EP 0491434 B1 19960717 - Fluorescent lamp electrode disconnect arrangement
Title (en)
Fluorescent lamp electrode disconnect arrangement
Title (de)
Vorrichtung zur Elektrodenabkopplung einer Leuchtstofflampe
Title (fr)
Dispositif pour déconnexion d'une électrode d'une lampe
Publication
Application
Priority
- US 62986890 A 19901219
- US 67369291 A 19910321
Abstract (en)
[origin: EP0491434A1] A fluorescent lamp system including a switch for each electrode of the lamp system wherein each switch is operable in response to the voltage across its associated lamp after its associated lamp turns on to interrupt the connection of an associated electrode to its associated heater winding. <IMAGE>
IPC 1-7
IPC 8 full level
H05B 41/232 (2006.01)
CPC (source: EP KR)
H05B 41/14 (2013.01 - KR); H05B 41/2325 (2013.01 - EP); Y10S 315/05 (2013.01 - EP)
Designated contracting state (EPC)
BE DE FR GB IT NL
DOCDB simple family (publication)
EP 0491434 A1 19920624; EP 0491434 B1 19960717; CA 2057682 A1 19920620; DE 69120913 D1 19960822; DE 69120913 T2 19970116; HU 213126 B 19970228; HU 913971 D0 19920330; HU T59785 A 19920629; JP H04277494 A 19921002; KR 100218555 B1 19990901; KR 920014370 A 19920730; MX 9102104 A 19920601
DOCDB simple family (application)
EP 91203266 A 19911211; CA 2057682 A 19911216; DE 69120913 T 19911211; HU 397191 A 19911216; JP 33203091 A 19911216; KR 910023071 A 19911216; MX 9102104 A 19911118