Vehicular traveling direction measuring system with automatic ce

Details Vehicular traveling direction measuring system with automatic ce Vehicular traveling direction measuring system with automatic ce

1990-08-13

1992-12-15

Lall, Parshotam S.

Boots, shoes, and leggings

364453, 36457105, 33356, G01C 1738

Patent

active

051723220

ABSTRACT:
A system measures a traveling direction of a vehicle based on a direction toward a coordinate position defined by output data from a geomagnetic direction sensor from a first center coordinate position of a corresponding output circle. The system derives a second center coordinate position based on the output data from the geomagnetic direction sensor. The system utilizes a first group of the second center coordinate positions and a second group of the second center coordinate positions. When it is decided that the first center coordinate position is shifted, then a new or corrected center coordinate position is derived based on the first group of the second center coordinate positions, on the other hand, when it is decided that no shift of the first center coordinate position is generated, then the corrected center coordinate positiion is derived based on the second group of the second center coordinate positions.

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