GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 157 593 259 patent documents

This week's update (02/08/2024 12:00 CET):

108 752 new documents added

1 451 440 documents amended

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EP 2849536 B1 20190213 - Control method for a mixed light source and control device for a mixed light source

Title (en)

Control method for a mixed light source and control device for a mixed light source

Title (de)

Steuerverfahren für eine Mischlichtquelle sowie Steuervorrichtung für eine Mischlichtquelle

Title (fr)

Procédé de commande pour une source d'éclairage mixte et dispositif de commande pour une source d'éclairage mixte

Publication

EP 2849536 B1 20190213 (DE)

Application

EP 14171240 A 20140605

Priority

DE 102013108552 A 20130808

IPC 8 full level

H05B 44/00 (2022.01)

CPC (source: EP US)

H05B 45/20 (2020.01 - EP US)

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

DOCDB simple family (publication)

DE 102013108552 A1 20150212; DE 102013108552 B4 20160721; EP 2849536 A1 20150318; EP 2849536 B1 20190213

DOCDB simple family (application)

DE 102013108552 A 20130808; EP 14171240 A 20140605