FR57878E - Improvements to discharge tubes, particularly magnetrons - Google Patents

Improvements to discharge tubes, particularly magnetrons

Info

Publication number
FR57878E
FR57878E FR57878DA FR57878E FR 57878 E FR57878 E FR 57878E FR 57878D A FR57878D A FR 57878DA FR 57878 E FR57878 E FR 57878E
Authority
FR
France
Prior art keywords
magnetrons
discharge tubes
tubes
discharge
particularly magnetrons
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
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR57878E publication Critical patent/FR57878E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/16—Circuit elements, having distributed capacitance and inductance, structurally associated with the tube and interacting with the discharge
    • H01J23/18—Resonators
    • H01J23/20—Cavity resonators; Adjustment or tuning thereof
    • H01J23/213—Simultaneous tuning of more than one resonator, e.g. resonant cavities of a magnetron
    • 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
    • H01J25/58—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 a number of resonators; having a composite resonator, e.g. a helix
    • H01J25/587—Multi-cavity magnetrons
FR57878D 1944-12-02 1947-12-18 Improvements to discharge tubes, particularly magnetrons Expired FR57878E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US566288A US2424496A (en) 1944-12-02 1944-12-02 Tunable magnetron of the resonator type

Publications (1)

Publication Number Publication Date
FR57878E true FR57878E (en) 1953-09-18

Family

ID=24262266

Family Applications (2)

Application Number Title Priority Date Filing Date
FR955107D Expired FR955107A (en) 1944-12-02
FR57878D Expired FR57878E (en) 1944-12-02 1947-12-18 Improvements to discharge tubes, particularly magnetrons

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR955107D Expired FR955107A (en) 1944-12-02

Country Status (4)

Country Link
US (1) US2424496A (en)
BE (1) BE480796A (en)
FR (2) FR57878E (en)
GB (2) GB644852A (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB612415A (en) * 1944-03-29 1948-11-12 Marconi Wireless Telegraph Co Magnetron electron discharge devices
US2498763A (en) * 1944-06-15 1950-02-28 Westinghouse Electric Corp Magnetron
US2527699A (en) * 1944-10-10 1950-10-31 Dwain B Bowen Tunable oscillator
US2478534A (en) * 1944-12-13 1949-08-09 Raytheon Mfg Co Electron discharge device of the cavity resonator type
US2501196A (en) * 1945-03-20 1950-03-21 Raytheon Mfg Co Electron discharge device
US2477317A (en) * 1945-03-21 1949-07-26 Raytheon Mfg Co Electron discharge device
US2624862A (en) * 1945-05-09 1953-01-06 Everhart Edgar Tunable strapped magnetron
US2482541A (en) * 1945-05-12 1949-09-20 Gen Electric High-frequency electrical apparatus
US2506955A (en) * 1945-05-14 1950-05-09 Bell Telephone Labor Inc Tunable high-frequency circuits
US2481171A (en) * 1945-08-20 1949-09-06 Raytheon Mfg Co Electron discharge device
US2554272A (en) * 1945-10-31 1951-05-22 Westinghouse Electric Corp Split anode magnetron with tuning ring
US2666165A (en) * 1946-01-03 1954-01-12 Hutchinson Franklin Tunable magnetron oscillator
US2606307A (en) * 1946-01-29 1952-08-05 Marshall C Pease Tunable magnetron
US2624865A (en) * 1946-03-01 1953-01-06 Nathan P Nichols Plug-in magnetron and mount therefor
US2719240A (en) * 1946-03-14 1955-09-27 Laurence R Walker Cathode structure
US2644106A (en) * 1946-04-30 1953-06-30 Us Sec War Tuning and strapping mechanism for magnetrons
US2529950A (en) * 1946-05-10 1950-11-14 Raytheon Mfg Co Tunable electron discharge device
NL80745C (en) * 1946-05-13
FR963882A (en) * 1947-04-03 1950-07-24
US2509265A (en) * 1947-08-13 1950-05-30 Rca Corp Tunable cavity resonator magnetron
US2621311A (en) * 1947-12-26 1952-12-09 Raytheon Mfg Co Mechanical movement
US2644139A (en) * 1947-12-27 1953-06-30 Westinghouse Electric Corp Multifrequency tau-r box
US2720628A (en) * 1950-09-05 1955-10-11 Beverly D Kumpfer Tunable cavity resonator
FR1082808A (en) * 1950-12-28 1955-01-03 Int Standard Electric Corp Tuning device for magnetron
US2934675A (en) * 1955-11-10 1960-04-26 Carlton G Lehr Magnetron tuning
FR2212634B1 (en) * 1972-12-29 1976-10-29 Thomson Csf
GB9002593D0 (en) * 1990-02-06 1990-10-17 Eev Ltd Magnetrons

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2167201A (en) * 1935-06-28 1939-07-25 Pintsch Julius Kg Electron tube
US2115521A (en) * 1936-04-30 1938-04-26 Telefunken Gmbh Magnetron
US2252118A (en) * 1936-06-18 1941-08-12 Pintsch Julius Kg Electron tube
US2270777A (en) * 1939-04-06 1942-01-20 Telefunken Gmbh Ultra short wave electron discharge device system
US2408234A (en) * 1941-11-26 1946-09-24 Raytheon Mfg Co Tunable magnetron
US2408235A (en) * 1941-12-31 1946-09-24 Raytheon Mfg Co High efficiency magnetron
US2408237A (en) * 1942-03-06 1946-09-24 Raytheon Mfg Co Tunable magnetron
US2408238A (en) * 1943-06-07 1946-09-24 Raytheon Mfg Co Space discharge device

Also Published As

Publication number Publication date
BE480796A (en)
US2424496A (en) 1947-07-22
GB644852A (en) 1950-10-18
FR955107A (en) 1950-01-10
GB631339A (en) 1949-11-01

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