Global Patent Index - EP 3138367 A1

EP 3138367 A1 20170308 - ELECTRONIC CIRCUIT FOR CONTROLLING LIGHT SOURCES

Title (en)

ELECTRONIC CIRCUIT FOR CONTROLLING LIGHT SOURCES

Title (de)

ELEKTRONISCHE SCHALTUNG ZUR STEUERUNG VON LICHTQUELLEN

Title (fr)

CIRCUIT ÉLECTRONIQUE DE COMMANDE DE SOURCES DE LUMIÈRE

Publication

EP 3138367 A1 20170308 (FR)

Application

EP 15719783 A 20150325

Priority

  • FR 1453976 A 20140430
  • FR 2015050743 W 20150325

Abstract (en)

[origin: WO2015166152A1] The invention relates to an electronic circuit for controlling at least one first light source (D11) and a second light source (D21), comprising a generator (GEN) of a pulse-carrier signal (PWM1) of variable duty ratio, characterized by means designed to turn on the first light source (D11) in accordance with the pulse-carrier signal (PWM1) during a first time interval and to turn on the second light source (D21) in accordance with the pulse-carrier signal (PWM1) during a second time interval (T2).

IPC 8 full level

H05B 44/00 (2022.01)

CPC (source: EP US)

H05B 45/325 (2020.01 - EP US); H05B 45/46 (2020.01 - EP US)

Citation (search report)

See references of WO 2015166152A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2015166152 A1 20151105; EP 3138367 A1 20170308; FR 3020739 A1 20151106; FR 3020739 B1 20190503

DOCDB simple family (application)

FR 2015050743 W 20150325; EP 15719783 A 20150325; FR 1453976 A 20140430