Apparatus and method of calibrating azimuth of mobile device

Details Apparatus and method of calibrating azimuth of mobile device Apparatus and method of calibrating azimuth of mobile device

2006-07-04

2006-07-04

Bennett, G. Bradley (Department: 2859)

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

C702S092000

Reexamination Certificate

active

07069663

ABSTRACT:
Provided are an apparatus and method of calibrating azimuth of a mobile device. The apparatus includes: a magnetic field measuring unit having a plurality of magnetic sensors aligned in a constant angle interval on the mobile device and measuring magnetic field data indicating magnitudes of a magnetic field in different directions; and a controller generating a calibration table indicating a correspondence between an actual magnetic field trajectory formed by the magnetic field data and a theoretical magnetic field trajectory and calibrating azimuth of the mobile device using the calibration table.

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