Automatic height adjustment in an altimeter
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United States of America Patent
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Jan 13, 2004
Grant Date -
N/A
app pub date -
Feb 19, 2002
filing date -
Jun 11, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an altimeter for detecting and displaying the altitude above the sea level of a location by measuring the ambient atmospheric pressure. In order to compensate for changes in air pressure due to meteorological reasons, such as temperature, an adjustment or reset mechanism is provided with the purpose of adjusting or resetting the altimeter to a given stored height at a given moment. This is only effected if at that moment, the air pressure that has been measured indicates height coinciding with the given stored height within a predetermined tolerance limit.
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