BE487890A - - Google Patents
Info
- Publication number
- BE487890A BE487890A BE487890DA BE487890A BE 487890 A BE487890 A BE 487890A BE 487890D A BE487890D A BE 487890DA BE 487890 A BE487890 A BE 487890A
- 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL279459X | 1948-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE487890A true BE487890A (en:Method) |
Family
ID=19782239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE487890D BE487890A (en:Method) | 1948-03-16 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE487890A (en:Method) |
| CH (1) | CH279459A (en:Method) |
| DE (1) | DE813059C (en:Method) |
| FR (1) | FR983148A (en:Method) |
| GB (1) | GB681355A (en:Method) |
| NL (2) | NL139415B (en:Method) |
Families Citing this family (2)
| 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 |
| JPS5611358Y1 (en:Method) * | 1978-08-08 | 1981-03-13 |
-
0
- NL NL72265D patent/NL72265C/xx active
- BE BE487890D patent/BE487890A/xx unknown
- NL NL666617280A patent/NL139415B/xx unknown
-
1949
- 1949-03-11 GB GB6740/49A patent/GB681355A/en not_active Expired
- 1949-03-14 CH CH279459D patent/CH279459A/de unknown
- 1949-03-14 FR FR983148D patent/FR983148A/fr not_active Expired
- 1949-03-15 DE DEP36801D patent/DE813059C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL72265C (en:Method) | |
| CH279459A (de) | 1951-11-30 |
| NL139415B (nl) | |
| GB681355A (en) | 1952-10-22 |
| FR983148A (fr) | 1951-06-19 |
| DE813059C (de) | 1951-09-06 |