BE390947A - - Google Patents
Info
- Publication number
- BE390947A BE390947A BE390947DA BE390947A BE 390947 A BE390947 A BE 390947A BE 390947D A BE390947D A BE 390947DA BE 390947 A BE390947 A BE 390947A
- 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
- H01J61/92—Lamps with more than one main discharge path
- H01J61/94—Paths producing light of different wavelengths, e.g. for simulating daylight
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEN33609D DE613361C (de) | 1932-04-24 | 1932-04-24 | Anordnung von mindestens zwei in verschiedenen Leuchtfarben aufleuchtenden, schraubenfoermig gewundenen Leuchtroehren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE390947A true BE390947A (https=) | 1932-10-31 |
Family
ID=7346582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE390947D BE390947A (https=) | 1932-04-24 | 1932-09-12 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE390947A (https=) |
| DE (1) | DE613361C (https=) |
| FR (1) | FR752589A (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6023947A (ja) * | 1983-07-18 | 1985-02-06 | Matsushita Electric Works Ltd | カラー放電灯 |
| CA2066604A1 (en) * | 1990-07-18 | 1992-01-19 | Koichi Hayashi | Variable color lamp |
-
1932
- 1932-04-24 DE DEN33609D patent/DE613361C/de not_active Expired
- 1932-09-12 BE BE390947D patent/BE390947A/xx unknown
-
1933
- 1933-03-17 FR FR752589D patent/FR752589A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE613361C (de) | 1935-05-17 |
| FR752589A (fr) | 1933-09-26 |