NL50279C - - Google Patents
Info
- Publication number
- NL50279C NL50279C NL83967A NL83967A NL50279C NL 50279 C NL50279 C NL 50279C NL 83967 A NL83967 A NL 83967A NL 83967 A NL83967 A NL 83967A NL 50279 C NL50279 C NL 50279C
- Authority
- NL
- Netherlands
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEN39815D DE681041C (de) | 1936-09-01 | 1936-09-01 | Hochdruckmetalldampfentladungsroehre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL50279C true NL50279C (en:Method) | 1941-05-15 |
Family
ID=6542346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL83967A NL50279C (en:Method) | 1936-09-01 | 1937-08-30 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2135701A (en:Method) |
| DE (1) | DE681041C (en:Method) |
| FR (1) | FR826103A (en:Method) |
| GB (1) | GB479011A (en:Method) |
| NL (1) | NL50279C (en:Method) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE754219C (de) * | 1938-04-24 | 1954-03-15 | Quarzlampen G M B H | Metalldampfhochdrucklampe, insbesondere Quecksilberhochdrucklampe, mit festen, nichtaktivierten Aufheizelektroden |
| DE968579C (de) * | 1941-09-02 | 1958-03-06 | Felix Mueller Dr Ing | Elektrische Hochdruck-Entladungsroehre fuer Beleuchtungs- und Strahlungszwecke |
| US3369143A (en) * | 1967-02-28 | 1968-02-13 | Westinghouse Electric Corp | Instant-start fluorescent lamp having mixed fill gas and improved electrode structure |
| DE19515592A1 (de) * | 1995-05-02 | 1996-11-07 | Walter Holzer | Gasentladungslampe mit Schonstart |
| DE19516049A1 (de) * | 1995-05-04 | 1996-11-07 | Walter Holzer | Zünd- und Stromversorgungsschaltung für Gasentladungslampen |
| WO2004068532A2 (en) * | 2003-01-30 | 2004-08-12 | Koninklijke Philips Electronics N.V. | Fluorescent lamp with a second ballast for dimmed lighting mode |
-
1936
- 1936-09-01 DE DEN39815D patent/DE681041C/de not_active Expired
-
1937
- 1937-08-16 US US159430A patent/US2135701A/en not_active Expired - Lifetime
- 1937-08-28 GB GB23626/37A patent/GB479011A/en not_active Expired
- 1937-08-30 FR FR826103D patent/FR826103A/fr not_active Expired
- 1937-08-30 NL NL83967A patent/NL50279C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| DE681041C (de) | 1939-09-13 |
| GB479011A (en) | 1938-01-28 |
| FR826103A (fr) | 1938-03-23 |
| US2135701A (en) | 1938-11-08 |