Multi-pole magnetic field sensor for metal surface , the sensor system and method of manufacturing a multi-pole magnetic field sensor for metal surface

摘要

PROBLEM TO BE SOLVED: To provide a multi-pole magnetic field sensor for a metallic face, a sensor system, and a method for manufacturing a multi-pole magnetic field sensor for a metallic face for generating orthogonal three-directional magnetic fields even in a space on the wide face of a metallic rack, a metallic box, drawer, safe, and metallic desk or the like.;SOLUTION: This multi-pole magnetic sensor is provided with a flat magnetic substance board 6; a coil Lx wound around the magnetic substance board 6; and a coil 2Ly wound around the magnetic substance board 6 orthogonal to the coil Lx, and the coils 2Lx and coil 2Ly are characterized in that the adjacent coils can be wound around the magnetic substance board 6 with an interval.;COPYRIGHT: (C)2010,JPO&INPIT