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Outdoor computer

  • US 20050134467A1
  • Filed: 12/16/2004
  • Published: 06/23/2005
  • Est. Priority Date: 12/19/2003
  • Status: Active Grant
First Claim
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1. A method for implementing a weather alarm in an outdoor computer (10-14), in which method atmospheric-pressure data (2) is defined repeatedly, altitude data (1) is defined repeatedly and essentially simultaneously with the atmospheric-pressure data (2), with the aid of a satellite positioning system, and both measured variables are converted into the same measurement unit, either pressure or altitude, characterized in that the difference (Δ

  • 1) between the converted variables (1 and 2) is determined and is stored as a reference value (Δ

    1), the difference (Δ

    2

    5) between the converted variables (1, 2) is repeatedly monitored, and when the difference (Δ



    5) changes by more than a preset limit-value relative to the reference value (Δ

    1), a weather alarm is given.

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