DE3852169D1 - Bogenentladungslampe. - Google Patents
Bogenentladungslampe.Info
- Publication number
- DE3852169D1 DE3852169D1 DE3852169T DE3852169T DE3852169D1 DE 3852169 D1 DE3852169 D1 DE 3852169D1 DE 3852169 T DE3852169 T DE 3852169T DE 3852169 T DE3852169 T DE 3852169T DE 3852169 D1 DE3852169 D1 DE 3852169D1
- Authority
- DE
- Germany
- Prior art keywords
- discharge lamp
- arc discharge
- arc
- lamp
- 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
- H01J61/02—Details
- H01J61/24—Means for obtaining or maintaining the desired pressure within the vessel
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB878725912A GB8725912D0 (en) | 1987-11-05 | 1987-11-05 | Discharge arc lamp |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3852169D1 true DE3852169D1 (de) | 1995-01-05 |
DE3852169T2 DE3852169T2 (de) | 1995-07-13 |
Family
ID=10626475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19883852169 Expired - Fee Related DE3852169T2 (de) | 1987-11-05 | 1988-11-03 | Bogenentladungslampe. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0315445B1 (de) |
DE (1) | DE3852169T2 (de) |
GB (1) | GB8725912D0 (de) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB526401A (en) * | 1939-03-15 | 1940-09-17 | Siemens Electric Lamps & Suppl | Improvements relating to electric discharge lamps |
EP0080820A3 (de) * | 1981-11-27 | 1983-12-14 | Thorn Emi Plc | Entladungslampe |
CA1209193A (en) * | 1982-11-26 | 1986-08-05 | General Electric Company | High pressure sodium lamp having improved coloring rendition |
US4868457A (en) * | 1985-01-14 | 1989-09-19 | General Electric Company | Ceramic lamp end closure and inlead structure |
-
1987
- 1987-11-05 GB GB878725912A patent/GB8725912D0/en active Pending
-
1988
- 1988-11-03 DE DE19883852169 patent/DE3852169T2/de not_active Expired - Fee Related
- 1988-11-03 EP EP19880310343 patent/EP0315445B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE3852169T2 (de) | 1995-07-13 |
GB8725912D0 (en) | 1987-12-09 |
EP0315445A2 (de) | 1989-05-10 |
EP0315445B1 (de) | 1994-11-23 |
EP0315445A3 (de) | 1991-01-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |