FR957927A - - Google Patents
Info
- Publication number
- FR957927A FR957927A FR957927DA FR957927A FR 957927 A FR957927 A FR 957927A FR 957927D A FR957927D A FR 957927DA FR 957927 A FR957927 A FR 957927A
- 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
- 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 |
---|---|---|---|
US726608A US2516675A (en) | 1947-02-05 | 1947-02-05 | Electrode structure for gas discharge devices |
Publications (1)
Publication Number | Publication Date |
---|---|
FR957927A true FR957927A (fr) | 1950-02-28 |
Family
ID=24919287
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR957927D Expired FR957927A (fr) | 1947-02-05 |
Country Status (4)
Country | Link |
---|---|
US (1) | US2516675A (fr) |
BE (1) | BE480117A (fr) |
FR (1) | FR957927A (fr) |
GB (1) | GB652742A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2813217A (en) * | 1952-03-18 | 1957-11-12 | Rca Corp | Electrode arrangement for gas tubes |
US2770751A (en) * | 1953-02-27 | 1956-11-13 | Rca Corp | Construction of gas-filled tubes, particularly shielding |
US2853652A (en) * | 1953-10-12 | 1958-09-23 | Gen Electric | Light responsive system |
US2797364A (en) * | 1954-01-26 | 1957-06-25 | Niles Breger | Apparatus for dimming automobile head lights |
US2777966A (en) * | 1954-03-08 | 1957-01-15 | Rca Corp | Gas discharge devices |
US3084282A (en) * | 1961-01-03 | 1963-04-02 | Space Technology Lab Inc | Trigger circuit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1794315A (en) * | 1924-10-09 | 1931-02-24 | Gen Electric | Electron-discharge apparatus |
US2040883A (en) * | 1935-05-29 | 1936-05-19 | Solomon Guillermo | Electronic tube |
US2160086A (en) * | 1936-12-05 | 1939-05-30 | Bell Telephone Labor Inc | Electron discharge device |
US2203639A (en) * | 1939-08-26 | 1940-06-04 | Electrons Inc | Vacuum tube construction |
US2431237A (en) * | 1945-10-19 | 1947-11-18 | Westinghouse Electric Corp | Control circuit |
-
0
- FR FR957927D patent/FR957927A/fr not_active Expired
- BE BE480117D patent/BE480117A/xx unknown
-
1947
- 1947-02-05 US US726608A patent/US2516675A/en not_active Expired - Lifetime
- 1947-12-05 GB GB32176/47A patent/GB652742A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE480117A (fr) | |
US2516675A (en) | 1950-07-25 |
GB652742A (en) | 1951-05-02 |