A lamp body lighting system includes: a plurality of lamp bodies that are provided on a vehicle and that are connected in parallel with each other; a lamp body control apparatus that lights the lamp body by supplying a current to the lamp body from an electric source that is provided on the vehicle; and a constant current circuit that is connected in series with respect to the lamp body and that controls the current which flows through the lamp body to be constant.
LAMP LIGHTING SYSTEM AND LAMP UNIT
LAMPENBELEUCHTUNGSSYSTEM UND LAMPENEINHEIT
SYSTÈME D'ÉCLAIRAGE PAR LAMPES ET UNITÉ DE LAMPE
2021-09-15
Patent
Electronic Resource
English
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 |
Lamp unit, and lighting device and vehicle lamp using same
European Patent Office | 2019
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