EP 0639853 A1 19950222 - High-pressure discharge lamp with ceramic discharge vessel.
Title (en)
High-pressure discharge lamp with ceramic discharge vessel.
Title (de)
Hochdruckentladungslampe mit keramischem Entladungsgefäss.
Title (fr)
Lampe à décharge à haute pression avec récipient à décharge en céramique.
Publication
Application
Priority
DE 4327535 A 19930816
Abstract (en)
In metal halide (halogenide) lamps with a ceramic discharge vessel, the electrode shaft (12) is encased by a sleeve (17) to improve the ignition behaviour. The sleeve preferably consists of ceramic. <IMAGE>
Abstract (de)
Bei Metallhalogenidlampen mit keramischem Entladungsgefäß wird der Elektrodenschaft (12) mit einer Hülse (17) ummantelt, um das Zündverhalten zu verbessern. Sie besteht bevorzugt aus Keramik. <IMAGE>
IPC 1-7
IPC 8 full level
H01J 61/073 (2006.01); H01J 61/10 (2006.01); H01J 61/36 (2006.01); H01J 61/54 (2006.01); H01J 61/82 (2006.01)
CPC (source: EP)
H01J 61/0732 (2013.01); H01J 61/10 (2013.01); H01J 61/36 (2013.01); H01J 61/366 (2013.01); H01J 61/54 (2013.01); H01J 61/827 (2013.01); H01J 61/34 (2013.01)
Citation (search report)
- [X] GB 1240253 A 19710721 - GEN ELECTRIC CO LTD [GB]
- [X] US 3821587 A 19740628 - LIBERMAN I, et al
- [A] EP 0264764 A2 19880427 - PATENT TREUHAND GES FUER ELEKTRISCHE GLUEHLAMPEN MBH [DE]
- [A] EP 0271877 A2 19880622 - GTE PROD CORP [US]
- [A] FR 2359505 A1 19780217 - THORN ELECTRICAL IND LTD [GB]
Designated contracting state (EPC)
BE DE FR GB IT NL
DOCDB simple family (publication)
EP 0639853 A1 19950222; EP 0639853 B1 19980610; DE 4327535 A1 19950223; DE 59406182 D1 19980716; HU 214798 B 19980528; HU 9401480 D0 19940829; HU T68196 A 19950529; JP H0794142 A 19950407
DOCDB simple family (application)
EP 94112142 A 19940803; DE 4327535 A 19930816; DE 59406182 T 19940803; HU 9401480 A 19940506; JP 19256394 A 19940816