FR959389A - - Google Patents
Info
- Publication number
- FR959389A FR959389A FR959389DA FR959389A FR 959389 A FR959389 A FR 959389A FR 959389D A FR959389D A FR 959389DA FR 959389 A FR959389 A FR 959389A
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/76—Dynamic electron-multiplier tubes, e.g. Farnsworth multiplier tube, multipactor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2623189X | 1947-01-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR959389A true FR959389A (no) | 1950-03-29 |
Family
ID=19875113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR959389D Expired FR959389A (no) | 1947-01-08 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2623189A (no) |
| BE (1) | BE479372A (no) |
| DE (1) | DE814489C (no) |
| FR (1) | FR959389A (no) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2891183A (en) * | 1954-12-17 | 1959-06-16 | Philco Corp | Precision dual-beam cathode-ray tube |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2104100A (en) * | 1936-05-29 | 1938-01-04 | Rca Corp | Superheterodyne converter network |
| US2218744A (en) * | 1936-09-07 | 1940-10-22 | Fernseh Aktien Ges | Electron multiplier |
| US2266639A (en) * | 1938-01-28 | 1941-12-16 | Telefunken Gmbh | Concentration-controlled secondary emission tube |
| US2416302A (en) * | 1941-01-07 | 1947-02-25 | Bell Telephone Labor Inc | Electronic apparatus |
| US2357922A (en) * | 1941-12-06 | 1944-09-12 | Electronbeam Ltd | Electronic translating device |
| US2372450A (en) * | 1942-03-28 | 1945-03-27 | Rca Corp | Electron optical instrument |
-
0
- FR FR959389D patent/FR959389A/fr not_active Expired
- BE BE479372D patent/BE479372A/xx unknown
-
1947
- 1947-12-20 US US793038A patent/US2623189A/en not_active Expired - Lifetime
-
1948
- 1948-11-05 DE DEP20753A patent/DE814489C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE814489C (de) | 1951-09-24 |
| US2623189A (en) | 1952-12-23 |
| BE479372A (no) |