BE490509A - - Google Patents
Info
- Publication number
- BE490509A BE490509A BE490509DA BE490509A BE 490509 A BE490509 A BE 490509A BE 490509D A BE490509D A BE 490509DA BE 490509 A BE490509 A BE 490509A
- 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
- H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
- H01J61/545—Igniting arrangements, e.g. promoting ionisation for starting using an auxiliary electrode inside the vessel
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL283643X | 1948-08-05 | ||
| CH279459T | 1949-08-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490509A true BE490509A (US07696358-20100413-C00002.png) |
Family
ID=25731921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE490509D BE490509A (US07696358-20100413-C00002.png) | 1948-08-05 |
Country Status (6)
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE928188C (de) * | 1951-10-13 | 1955-05-26 | Philips Nv | Verfahren zur Herstellung eines ringfoermigen Entladungsgefaesses und nach diesem Verfahren hergestellte ringfoermige Entladungslampe |
| BE516891A (US07696358-20100413-C00002.png) * | 1952-01-15 | |||
| DE1008406B (de) * | 1953-03-20 | 1957-05-16 | Patra Patent Treuhand | Roehrenfoermige elektrische Entladungslampe |
| US2791727A (en) * | 1953-12-30 | 1957-05-07 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Electric discharge lamp |
| DE1028685B (de) * | 1956-08-01 | 1958-04-24 | Patra Patent Treuhand | Elektrische Entladungslampe mit Innenzuendstrich, insbesondere Leuchtstofflampe |
| US2938137A (en) * | 1956-10-22 | 1960-05-24 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Electric discharge lamp with connected starting strip |
| US3382406A (en) * | 1965-10-11 | 1968-05-07 | Edward L. Schiavone | Fluorescent light starting and operating circuit with heater and light sensitive cut-out therefor |
| US4316122A (en) * | 1979-10-03 | 1982-02-16 | Matsushita Electronics Corporation | High pressure sodium vapor discharge lamp |
| US5646483A (en) * | 1995-05-30 | 1997-07-08 | Matsushita Electronics Corporation | Discharge lamp having cesium compound |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB404448A (en) * | 1931-12-24 | 1934-01-18 | Gen Electric Co Ltd | Improvements in luminous electric discharge tubes |
| US2020737A (en) * | 1932-12-24 | 1935-11-12 | Gen Electric | Gaseous electric discharge arc lamp |
| US2114535A (en) * | 1933-10-24 | 1938-04-19 | Kirsten Lighting Corp | Gas arc lamp |
| DE636027C (de) * | 1935-06-06 | 1936-09-30 | Patra Patent Treuhand | Elektrische Leuchtroehre mit an den Enden angebrachten Elektroden, insbesondere Gluehelektroden, und im Roehreninnern untergebrachten Drahtwendel |
| US2156068A (en) * | 1937-07-29 | 1939-04-25 | Gen Electric | Gaseous electric discharge lamp |
| US2462336A (en) * | 1945-05-18 | 1949-02-22 | Gen Electric | Electric discharge device and method of operation |
| US2491854A (en) * | 1946-04-06 | 1949-12-20 | Gen Electric | Starting strip for electric discharge devices |
-
0
- BE BE490509D patent/BE490509A/xx unknown
-
1949
- 1949-04-27 US US89982A patent/US2663823A/en not_active Expired - Lifetime
- 1949-08-02 GB GB20107/49A patent/GB684680A/en not_active Expired
- 1949-08-03 FR FR59453D patent/FR59453E/fr not_active Expired
- 1949-08-03 CH CH283643D patent/CH283643A/de unknown
- 1949-08-03 DE DEP50875A patent/DE826773C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE826773C (de) | 1952-01-03 |
| CH283643A (de) | 1952-06-15 |
| GB684680A (en) | 1952-12-24 |
| FR59453E (fr) | 1954-05-25 |
| US2663823A (en) | 1953-12-22 |
