Calibration method and apparatus for a mobile device

Details Calibration method and apparatus for a mobile device Calibration method and apparatus for a mobile device

2008-05-20

2009-10-13

Allen, Andre J (Department: 2855)

Measuring and testing

Barometer

C701S213000

Reexamination Certificate

active

07600426

ABSTRACT:
The invention relates to a method and a mobile device. In accordance with the method—pressure data is measured, the pressure data is used as atmospheric-pressure data and/or for the definition of altitude, and the magnetic field of the Earth is measured by a magnetic sensor (22). In accordance with the invention consecutive measurements are performed using the magnetic sensor (22) and the consecutive measurement results are compared, and on the basis of the comparison the mobile device (20) is commanded to either atmospheric-pressure measurement or altitude measurement.

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