GB617421A - Resonant cavity tuning device - Google Patents

Resonant cavity tuning device

Info

Publication number
GB617421A
GB617421A GB33902/45A GB3390245A GB617421A GB 617421 A GB617421 A GB 617421A GB 33902/45 A GB33902/45 A GB 33902/45A GB 3390245 A GB3390245 A GB 3390245A GB 617421 A GB617421 A GB 617421A
Authority
GB
United Kingdom
Prior art keywords
resonator
tuner
electric
condenser
magnetic field
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
Application number
GB33902/45A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philco Radio and Television Corp
Original Assignee
Philco Radio and Television Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Philco Radio and Television Corp filed Critical Philco Radio and Television Corp
Publication of GB617421A publication Critical patent/GB617421A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/06—Cavity 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
    • H01J25/24—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 in the axis of the resonator or resonators and is pencil-like before reflection

Landscapes

  • Microwave Tubes (AREA)

Abstract

617,421. Electric resonators. PHILCO RADIO & TELEVISION CORPORATION. Dec. 14, 1945, No. 33902. Convention date, Feb. 29, 1944. [Class 40 (viii)] [Also in Group XL (a)] A rotatable tuner for an electric resonator is disposed with its axis extending transversely of both the electric and magnetic fields of the oscillations and includes a conducting member spaced laterally from the axis of rotation and movable between two extreme positions, in one of which the member forms a condenser of substantial capacity with one of the walls of the resonator and effects minimum displacement of the magnetic field, whereas in the other position the capacity is negligible while the member acts as a short-circuiting loop substantially affecting the magnetic field. In the construction shown, the tuner includes two members 5a and 5b which in one position form condensers with the top and bottom of a resonator in which they are situated. In an alternative construction, the tuner only bears a single member, in which case it has to be electrically connected to the wall of the container opposite to that with which the member forms a condenser. The element may be mounted on a spindle of dielectric material or a metal spindle if it passes through the wall at a point of zero current flow. The tuner 34 may be used in a reflex velocity modulation tube in which the resonator is formed of two semi-annular members 27 and 28, two semiannular clamping plates 29 and 30, and an annular clamping plate 31 with clamping screws 32.
GB33902/45A 1944-02-29 1945-12-14 Resonant cavity tuning device Expired GB617421A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US617421XA 1944-02-29 1944-02-29
US524472A US2442671A (en) 1944-02-29 1944-02-29 Resonant cavity tuning device

Publications (1)

Publication Number Publication Date
GB617421A true GB617421A (en) 1949-02-07

Family

ID=26741428

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33902/45A Expired GB617421A (en) 1944-02-29 1945-12-14 Resonant cavity tuning device

Country Status (2)

Country Link
US (1) US2442671A (en)
GB (1) GB617421A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243787B (en) * 1955-07-08 1967-07-06 Varian Associates Tunable electron tube in the manner of a klystron

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2745070A (en) * 1945-01-08 1956-05-08 Loy E Barton Cylinder tuning of cavity
US2600278A (en) * 1945-08-02 1952-06-10 Louis D Smullin Variable capacity cavity tuning
US2647952A (en) * 1945-08-02 1953-08-04 Us Navy High power transmit-receive box
US2627578A (en) * 1945-11-14 1953-02-03 Norman E Klein Tunable high-frequency oscillator
US2752524A (en) * 1945-12-13 1956-06-26 Edward G Martin Oscillator tube cavity tuner
US2736868A (en) * 1946-01-11 1956-02-28 Jr Persa R Bell Cavity tuner
US2761106A (en) * 1946-02-05 1956-08-28 Daniel Q Posin Tuning element for a cavity resonator
US2577511A (en) * 1946-05-24 1951-12-04 Seymour B Cohn Tunable radio frequency filter
US2587136A (en) * 1946-09-13 1952-02-26 Raytheon Mfg Co Reflex klystron electrondischarge device
GB660191A (en) * 1947-11-05 1951-10-31 Standard Telephones Cables Ltd Improvements in or relating to frequency modulated oscillation generators
US2575199A (en) * 1947-11-18 1951-11-13 Stromberg Carlson Co Wide-range tuning device for use at ultrahigh frequencies
US2540080A (en) * 1948-06-22 1951-02-06 Sylvania Electric Prod Reflex klystron electron discharge device
US2724072A (en) * 1950-12-18 1955-11-15 Raytheon Mfg Co Reflex klystron
US2694795A (en) * 1951-07-31 1954-11-16 Thomas T Pureka Cavity resonator
US3051866A (en) * 1954-04-09 1962-08-28 Varian Associates Velocity modulation electron tube apparatus
NL199045A (en) * 1954-07-20
US2857574A (en) * 1954-12-23 1958-10-21 Hazeltine Research Inc Tunable electrical resonator
US2789272A (en) * 1956-01-04 1957-04-16 Bomac Lab Inc Rotatable shutter and transmitreceive device
US2931992A (en) * 1956-07-02 1960-04-05 Bell Telephone Labor Inc Microwave impedance branch
US3218587A (en) * 1960-05-26 1965-11-16 Motorola Inc Cavity resonator tuning device with fixed capacitor moving across the electric and magnetic fields therein
DE1279137B (en) * 1965-09-08 1968-10-03 Mcdonnell Aircraft Corp Resonator for high frequency electrical oscillations
US3435284A (en) * 1965-12-28 1969-03-25 Rayethon Co Turnable coaxial cavity magnetron
US3495192A (en) * 1966-11-04 1970-02-10 Varian Associates Eccentric inductive tuned coupled cavity filters
DE102017100714A1 (en) * 2017-01-16 2018-07-19 Tesat-Spacecom Gmbh & Co. Kg Frequency adjustable channel filter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US476781A (en) * 1892-06-14 Francis broadnax
US996408A (en) * 1911-02-14 1911-06-27 Theodore E Hamby Electric-light socket.
US2280824A (en) * 1938-04-14 1942-04-28 Univ Leland Stanford Junior Radio transmission and reception

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243787B (en) * 1955-07-08 1967-07-06 Varian Associates Tunable electron tube in the manner of a klystron

Also Published As

Publication number Publication date
US2442671A (en) 1948-06-01

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