Compass device with light attenuating mask
Compass for mobile satellite antennas
Compass orientation compensation
Compass systems
Compass with means for correcting angle of magnetic variation
Compass-based indicator with magnetic shielding
Compass-based indicator with magnetic shielding
Compasses
Compensated magnetic sensor for use on highly magnetized vehicle
Compensating magnetic compass
Compensation system for electronic compass
Compensation system for electronic compass
Compensation system for electronic compass
Compensation system for electronic compass
Compensation system for electronic compass
Correction apparatus for an azimuth calculating system
Correction method and device for a magnetic field probe
Detector for sensing the angular position of a rotatable magnet
Device for detecting magnetic azimuth
Device for mechanically locating and reading the setting of...