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High resolution non-contacting multi-turn position sensor | Kontaktloser und in mehrere Richtungen drehbarer Positionssensor mit hoher Auflösung | Capteur de position haute résolution sans contact multi-tours

Patentnummer:EP2365290B1
IPC Hauptklasse:G01D000514
Anmelder:
Erfinder:
Anmeldung:17.01.11
Offenlegung:18.01.10
Patenterteilung:06.09.17

Abstract / Hauptanspruch
Disclosed are systems and methods for effectively sensing rotational position of an object. In certain embodiments, a rotational position sensor (100) can include a shaft (102) configured to couple with the rotating object. The shaft (102) can be configured to couple with a magnet carrier (104) such that rotation of the shaft (102) yields translational motion of the carrier (104). A magnet (106) mounted to the carrier (104) also moves longitudinally with respect to the axis of the shaft (102), and relative to a magnetic field sensor (108) configured to detect the magnet's longitudinal position. The detected longitudinal position can be in a range corresponding to a rotational range of the shaft, where the rotational range can be greater than one turn. In certain embodiments, the rotational position sensor can include a programmable capability to facilitate ease and flexibility in calibration and use in a wide range of applications.

EP2365290B1


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