FR2491256B1 - - Google Patents
Info
- Publication number
- FR2491256B1 FR2491256B1 FR8020714A FR8020714A FR2491256B1 FR 2491256 B1 FR2491256 B1 FR 2491256B1 FR 8020714 A FR8020714 A FR 8020714A FR 8020714 A FR8020714 A FR 8020714A FR 2491256 B1 FR2491256 B1 FR 2491256B1
- 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
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8020714A FR2491256A1 (fr) | 1980-09-26 | 1980-09-26 | Accelerateur d'electrons et generateur d'ondes millimetriques et infra-millimetriques comportant un tel accelerateur |
DE8181401482T DE3167219D1 (en) | 1980-09-26 | 1981-09-24 | Electrons accelerator, and millimeter and infra-millimeter waves generator including the same |
EP81401482A EP0049198B1 (fr) | 1980-09-26 | 1981-09-24 | Accélérateur d'électrons et générateur d'ondes millimétriques et infra-millimétriques comportant un tel accélérateur |
JP56152828A JPS5789282A (en) | 1980-09-26 | 1981-09-25 | Electron accelerator and millimeter and submillimeter wave generator with same accelerator |
US06/604,818 US4571524A (en) | 1980-09-26 | 1984-04-27 | Electron accelerator and a millimeter-wave and submillimeter-wave generator equipped with said accelerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8020714A FR2491256A1 (fr) | 1980-09-26 | 1980-09-26 | Accelerateur d'electrons et generateur d'ondes millimetriques et infra-millimetriques comportant un tel accelerateur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2491256A1 FR2491256A1 (fr) | 1982-04-02 |
FR2491256B1 true FR2491256B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1983-04-15 |
Family
ID=9246330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8020714A Granted FR2491256A1 (fr) | 1980-09-26 | 1980-09-26 | Accelerateur d'electrons et generateur d'ondes millimetriques et infra-millimetriques comportant un tel accelerateur |
Country Status (5)
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4754196A (en) * | 1986-12-10 | 1988-06-28 | The United States Of America As Represented By The Secretary Of The Navy | Axial injection orbitron |
FR2625836B1 (fr) * | 1988-01-13 | 1996-01-26 | Thomson Csf | Collecteur d'electrons pour tube electronique |
JP2893457B2 (ja) * | 1989-07-11 | 1999-05-24 | 栄胤 池上 | 高輝度電子ビーム発生方法 |
FR2672730B1 (fr) * | 1991-02-12 | 1993-04-23 | Thomson Tubes Electroniques | Dispositif convertisseur de modes et diviseur de puissance pour tube hyperfrequence et tube hyperfrequence comprenant un tel dispositif. |
US5280490A (en) * | 1991-11-22 | 1994-01-18 | Massachusetts Institute Of Technology | Reverse guide field free electron laser |
WO2001076021A2 (en) * | 2000-03-31 | 2001-10-11 | University Of Maryland, Baltimore | Helical electron beam generating device and method of use |
US8018158B2 (en) * | 2007-04-20 | 2011-09-13 | L-3 Communications Corporation | Method and apparatus for interaction with a modulated off-axis electron beam |
US10903035B2 (en) * | 2018-03-12 | 2021-01-26 | Wisconsin Alumni Research Foundation | High-frequency vacuum electronic device |
US11201028B2 (en) | 2019-10-01 | 2021-12-14 | Wisconsin Alumni Research Foundation | Traveling wave tube amplifier having a helical slow-wave structure supported by a cylindrical scaffold |
US11588456B2 (en) | 2020-05-25 | 2023-02-21 | Wisconsin Alumni Research Foundation | Electroplated helical slow-wave structures for high-frequency signals |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1369416A (fr) * | 1963-06-12 | 1964-08-14 | Csf | Perfectionnements aux lignes à retard électroniques |
US3474283A (en) * | 1967-03-22 | 1969-10-21 | Us Navy | Cyclotron wave upconverter |
US3463959A (en) * | 1967-05-25 | 1969-08-26 | Varian Associates | Charged particle accelerator apparatus including means for converting a rotating helical beam of charged particles having axial motion into a nonrotating beam of charged particles |
US3398376A (en) * | 1967-12-11 | 1968-08-20 | Jay L. Hirshfield | Relativistic electron cyclotron maser |
US3887832A (en) * | 1973-06-25 | 1975-06-03 | Aralco | Auto-resonant acceleration of ions |
US4143299A (en) * | 1976-09-16 | 1979-03-06 | The United States Of America As Represented By The Secretary Of The Navy | Charged-particle beam acceleration in a converging waveguide |
FR2401508A1 (fr) * | 1977-06-27 | 1979-03-23 | Commissariat Energie Atomique | Injecteur d'electrons pour generateur hyperfrequence |
US4224576A (en) * | 1978-09-19 | 1980-09-23 | The United States Of America As Represented By The Secretary Of The Navy | Gyrotron travelling-wave amplifier |
FR2445611A1 (fr) * | 1978-12-29 | 1980-07-25 | Thomson Csf | Generateur d'ondes radioelectriques pour hyperfrequence |
US4395656A (en) * | 1980-12-24 | 1983-07-26 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Gyrotron transmitting tube |
-
1980
- 1980-09-26 FR FR8020714A patent/FR2491256A1/fr active Granted
-
1981
- 1981-09-24 EP EP81401482A patent/EP0049198B1/fr not_active Expired
- 1981-09-24 DE DE8181401482T patent/DE3167219D1/de not_active Expired
- 1981-09-25 JP JP56152828A patent/JPS5789282A/ja active Granted
-
1984
- 1984-04-27 US US06/604,818 patent/US4571524A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0320880B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-03-20 |
US4571524A (en) | 1986-02-18 |
DE3167219D1 (en) | 1984-12-20 |
FR2491256A1 (fr) | 1982-04-02 |
EP0049198B1 (fr) | 1984-11-14 |
JPS5789282A (en) | 1982-06-03 |
EP0049198A1 (fr) | 1982-04-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |