EP 0477975 A2 19920401 - Jacketed high pressure discharge lamp.
Title (en)
Jacketed high pressure discharge lamp.
Title (de)
Doppelwandige Hochdruckentladungslampe.
Title (fr)
Lampe à décharge à haute pression à double enveloppe.
Publication
Application
Priority
JP 25914290 A 19900928
Abstract (en)
A jacketed high pressure discharge lamp comprising an outer envelope (1) and have an arc tube (10) contained in the outer envelope and defining a space relative to the outer envelope, the arc tube (10) being comprised of a U-shaped transparent ceramic tube, having straight portions (11) and (11) parallel to each other and a bent portion (12), wherein the outer envelope and arc tubes are so spaced as to satisfy a predetermined relation. <IMAGE>
IPC 1-7
IPC 8 full level
H01J 61/32 (2006.01); H01J 61/34 (2006.01)
CPC (source: EP KR)
H01J 61/34 (2013.01 - EP KR)
Designated contracting state (EPC)
DE GB
DOCDB simple family (publication)
EP 0477975 A2 19920401; EP 0477975 A3 19920923; JP H04137452 A 19920512; KR 920007063 A 19920428; KR 940004552 B1 19940525
DOCDB simple family (application)
EP 91116567 A 19910927; JP 25914290 A 19900928; KR 910016866 A 19910927