| 摘要 |
PROBLEM TO BE SOLVED: To fundamentally eliminate the temperature fluctuation of magnetic sensor device output. SOLUTION: By providing a feedback circuit means 7 for maintaining initial output signals outputted from a detection circuit 6 in the initial state that a body C to be detected is not arranged inside a magnetic field at a fixed level regardless of the temperature fluctuation of a using atmospheric environment and keeping the sensitivity and temperature characteristics of a magnetic sensor device CSU fixed no matter how the temperature of elements which vary detection output such as magnetic permeability, a coil DC resistance portion and circuit temperature characteristics fluctuates regardless of the state of the fluctuation elements, the fixed sensitivity and temperature characteristics in the magnetic sensor device CSU are obtained without dispersion in each device. COPYRIGHT: (C)2004,JPO&NCIPI
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