BE440887A - - Google Patents
Info
- Publication number
- BE440887A BE440887A BE440887DA BE440887A BE 440887 A BE440887 A BE 440887A BE 440887D A BE440887D A BE 440887DA BE 440887 A BE440887 A BE 440887A
- Authority
- BE
- Belgium
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
-
- 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
- H01J61/822—High-pressure mercury lamps
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE212737X | 1938-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE440887A true BE440887A (en) |
Family
ID=5809614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE440887D BE440887A (en) | 1938-09-10 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2272467A (en) |
| BE (1) | BE440887A (en) |
| CH (1) | CH212737A (en) |
| FR (1) | FR860095A (en) |
| GB (1) | GB518455A (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2469607A (en) * | 1943-09-20 | 1949-05-10 | Gen Electric | Electric lamp unit |
| US2545884A (en) * | 1946-01-18 | 1951-03-20 | Gen Electric | High-pressure mercury vapor electric discharge lamp |
| US2467687A (en) * | 1946-07-08 | 1949-04-19 | Gen Electric | High-pressure discharge lamp |
| US2673944A (en) * | 1948-12-23 | 1954-03-30 | Gen Electric | Electric discharge lamp |
| US2667592A (en) * | 1951-01-11 | 1954-01-26 | Hanovia Chemical & Mfg Co | Electrode for compact type electrical discharge devices |
| US2682007A (en) * | 1951-01-11 | 1954-06-22 | Hanovia Chemical & Mfg Co | Compact type electrical discharge device |
| US2707247A (en) * | 1951-06-05 | 1955-04-26 | Hanovia Chemical & Mfg Co | Vapor electric discharge lamp |
| US3662175A (en) * | 1969-12-22 | 1972-05-09 | Tuttle Inc | Apparatus for generating ultra violet light |
| US3714493A (en) * | 1970-04-06 | 1973-01-30 | Gen Electric | Compact metal halide arc lamp containing primarily mercury iodide |
| US3882346A (en) * | 1973-11-05 | 1975-05-06 | Gen Electric | Ceramic arc tube mounting structure |
| DE2826733C2 (en) * | 1977-07-05 | 1982-07-29 | General Electric Co., Schenectady, N.Y. | High pressure metal halide discharge lamp |
| US4161672A (en) * | 1977-07-05 | 1979-07-17 | General Electric Company | High pressure metal vapor discharge lamps of improved efficacy |
| US4170746A (en) * | 1977-12-27 | 1979-10-09 | General Electric Company | High frequency operation of miniature metal vapor discharge lamps |
| US4199701A (en) * | 1978-08-10 | 1980-04-22 | General Electric Company | Fill gas for miniature high pressure metal vapor arc lamp |
| US5083059A (en) * | 1990-12-31 | 1992-01-21 | Welch Allyn, Inc. | Electrode for metal halide discharge lamp |
| US5253153A (en) * | 1992-09-16 | 1993-10-12 | General Electric Company | Vehicle headlamp comprising a metal-halide discharge lamp including an inner envelope and a surrounding shroud |
-
0
- BE BE440887D patent/BE440887A/xx unknown
-
1938
- 1938-09-30 GB GB28477/38A patent/GB518455A/en not_active Expired
-
1939
- 1939-08-17 CH CH212737D patent/CH212737A/en unknown
- 1939-09-07 US US293850A patent/US2272467A/en not_active Expired - Lifetime
- 1939-09-09 FR FR860095D patent/FR860095A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2272467A (en) | 1942-02-10 |
| CH212737A (en) | 1940-12-15 |
| GB518455A (en) | 1940-02-27 |
| FR860095A (en) | 1941-01-06 |