NL35601C - - Google Patents
Info
- Publication number
- NL35601C NL35601C NL35601DA NL35601C NL 35601 C NL35601 C NL 35601C NL 35601D A NL35601D A NL 35601DA NL 35601 C NL35601 C NL 35601C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/14—Solid thermionic cathodes characterised by the material
-
- 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 |
|---|---|---|---|
| DE389795X | 1930-06-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL35601C true NL35601C (en:Method) |
Family
ID=6371477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL35601D NL35601C (en:Method) | 1930-06-16 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR718745A (en:Method) |
| GB (1) | GB389795A (en:Method) |
| NL (1) | NL35601C (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE482916A (en:Method) * | 1947-06-05 | |||
| US4044276A (en) * | 1976-04-09 | 1977-08-23 | Gte Sylvania Incorporated | High pressure mercury vapor discharge lamp having improved electrodes |
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0
- NL NL35601D patent/NL35601C/xx active
-
1931
- 1931-06-16 FR FR718745D patent/FR718745A/fr not_active Expired
- 1931-06-16 GB GB17506/31A patent/GB389795A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR718745A (fr) | 1932-01-28 |
| GB389795A (en) | 1933-03-23 |