Method for determining the angular position of a projector using several means for measuring a magnetic field

The invention concerns a measurement device and method for determining the angular position of a pivoting headlights by means of a measurement device that comprises a ferromagnetic element that emits a local magnetic field, first means of measuring the local magnetic field in projection on a first a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LETOUMELIN REMY, FLANDRE LOIC, UHRICH ARNAUD
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PHYSICS TARIFF METERING APPARATUS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The invention concerns a measurement device and method for determining the angular position of a pivoting headlights by means of a measurement device that comprises a ferromagnetic element that emits a local magnetic field, first means of measuring the local magnetic field in projection on a first axis, the ferromagnetic element being mounted so as to pivot with respect to the first measurement means, and an electronic processing unit, the method comprising a measurement step, and a second processing step during which the electronic processing unit calculates the angular position of the headlight, characterized in that, during the measurement step, the intensity of the local magnetic field is measured in projection on a second measurement axis orthogonal to a first measurement axis, and in that, during second processing step, the electronic processing unit calculates a value representing the angle of the local magnetic field with respect to the first measurement axis.