EP 0942634 B1 20040915 - HID head-lamp device for a vehicle
Title (en)
HID head-lamp device for a vehicle
Title (de)
HID Kraftfahrzeugscheinwerfer
Title (fr)
Phare de véhicule avec lampe à forte décharge
Publication
Application
Priority
JP 9980598 A 19980309
Abstract (en)
[origin: EP0942634A2] An HID head lamp device capable of driving each of HID headlights by generating a high voltage at a secondary coil of a transformer by applying a starting voltage to a lamp firing circuit under the control of a control circuit when a lighting switch is turned on and maintaining the lighting of the HID lamp by applying a maintaining voltage to the secondary coil of the transformer after firing the HID lamp, which device composed of left and right head-lamp units, each unit formed by potting a lamp lighting circuit, a transformer assembly and a lamp socket in a housing with insulating resin poured in melted state and solidified therein, and a control unit for control the head lamp units, and which device is very compact, easy to mount on a vehicle body and easy to repair by exchanging only a faulty unit with new one when a fault such as a breakage of a circuit took place in the ECU or any of the lamp units. <IMAGE>
IPC 1-7
IPC 8 full level
F21V 23/02 (2006.01); B60Q 1/00 (2006.01); H05B 41/02 (2006.01); H05B 41/04 (2006.01); H05B 41/16 (2006.01)
CPC (source: EP)
H05B 41/042 (2013.01)
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 0942634 A2 19990915; EP 0942634 A3 20010207; EP 0942634 B1 20040915; DE 69920085 D1 20041021; DE 69920085 T2 20050303; JP H11260573 A 19990924
DOCDB simple family (application)
EP 99104596 A 19990308; DE 69920085 T 19990308; JP 9980598 A 19980309