FR1137686A - Electronic discharge device - Google Patents
Electronic discharge deviceInfo
- Publication number
- FR1137686A FR1137686A FR1137686DA FR1137686A FR 1137686 A FR1137686 A FR 1137686A FR 1137686D A FR1137686D A FR 1137686DA FR 1137686 A FR1137686 A FR 1137686A
- Authority
- FR
- France
- Prior art keywords
- discharge device
- electronic discharge
- electronic
- 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
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
- H01J25/40—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field the backward travelling wave being utilised
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/083—Electrostatic focusing arrangements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US437461A US2834909A (en) | 1954-06-17 | 1954-06-17 | Traveling wave electron discharge device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1137686A true FR1137686A (en) | 1957-06-03 |
Family
ID=23736550
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1137686D Expired FR1137686A (en) | 1954-06-17 | 1955-10-21 | Electronic discharge device |
Country Status (3)
Country | Link |
---|---|
US (1) | US2834909A (en) |
FR (1) | FR1137686A (en) |
GB (1) | GB804437A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2916658A (en) * | 1955-07-22 | 1959-12-08 | Univ California | Backward wave tube |
US2939994A (en) * | 1957-01-28 | 1960-06-07 | Westinghouse Electric Corp | Electron discharge device |
BE565904A (en) * | 1957-03-11 | |||
US3211947A (en) * | 1962-05-14 | 1965-10-12 | Bloom Stanley | Noise reduction of traveling-wave tubes by circuit refrigeration |
US3239713A (en) * | 1963-03-25 | 1966-03-08 | Microwave Ass | High frequency mode transformation between balanced transmission line and waveguide, useful in travelling wave tubes |
US3432716A (en) * | 1964-02-13 | 1969-03-11 | Hitachi Ltd | Microwave transducer and electron device with microwave transducer |
US3639860A (en) * | 1970-07-31 | 1972-02-01 | Kabel Metallwerke Ghh | Delay line |
JP3996442B2 (en) * | 2002-05-27 | 2007-10-24 | Necマイクロ波管株式会社 | Electron gun |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE491242A (en) * | 1948-12-10 | |||
FR993156A (en) * | 1949-06-08 | 1951-10-29 | Thomson Houston Comp Francaise | Structure ensuring a reduction in the propagation speed of an electromagnetic wave |
US2725499A (en) * | 1949-06-21 | 1955-11-29 | Bell Telephone Labor Inc | High frequency amplifying device |
FR1077050A (en) * | 1953-03-18 | 1954-11-03 | Csf | Improvements to porgessive wave tubes with crossed electric and magnetic fields, modulated by pulses |
-
1954
- 1954-06-17 US US437461A patent/US2834909A/en not_active Expired - Lifetime
-
1955
- 1955-05-12 GB GB13803/55A patent/GB804437A/en not_active Expired
- 1955-10-21 FR FR1137686D patent/FR1137686A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB804437A (en) | 1958-11-12 |
US2834909A (en) | 1958-05-13 |
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