EP 0989785 A2 20000329 - Circuit improvement for low pressure discharge lamp
Title (en)
Circuit improvement for low pressure discharge lamp
Title (de)
Verbesserte Anlaufschaltung für Niederdruck-Entladungslampe
Title (fr)
Circuit amélioré pour lampe à décharge basse pression
Publication
Application
Priority
DE 19838830 A 19980826
Abstract (en)
[origin: US6163114A] In an operating circuit for a low-pressure discharge lamp, the lamp current is controlled depending on the lamp temperature or the luminous flux.
Abstract (de)
Bei einer Betriebsschaltung für eine Niederdruckentladungslampe wird der Lampenstrom abhängig von der Lampentemperatur oder dem Lichtstrom gesteuert. <IMAGE>
IPC 1-7
IPC 8 full level
H05B 41/18 (2006.01); G05F 1/00 (2006.01); H01J 61/52 (2006.01); H05B 37/02 (2006.01); H05B 41/00 (2006.01); H05B 41/285 (2006.01); H05B 41/36 (2006.01); H05B 41/38 (2006.01); H05B 41/39 (2006.01)
CPC (source: EP KR US)
H05B 41/36 (2013.01 - KR); H05B 41/386 (2013.01 - EP US); H05B 41/39 (2013.01 - EP US); Y10S 315/05 (2013.01 - EP US); Y10S 315/07 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE DE FR GB IT NL
DOCDB simple family (publication)
US 6163114 A 20001219; AT E215297 T1 20020415; CA 2281439 A1 20000226; CA 2281439 C 20090519; CN 1246029 A 20000301; DE 19838830 A1 20000302; DE 59901049 D1 20020502; EP 0989785 A2 20000329; EP 0989785 A3 20000412; EP 0989785 B1 20020327; JP 2000068081 A 20000303; KR 100404524 B1 20031105; KR 20000017548 A 20000325; TW 454427 B 20010911
DOCDB simple family (application)
US 36290799 A 19990729; AT 99112640 T 19990702; CA 2281439 A 19990825; CN 99118152 A 19990826; DE 19838830 A 19980826; DE 59901049 T 19990702; EP 99112640 A 19990702; JP 23572299 A 19990823; KR 19990035551 A 19990826; TW 88114176 A 19990819