Calibration and compensation of an electronic compass system
Calibration apparatus for automatic magnetic compass correction
Combination compass
Compass
Compass
Compass
Compass
Compass
Compass
Compass apparatus
Compass assembly with dial biasing disk
Compass data converter
Compass device
Compass device and method for a compass device
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