FR994737A - Dispositif pour engendrer, amplifier ou moduler des ondes décimétriques - Google Patents
Dispositif pour engendrer, amplifier ou moduler des ondes décimétriquesInfo
- Publication number
- FR994737A FR994737A FR994737DA FR994737A FR 994737 A FR994737 A FR 994737A FR 994737D A FR994737D A FR 994737DA FR 994737 A FR994737 A FR 994737A
- Authority
- FR
- France
- Prior art keywords
- uhfs
- modulating
- amplifying
- generating
- modulating uhfs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/78—One or more circuit elements structurally associated with the tube
- H01J19/80—Structurally associated resonator having distributed inductance and capacitance
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL277174X | 1948-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR994737A true FR994737A (fr) | 1951-11-21 |
Family
ID=19782165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR994737D Expired FR994737A (fr) | 1948-09-09 | 1949-09-07 | Dispositif pour engendrer, amplifier ou moduler des ondes décimétriques |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2600491A (pm) |
| BE (1) | BE491017A (pm) |
| CH (1) | CH277174A (pm) |
| DE (1) | DE812807C (pm) |
| FR (1) | FR994737A (pm) |
| GB (1) | GB670124A (pm) |
| NL (2) | NL142248B (pm) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1005198B (de) * | 1954-12-11 | 1957-03-28 | Telefunken Gmbh | Elektrische Entladungsroehre nach dem Lauffeldprinzip |
Family Cites Families (5)
| 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 | |
| US1210540A (en) * | 1915-10-28 | 1917-01-02 | Drahtlose Telegraphie Gmbh | Cathode-ray tube. |
| US2002238A (en) * | 1930-07-22 | 1935-05-21 | Jr Edward H Yonkers | Negative resistance |
| US2164922A (en) * | 1935-12-03 | 1939-07-04 | Telefunken Gmbh | Cross field control tube |
| US2176589A (en) * | 1936-01-16 | 1939-10-17 | Telefunken Gmbh | Electron beam tube |
-
0
- BE BE491017D patent/BE491017A/xx unknown
- NL NL73505D patent/NL73505C/xx active
- NL NL646412172A patent/NL142248B/xx unknown
-
1949
- 1949-07-28 US US107288A patent/US2600491A/en not_active Expired - Lifetime
- 1949-09-06 GB GB23028/49A patent/GB670124A/en not_active Expired
- 1949-09-07 FR FR994737D patent/FR994737A/fr not_active Expired
- 1949-09-07 CH CH277174D patent/CH277174A/de unknown
- 1949-09-07 DE DEP54158A patent/DE812807C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH277174A (de) | 1951-08-15 |
| DE812807C (de) | 1951-09-06 |
| NL73505C (pm) | |
| GB670124A (en) | 1952-04-16 |
| BE491017A (pm) | |
| NL142248B (nl) | |
| US2600491A (en) | 1952-06-17 |
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