BE528454A - - Google Patents
Info
- Publication number
- BE528454A BE528454A BE528454DA BE528454A BE 528454 A BE528454 A BE 528454A BE 528454D A BE528454D A BE 528454DA BE 528454 A BE528454 A BE 528454A
- 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
- H01J23/08—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 |
|---|---|
| BE528454A true BE528454A (US06650917-20031118-M00005.png) |
Family
ID=23383280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE528454D BE528454A (US06650917-20031118-M00005.png) | 1953-04-29 |
Country Status (7)
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2925508A (en) * | 1955-07-28 | 1960-02-16 | Sperry Rand Corp | Electron beam focusing structure |
| NL214979A (US06650917-20031118-M00005.png) * | 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 |
| NL237015A (US06650917-20031118-M00005.png) * | 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 |
| NL277862A (US06650917-20031118-M00005.png) * | 1961-05-02 | |||
| 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 |
| GB2152742B (en) * | 1980-04-28 | 1986-02-19 | Emi Varian Ltd | Microwave amplifiers and oscillators |
| GB2152741B (en) * | 1980-04-28 | 1986-02-12 | Emi Varian Ltd | Producing an electron beam |
| US5332948A (en) * | 1992-05-13 | 1994-07-26 | Litton Systems, Inc. | X-z geometry periodic permanent magnet focusing system |
| 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 |
| US11894208B2 (en) | 2020-11-15 | 2024-02-06 | Elve Inc. | Multi-layer vacuum electron device and method of manufacture |
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 (US06650917-20031118-M00005.png) * | 1940-05-04 | |||
| USRE22389E (en) * | 1940-07-13 | 1943-11-02 | Electron beam concentrating | |
| BE485548A (US06650917-20031118-M00005.png) * | 1947-10-31 | |||
| US2741718A (en) * | 1953-03-10 | 1956-04-10 | Sperry Rand Corp | High frequency apparatus |
-
0
- US US25189D patent/USRE25189E/en not_active Expired
- DE DENDAT1071237D patent/DE1071237B/de active Pending
- NL NL95352D patent/NL95352C/xx active
- BE BE528454D patent/BE528454A/xx unknown
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| USRE25189E (en) | 1962-06-19 |
| DE1127498B (de) | 1962-04-12 |
| DE1071237B (US06650917-20031118-M00005.png) | |
| NL95352C (US06650917-20031118-M00005.png) | |
| CH342662A (fr) | 1959-11-30 |
| FR1099234A (fr) | 1955-08-31 |
| US2841739A (en) | 1958-07-01 |
| GB757369A (en) | 1956-09-19 |
