BE433959A - - Google Patents
Info
- Publication number
- BE433959A BE433959A BE433959DA BE433959A BE 433959 A BE433959 A BE 433959A BE 433959D A BE433959D A BE 433959DA BE 433959 A BE433959 A BE 433959A
- 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
- H01J61/04—Electrodes; Screens; Shields
- H01J61/06—Main electrodes
- H01J61/073—Main electrodes for high-pressure discharge lamps
- H01J61/0732—Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEQ2207D DE754219C (en) | 1938-04-24 | 1938-04-24 | High-pressure metal vapor lamp, in particular high-pressure mercury lamp, with fixed, non-activated heating electrodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE433959A true BE433959A (en) | 1939-05-31 |
Family
ID=5797266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE433959D BE433959A (en) | 1938-04-24 | 1939-04-22 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE433959A (en) |
| CH (1) | CH210418A (en) |
| DE (1) | DE754219C (en) |
| FR (1) | FR853268A (en) |
| GB (1) | GB528577A (en) |
| NL (1) | NL55294C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL269416A (en) * | 1960-09-21 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR392509A (en) * | 1907-11-20 | 1908-11-28 | Union Special Machinenfabrik G | Widening and winding machine for tubular knits and similar articles |
| GB191028888A (en) * | 1910-07-15 | 1911-04-13 | Felicien Adrien Marie Michotte | Electric Arc Lamps. |
| GB191418149A (en) * | 1913-08-05 | 1915-07-29 | Heinrich Greinacher | Improvements in Arc-incandescent Lamps. |
| FR493026A (en) * | 1918-04-24 | 1919-07-29 | Henri George | Quartz mercury vapor lamp, operating on alternating current |
| FR555516A (en) * | 1921-08-30 | 1923-07-02 | Philips Nv | Closed Arc Discharge Tubes |
| DE650383C (en) * | 1930-08-10 | 1937-09-21 | Siemens & Halske Akt Ges | Noble gas-filled high-pressure metal vapor arc lamp with two hard metal electrodes that serve as the base of the arc during operation |
| AT130412B (en) * | 1930-09-15 | 1932-11-25 | Siemens Ag | Metal vapor arc lamp for AC operation. |
| NL34215C (en) * | 1930-12-20 | |||
| GB441895A (en) * | 1933-10-27 | 1936-01-29 | Francois Joseph Gerard Van Den | Improvements in or relating to electric gaseous discharge lamps |
| DE711871C (en) * | 1934-11-06 | 1941-10-08 | Philips Patentverwaltung | Artificially cooled, closed high-pressure mercury vapor discharge tubes serving to emit rays |
| DE657108C (en) * | 1934-11-05 | 1938-02-25 | Philips Patentverwaltung | Artificially cooled high pressure mercury vapor discharge tubes for light emission |
| US2116429A (en) * | 1935-10-14 | 1938-05-03 | Gen Electric | Assembly for discharge devices |
| AT151817B (en) * | 1936-03-21 | 1937-12-10 | Ver Gluehlampen & Elec Ag | Electric discharge tube. |
| DE681041C (en) * | 1936-09-01 | 1939-09-13 | Philips Patentverwaltung | High pressure metal vapor discharge tubes |
-
1938
- 1938-04-24 DE DEQ2207D patent/DE754219C/en not_active Expired
-
1939
- 1939-04-20 FR FR853268D patent/FR853268A/en not_active Expired
- 1939-04-22 BE BE433959D patent/BE433959A/xx unknown
- 1939-04-22 NL NL93034A patent/NL55294C/xx active
- 1939-04-22 GB GB1219739A patent/GB528577A/en not_active Expired
- 1939-04-22 CH CH210418D patent/CH210418A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE754219C (en) | 1954-03-15 |
| CH210418A (en) | 1940-07-15 |
| FR853268A (en) | 1940-03-14 |
| NL55294C (en) | 1943-10-15 |
| GB528577A (en) | 1940-11-01 |