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Displacement sensor for contactlessly measuring a relative position by means of a magnetic field sensor array on the basis of the hall effect
Displacement sensor for contactlessly measuring a relative position by means of a magnetic field sensor array on the basis of the hall effect
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机译：用于基于霍尔效应通过磁场传感器阵列非接触式测量相对位置的位移传感器
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摘要
A displacement sensor is disclosed for contactlessly measuring a relative position of a magnetic field source which produces a magnetic field and a magnetic field sensor in relation to each other, wherein the magnetic field source and the magnetic field sensor are movable relative to each other. Each magnetic field probe detects at least two spatial components of a magnetic flux density of the magnetic field. A storage unit stores individual position signals. A control and calculation unit calculates an output signal of the displacement sensor based on the position signals, and calculates a magnitude of the magnetic flux density and compare it with a predetermined threshold value to output a current calculated position signal for each magnetic field probe if the magnitude is greater than the threshold value and to output a preceding stored position signal if the magnitude is less than or equal to the threshold value.
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