BE422206A - - Google Patents
Info
- Publication number
- BE422206A BE422206A BE422206A BE422206A BE422206A BE 422206 A BE422206 A BE 422206A BE 422206 A BE422206 A BE 422206A BE 422206 A BE422206 A BE 422206A BE 422206 A BE422206 A BE 422206A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL78256A NL51881C (nl) | 1936-06-22 | 1936-06-22 | Electronenbuis, voorzien van een secundaire-emissie-electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE422206A true BE422206A (en:Method) | 1937-07-31 |
Family
ID=19786677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE422206A BE422206A (en:Method) | 1936-06-22 | 1937-06-21 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE422206A (en:Method) |
| FR (1) | FR823346A (en:Method) |
| GB (2) | GB497589A (en:Method) |
| NL (1) | NL51881C (en:Method) |
| SE (1) | SE102953C1 (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE757225C (de) * | 1938-08-30 | 1952-11-17 | Lorenz C Ag | Sekundaerelektronenvervielfacher mit mehreren hintereinander angeordneten und konzentrisch zur als Gluehkathode ausgebildeten Primaerelektronenquelle liegenden Prallelektroden |
| DE874176C (de) * | 1939-03-25 | 1953-04-20 | Sueddeutsche Telefon App | Sekundaerelektronenvervielfacher mit Gluehkathode |
| BE864567A (fr) * | 1977-04-25 | 1978-07-03 | Chevron Res | Procede d'hydrogenation d'esters en acools |
-
1936
- 1936-06-22 NL NL78256A patent/NL51881C/xx active
-
1937
- 1937-06-19 SE SE302937A patent/SE102953C1/xx unknown
- 1937-06-19 GB GB1715137A patent/GB497589A/en not_active Expired
- 1937-06-19 GB GB10819/38A patent/GB490652A/en not_active Expired
- 1937-06-21 BE BE422206A patent/BE422206A/xx unknown
- 1937-06-21 FR FR823346D patent/FR823346A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR823346A (fr) | 1938-01-18 |
| SE102953C1 (sv) | 1941-11-04 |
| GB497589A (en) | 1938-12-19 |
| GB490652A (en) | 1938-08-18 |
| NL51881C (nl) | 1942-02-16 |