BE422210A - - Google Patents
Info
- Publication number
- BE422210A BE422210A BE422210DA BE422210A BE 422210 A BE422210 A BE 422210A BE 422210D A BE422210D A BE 422210DA BE 422210 A BE422210 A BE 422210A
- 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
- H01J1/32—Secondary-electron-emitting electrodes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL477262X | 1936-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE422210A true BE422210A (fr) |
Family
ID=19786535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE422210D BE422210A (fr) | 1936-06-23 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE422210A (fr) |
| FR (1) | FR823368A (fr) |
| GB (1) | GB477262A (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE914418C (de) * | 1939-02-19 | 1954-07-01 | Fernseh Gmbh | Entladungsroehre mit einer sekundaeremittierenden Isolieroberflaeche |
| DE874176C (de) * | 1939-03-25 | 1953-04-20 | Sueddeutsche Telefon App | Sekundaerelektronenvervielfacher mit Gluehkathode |
-
0
- BE BE422210D patent/BE422210A/xx unknown
-
1937
- 1937-06-21 GB GB17234/37A patent/GB477262A/en not_active Expired
- 1937-06-22 FR FR823368D patent/FR823368A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB477262A (en) | 1937-12-24 |
| FR823368A (fr) | 1938-01-19 |