DISPOSITIF D'ECLAIRAGE D'UN VEHICULE AUTOMOBILE ET PROCEDE POUR LE FAIRE FONCTIONNER

The device has a voltage source (39) i.e. switch controller, for producing an operating voltage (Ub) for an LED arrangement. An adjustable current source (41) is associated with the arrangement, for producing operating currents (I1-I3) of the arrangement. A control arrangement (55) controls the oper...

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Bibliographische Detailangaben
Hauptverfasser:	REICHENECKER, THOMAS, LEY, MICHAEL
Format:	Patent
Sprache:	fre
Schlagworte:	ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING ORSUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES INGENERAL ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY PERFORMING OPERATIONS TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	The device has a voltage source (39) i.e. switch controller, for producing an operating voltage (Ub) for an LED arrangement. An adjustable current source (41) is associated with the arrangement, for producing operating currents (I1-I3) of the arrangement. A control arrangement (55) controls the operating voltage based on voltages (U1-U3) applied at the current source. The control arrangement has a minimal value generator (47) for generating minimal value signals (m) characterizing the applied voltages. An independent claim is also included for a method for operating a lighting device for a motor vehicle.