FR984782A - Perfectionnements à la construction des tubes électroniques à atmosphère gazeuse - Google Patents
Perfectionnements à la construction des tubes électroniques à atmosphère gazeuseInfo
- Publication number
- FR984782A FR984782A FR984782DA FR984782A FR 984782 A FR984782 A FR 984782A FR 984782D A FR984782D A FR 984782DA FR 984782 A FR984782 A FR 984782A
- Authority
- FR
- France
- Prior art keywords
- construction
- gas atmosphere
- electronic tubes
- tubes
- electronic
- 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 |
---|---|---|---|
US21876A US2508992A (en) | 1948-04-19 | 1948-04-19 | Electrode assembly for electric discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR984782A true FR984782A (fr) | 1951-07-10 |
Family
ID=21806628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR984782D Expired FR984782A (fr) | 1948-04-19 | 1949-04-15 | Perfectionnements à la construction des tubes électroniques à atmosphère gazeuse |
Country Status (3)
Country | Link |
---|---|
US (1) | US2508992A (fr) |
FR (1) | FR984782A (fr) |
GB (1) | GB672978A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2848728A (en) * | 1955-08-03 | 1958-08-26 | Hoover Ball & Bearing Co | Dishwashing apparatus |
US3161798A (en) * | 1960-11-25 | 1964-12-15 | Sylvania Electric Prod | Electrode shield |
US3190991A (en) * | 1961-05-01 | 1965-06-22 | Jennings Radio Mfg Corp | Shield structure for vacuum switches and the like |
US3190986A (en) * | 1962-11-23 | 1965-06-22 | Jennings Radio Mfg Corp | High power vacuum fuse |
US5550430A (en) * | 1994-05-16 | 1996-08-27 | Litton Systems, Inc. | Gas discharge closing switch with unitary ceramic housing |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE401969A (fr) * | 1933-03-14 | |||
US2044618A (en) * | 1933-12-29 | 1936-06-16 | Gen Electric | Electrostatically controlled arc discharge device |
US2112034A (en) * | 1936-10-22 | 1938-03-22 | Gen Electric | Electrical discharge device |
US2409855A (en) * | 1940-09-07 | 1946-10-22 | Jr Curtis Hillyer | Gaseous discharge tube |
BE476492A (fr) * | 1941-10-30 | |||
NL68025C (fr) * | 1943-09-24 | |||
US2399003A (en) * | 1944-10-16 | 1946-04-23 | Gen Electric | Electric discharge device |
US2443205A (en) * | 1945-05-03 | 1948-06-15 | Raytheon Mfg Co | Gaseous discharge device |
-
1948
- 1948-04-19 US US21876A patent/US2508992A/en not_active Expired - Lifetime
-
1949
- 1949-04-15 FR FR984782D patent/FR984782A/fr not_active Expired
- 1949-04-19 GB GB10353/49A patent/GB672978A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB672978A (en) | 1952-05-28 |
US2508992A (en) | 1950-05-23 |
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