EP 1959715 A1 20080820 - Traffic signal light
Title (en)
Traffic signal light
Title (de)
Verkehrssignallampe
Title (fr)
Feu de signalisation de trafic
Publication
Application
Priority
GB 0702315 A 20070207
Abstract (en)
Traffic control signal comprising an array of light emitting diodes. Light emitted from one light emitting diode passes through a first optical filter (36) and is sensed by a light detector (18). An electro-optic feedback system uses the detected light to control the light emitting diodes.
IPC 8 full level
H05B 33/08 (2006.01); H05B 44/00 (2022.01)
CPC (source: EP GB US)
B61L 5/18 (2013.01 - GB); B61L 5/1836 (2013.01 - EP US); B61L 5/1845 (2013.01 - EP); B61L 5/1881 (2013.01 - EP); G08G 1/095 (2013.01 - GB); H05B 45/00 (2020.01 - GB); H05B 45/10 (2020.01 - GB); H05B 45/12 (2020.01 - EP US); B61L 2207/02 (2013.01 - EP); H05B 45/395 (2020.01 - EP US)
Citation (applicant)
- WO 9849872 A1 19981105 - SIGNAL HOUSE LIMITED [GB], et al
- WO 2006067267 A1 20060629 - SABIK AB OY [FI], et al
Citation (search report)
- [X] WO 2006056066 A1 20060601 - TIR SYSTEMS LTD [CA], et al
- [X] US 2006261742 A1 20061123 - NG KEE Y [MY], et al
- [X] WO 2007004108 A1 20070111 - KONINKL PHILIPS ELECTRONICS NV [NL], et al
- [X] WO 2004057922 A1 20040708 - KONINKL PHILIPS ELECTRONICS NV [NL], et al
- [A] FR 2875993 A1 20060331 - THALES SA [FR]
- [A] US 4998043 A 19910305 - UNAMI YOSHIHARA [JP], et al
- [DA] WO 2006067267 A1 20060629 - SABIK AB OY [FI], et al
- [PX] WO 2007046026 A1 20070426 - PHILIPS INTELLECTUAL PROPERTY [DE], et al
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
EP 1959715 A1 20080820; GB 0702315 D0 20070321; GB 2446410 A 20080813; GB 2446410 B 20110713
DOCDB simple family (application)
EP 08250445 A 20080207; GB 0702315 A 20070207