FR848451A - Secondary electron tube - Google Patents
Secondary electron tubeInfo
- Publication number
- FR848451A FR848451A FR848451DA FR848451A FR 848451 A FR848451 A FR 848451A FR 848451D A FR848451D A FR 848451DA FR 848451 A FR848451 A FR 848451A
- Authority
- FR
- France
- Prior art keywords
- secondary electron
- electron tube
- tube
- electron
- Prior art date
- 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
- 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 |
---|---|---|---|
DE848451X | 1938-01-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR848451A true FR848451A (en) | 1939-10-31 |
Family
ID=3869541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR848451D Expired FR848451A (en) | 1938-01-27 | 1939-01-04 | Secondary electron tube |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE432128A (en) |
FR (1) | FR848451A (en) |
NL (1) | NL51237C (en) |
-
1938
- 1938-12-27 NL NL91249A patent/NL51237C/xx active
-
1939
- 1939-01-04 FR FR848451D patent/FR848451A/en not_active Expired
- 1939-01-13 BE BE432128D patent/BE432128A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
BE432128A (en) | 1939-02-28 |
NL51237C (en) | 1941-10-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR867602A (en) | Vacuum tubes | |
FR855943A (en) | Improvements made to electric discharge tubes | |
FR51069E (en) | Cathode ray tube | |
CH220849A (en) | Cathode ray tube. | |
FR861743A (en) | Thermionic tube amplifiers | |
FR881865A (en) | Cathode ray tubes | |
FR859226A (en) | Cathode luminescence tube | |
FR848451A (en) | Secondary electron tube | |
FR858466A (en) | Secondary electron tube | |
FR866071A (en) | Secondary electron tube | |
CH214273A (en) | Electrostatic secondary electron multiplier. | |
FR836986A (en) | Secondary electron tube | |
FR51918E (en) | Improvements to discharge tubes | |
FR50779E (en) | Secondary electron tube | |
FR849696A (en) | Cathode ray tube | |
FR876870A (en) | Cathode ray tubes | |
FR939450A (en) | Cooling electron tubes | |
FR835607A (en) | Discharge tube | |
FR820468A (en) | Secondary electron tube | |
FR826429A (en) | Secondary electron tube | |
FR846577A (en) | Secondary electron tube | |
FR858667A (en) | Cathode ray tube | |
FR852078A (en) | Electric discharge tubes | |
FR878777A (en) | Electron tube | |
FR848550A (en) | Electric discharge tube |