Geomagnetic sensor for detecting dip angle and method thereof

Details Geomagnetic sensor for detecting dip angle and method thereof Geomagnetic sensor for detecting dip angle and method thereof

2007-01-02

2007-01-02

Fulton, Christopher W. (Department: 2859)

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

Reexamination Certificate

active

11051467

ABSTRACT:
A geomagnetic sensor includes a geomagnetic detection module configured to output an electrical signal having a magnitude corresponding to a magnetic field; a memory configured to store an azimuth measured in a horizontal plane; an accelerometer module configured to measure a tilt at present, and to compute a tilt angle therefrom; and a controller configured to calculate a dip angle by using the electrical signal outputted from the geomagnetic detection module, the tilt angle, and the horizontal azimuth. A method for detecting a dip angle by a geomagnetic sensor includes outputting an electrical signal having a magnitude corresponding to an external geomagnetic field; detecting an azimuth in a horizontal plane and storing the detected azimuth; measuring a tilt at present and computing a tilt angle thereof; and calculating a dip angle by using the electrical signal, the tilt angle, and the azimuth measured in the horizontal plane.

REFERENCES:
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patent: 9-81308 (1997-03-01), None
patent: 9-325029 (1997-12-01), None
patent: 2003-0067471 (2003-08-01), None

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