BE424693A - - Google Patents
Info
- Publication number
- BE424693A BE424693A BE424693DA BE424693A BE 424693 A BE424693 A BE 424693A BE 424693D A BE424693D A BE 424693DA BE 424693 A BE424693 A BE 424693A
- 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
- H01J61/96—Lamps with light-emitting discharge path and separately-heated incandescent body within a common envelope, e.g. for simulating daylight
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE484975X | 1936-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE424693A true BE424693A (en:Method) |
Family
ID=6543216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE424693D BE424693A (en:Method) | 1936-11-20 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2200951A (en:Method) |
| BE (1) | BE424693A (en:Method) |
| FR (1) | FR829567A (en:Method) |
| GB (1) | GB484975A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2723366A (en) * | 1950-11-13 | 1955-11-08 | Gen Electric | Starting and operating circuit for high pressure gaseous discharge device |
| GB1054423A (en:Method) * | 1963-04-22 | |||
| US4987342A (en) * | 1989-03-27 | 1991-01-22 | Gte Products Corporation | Self-ballasted glow discharge lamp having indirectly-heated cathode |
-
0
- BE BE424693D patent/BE424693A/xx unknown
-
1937
- 1937-11-13 US US174456A patent/US2200951A/en not_active Expired - Lifetime
- 1937-11-17 GB GB31641/37A patent/GB484975A/en not_active Expired
- 1937-11-19 FR FR829567D patent/FR829567A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB484975A (en) | 1938-05-12 |
| FR829567A (fr) | 1938-06-30 |
| US2200951A (en) | 1940-05-14 |