GB697267A - High-frequency oscillator discharge devices - Google Patents
High-frequency oscillator discharge devicesInfo
- Publication number
- GB697267A GB697267A GB20381/51A GB2038151A GB697267A GB 697267 A GB697267 A GB 697267A GB 20381/51 A GB20381/51 A GB 20381/51A GB 2038151 A GB2038151 A GB 2038151A GB 697267 A GB697267 A GB 697267A
- Authority
- GB
- United Kingdom
- Prior art keywords
- helix
- wave
- reflectors
- adjustable
- aug
- 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
Abstract
697,267. Travelling-wave tubes. LELAND STANFORD JUNIOR UNIVERSITY, BOARD OF TRUSTEES OF. Aug. 29, 1951 [Aug. 30, 1950], No. 20381/51. Class 39(i) [Also in Group XL(c)] A travelling wave tube is made to operate as an oscillator by the provision of wave reflecting means 35, 37 at or near each end of the slow wave structure, as shown a helix 3, and one of the reflectors 37 is adjustable along the axis to ensure that the spacing between the two reflecting means can be made equal to an integral number of half wavelengths at the desired frequency of operation. The helix is terminated at either end by transition sections 27, 29 of varying pitch wound in grooves 33 in hollow conductive members 31 which convert the longitudinal E wave on the helix to a radial or TEM mode which is stated to be more easily reflected without the generation of higher order modes. Reflectors 35, 37 may be coupled to inner and outer conductors 31, 32 conductively and/or capacitatively, for example as shown, and reflector 37 is adjustable for fine tuning and determination of the correct number of half wavelengths by means of linkage comprising piston 41, screw 43, gears 45 to crank handle 47. Coarse tuning is obtained by variation of the beam accelerating voltage by means of adjustable voltage dividers 21, 23, the helix preferably being highly dispersive and so frequency selective. 11 and 13 are focusing electrodes and 15 is an accelerating electrode; lead 25 connects the helix 3 to the collector 5. Cylinder 32 may be omitted except in the immediate vicinity of reflectors 35, 37. Energy is removed by coupling loop 34 and coaxial line 36. The tube envelope 7 is of quartz. The device may be used as a signal generator or as a local oscillator in a microwave superheterodyne receiver. Specification 668,513. [Group XL(b)], is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US182367A US2672571A (en) | 1950-08-30 | 1950-08-30 | High-frequency oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB697267A true GB697267A (en) | 1953-09-16 |
Family
ID=22668149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20381/51A Expired GB697267A (en) | 1950-08-30 | 1951-08-29 | High-frequency oscillator discharge devices |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US2672571A (en) |
| GB (1) | GB697267A (en) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE518854A (en) * | 1952-04-01 | |||
| US2800603A (en) * | 1952-04-08 | 1957-07-23 | Itt | Traveling wave electron discharge devices |
| US2798981A (en) * | 1952-08-19 | 1957-07-09 | Itt | Traveling wave electron discharge devices |
| US2845570A (en) * | 1952-04-08 | 1958-07-29 | Int Standard Electric Corp | Broad band coaxial coupling for travelling wave tubes |
| BE570152A (en) * | 1953-03-26 | 1900-01-01 | ||
| BE532534A (en) * | 1953-03-26 | |||
| US2833955A (en) * | 1954-02-04 | 1958-05-06 | Itt | Traveling wave electron discharge devices |
| US2891190A (en) * | 1954-04-29 | 1959-06-16 | Sperry Rand Corp | Travelling wave tubes |
| US2945155A (en) * | 1954-06-21 | 1960-07-12 | Varian Associates | Resonator and velocity modulation device using same |
| US2823333A (en) * | 1954-10-29 | 1958-02-11 | Bell Telephone Labor Inc | Traveling wave tube |
| US3005129A (en) * | 1957-03-19 | 1961-10-17 | Raytheon Co | Magnetron oscillators |
| DE1049011B (en) * | 1957-10-26 | 1959-01-22 | Telefunken Gmbh | Arrangement for coupling a high-frequency line to the preferably helical delay line of an electrical discharge device in the manner of a running field tube |
| US2979636A (en) * | 1959-01-05 | 1961-04-11 | Magid Max | Wave guide-to-coaxial line coupling for traveling wave amplifiers |
| DE1295099B (en) * | 1960-03-10 | 1969-05-14 | Siemens Ag | Electron beam generation system for transit time tubes |
| NL130847C (en) * | 1960-04-01 | 1900-01-01 | ||
| GB1038845A (en) * | 1964-07-30 | 1966-08-10 | M O Valve Co Ltd | Improvements in or relating to travelling wave tubes |
| GB1134848A (en) * | 1965-03-31 | 1968-11-27 | Elliott Brothers London Ltd | Improvements in or relating to klystrons |
| US6622854B2 (en) * | 1998-06-08 | 2003-09-23 | Stevedoring Services Of America, Inc. | Method and apparatus for loading stacks of cartons of frozen animal products onto vessels using a carrier |
| US20060153670A1 (en) * | 1998-06-08 | 2006-07-13 | Coblentz W S | Method and apparatus for pallet removal cargo queuing and stowage of stacks of cartons of frozen animal products |
| JP3870043B2 (en) * | 2001-07-05 | 2007-01-17 | インターナショナル・ビジネス・マシーンズ・コーポレーション | Systems, computer programs, and servers for searching, detecting, and identifying major and outlier clusters in large databases |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2122538A (en) * | 1935-01-22 | 1938-07-05 | American Telephone & Telegraph | Wave amplifier |
| US2278210A (en) * | 1940-07-05 | 1942-03-31 | Bell Telephone Labor Inc | Electron discharge device |
| BE480140A (en) * | 1946-08-16 | |||
| NL144610B (en) * | 1948-02-04 | American Cyanamid Co | PROCESS FOR THE PREPARATION OF A PREPARATION AGAINST WORM DISEASE IN WARM-BLOODED ANIMALS. | |
| US2637775A (en) * | 1948-03-16 | 1953-05-05 | Rca Corp | Coupling of a helical conductor to a wave guide |
-
1950
- 1950-08-30 US US182367A patent/US2672571A/en not_active Expired - Lifetime
-
1951
- 1951-08-29 GB GB20381/51A patent/GB697267A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2672571A (en) | 1954-03-16 |
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