DE68916346D1 - Metallhalogenidentladungslampe mit verbesserter Farbwiedergabe. - Google Patents
Metallhalogenidentladungslampe mit verbesserter Farbwiedergabe.Info
- Publication number
- DE68916346D1 DE68916346D1 DE68916346T DE68916346T DE68916346D1 DE 68916346 D1 DE68916346 D1 DE 68916346D1 DE 68916346 T DE68916346 T DE 68916346T DE 68916346 T DE68916346 T DE 68916346T DE 68916346 D1 DE68916346 D1 DE 68916346D1
- Authority
- DE
- Germany
- Prior art keywords
- discharge lamp
- metal halide
- color rendering
- improved color
- halide discharge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/82—Lamps with high-pressure unconstricted discharge having a cold pressure > 400 Torr
- H01J61/827—Metal halide arc lamps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/02—Details
- H01J61/30—Vessels; Containers
- H01J61/34—Double-wall vessels or containers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US24337088A | 1988-09-12 | 1988-09-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68916346D1 true DE68916346D1 (de) | 1994-07-28 |
DE68916346T2 DE68916346T2 (de) | 1995-02-16 |
Family
ID=22918490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1989616346 Expired - Fee Related DE68916346T2 (de) | 1988-09-12 | 1989-09-12 | Metallhalogenidentladungslampe mit verbesserter Farbwiedergabe. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0359200B1 (de) |
JP (1) | JPH02177245A (de) |
CA (1) | CA1324633C (de) |
DE (1) | DE68916346T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4961019A (en) * | 1988-10-14 | 1990-10-02 | Gte Products Corporation | Metal halide lamp assembly |
US5270608A (en) * | 1991-10-31 | 1993-12-14 | Williamson Glen P | Metal halide arc discharge lamp assembly |
CA2101516A1 (en) * | 1992-07-29 | 1994-01-30 | Zeya K. Krasko | Metal halide lamp |
US5457354A (en) * | 1994-09-26 | 1995-10-10 | Osram Sylvania Inc. | Lamp with improved mount for light-source capsule |
EP0784334B1 (de) * | 1996-01-11 | 2000-05-03 | Osram Sylvania Inc. | Metallhalogenidlampe |
US5694002A (en) * | 1996-05-08 | 1997-12-02 | Osram Sylvania Inc. | Metal halide lamp with improved color characteristics |
US7388333B2 (en) * | 2003-10-10 | 2008-06-17 | Koninklijke Philips Electronics, N.V. | High pressure discharge lamp having emission matching an absorption spectrum of green plant |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3979624A (en) * | 1975-04-29 | 1976-09-07 | Westinghouse Electric Corporation | High-efficiency discharge lamp which incorporates a small molar excess of alkali metal halide as compared to scandium halide |
GB1533345A (en) * | 1977-05-12 | 1978-11-22 | Gen Electric Co Ltd | High pressure electric discharge lamps |
US4528478A (en) * | 1983-06-09 | 1985-07-09 | Gte Products Corporation | Single-ended metal halide discharge lamp with minimal color separation |
CA1246653A (en) * | 1984-08-20 | 1988-12-13 | William M. Keeffe | Low wattage metal halide lamp |
US4678960A (en) * | 1985-08-01 | 1987-07-07 | General Electric Company | Metallic halide electric discharge lamps |
-
1989
- 1989-09-11 CA CA000610989A patent/CA1324633C/en not_active Expired - Fee Related
- 1989-09-12 DE DE1989616346 patent/DE68916346T2/de not_active Expired - Fee Related
- 1989-09-12 EP EP19890116864 patent/EP0359200B1/de not_active Expired - Lifetime
- 1989-09-12 JP JP23484189A patent/JPH02177245A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0359200A2 (de) | 1990-03-21 |
EP0359200A3 (de) | 1991-05-08 |
JPH02177245A (ja) | 1990-07-10 |
CA1324633C (en) | 1993-11-23 |
DE68916346T2 (de) | 1995-02-16 |
EP0359200B1 (de) | 1994-06-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: FLOWIL INTERNATIONAL LIGHTING (HOLDING) B.V., AMST |
|
8339 | Ceased/non-payment of the annual fee |