BE420764A - - Google Patents
Info
- Publication number
- BE420764A BE420764A BE420764DA BE420764A BE 420764 A BE420764 A BE 420764A BE 420764D A BE420764D A BE 420764DA BE 420764 A BE420764 A BE 420764A
- 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
- H01J61/02—Details
- H01J61/12—Selection of substances for gas fillings; Specified operating pressure or temperature
-
- 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
-
- 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 |
|---|---|---|---|
| DE467078X | 1936-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE420764A true BE420764A (en) |
Family
ID=6540647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE420764D BE420764A (en) | 1936-03-27 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2176134A (en) |
| BE (1) | BE420764A (en) |
| FR (1) | FR819753A (en) |
| GB (1) | GB467078A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2774013A (en) * | 1949-04-07 | 1956-12-11 | Gen Electric | Electric discharge lamp |
| US2687486A (en) * | 1952-01-24 | 1954-08-24 | Westinghouse Electric Corp | Gaseous discharge lamp |
| NL7011321A (en) * | 1970-07-31 | 1972-02-02 | ||
| US3883766A (en) * | 1973-07-19 | 1975-05-13 | Gte Sylvania Inc | Method of operating high-intensity arc discharge lamp |
| US4199701A (en) * | 1978-08-10 | 1980-04-22 | General Electric Company | Fill gas for miniature high pressure metal vapor arc lamp |
| JPH0622110B2 (en) * | 1984-02-14 | 1994-03-23 | 株式会社日立製作所 | Discharge lamp |
-
0
- BE BE420764D patent/BE420764A/xx unknown
-
1937
- 1937-03-17 US US131489A patent/US2176134A/en not_active Expired - Lifetime
- 1937-03-24 GB GB8733/37A patent/GB467078A/en not_active Expired
- 1937-03-25 FR FR819753D patent/FR819753A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2176134A (en) | 1939-10-17 |
| FR819753A (en) | 1937-10-26 |
| GB467078A (en) | 1937-06-10 |