Outdoor computer

Details Outdoor computer Outdoor computer

2008-01-29

2008-01-29

Goins, Davetta W. (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S539220, C340S539280, C340S968000, C340S970000

Reexamination Certificate

active

11012219

ABSTRACT:
A method for implementing a weather alarm in an outdoor computer includes defining atmospheric-pressure data repeatedly, defining altitude data repeatedly and essentially simultaneously with the atmospheric-pressure data, with the aid of a satellite positioning system, and converting both measured variables into the same measurement unit, either pressure or altitude. The difference between the converted variables is determined and is stored as a reference value, the difference between the converted variables is repeatedly monitored, and when the difference changes by more than a preset limit-value relative to the reference value, a weather alarm is given. Also an apparatus for performing the method.

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