BE442068A - - Google Patents
Info
- Publication number
- BE442068A BE442068A BE442068DA BE442068A BE 442068 A BE442068 A BE 442068A BE 442068D A BE442068D A BE 442068DA BE 442068 A BE442068 A BE 442068A
- 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
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
- H01J25/32—Tubes with plural reflection, e.g. Coeterier tube
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/64—Magnetic lenses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
- H01J3/02—Electron guns
- H01J3/029—Schematic arrangements for beam forming
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL219503X | 1940-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE442068A true BE442068A (en) |
Family
ID=19779267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE442068D BE442068A (en) | 1940-07-03 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US2347990A (en) |
| BE (1) | BE442068A (en) |
| CH (1) | CH219503A (en) |
| DE (1) | DE862039C (en) |
| FR (1) | FR874922A (en) |
| GB (2) | GB554828A (en) |
| NL (1) | NL60887C (en) |
| SE (1) | SE106343C1 (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL254372A (en) * | 1930-07-02 | |||
| BE508323A (en) * | 1951-01-11 | |||
| US2619607A (en) * | 1951-03-10 | 1952-11-25 | Glaser Steers Corp | Internal focusing device |
| US2748307A (en) * | 1952-03-06 | 1956-05-29 | Gen Electric | Magnetically forcused electron discharge device |
| DE961735C (en) * | 1953-03-19 | 1957-04-11 | Fernseh Gmbh | Method for centering the electron beam, especially for television picture tubes, with a permanent magnet surrounding the beam axis in a ring shape and arrangement for carrying out the method |
| DE1059565B (en) * | 1955-01-15 | 1959-06-18 | Sebel S A | Electronic lamp for lighting purposes |
| NL214772A (en) * | 1956-02-24 | |||
| NL278366A (en) * | 1961-05-27 | |||
| NL282676A (en) * | 1961-08-31 | |||
| US3217200A (en) * | 1962-01-23 | 1965-11-09 | Gen Electric | Internal magnetic lens for electron beams |
| DE2856244A1 (en) * | 1978-12-27 | 1980-07-03 | Kernforschungsanlage Juelich | ELECTRONIC SHOCK SPECTROMETER |
| FR2641899A1 (en) * | 1989-01-17 | 1990-07-20 | Thomson Tubes Electroniques | ELECTRON GUN WITH AN ACTIVE DEVICE PRODUCING A MAGNETIC FIELD IN THE VICINITY OF THE CATHODE |
-
0
- BE BE442068D patent/BE442068A/xx unknown
- NL NL60887D patent/NL60887C/xx active
-
1941
- 1941-07-01 DE DEN2330D patent/DE862039C/en not_active Expired
- 1941-07-02 CH CH219503D patent/CH219503A/en unknown
- 1941-07-03 SE SE413541A patent/SE106343C1/xx unknown
- 1941-08-28 FR FR874922D patent/FR874922A/en not_active Expired
- 1941-11-17 GB GB14786/41A patent/GB554828A/en not_active Expired
-
1942
- 1942-02-12 US US430602A patent/US2347990A/en not_active Expired - Lifetime
-
1945
- 1945-11-06 GB GB29544/45A patent/GB603939A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE862039C (en) | 1953-01-08 |
| GB554828A (en) | 1943-07-21 |
| CH219503A (en) | 1942-02-15 |
| GB603939A (en) | 1948-06-25 |
| US2347990A (en) | 1944-05-02 |
| NL60887C (en) | |
| SE106343C1 (en) | 1943-01-19 |
| FR874922A (en) | 1942-08-31 |