BE475640A - - Google Patents
Info
- Publication number
- BE475640A BE475640A BE475640DA BE475640A BE 475640 A BE475640 A BE 475640A BE 475640D A BE475640D A BE 475640DA BE 475640 A BE475640 A BE 475640A
- 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
- H01J25/50—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
- H01J25/52—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode
- H01J25/58—Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode having a number of resonators; having a composite resonator, e.g. a helix
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
- B30B15/24—Control arrangements for fluid-driven presses controlling the movement of a plurality of actuating members to maintain parallel movement of the platen or press beam
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US470758A US2446825A (en) | 1942-12-31 | 1942-12-31 | Ultra high frequency electric discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE475640A true BE475640A (en) |
Family
ID=23868911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE475640D BE475640A (en) | 1942-12-31 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2446825A (en) |
| BE (1) | BE475640A (en) |
| FR (1) | FR947392A (en) |
| GB (1) | GB654585A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2489131A (en) * | 1943-11-17 | 1949-11-22 | Rca Corp | Electron discharge device of the cavity resonator type |
| US2547503A (en) * | 1943-11-19 | 1951-04-03 | Rca Corp | Multiresonator magnetron |
| US2546773A (en) * | 1945-06-23 | 1951-03-27 | Gen Electric | Anode structure for space resonant discharge devices |
| US2562738A (en) * | 1949-05-04 | 1951-07-31 | Gen Electric | Electron discharge apparatus for amplifying ultra high frequency waves |
| US2678407A (en) * | 1950-01-04 | 1954-05-11 | Raytheon Mfg Co | Electron-discharge device |
| NL161075C (en) * | 1950-05-08 | Balcke Duerr Ag | PROCEDURE FOR THE SCREW-LINE-SHAPED REPLACING OF AN ANGLE-CURVED TAPE ON OVAL TUBES, AS WELL AS A DEVICE FOR PERFORMING THE PROCEDURE. | |
| DE1063284B (en) * | 1955-10-18 | 1959-08-13 | Deutsche Elektronik Gmbh | Magnetic field tubes for generating or amplifying very short electrical oscillations of various frequencies |
| US10580611B2 (en) * | 2014-08-21 | 2020-03-03 | Raytheon Company | Rapid 3D prototyping and fabricating of slow-wave structures, including electromagnetic meta-material structures, for millimeter-wavelength and terahertz-frequency high-power vacuum electronic devices |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1387985A (en) * | 1916-11-13 | 1921-08-16 | Gen Electric | Electron-discharge device |
| US1684947A (en) * | 1922-06-23 | 1928-09-18 | C H F Muller Rontgenrohrenfabr | Vacuum discharge apparatus |
| DE639825C (en) * | 1930-04-02 | 1936-12-14 | Arno Brasch | Electric vacuum vessel for high voltages |
| NL33127C (en) * | 1930-07-21 | |||
| US1978021A (en) * | 1930-10-13 | 1934-10-23 | American Telephone & Telegraph | Ultrashort wave system |
| US2250698A (en) * | 1937-12-10 | 1941-07-29 | Csf | Magnetron |
| US2207846A (en) * | 1938-06-30 | 1940-07-16 | Rca Corp | Electronic discharge device |
| US2270777A (en) * | 1939-04-06 | 1942-01-20 | Telefunken Gmbh | Ultra short wave electron discharge device system |
| NL62591C (en) * | 1939-09-30 | |||
| BE446912A (en) * | 1940-07-27 | |||
| US2417789A (en) * | 1941-12-01 | 1947-03-18 | Raytheon Mfg Co | Magnetron anode structure |
-
0
- BE BE475640D patent/BE475640A/xx unknown
-
1942
- 1942-12-31 US US470758A patent/US2446825A/en not_active Expired - Lifetime
-
1947
- 1947-05-30 FR FR947392D patent/FR947392A/en not_active Expired
-
1948
- 1948-02-12 GB GB4156/48A patent/GB654585A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2446825A (en) | 1948-08-10 |
| FR947392A (en) | 1949-06-30 |
| GB654585A (en) | 1951-06-20 |