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Methods, systems, and devices for condition specific alerts

  • US 7,386,392 B1
  • Filed: 09/18/2003
  • Issued: 06/10/2008
  • Est. Priority Date: 09/18/2003
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • calculating a course between two or more waypoints;

    analyzing cartographic data for the course for user identified criteria to avoid;

    providing an alert signal when the course contains user identified criteria;

    determining a present location on the course based on a signal from a global positioning system (GPS);

    analyzing cartographic data for a predetermined area around the present location for user identified criteria to avoid, wherein the predetermined area has a shape based on a heading; and

    identifying one or more non-user selected waypoints in order to avoid the user identified criteria.

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