Earth reference thin-film magnetometer compass exhibiting total

Electrical compass

Electrical control system

Electronic analogue compass

Electronic automotive compass and display

Electronic azimuth meter and electronic time piece having...

Electronic azimuth meter and timepiece

Electronic compass

Electronic compass

Electronic compass

Electronic compass

Electronic compass

Electronic compass and compensation of large magnetic errors...

Electronic compass and method

Electronic compass and method for tracking vehicle rotation

Electronic compass and method of calibration

Electronic compass and other magnetic devices

Electronic compass apparatus and method

Electronic device and method for indicating direction in...

Electronic device compass operable irrespective of localized...