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Map display for a navigation system

  • US 7,376,510 B1
  • Filed: 11/05/2004
  • Issued: 05/20/2008
  • Est. Priority Date: 11/05/2004
  • Status: Active Grant
First Claim
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1. A method for displaying map information on a portable computing device comprising the steps of:

  • when the portable computing device is approaching a location at which maneuvering guidance is to be provided for following a route, presenting a sequence of alternating images on a display screen of the portable computing device, wherein the alternating images include a perspective view map image and an overhead view map image, and wherein one of the alternating images is presented at a time; and

    when the portable computing device is following the route but not approaching the next location at which maneuvering guidance is to be provided for following the route, presenting an overhead view map image on the display screen of the portable computing device.

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