EP 1032010 A4 20011128 - ANHYDROUS SILVER HALIDE LAMP
Title (en)
ANHYDROUS SILVER HALIDE LAMP
Title (de)
WASSERFREIE SILBERHALOGENIDLAMPE
Title (fr)
LAMPE A L'HALOGENURE D'ARGENT ANHYDRE
Publication
Application
Priority
- JP 9904969 W 19990910
- JP 26115598 A 19980916
- JP 6473299 A 19990311
- JP 21683099 A 19990730
Abstract (en)
[origin: EP1032010A1] A pair of electrodes 3 are provided in an arc tube 1. I/S is 20 (A/mm<2>) or less on a condition that an area of a cross section at a tip of the electrodes 3 is S (mm <2>) and an operating current between the electrodes 3 is I (A). According to this constitution, a long lamp life can be obtained without causing a rise in the lamp voltage and the blackening of the arc tube 1 by the evaporation of the electrodes while operation time becomes longer. <IMAGE>
IPC 1-7
IPC 8 full level
H01J 61/12 (2006.01); H01J 61/82 (2006.01)
CPC (source: EP KR)
H01J 61/04 (2013.01 - KR); H01J 61/12 (2013.01 - EP); H01J 61/827 (2013.01 - EP); H01J 61/34 (2013.01 - EP)
Citation (search report)
- [XY] GB 1502612 A 19780301 - THORN ELECTRICAL IND LTD
- [Y] US 4340836 A 19820720 - BERGMAN ROLF S, et al
- [XA] US 3259777 A 19660705 - FRIDRICH ELMER G
- [A] US 3989970 A 19761102 - DOWNING ROBERT D
- [PX] EP 0883160 A1 19981209 - TOSHIBA LIGHTING & TECHNOLOGY [JP]
- [Y] WO 9825294 A1 19980611 - PHILIPS ELECTRONICS NV [NL], et al
- [Y] EP 0587238 A1 19940316 - KONINKL PHILIPS ELECTRONICS NV [NL]
- [A] EP 0828285 A2 19980311 - MATSUSHITA ELECTRIC IND CO LTD [JP]
- [A] EP 0416937 A2 19910313 - GEN ELECTRIC [US]
- [A] US 4935668 A 19900619 - HANSLER RICHARD L [US], et al
- See references of WO 0016360A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
EP 1032010 A1 20000830; EP 1032010 A4 20011128; CN 1277732 A 20001220; KR 20010024584 A 20010326; TW 429390 B 20010411; WO 0016360 A1 20000323
DOCDB simple family (application)
EP 99943295 A 19990910; CN 99801596 A 19990910; JP 9904969 W 19990910; KR 20007004945 A 20000506; TW 88115913 A 19990915