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POSITION SENSING TRANSDUCER | POSITIONSERFASSUNGSWANDLER | TRANSDUCTEUR DE DÉTECTION DE POSITION

Patentnummer:EP3062069B1
IPC Hauptklasse:G01D000520
Anmelder:
Erfinder:
Anmeldung:21.12.11
Offenlegung:24.12.10
Patenterteilung:22.11.17

Abstract / Hauptanspruch
A number of position sensors are disclosed. The position sensors are arranged to inductively sense the position of a target relative to a number of sensor coils. In one embodiment, the target comprises first, second and third portions positioned on either side of an axis of rotation, such that lateral misalignment between the target and the sensor is compensated between the interaction of the different portions and the sensor coils. In another embodiment, the target comprises first and second portions that are separated along the measurement path such that in a first range of relative positions, the first target portion is adjacent the one or more sensor coils and in a second range of relative positions, the second target portion is adjacent the one or more sensor coils. The first and second target portions are asymmetrically arranged relative to the sensor coils such that when each target portion is adjacent the same portion of the sensor coils, different signals are induced in the sensor coils.

EP3062069B1


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