Azimuth meter

G - Physics – 01 – C

Patent

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Details

G01C 17/30 (2006.01)

Patent

CA 2447711

To provide a thin and small-area azimuth meter. A plane coil and at least two groups of thin film magneto resistive elements are arranged. Each of the groups of thin film magneto resistive elements constitutes an MR bridge and detects and outputs two perpendicular components of the earth magnetism, and bearing information is obtained based on the output values.

L'invention concerne un mesureur d'azimut à épaisseur et surface réduites comportant une bobine plane et au moins deux groupes d'éléments magnétorésistants à couches minces disposés de façon à constituer des ponts magnétorésistants respectifs, les deux composantes orthogonales de géomagnétisme étant détectées et produites en sortie en vue d'obtenir des informations d'azimut à partir des valeurs de sortie.

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