BE490298A - - Google Patents
Info
- Publication number
- BE490298A BE490298A BE490298DA BE490298A BE 490298 A BE490298 A BE 490298A BE 490298D A BE490298D A BE 490298DA BE 490298 A BE490298 A BE 490298A
- Authority
- BE
- Belgium
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
- H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
- H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
- H01J25/38—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field the forward travelling wave being utilised
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL276294X | 1948-07-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE490298A true BE490298A (de) |
Family
ID=19782130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE490298D BE490298A (de) | 1948-07-23 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2789247A (de) |
| BE (1) | BE490298A (de) |
| CH (1) | CH276294A (de) |
| DE (1) | DE810883C (de) |
| FR (1) | FR991090A (de) |
| GB (1) | GB672724A (de) |
| NL (2) | NL141587B (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL189984C (de) * | 1953-08-14 | |||
| US2836758A (en) * | 1953-10-12 | 1958-05-27 | Varian Associates | Electron discharge device |
| US2859380A (en) * | 1953-12-30 | 1958-11-04 | Raytheon Mfg Co | Traveling wave oscillators |
| US2945155A (en) * | 1954-06-21 | 1960-07-12 | Varian Associates | Resonator and velocity modulation device using same |
| DE1101630B (de) * | 1954-07-17 | 1961-03-09 | Deutsche Bundespost | Laufzeitroehre nach Art einer Lauffeldroehre |
| US3054017A (en) * | 1957-05-06 | 1962-09-11 | Gen Electric | Electron discharge devices |
| DE1206094B (de) * | 1958-06-16 | 1965-12-02 | Siemens Ag | Lauffeldroehre fuer sehr kurze Wellen, insbesondere Millimeterwellen |
| US3062983A (en) * | 1959-04-28 | 1962-11-06 | Gen Electric | High frequency energy interchange device |
| NL262776A (de) * | 1960-03-24 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2064469A (en) * | 1933-10-23 | 1936-12-15 | Rca Corp | Device for and method of controlling high frequency currents |
| GB464977A (en) * | 1935-07-24 | 1937-04-26 | William Spencer Percival | Improvements in and relating to electron discharge devices |
| NL62817C (de) * | 1940-05-04 | |||
| BE480142A (de) * | 1946-08-21 | |||
| US2578434A (en) * | 1947-06-25 | 1951-12-11 | Rca Corp | High-frequency electron discharge device of the traveling wave type |
| US2643353A (en) * | 1948-11-04 | 1953-06-23 | Int Standard Electric Corp | Traveling wave tube |
-
0
- BE BE490298D patent/BE490298A/xx unknown
- NL NL82251D patent/NL82251C/xx active
- NL NL646410308A patent/NL141587B/xx unknown
-
1949
- 1949-07-20 DE DEP49443A patent/DE810883C/de not_active Expired
- 1949-07-20 GB GB19113/49A patent/GB672724A/en not_active Expired
- 1949-07-21 CH CH276294D patent/CH276294A/de unknown
- 1949-07-22 US US106116A patent/US2789247A/en not_active Expired - Lifetime
- 1949-07-22 FR FR991090D patent/FR991090A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL141587B (nl) | |
| GB672724A (en) | 1952-05-28 |
| DE810883C (de) | 1951-08-13 |
| US2789247A (en) | 1957-04-16 |
| CH276294A (de) | 1951-06-30 |
| NL82251C (de) | |
| FR991090A (fr) | 1951-10-01 |