Automatic heading and reference system
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United States of America Patent
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N/A
Issued Date -
Apr 19, 2007
app pub date -
Jul 20, 2005
filing date -
Jul 20, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A sensor system and method is disclosed which is substantially non-shock sensitive, inexpensive and small enough to be incorporated into most applications. The sensor system includes a magnetometer (preferably a triaxial magnetometer) and at least one infrared sensor. In the preferred embodiment, the sensor system includes at least four infrared sensors arranged substantially orthogonal to each other in a common plane horizontal to the earth's surface. The infrared sensors generate signals that are analyzed by a processor to determine the tilt orientation of the object. Based on the tilt orientation of the object, the magnetometer is tilt compensated (preferably fully compensated). The sensor system may also include a global positioning system.
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