FR946964A - Appareil émetteur d'électrons - Google Patents
Appareil émetteur d'électronsInfo
- Publication number
- FR946964A FR946964A FR946964DA FR946964A FR 946964 A FR946964 A FR 946964A FR 946964D A FR946964D A FR 946964DA FR 946964 A FR946964 A FR 946964A
- Authority
- FR
- France
- Prior art keywords
- emitting device
- electron emitting
- electron
- emitting
- 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
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/50—Thermionic-cathode tubes
- H01J17/52—Thermionic-cathode tubes with one cathode and one anode
- H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
- H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US503598A US2381632A (en) | 1943-09-24 | 1943-09-24 | Electron discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR946964A true FR946964A (fr) | 1949-06-20 |
Family
ID=24002757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR946964D Expired FR946964A (fr) | 1943-09-24 | 1947-05-20 | Appareil émetteur d'électrons |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2381632A (enEXAMPLES) |
| FR (1) | FR946964A (enEXAMPLES) |
| GB (1) | GB592266A (enEXAMPLES) |
| NL (1) | NL68025C (enEXAMPLES) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2508992A (en) * | 1948-04-19 | 1950-05-23 | Gen Electric | Electrode assembly for electric discharge devices |
| US2822498A (en) * | 1954-04-19 | 1958-02-04 | Sylvania Electric Prod | Tube construction for automatic production |
| US2814752A (en) * | 1954-04-19 | 1957-11-26 | Sylvania Electric Prod | Planar electron tubes |
| US5550430A (en) * | 1994-05-16 | 1996-08-27 | Litton Systems, Inc. | Gas discharge closing switch with unitary ceramic housing |
| US5994850A (en) * | 1995-09-08 | 1999-11-30 | Eev Limited | Switching arrangements wherein a cylindrical trigger electrode is arranged around a gap between an anode and cathode for establishing a discharge therebetween |
-
0
- NL NL68025D patent/NL68025C/xx active
-
1943
- 1943-09-24 US US503598A patent/US2381632A/en not_active Expired - Lifetime
-
1944
- 1944-08-02 GB GB14779/44A patent/GB592266A/en not_active Expired
-
1947
- 1947-05-20 FR FR946964D patent/FR946964A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2381632A (en) | 1945-08-07 |
| GB592266A (en) | 1947-09-12 |
| NL68025C (enEXAMPLES) |
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