BE495667A - - Google Patents
Info
- Publication number
- BE495667A BE495667A BE495667DA BE495667A BE 495667 A BE495667 A BE 495667A BE 495667D A BE495667D A BE 495667DA BE 495667 A BE495667 A BE 495667A
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL283560X | 1949-05-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE495667A true BE495667A (ru) |
Family
ID=19782400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE495667D BE495667A (ru) | 1949-05-13 |
Country Status (7)
Country | Link |
---|---|
US (1) | US2659030A (ru) |
BE (1) | BE495667A (ru) |
CH (1) | CH283560A (ru) |
DE (1) | DE820940C (ru) |
FR (1) | FR1017426A (ru) |
GB (1) | GB676914A (ru) |
NL (2) | NL146431B (ru) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2313343A (en) * | 1996-05-20 | 1997-11-26 | Reuters Ltd | A keyboard having keycaps with transparent front faces |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE426053C (de) * | 1926-03-08 | Siemens & Halske Akt Ges | Entladungsroehre | |
US1417912A (en) * | 1916-06-24 | 1922-05-30 | Hewitt Peter Cooper | Vacuum electric apparatus |
GB344448A (en) * | 1929-12-03 | 1931-03-03 | Andre Gabriel Clavier | Improvements in or relating to thermionic oscillation generators |
US2009369A (en) * | 1931-06-24 | 1935-07-23 | Rca Corp | Oscillation generation |
DE663309C (de) * | 1934-10-30 | 1938-08-04 | Telefunken Gmbh | Kurzwellenroehre mit Kathode und konzentrisch dazu angeordneter einteiliger Anode |
US2266411A (en) * | 1938-05-27 | 1941-12-16 | Int Standard Electric Corp | Electron tube |
FR999345A (ru) * | 1946-11-20 | 1952-01-29 |
-
0
- NL NL71310D patent/NL71310C/xx active
- BE BE495667D patent/BE495667A/xx unknown
- NL NL676700483A patent/NL146431B/xx unknown
-
1950
- 1950-04-13 US US155575A patent/US2659030A/en not_active Expired - Lifetime
- 1950-05-10 DE DEN860A patent/DE820940C/de not_active Expired
- 1950-05-10 GB GB11638/50A patent/GB676914A/en not_active Expired
- 1950-05-11 CH CH283560D patent/CH283560A/de unknown
- 1950-05-11 FR FR1017426D patent/FR1017426A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE820940C (de) | 1951-11-15 |
CH283560A (de) | 1952-06-15 |
GB676914A (en) | 1952-08-06 |
NL71310C (ru) | |
FR1017426A (fr) | 1952-12-10 |
NL146431B (nl) | |
US2659030A (en) | 1953-11-10 |