Global Patent Index - EP 0429402 A2

EP 0429402 A2 19910529 - A device for supplying power to gas-discharge lamps for use in motor vehicles.

Title (en)

A device for supplying power to gas-discharge lamps for use in motor vehicles.

Title (de)

Einrichtung zur Versorgung von Leuchtstofflampen in Motorfahrzeugen.

Title (fr)

Dispositif pour alimenter des lampes à décharge dans des véhicules à moteur.

Publication

EP 0429402 A2 19910529 (EN)

Application

EP 90830461 A 19901016

Priority

IT 6790389 A 19891020

Abstract (en)

The device includes an inverter (2) with an input (2a) for connection to the battery (B) of the vehicle and an output (2b) for connection to a lamp (L) by means of an ignitor (3). The inverter (2) includes a regulator (4) which is adapted to modify a characteristic, for example the frequency, of the current supplied to the lamp (L) in operation. The device also includes a feedback control circuit (5) for monitoring the electrical power supplied to the lamp (L) and for generating and supplying to the regulator (4) of the inverter (2) a signal for causing a substantially constant power to be supplied to the lamp (L).

IPC 1-7

H05B 41/392

IPC 8 full level

H05B 41/16 (2006.01); H05B 41/24 (2006.01); B60Q 1/04 (2006.01); H05B 41/392 (2006.01)

CPC (source: EP)

H05B 41/392 (2013.01)

Designated contracting state (EPC)

DE ES FR GB NL SE

DOCDB simple family (publication)

EP 0429402 A2 19910529; EP 0429402 A3 19910731; IT 8967903 A0 19891020; JP H03147293 A 19910624

DOCDB simple family (application)

EP 90830461 A 19901016; IT 6790389 A 19891020; JP 28170690 A 19901018