FR939344A - Improvements to thermionic devices used in conjunction with dielectric waveguides - Google Patents
Improvements to thermionic devices used in conjunction with dielectric waveguidesInfo
- Publication number
- FR939344A FR939344A FR939344DA FR939344A FR 939344 A FR939344 A FR 939344A FR 939344D A FR939344D A FR 939344DA FR 939344 A FR939344 A FR 939344A
- Authority
- FR
- France
- Prior art keywords
- conjunction
- devices used
- dielectric waveguides
- thermionic devices
- thermionic
- 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
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D9/00—Demodulation or transference of modulation of modulated electromagnetic waves
- H03D9/06—Transference of modulation using 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
- H01J25/02—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
- H01J25/10—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator
- H01J25/12—Klystrons, i.e. tubes having two or more resonators, without reflection of the electron stream, and in which the stream is modulated mainly by velocity in the zone of the input resonator with pencil-like electron stream in the axis of the resonators
-
- 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
- H01J25/22—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone
-
- 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
- H01J25/22—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone
- H01J25/28—Reflex klystrons, i.e. tubes having one or more resonators, with a single reflection of the electron stream, and in which the stream is modulated mainly by velocity in the modulator zone in which the electron stream is perpendicular to the axis of the resonator or resonators and is pencil-like before reflection
-
- 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
- H01J25/54—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 only one cavity or other resonator, e.g. neutrode tubes
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Particle Accelerators (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB272718X | 1941-08-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR939344A true FR939344A (en) | 1948-11-10 |
Family
ID=10256872
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR939344D Expired FR939344A (en) | 1941-08-29 | 1946-09-13 | Improvements to thermionic devices used in conjunction with dielectric waveguides |
Country Status (5)
Country | Link |
---|---|
US (1) | US2450026A (en) |
BE (1) | BE472810A (en) |
CH (1) | CH272718A (en) |
FR (1) | FR939344A (en) |
GB (1) | GB581481A (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2515203A (en) * | 1946-01-17 | 1950-07-18 | Edward W Ernst | Tracking mechanism for reflex velocity modulated tubes |
US2517731A (en) * | 1946-04-09 | 1950-08-08 | Rca Corp | Microwave transmission system |
FR941522A (en) * | 1947-01-17 | 1949-01-13 | Materiel Telephonique | Velocity Modulated Tubes |
US2558664A (en) * | 1948-05-15 | 1951-06-26 | Sylvania Electric Prod | Switch tube |
US2611102A (en) * | 1948-11-13 | 1952-09-16 | Sylvania Electric Prod | Traveling wave tube |
US2698398A (en) * | 1949-04-07 | 1954-12-28 | Univ Leland Stanford Junior | Traveling wave electron discharge device |
US2585860A (en) * | 1949-06-30 | 1952-02-12 | Nat Union Radio Corp | Microwave dynatron |
US2695973A (en) * | 1949-10-27 | 1954-11-30 | Univ Leland Stanford Junior | Reflex traveling wave amplifier |
US2678404A (en) * | 1949-12-30 | 1954-05-11 | Sperry Corp | High-frequency electron discharge apparatus |
US2691118A (en) * | 1950-01-23 | 1954-10-05 | Collins Radio Co | Extremely high-frequency electronic device |
US2652511A (en) * | 1950-03-06 | 1953-09-15 | Hewlett Packard Co | High-frequency generator |
US2694795A (en) * | 1951-07-31 | 1954-11-16 | Thomas T Pureka | Cavity resonator |
US2912619A (en) * | 1954-04-22 | 1959-11-10 | Emi Ltd | High frequency apparatus |
US2910614A (en) * | 1957-09-03 | 1959-10-27 | Gen Electric | External resonant section tubes |
US3403257A (en) * | 1963-04-02 | 1968-09-24 | Mc Donnell Douglas Corp | Light beam demodulator |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL54626C (en) * | 1936-05-19 | |||
US2170219A (en) * | 1936-10-16 | 1939-08-22 | Telefunken Gmbh | Ultra high frequency oscillator |
US2190511A (en) * | 1938-03-01 | 1940-02-13 | Gen Electric | Ultra short wave system |
US2207846A (en) * | 1938-06-30 | 1940-07-16 | Rca Corp | Electronic discharge device |
US2190515A (en) * | 1938-07-15 | 1940-02-13 | Gen Electric | Ultra short wave device |
US2253589A (en) * | 1938-08-06 | 1941-08-26 | George C Southworth | Generation and transmission of high frequency oscillations |
BE481452A (en) * | 1939-06-15 | |||
GB537490A (en) * | 1939-12-22 | 1941-06-24 | Standard Telephones Cables Ltd | Improvements in or relating to electron discharge apparatus |
US2368031A (en) * | 1940-03-15 | 1945-01-23 | Bell Telephone Labor Inc | Electron discharge device |
US2220841A (en) * | 1940-03-30 | 1940-11-05 | Gen Electric | High-frequency detector |
FR957330A (en) * | 1940-05-17 | 1950-02-18 | ||
US2372193A (en) * | 1940-06-05 | 1945-03-27 | Bell Telephone Labor Inc | Producing and transmitting electromagnetic waves |
GB543400A (en) * | 1940-08-23 | 1942-02-24 | Standard Telephones Cables Ltd | Improvements in or relating to electron discharge devices incorporating high-frequency resonators |
US2293151A (en) * | 1940-10-08 | 1942-08-18 | Rca Corp | Resonant cavity device |
-
0
- BE BE472810D patent/BE472810A/xx unknown
-
1941
- 1941-08-29 GB GB11078/41A patent/GB581481A/en not_active Expired
-
1942
- 1942-10-14 US US462027A patent/US2450026A/en not_active Expired - Lifetime
-
1946
- 1946-09-13 FR FR939344D patent/FR939344A/en not_active Expired
-
1947
- 1947-03-11 CH CH272718D patent/CH272718A/en unknown
Also Published As
Publication number | Publication date |
---|---|
CH272718A (en) | 1950-12-31 |
GB581481A (en) | 1946-10-15 |
US2450026A (en) | 1948-09-28 |
BE472810A (en) |
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