Method and apparatus of physically moving a portable unit to view an image of a stationary map

CAFC
  • US 8,930,131 B2
  • Filed: 04/21/2014
  • Issued: 01/06/2015
  • Est. Priority Date: 12/26/2011
  • Status: Active Grant
First Claim
Patent Images

1. A method of moving a portable unit to present a new portion of a stationary background image on a screen of the portable unit comprising the steps of:

  • displaying a first image on the screen of the portable unit matched and superimposed to a corresponding portion of the stationary background image;

    mapping a first point of the first image located in a center of the screen of the portable unit to a corresponding reference point in the stationary background image;

    determining a first vector between the center of the screen of the portable unit and the corresponding reference point in the stationary background image;

    moving the portable unit along at least one of the orientations of the first vector; and

    presenting a new location in the new portion of the stationary background image on the screen of the portable unit.

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