BE394417A - - Google Patents
Info
- Publication number
- BE394417A BE394417A BE394417DA BE394417A BE 394417 A BE394417 A BE 394417A BE 394417D A BE394417D A BE 394417DA BE 394417 A BE394417 A BE 394417A
- Authority
- BE
- Belgium
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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4585/32A GB397132A (en) | 1932-02-16 | 1932-02-16 | Improvements in oxide coated thermionic cathodes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE394417A true BE394417A (en:Method) |
Family
ID=9779939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE394417D BE394417A (en:Method) | 1932-02-16 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE394417A (en:Method) |
| FR (1) | FR750898A (en:Method) |
| GB (1) | GB397132A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE889812C (de) * | 1941-03-14 | 1953-09-14 | Telefunken Gmbh | Gluehkathode fuer elektrische Entladungsroehren |
-
0
- BE BE394417D patent/BE394417A/xx unknown
-
1932
- 1932-02-16 GB GB4585/32A patent/GB397132A/en not_active Expired
-
1933
- 1933-02-16 FR FR750898D patent/FR750898A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR750898A (fr) | 1933-08-21 |
| GB397132A (en) | 1933-08-16 |