| 摘要 |
An accelerator sensor comprising a cylinder of a conductive material, a magnetized inertial member mounted in the cylinder so as to be movable longitudinally of the cylinder, a conductive member mounted at least on the end surface of the inertial member that is on the side of one longitudinal end of the cylinder, a pair of electrodes disposed at this one longitudinal end of the cylinder, and an attracting member disposed near the other longitudinal end of the cylinder. When the conductive member of the inertial member comes into contact with the electrodes, these electrodes are caused to conduct via the conductive member. The attracting member is made of a magnetic material such that the attracting member and the inertial member are magnetically attracted toward each other. The cylinder is made of a metal having a resistance temperature coefficient less than 3 X 10 - 3 .
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