
  • Status: Expired due to Term
First Claim
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1. A method of navigating an image viewed on a display screen, the image being controlled by a processor that receives navigational commands selected on a touchscreen of an auxiliary display device, the method comprising:

  • (a) partitioning the entire area of the touchscreen into a navigation region and at least one entry control area;

    (b) partitioning the navigation region of the touchscreen into a plurality of navigational control areas such that the entire navigation region is covered by the plurality of navigational control areas, each navigational control area being associated with a different navigational command;

    (c) selecting one of the navigational control areas;

    (d) transmitting the navigational command associated with the selected navigational control area to the processor; and

    (e) the processor receiving and executing the transmitted navigational command to navigate the image.

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