BE490688A - - Google Patents
Info
- Publication number
- BE490688A BE490688A BE490688DA BE490688A BE 490688 A BE490688 A BE 490688A BE 490688D A BE490688D A BE 490688DA BE 490688 A BE490688 A BE 490688A
- 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
-
- 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 |
---|---|---|---|
NL277503X | 1948-08-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE490688A true BE490688A (pt) |
Family
ID=19782178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE490688D BE490688A (pt) | 1948-08-19 |
Country Status (6)
Country | Link |
---|---|
US (1) | US2619614A (pt) |
BE (1) | BE490688A (pt) |
CH (1) | CH277503A (pt) |
FR (1) | FR993364A (pt) |
GB (1) | GB671422A (pt) |
NL (2) | NL141983B (pt) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE550314C (de) * | 1932-05-07 | Sueddeutsche Telefon App Kabel | Kathodenroehre, bei welcher Gitter oder Anode oder beide derart in der Elektronenbahn angeordnet sind, dass, von der Kathode aus gesehen, Teile des Gitters und der Anode miteinander abwechseln | |
US1792219A (en) * | 1926-02-27 | 1931-02-10 | Siemens Ag | Method of securing grid wires |
US2075202A (en) * | 1934-12-12 | 1937-03-30 | Philips Nv | Electron discharge tube |
US2460062A (en) * | 1945-11-23 | 1949-01-25 | Philco Corp | Grid controlled electron tube |
-
0
- NL NL72289D patent/NL72289C/xx active
- NL NL707003544A patent/NL141983B/xx unknown
- BE BE490688D patent/BE490688A/xx unknown
-
1949
- 1949-07-28 US US107286A patent/US2619614A/en not_active Expired - Lifetime
- 1949-08-11 GB GB21299/49A patent/GB671422A/en not_active Expired
- 1949-08-17 CH CH277503D patent/CH277503A/de unknown
- 1949-08-17 FR FR993364D patent/FR993364A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH277503A (de) | 1951-08-31 |
NL72289C (pt) | |
NL141983B (nl) | |
US2619614A (en) | 1952-11-25 |
FR993364A (fr) | 1951-10-30 |
GB671422A (en) | 1952-05-07 |