Global Patent Index - EP 0455295 B1

EP 0455295 B1 19950705 - High-pressure discharge lamp.

Title (en)

High-pressure discharge lamp.

Title (de)

Hochdruckentladungslampe.

Title (fr)

Lampe à décharge à haute pression.

Publication

EP 0455295 B1 19950705 (EN)

Application

EP 91200991 A 19910425

Priority

NL 9001035 A 19900501

Abstract (en)

[origin: EP0455295A1] The high pressure discharge lamp has a lamp vessel (21) having a flat seal (22) wherein a recess (31) is present between the current supply conductors (29, 30). the recess (31) extends from the end face of the seal (22) and runs from one major face thereof to the other. The lamp may be mounted in a ceramic cap (40) having a slot (51) extending from the base portion (42) thereof. The slot (51) is separated by walls (52, 53) from the interior (41) of the cap (40). The lamp has a rigid structure, is easy to manufacture and provides increased resistance to flash-over when started on a high voltage pulse. <IMAGE>

IPC 1-7

H01J 61/36

IPC 8 full level

H01J 5/50 (2006.01); H01J 61/36 (2006.01)

CPC (source: EP)

H01J 61/368 (2013.01)

Designated contracting state (EPC)

BE DE FR GB IT NL

DOCDB simple family (publication)

EP 0455295 A1 19911106; EP 0455295 B1 19950705; DE 69110968 D1 19950810; DE 69110968 T2 19960314; HU 205486 B 19920428; HU T57465 A 19911128; JP 2001000018 U 20010511; JP H04230947 A 19920819

DOCDB simple family (application)

EP 91200991 A 19910425; DE 69110968 T 19910425; HU 143991 A 19910429; JP 12452191 A 19910430; JP 2000007874 U 20001102