BE540784A - - Google Patents
Info
- Publication number
- BE540784A BE540784A BE540784DA BE540784A BE 540784 A BE540784 A BE 540784A BE 540784D A BE540784D A BE 540784DA BE 540784 A BE540784 A BE 540784A
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US452248A US2925520A (en) | 1954-08-26 | 1954-08-26 | Traveling wave tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE540784A true BE540784A (de) |
Family
ID=23795711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE540784D BE540784A (de) | 1954-08-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2925520A (de) |
| BE (1) | BE540784A (de) |
| DE (1) | DE1060995B (de) |
| FR (1) | FR1132464A (de) |
| GB (1) | GB787692A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1128926B (de) * | 1958-06-03 | 1962-05-03 | Siemens Ag | Lauffeldroehre mit einem Hohlleiter als Verzoegerungsleitung |
| US3129356A (en) * | 1959-05-28 | 1964-04-14 | Gen Electric | Fast electromagnetic wave and undulating electron beam interaction structure |
| US3072817A (en) * | 1959-06-19 | 1963-01-08 | Bell Telephone Labor Inc | Electron discharge device |
| NL275577A (de) * | 1961-03-06 | |||
| FR2518802A1 (fr) * | 1981-12-22 | 1983-06-24 | Thomson Csf | Ligne a retard pour tube a onde progressive |
Family Cites Families (10)
| 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 |
| NL62817C (de) * | 1940-05-04 | |||
| USRE22389E (en) * | 1940-07-13 | 1943-11-02 | Electron beam concentrating | |
| US2369796A (en) * | 1943-03-26 | 1945-02-20 | Rca Corp | Electron lens system |
| US2418349A (en) * | 1945-12-13 | 1947-04-01 | Rca Corp | Method of and means for correcting for distortion in electron lens systems |
| US2776389A (en) * | 1950-11-01 | 1957-01-01 | Rca Corp | Electron beam tubes |
| US2817037A (en) * | 1951-08-04 | 1957-12-17 | Rca Corp | Traveling wave electron tubes and circuits |
| BE521065A (de) * | 1952-07-01 | |||
| US2843788A (en) * | 1952-12-03 | 1958-07-15 | Rolf W Peter | Electron beam tube |
| US2741718A (en) * | 1953-03-10 | 1956-04-10 | Sperry Rand Corp | High frequency apparatus |
-
0
- BE BE540784D patent/BE540784A/xx unknown
-
1954
- 1954-08-26 US US452248A patent/US2925520A/en not_active Expired - Lifetime
-
1955
- 1955-06-01 FR FR1132464D patent/FR1132464A/fr not_active Expired
- 1955-06-16 DE DEW16888A patent/DE1060995B/de active Pending
- 1955-08-23 GB GB24235/55A patent/GB787692A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2925520A (en) | 1960-02-16 |
| DE1060995B (de) | 1959-07-09 |
| GB787692A (en) | 1957-12-11 |
| FR1132464A (fr) | 1957-03-12 |