To provide a vehicle lamp fitting capable of setting derating characteristics flexibly.SOLUTION: A first drive circuit 330 supplies to a first light source 202 a first drive current ILED1 stabilized to a first target current IREF1. An A/D converter 306 receives at least one electric signal indicating a state of a vehicle lamp fitting 200, and generates at least one detection value corresponding to the at least one electric signal. A non-volatile memory 308 stores (i) a base current value IBASE1 of the first drive current ILED1, and (ii) at least one parameter group prescribing derating characteristics of the first light source 202 based on each of at least one detection value. A signal processing device 400 receives at least one detection value, and calculates the first target current IREF1 according to the base current value IBASE1 and the at least one parameter group by executing a software program.SELECTED DRAWING: Figure 1

    【課題】ディレーティング特性を柔軟に設定可能な車両用灯具を提供する。【解決手段】第1駆動回路330は、第1目標電流IREF1に安定化された第1駆動電流ILED1を第1光源202に供給する。A/Dコンバータ306は、車両用灯具200の状態を示す少なくともひとつの電気信号を受け、少なくともひとつの電気信号に応じた少なくともひとつの検出値を生成する。不揮発性メモリ308は、(i)第1駆動電流ILED1のベース電流値IBASE1、(ii)少なくともひとつの検出値それぞれにもとづく第1光源202のディレーティング特性を規定する、少なくともひとつのパラメータ群を格納する。信号処理装置400は、少なくともひとつの検出値を受け、ソフトウェアプログラムを実行することにより、ベース電流値IBASE1および少なくともひとつのパラメータ群に応じて第1目標電流IREF1を計算する。【選択図】図1


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    Title :

    VEHICLE LAMP FITTING AND LAMP CONTROL MODULE


    Additional title:

    車両用灯具およびランプコントロールモジュール


    Contributors:

    Publication date :

    2022-03-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H05B ELECTRIC HEATING , Elektrische Heizung / 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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