BE886872A - Lampe a decharge a vapeurs metalliques perfectionnee - Google Patents
Lampe a decharge a vapeurs metalliques perfectionneeInfo
- Publication number
- BE886872A BE886872A BE0/203329A BE203329A BE886872A BE 886872 A BE886872 A BE 886872A BE 0/203329 A BE0/203329 A BE 0/203329A BE 203329 A BE203329 A BE 203329A BE 886872 A BE886872 A BE 886872A
- Authority
- BE
- Belgium
- Prior art keywords
- discharge lamp
- metal vapor
- vapor discharge
- improved metal
- improved
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
- H01J61/125—Selection of substances for gas fillings; Specified operating pressure or temperature having an halogenide as principal component
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/107,253 US4339686A (en) | 1979-12-26 | 1979-12-26 | Metal vapor lamp having internal coating for extending condensate film |
Publications (1)
Publication Number | Publication Date |
---|---|
BE886872A true BE886872A (fr) | 1981-06-24 |
Family
ID=22315682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE0/203329A BE886872A (fr) | 1979-12-26 | 1980-12-24 | Lampe a decharge a vapeurs metalliques perfectionnee |
Country Status (3)
Country | Link |
---|---|
US (1) | US4339686A (fr) |
BE (1) | BE886872A (fr) |
NL (1) | NL8006740A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4387067A (en) * | 1980-02-06 | 1983-06-07 | Ngk Insulators, Ltd. | Ceramic arc tube of metal vapor discharge lamps and a method of producing the same |
US5032762A (en) * | 1990-07-16 | 1991-07-16 | General Electric Company | Protective beryllium oxide coating for high-intensity discharge lamps |
US5536991A (en) * | 1994-09-13 | 1996-07-16 | General Electric Company | Lamp having silica protective coating |
EP0704880A3 (fr) * | 1994-09-28 | 1998-09-30 | Matsushita Electric Industrial Co., Ltd. | Lampe à décharge haute pression, procédé de fabrication d'un tube à décharge pour lampes à décharge haute pression et procédé de fabrication d'un tube creux |
DE10026908A1 (de) * | 2000-05-31 | 2001-12-06 | Philips Corp Intellectual Pty | Farbige elektrische Lampe mit farbpigmenthaltiger Beschichtung |
JP4258818B2 (ja) * | 2004-06-16 | 2009-04-30 | 三菱重工業株式会社 | 発光材料、発光体、および発光方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3234421A (en) * | 1961-01-23 | 1966-02-08 | Gen Electric | Metallic halide electric discharge lamps |
GB981232A (en) * | 1961-07-05 | 1965-01-20 | Lumalampan Ab | Improvements in or relating to mercury vapour lamps |
US3619682A (en) * | 1969-04-01 | 1971-11-09 | Sylvania Electric Prod | Arc discharge lamp including means for cooling envelope surrounding an arc tube |
US3935495A (en) * | 1974-03-22 | 1976-01-27 | General Electric Company | Chemically polished polycrystalline alumina material |
US4161672A (en) * | 1977-07-05 | 1979-07-17 | General Electric Company | High pressure metal vapor discharge lamps of improved efficacy |
-
1979
- 1979-12-26 US US06/107,253 patent/US4339686A/en not_active Expired - Lifetime
-
1980
- 1980-12-11 NL NL8006740A patent/NL8006740A/nl not_active Application Discontinuation
- 1980-12-24 BE BE0/203329A patent/BE886872A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL8006740A (nl) | 1981-07-16 |
US4339686A (en) | 1982-07-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE | Patent lapsed |
Owner name: GENERAL ELECTRIC CY Effective date: 19881231 |