EP 1215641 B1 20060308 - Apparatus for monitoring and controlling a traffic control light
Title (en)
Apparatus for monitoring and controlling a traffic control light
Title (de)
Gerät zur Überwachung und zur Steuerung einer Strassenverkehrslichtsignalanlage
Title (fr)
Appareil de contrôle et de commande d'une installation de feux routiers
Publication
Application
Priority
FI 20002733 A 20001213
Abstract (en)
[origin: EP1215641A2] An apparatus for monitoring and/or controlling a traffic control light, the light source of said control light consisting of LEDs (2) connected on a circuit board (1), said control light being controlled by means of a control unit, and said control light comprising a lens dome part (3) which is fitted in front of the LEDs and contains transparent light directing elements (4), and said apparatus comprising detectors (5) disposed in connection with the LEDs used as light sources on the same side of the circuit board (1) with these, some of the light reflected from the LEDs being directed to said detectors, which are used to provide optical feedback for the monitoring and/or control of the operation of the control light. The apparatus comprises non-transparent reflectors (6) arranged between the light directing elements to reflect some of the light emitted by the LEDs (2) in the direction of illumination to the detectors (5). <IMAGE>
IPC 8 full level
G08G 1/095 (2006.01)
CPC (source: EP)
B61L 5/1881 (2013.01); G08G 1/095 (2013.01); G08G 1/097 (2013.01); H05B 45/58 (2020.01); B61L 2207/02 (2013.01)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1215641 A2 20020619; EP 1215641 A3 20041215; EP 1215641 B1 20060308; AT E320056 T1 20060315; DE 60117683 D1 20060504; DE 60117683 T2 20061130; FI 115250 B 20050331; FI 20002733 A0 20001213; FI 20002733 A 20020614
DOCDB simple family (application)
EP 01204845 A 20011213; AT 01204845 T 20011213; DE 60117683 T 20011213; FI 20002733 A 20001213