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EP 0096804 B1 19881102 - HIGH PRESSURE SODIUM VAPOR LAMP

Title (en)

HIGH PRESSURE SODIUM VAPOR LAMP

Publication

EP 0096804 B1 19881102 (EN)

Application

EP 83105413 A 19830601

Priority

US 38739482 A 19820611

Abstract (en)

[origin: EP0096804A2] An electrode structure for sodium vapor lamps is disclosed having molybdenum metal wire coils wound around a tungsten shank to replace the customary all-tungsten electrode structure in these lamps. The improved electrode structures provide increased initial lumens with acceptable lumen maintenance.

IPC 1-7

H01J 61/073

IPC 8 full level

H01J 61/073 (2006.01); H01J 61/88 (2006.01)

CPC (source: EP KR)

H01J 61/073 (2013.01 - EP KR)

Designated contracting state (EPC)

BE DE FR GB IT NL

DOCDB simple family (publication)

EP 0096804 A2 19831228; EP 0096804 A3 19840822; EP 0096804 B1 19881102; BR 8303123 A 19840131; DE 3378392 D1 19881208; HU 185834 B 19850428; JP H0451932 B2 19920820; JP S5927445 A 19840213; KR 840005272 A 19841105; KR 910000927 B1 19910218; MX 153715 A 19861219

DOCDB simple family (application)

EP 83105413 A 19830601; BR 8303123 A 19830609; DE 3378392 T 19830601; HU 206083 A 19830609; JP 10299683 A 19830610; KR 830002569 A 19830609; MX 19761583 A 19830610