Global Patent Index - EP 0942634 A3

EP 0942634 A3 20010207 - 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

EP 0942634 A3 20010207 (EN)

Application

EP 99104596 A 19990308

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

H05B 41/04; H01F 38/12; H05B 41/38

IPC 8 full level

B60Q 1/00 (2006.01); F21V 23/02 (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)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

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