DE1071237B - - Google Patents
Info
- Publication number
 - DE1071237B DE1071237B DENDAT1071237D DE1071237DA DE1071237B DE 1071237 B DE1071237 B DE 1071237B DE NDAT1071237 D DENDAT1071237 D DE NDAT1071237D DE 1071237D A DE1071237D A DE 1071237DA DE 1071237 B DE1071237 B DE 1071237B
 - Authority
 - DE
 - Germany
 - 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.)
 - Pending
 
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
 - H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
 - H01J23/087—Magnetic focusing arrangements
 - H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
 
 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| US351984A US2841739A (en) | 1953-04-29 | 1953-04-29 | Electron beam systems | 
Publications (1)
| Publication Number | Publication Date | 
|---|---|
| DE1071237B true DE1071237B (pm) | 
Family
ID=23383280
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DENDAT1071237D Pending DE1071237B (pm) | 1953-04-29 | ||
| DEW25876A Pending DE1127498B (de) | 1953-04-29 | 1954-03-29 | Fokussierungseinrichtung zur gebuendelten Fuehrung des Elektronenhohlstrahls einer langgestreckten Laufzeitroehre, insbesondere Wanderfeldroehre | 
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DEW25876A Pending DE1127498B (de) | 1953-04-29 | 1954-03-29 | Fokussierungseinrichtung zur gebuendelten Fuehrung des Elektronenhohlstrahls einer langgestreckten Laufzeitroehre, insbesondere Wanderfeldroehre | 
Country Status (7)
| Country | Link | 
|---|---|
| US (2) | US2841739A (pm) | 
| BE (1) | BE528454A (pm) | 
| CH (1) | CH342662A (pm) | 
| DE (2) | DE1127498B (pm) | 
| FR (1) | FR1099234A (pm) | 
| GB (1) | GB757369A (pm) | 
| NL (1) | NL95352C (pm) | 
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE1298197B (de) * | 1961-05-02 | 1969-06-26 | Siemens Ag | Permanentmagnetsystem zur gebuendelten Fuehrung des Elektronenstrahls einer Lauffeldroehre | 
| DE4315940A1 (de) * | 1992-05-13 | 1993-12-02 | Litton Systems Inc | Periodisches Fokussiersystem mit Permanentmagneten in X-Z-Geometrie | 
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| US2925508A (en) * | 1955-07-28 | 1960-02-16 | Sperry Rand Corp | Electron beam focusing structure | 
| NL99653C (pm) * | 1956-03-01 | |||
| US2945153A (en) * | 1956-08-31 | 1960-07-12 | Rca Corp | Electron beam tube | 
| US2991391A (en) * | 1957-07-24 | 1961-07-04 | Varian Associates | Electron beam discharge apparatus | 
| US2966609A (en) * | 1957-11-22 | 1960-12-27 | Gen Electric | Magnetic structures for high frequency energy interchange apparatus | 
| NL100798C (pm) * | 1958-03-12 | |||
| US2939995A (en) * | 1958-05-19 | 1960-06-07 | Bell Telephone Labor Inc | Traveling wave tube | 
| DE1276217B (de) * | 1958-06-25 | 1968-08-29 | Siemens Ag | Elektronenstrahlroehre mit Geschwindigkeitsmodulation, insbesondere Lauffeldroehre | 
| US3265925A (en) * | 1962-07-03 | 1966-08-09 | Bell Telephone Labor Inc | Field perturbing means for preventing beam scalloping in reversed field focusing system | 
| FR2363185A1 (fr) * | 1976-08-27 | 1978-03-24 | Thomson Csf | Dispositif de couplage pour tube hyperfrequence et tube hyperfrequence comportant un tel dispositif | 
| GB2152741B (en) * | 1980-04-28 | 1986-02-12 | Emi Varian Ltd | Producing an electron beam | 
| GB2152742B (en) * | 1980-04-28 | 1986-02-19 | Emi Varian Ltd | Microwave amplifiers and oscillators | 
| JP5835822B1 (ja) * | 2014-06-30 | 2015-12-24 | Necネットワーク・センサ株式会社 | 高周波回路システム | 
| US11961693B2 (en) | 2020-11-15 | 2024-04-16 | Elve Inc. | Magneto-electrostatic sensing, focusing, and steering of electron beams in vacuum electron devices | 
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| GB504802A (en) * | 1937-11-01 | 1939-05-01 | Frederick Hermes Nicoll | Improvements in or relating to permanent magnet devices for producing axially symmetrical magnetic fields | 
| GB539422A (en) * | 1940-02-06 | 1941-09-10 | Standard Telephones Cables Ltd | Improvements in or relating to arrangments for producing concentrated beams of electrons, particularly for electron discharge apparatus of the velocity modulation type | 
| NL62817C (pm) * | 1940-05-04 | |||
| USRE22389E (en) * | 1940-07-13 | 1943-11-02 | Electron beam concentrating | |
| FR956343A (pm) * | 1947-10-31 | 1950-01-31 | ||
| US2741718A (en) * | 1953-03-10 | 1956-04-10 | Sperry Rand Corp | High frequency apparatus | 
- 
        0
        
- DE DENDAT1071237D patent/DE1071237B/de active Pending
 - BE BE528454D patent/BE528454A/xx unknown
 - US US25189D patent/USRE25189E/en not_active Expired
 - NL NL95352D patent/NL95352C/xx active
 
 - 
        1953
        
- 1953-04-29 US US351984A patent/US2841739A/en not_active Expired - Lifetime
 
 - 
        1954
        
- 1954-03-23 FR FR1099234D patent/FR1099234A/fr not_active Expired
 - 1954-03-29 DE DEW25876A patent/DE1127498B/de active Pending
 - 1954-04-28 GB GB12311/54A patent/GB757369A/en not_active Expired
 - 1954-04-29 CH CH342662D patent/CH342662A/fr unknown
 
 
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| DE1298197B (de) * | 1961-05-02 | 1969-06-26 | Siemens Ag | Permanentmagnetsystem zur gebuendelten Fuehrung des Elektronenstrahls einer Lauffeldroehre | 
| DE4315940A1 (de) * | 1992-05-13 | 1993-12-02 | Litton Systems Inc | Periodisches Fokussiersystem mit Permanentmagneten in X-Z-Geometrie | 
| DE4315940C2 (de) * | 1992-05-13 | 1998-02-12 | Litton Systems Inc | Fokussiersystem zum Fokussieren eines Elektronenstrahls | 
Also Published As
| Publication number | Publication date | 
|---|---|
| NL95352C (pm) | |
| BE528454A (pm) | |
| FR1099234A (fr) | 1955-08-31 | 
| USRE25189E (en) | 1962-06-19 | 
| DE1127498B (de) | 1962-04-12 | 
| CH342662A (fr) | 1959-11-30 | 
| US2841739A (en) | 1958-07-01 | 
| GB757369A (en) | 1956-09-19 |