According to the present invention, there may be provided an actuator comprising: a shaft; a rotor surrounding the shaft, a stator arranged outside the rotor a moving portion coupled to the shaft, a housing that holds the shaft and a substrate that is arranged on the housing and comprises a sensor portion for sensing the position of the moving portion, wherein the moving portion comprises a magnet, the sensor portion comprises a first sensor and a second sensor for sensing the amount of magnetic flux change according to the position of the magnet, the first sensor generates a first signal including an area in which a measured voltage increases as the magnet moves away from the first sensor, and the second sensor generates a second signal including an area in which the measured voltage decreases as the magnet moves away from the second sensor.
ACTUATOR AND HEAD LAMP COMPRISING SAME
18.03.2021
Patent
Elektronische Ressource
Englisch
IPC: | H02K Dynamoelektrische Maschinen , DYNAMO-ELECTRIC MACHINES / F16H Getriebe , GEARING / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein |
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