BE542850A - - Google Patents
Info
- Publication number
- BE542850A BE542850A BE542850DA BE542850A BE 542850 A BE542850 A BE 542850A BE 542850D A BE542850D A BE 542850DA BE 542850 A BE542850 A BE 542850A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H01J23/06—Electron or ion guns
- H01J23/065—Electron or ion guns producing a solid cylindrical beam
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/005—Gas-filled transit-time tubes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US471673A US2947905A (en) | 1954-11-29 | 1954-11-29 | Low noise velocity modulation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE542850A true BE542850A (en:Method) |
Family
ID=23872572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE542850D BE542850A (en:Method) | 1954-11-29 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2947905A (en:Method) |
| BE (1) | BE542850A (en:Method) |
| DE (1) | DE1071851B (en:Method) |
| FR (1) | FR1134058A (en:Method) |
| GB (1) | GB806890A (en:Method) |
| NL (1) | NL198433A (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL105096C (en:Method) * | 1954-08-05 | |||
| US3215890A (en) * | 1961-05-22 | 1965-11-02 | Zenith Radio Corp | Electron gun structure for producing an electron beam free of radial velocity components wherein the length of the first non-magnetic cylinder is approximately equal to an integral number of wave lengths of the scallop frequency |
| US3377492A (en) * | 1965-08-03 | 1968-04-09 | Hughes Aircraft Co | Flood gun for storage tubes having a dome-shaped cathode and dome-shaped grid electrodes |
| US3448313A (en) * | 1966-10-10 | 1969-06-03 | Varian Associates | Efficient radiation cooled beam collector for linear beam devices |
| US4321505A (en) * | 1978-07-24 | 1982-03-23 | Varian Associates, Inc. | Zero-bias gridded gun |
| US5233269A (en) * | 1990-04-13 | 1993-08-03 | Varian Associates, Inc. | Vacuum tube with an electron beam that is current and velocity-modulated |
| JP3996442B2 (ja) * | 2002-05-27 | 2007-10-24 | Ｎｅｃマイクロ波管株式会社 | 電子銃 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE468391A (en:Method) * | 1941-03-11 | |||
| US2455269A (en) * | 1942-11-17 | 1948-11-30 | Bell Telephone Labor Inc | Velocity variation apparatus |
| US2484643A (en) * | 1945-03-06 | 1949-10-11 | Bell Telephone Labor Inc | High-frequency electronic device |
| US2494721A (en) * | 1947-06-18 | 1950-01-17 | Bell Telephone Labor Inc | Electron velocity variation device with noise reducing resonator |
| FR972679A (fr) * | 1948-09-01 | 1951-02-01 | Csf | Système amplificateur à faible bruit pour ondes ultra courtes |
| US2595698A (en) * | 1949-05-10 | 1952-05-06 | Rca Corp | Electron discharge device and associated circuit |
| US2720610A (en) * | 1950-07-27 | 1955-10-11 | Kazan Benjamin | Noise reducing travelling-wave tube |
| BE507937A (en:Method) * | 1950-12-01 | |||
| US2641733A (en) * | 1951-01-08 | 1953-06-09 | Collins Radio Co | High-frequency tube |
| BE511284A (en:Method) * | 1951-05-11 | |||
| US2800602A (en) * | 1951-06-05 | 1957-07-23 | Univ Leland Stanford Junior | Low noise electron discharge tubes |
| US2800603A (en) * | 1952-04-08 | 1957-07-23 | Itt | Traveling wave electron discharge devices |
| US2767259A (en) * | 1952-10-01 | 1956-10-16 | Rca Corp | Noise compensation in electron beam devices |
| US2832001A (en) * | 1954-08-27 | 1958-04-22 | Zenith Radio Corp | Electron discharge systems |
-
0
- NL NL198433D patent/NL198433A/xx unknown
- DE DENDAT1071851D patent/DE1071851B/de active Pending
- BE BE542850D patent/BE542850A/xx unknown
-
1954
- 1954-11-29 US US471673A patent/US2947905A/en not_active Expired - Lifetime
-
1955
- 1955-07-06 FR FR1134058D patent/FR1134058A/fr not_active Expired
- 1955-11-18 GB GB33079/55A patent/GB806890A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2947905A (en) | 1960-08-02 |
| NL198433A (en:Method) | |
| GB806890A (en) | 1959-01-07 |
| DE1071851B (en:Method) | |
| FR1134058A (fr) | 1957-04-05 |