BE345547A - - Google Patents
Info
- Publication number
- BE345547A BE345547A BE345547DA BE345547A BE 345547 A BE345547 A BE 345547A BE 345547D A BE345547D A BE 345547DA BE 345547 A BE345547 A BE 345547A
- 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
- H01J61/18—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent
- H01J61/20—Selection of substances for gas fillings; Specified operating pressure or temperature having a metallic vapour as the principal constituent mercury vapour
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US204479A US1680271A (en) | 1927-07-09 | 1927-07-09 | Argon-mercury discharge tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE345547A true BE345547A (en) |
Family
ID=22758059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE345547D BE345547A (en) | 1927-07-09 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1680271A (en) |
| BE (1) | BE345547A (en) |
| FR (1) | FR644800A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3331977A (en) * | 1965-03-15 | 1967-07-18 | Westinghouse Electric Corp | High output discharge lamp with vapor pressure control means |
| NL7712059A (en) * | 1977-11-02 | 1979-05-04 | Philips Nv | LOW PRESSURE SODIUM VAPOR DISCHARGE LAMP. |
-
0
- BE BE345547D patent/BE345547A/xx unknown
-
1927
- 1927-07-09 US US204479A patent/US1680271A/en not_active Expired - Lifetime
- 1927-10-15 FR FR644800D patent/FR644800A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR644800A (en) | 1928-10-13 |
| US1680271A (en) | 1928-08-07 |