EP 0891123 A1 19990113 - A device for operating a gas-discharge lamp, particularly for motor vehicles
Title (en)
A device for operating a gas-discharge lamp, particularly for motor vehicles
Title (de)
Vorrichtung zum Betrieb von Gasentladungslampen, insbesondere für Kraftfahrzeuge
Title (fr)
Dispositif pour alimenter des lampes à décharge, notamment pour véhicules automobiles
Publication
Application
Priority
IT TO970628 A 19970711
Abstract (en)
The device comprises an ignitor (I) including a transformer (T) the secondary winding (W21, W22) of which is connected to the lamp (L) in order to apply a high starting voltage thereto upon ignition, and a filter circuit (F) comprising an inductive component and connected to the lamp (L) to prevent the emission of interference signals. The filter circuit comprises, as the inductive component, the secondary winding (W21, W22) of the transformer (T) of the ignitor (I). <IMAGE>
IPC 1-7
IPC 8 full level
H05B 41/04 (2006.01); H05B 41/292 (2006.01)
CPC (source: EP)
H05B 41/042 (2013.01); H05B 41/292 (2013.01)
Citation (search report)
- [A] GB 2276714 A 19941005 - BOSCH GMBH ROBERT [DE]
- [A] US 5055747 A 19911008 - JOHNS DOUGLAS A [US]
- [A] WO 9209183 A1 19920529 - NEON DYNAMICS CORP [US]
- [T] DE 19610388 A1 19970918 - BOSCH GMBH ROBERT [DE]
- [A] DE 19624724 A1 19970109 - VALEO VISION [FR]
- [A] DE 19645752 A1 19970515 - KOITO MFG CO LTD [JP]
Designated contracting state (EPC)
DE ES FR GB NL SE
DOCDB simple family (publication)
EP 0891123 A1 19990113; IT 1293443 B1 19990301; IT TO970628 A1 19990111
DOCDB simple family (application)
EP 98112781 A 19980709; IT TO970628 A 19970711