EP 0236147 B1 19920401 - METHOD AND SYSTEM OF CHECKING MALFUNCTIONS OF AT LEAST ONE LIGHT SOURCE
Title (en)
METHOD AND SYSTEM OF CHECKING MALFUNCTIONS OF AT LEAST ONE LIGHT SOURCE
Publication
Application
Priority
FR 8600214 A 19860109
Abstract (en)
[origin: EP0236147A1] With the aid of a photocomponent (10), the possible radiation emitted by the said source during a period in which it is live, is detected. A malfunction signal is transmitted over the supply line of the source in the absence of detected radiation. The said malfunction signal is picked up at a point of the line remote from the said source. <IMAGE>
IPC 1-7
IPC 8 full level
H05B 37/03 (2006.01)
CPC (source: EP)
H05B 47/22 (2020.01)
Designated contracting state (EPC)
AT BE CH DE ES GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0236147 A1 19870909; EP 0236147 B1 19920401; AT E74482 T1 19920415; DE 3777860 D1 19920507; ES 2030081 T3 19921016; FR 2592718 A1 19870710; FR 2592718 B1 19880826; GR 3004815 T3 19930428
DOCDB simple family (application)
EP 87400041 A 19870109; AT 87400041 T 19870109; DE 3777860 T 19870109; ES 87400041 T 19870109; FR 8600214 A 19860109; GR 920401159 T 19920604