NL76656C - - Google Patents
Info
- Publication number
- NL76656C NL76656C NL76656DA NL76656C NL 76656 C NL76656 C NL 76656C NL 76656D A NL76656D A NL 76656DA NL 76656 C NL76656 C NL 76656C
- 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
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/16—Cathodes heated directly by an electric current characterised by the shape
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1217749A GB666175A (en) | 1949-05-06 | 1949-05-06 | Improvements in or relating to directly heated cathodes for thermionic valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL76656C true NL76656C (en]) |
Family
ID=9999753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL76656D NL76656C (en]) | 1949-05-06 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR1017164A (en]) |
| GB (1) | GB666175A (en]) |
| NL (1) | NL76656C (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1490577A (fr) * | 1966-05-18 | 1967-08-04 | Thomson Houston Comp Francaise | Perfectionnements aux cathodes à chauffage direct en forme de cage |
-
0
- NL NL76656D patent/NL76656C/xx active
-
1949
- 1949-05-06 GB GB1217749A patent/GB666175A/en not_active Expired
-
1950
- 1950-05-06 FR FR1017164D patent/FR1017164A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1017164A (fr) | 1952-12-03 |
| GB666175A (en) | 1952-02-06 |