ORIENTATION GEAR ( VERSIONS ) Russian patent published in 2001 - IPC

FIELD: measurement technology, navigation measurements. SUBSTANCE: in orientation gear symmetric solid body 1 is anchored with spring 2 on immobile ear with needle 4 resting against thrust bearing 5. According to first version solid body is embraced by permanent ring magnet 6 with gap traveling along guide 9 with the aid of slider 8. From position of equilibrium symmetric solid body is brought out by magnetic flux formed by motion of ring permanent magnet along guide 9. In correspondence with second version hollow nonmagnetic symmetric solid body is filled with powdery iron and is embraced by immobile torus-shaped electromagnetic coil. Symmetric solid body is brought out of position of equilibrium by supply of alternating current into electromagnetic col. EFFECT: increased precision in indication and identification of East-West direction and raised frequency of periods of information pick-up. 2 cl, 2 dwg