MAGNETIC SHIELD Russian patent published in 1995 - IPC

FIELD: radio electronics. SUBSTANCE: magnetic shield is made in the form of shell with port. Shell is placed coaxially with ring of permanent magnet with axial magnetization installed vertically or in the form of two shells produced from composite or diamagnetic material and mounted for movement relative to ring. Invention can find use in medicine to relieve loads during magnetic storms, in technology to manufacture permanent magnets, semiconductors, radio electronic equipment and in tuning of the latter. EFFECT: expanded application field, improved reliability and efficiency. 4 cl, 2 dwg