A load control unit, wherein three R, G, and B LED chips that constitute each of light sources (33a-33d) of reading lamps (25-31) and a connector (35) with a built-in controller are mounted on the same circuit board (37) to thereby eliminate the connection of a controller (35b) built into the connector (35) with the built-in controller and the respective light sources (33a-33d) by signal lines. In addition to this, the controller (35b) and a lighting ECU (43) are connected by a multiplex communication line (39), and the multiplex communication line (39) is routed in pillars (15, 17) of a vehicle (1). Consequently, the number of wires can be reduced compared with when individual wires connected to the respective light sources (33a-33d) are passed through the pillars (15, 17), and thereby making it possible to effectively use limited spaces within the pillars (15, 17) through which many other wires are passed.


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    Title :

    Load control unit


    Contributors:

    Publication date :

    2015-06-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF , Funktionsmerkmale oder Einzelheiten von Leuchten oder Beleuchtungssystemen / F21Y Index-Schema in Verbindung mit den Unterklassen F21K, F21L, F21S und F21V, betreffend die Form oder die Art der Lichtquellen oder die Farbe des emittierten Lichts , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED / 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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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