FR868395A - Electric discharge tube - Google Patents
Electric discharge tubeInfo
- Publication number
- FR868395A FR868395A FR868395DA FR868395A FR 868395 A FR868395 A FR 868395A FR 868395D A FR868395D A FR 868395DA FR 868395 A FR868395 A FR 868395A
- Authority
- FR
- France
- Prior art keywords
- electric discharge
- discharge tube
- tube
- electric
- discharge
- 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
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL217330X | 1939-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR868395A true FR868395A (en) | 1941-12-29 |
Family
ID=19779131
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR868395D Expired FR868395A (en) | 1939-06-06 | 1940-12-26 | Electric discharge tube |
Country Status (7)
Country | Link |
---|---|
US (1) | US2340631A (en) |
BE (1) | BE440174A (en) |
CH (1) | CH217330A (en) |
DE (1) | DE1074764B (en) |
FR (1) | FR868395A (en) |
GB (2) | GB544225A (en) |
NL (1) | NL52549C (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE477662A (en) * | 1939-07-28 | |||
BE450216A (en) * | 1942-04-17 | |||
US2674661A (en) * | 1948-08-12 | 1954-04-06 | Rca Corp | Electron multiplier device |
US2909702A (en) * | 1948-10-01 | 1959-10-20 | Siemens Ag | Discharge vessel cooled by radiation |
US2675431A (en) * | 1949-08-18 | 1954-04-13 | Nat Union Radio Corp | Transit time compensated multiplier tube |
-
0
- NL NL52549D patent/NL52549C/xx active
- DE DENDAT1074764D patent/DE1074764B/en active Pending
- BE BE440174D patent/BE440174A/xx unknown
-
1940
- 1940-06-03 GB GB9704/40A patent/GB544225A/en not_active Expired
- 1940-12-26 FR FR868395D patent/FR868395A/en not_active Expired
- 1940-12-31 CH CH217330D patent/CH217330A/en unknown
-
1941
- 1941-08-21 US US407735A patent/US2340631A/en not_active Expired - Lifetime
-
1947
- 1947-12-31 GB GB35179/47A patent/GB629881A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE440174A (en) | |
CH217330A (en) | 1941-10-15 |
GB544225A (en) | 1942-04-02 |
DE1074764B (en) | 1960-02-04 |
NL52549C (en) | |
GB629881A (en) | 1949-09-29 |
US2340631A (en) | 1944-02-01 |
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