METHOD AND APPARATUS FOR MAGNETIC OBJECTS DETECTION Russian patent published in 1995 - IPC

FIELD: geophysics, detection of light and strong magnetic objects. SUBSTANCE: in process of search for magnetic objects magnetic saturation of rocks is measured. Apparatus has sonde 1, which has sensor 2, made of permanent magnet 3 with forming clearance 5 pole pieces 4 and inductance coil 6 connected to amplifiers 7. Inside sonde there is electrical motor 8, on shaft of which there are sensor and amplifier made with capability for rotation, voltage stabilizer 10, connected with electrical motor and amplifier and also tachometer 11. Outside sonde has pressing device 12. Peak detector 13, analyzer 14, pulse counter 15 and registration device 16 are located outside sonde. EFFECT: improved detection. 3 cl, 1 dwg