EP 1045623 A3 20020206 - A dimmer and dimming lighting system
Title (en)
A dimmer and dimming lighting system
Title (de)
Dimmer und Beleuchtungssystem zum Dimmen
Title (fr)
Gradateur et dispositif d' éclairage variateur d'intensité
Publication
Application
Priority
IL 12940599 A 19990413
Abstract (en)
[origin: EP1045623A2] The invention provides a dimmable lighting system fed from a mains and connectable to at least one ballast and to at least one discharge lamp, the system including at least one switching component operable to connect the mains voltage to the lamp's circuit at certain periods of time and to provide a short circuit across the lamp's circuit between the periods of time, and a control circuit for sensing the mains voltage and selectively activating the switching component with reference to the mains voltage. <IMAGE>
IPC 1-7
IPC 8 full level
H05B 41/392 (2006.01)
CPC (source: EP)
H05B 41/3924 (2013.01)
Citation (search report)
- [X] US 4350935 A 19820921 - SPIRA JOEL S, et al
- [X] GB 2269948 A 19940223 - AXIOMATIC DESIGN LTD [GB]
- [AP] FR 2771589 A1 19990528 - SGS THOMSON MICROELECTRONICS [FR]
- [A] US 4904906 A 19900227 - ATHERTON LARRY S [US], et al
- [A] US 4527099 A 19850702 - CAPEWELL DENNIS [US], et al
- [A] US 4899088 A 19900206 - BLACK JR ROBERT A [US], et al
- [A] EP 0905871 A2 19990331 - HELVAR OY [FI]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 1045623 A2 20001018; EP 1045623 A3 20020206; AU 2768600 A 20001019; CA 2304301 A1 20001013; IL 129405 A0 20000217
DOCDB simple family (application)
EP 00302926 A 20000406; AU 2768600 A 20000411; CA 2304301 A 20000407; IL 12940599 A 19990413