Vehicle compass with electronic sensor

Details Vehicle compass with electronic sensor Vehicle compass with electronic sensor

1991-12-20

1993-10-26

Cuchlinski, Jr., William A.

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

33333, 33356, 324252, G01C 1728, G01R 3306

Patent

active

052554422

ABSTRACT:
An electronic compass is described for use in vehicles. The compass employs a magnetoresistive sensor for sensing the earth magnetic field and the sensor is operated in alternate set/reset bias modes. The compass is provided with deviation compensation by a closed loop system including measurement of the sensor output signals and an offset current strap for nullifying the vehicle deviation field.

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