NL134601C - - Google Patents
Info
- Publication number
- NL134601C NL134601C NL134601DA NL134601C NL 134601 C NL134601 C NL 134601C NL 134601D A NL134601D A NL 134601DA NL 134601 C NL134601 C NL 134601C
- 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
-
- 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
- H01J61/067—Main electrodes for low-pressure discharge lamps
- H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
- H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL260532 | 1961-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL134601C true NL134601C (en:Method) |
Family
ID=19752836
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL260532D NL260532A (en:Method) | 1961-01-26 | ||
| NL134601D NL134601C (en:Method) | 1961-01-26 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL260532D NL260532A (en:Method) | 1961-01-26 |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE1183172B (en:Method) |
| ES (1) | ES274010A1 (en:Method) |
| FR (1) | FR1312393A (en:Method) |
| GB (1) | GB923540A (en:Method) |
| NL (2) | NL134601C (en:Method) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE545715C (de) * | 1929-12-23 | 1932-03-04 | Electricitaets Act Ges | Verfahren zur Herstellung von Oxydkathoden |
| NL32433C (en:Method) * | 1929-12-23 | |||
| GB714429A (en) * | 1951-07-16 | 1954-08-25 | Gen Electric Co Ltd | Improvements in or relating to thermionic cathodes |
| DE1057231B (de) * | 1956-03-03 | 1959-05-14 | Patra Patent Treuhand | Aktivierte Gluehelektrode fuer elektrische Entladungslampen |
-
0
- NL NL260532D patent/NL260532A/xx unknown
- NL NL134601D patent/NL134601C/xx active
-
1962
- 1962-01-23 DE DE1962N0021107 patent/DE1183172B/de active Pending
- 1962-01-23 GB GB242362A patent/GB923540A/en not_active Expired
- 1962-01-24 ES ES0274010A patent/ES274010A1/es not_active Expired
- 1962-01-26 FR FR885979A patent/FR1312393A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1183172B (de) | 1964-12-10 |
| FR1312393A (fr) | 1962-12-14 |
| GB923540A (en) | 1963-04-10 |
| NL260532A (en:Method) | |
| ES274010A1 (es) | 1962-03-16 |