| 摘要 |
A position sensor for determining a set position thereof is disclosed. The sensor comprises means for generating a time-varying magnetic field, an electrically conductive element positioned such that said time-varying magnetic field generates eddy currents therein and at least one pick-up for generating a signal in response to said time-varying magnetic field. Movement of the conductive element relative to the pick-up alters the magnetic coupling between the field generator and the pick-up allowing the set position to be determined unambiguously.
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