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Patent Searching and Data


Title:
LAMP HAVING AN INNER AND AN OUTER VESSEL
Document Type and Number:
WIPO Patent Application WO2003088293
Kind Code:
A3
Abstract:
The lamp (10) described has an inner halogen burner (14) whose incandescent filament (18) is connected to electrical conductors that run out of the burner (22) in sealing regions (20). To prevent these conductors from oxidizing, the burner (14) is arranged inside a preferably bulb-shaped outer vessel (12) whose interior is evacuated. The burner (14) preferably has an infrared-reflective layer (24). The outer vessel (12) may be provided with an anti-dazzle cap (30).

Inventors:
GILLES HERBERT (DE)
Application Number:
PCT/IB2003/001282
Publication Date:
July 22, 2004
Filing Date:
April 14, 2003
Export Citation:
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Assignee:
PHILIPS INTELLECTUAL PROPERTY (DE)
KONINKL PHILIPS ELECTRONICS NV (NL)
GILLES HERBERT (DE)
International Classes:
G02B5/28; H01J61/26; H01J61/34; H01J61/40; H01J61/82; H01K1/26; H01K1/32; H01K1/34; H01K1/50; H01J; (IPC1-7): H01K1/50; G02B5/28; H01J61/26; H01J61/34; H01J61/40; H01J61/82; H01K1/26; H01K1/32; H01K1/34
Domestic Patent References:
WO2001084597A12001-11-08
Foreign References:
GB481063A1938-03-04
EP1227512A22002-07-31
FR1605130A1973-03-16
EP0895275A21999-02-03
US6049169A2000-04-11
GB2313706A1997-12-03
US5619102A1997-04-08
EP1052447A22000-11-15
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