FR943339A - Improvements to magnetrons - Google Patents

Improvements to magnetrons

Info

Publication number
FR943339A
FR943339A FR943339DA FR943339A FR 943339 A FR943339 A FR 943339A FR 943339D A FR943339D A FR 943339DA FR 943339 A FR943339 A FR 943339A
Authority
FR
France
Prior art keywords
magnetrons
improvements
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.)
RCA Corp
Original Assignee
RCA 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
Priority to US654934A priority Critical patent/US2592206A/en
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of FR943339A publication Critical patent/FR943339A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/50Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field
    • H01J25/52Magnetrons, 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
    • H01J25/58Magnetrons, 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
    • H01J25/587Multi-cavity magnetrons
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02Electrodes; Magnetic control means; Screens
    • H01J23/04Cathodes
    • H01J23/05Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
FR943339D 1946-03-16 1947-03-15 Improvements to magnetrons Expired FR943339A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US654934A US2592206A (en) 1946-03-16 1946-03-16 Magnetron

Publications (1)

Publication Number Publication Date
FR943339A true FR943339A (en) 1949-03-04

Family

ID=24626812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR943339D Expired FR943339A (en) 1946-03-16 1947-03-15 Improvements to magnetrons

Country Status (5)

Country Link
US (1) US2592206A (en)
BE (1) BE471896A (en)
FR (1) FR943339A (en)
GB (1) GB640255A (en)
NL (1) NL67823C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2784346A (en) * 1950-01-28 1957-03-05 Rca Corp Electron discharge device
NL171019B (en) * 1951-07-12 Consiglio Nazionale Ricerche Membranes for reverse osmosis.
US2992360A (en) * 1953-05-13 1961-07-11 Csf Suppressor device for the secondary emission current in magnetic field electronic tubes
US2869031A (en) * 1955-03-01 1959-01-13 Brett Herbert Cathode
US3315121A (en) * 1961-04-27 1967-04-18 Gen Electric Crossed-field electric discharge device
GB1009870A (en) * 1961-04-27 1965-11-17 Gen Electric Crossed-field electric discharge tube
US3413516A (en) * 1965-08-30 1968-11-26 Gen Electric Crossed-field discharge devices and oscillators and amplifiers incorporating the same
US3458753A (en) * 1965-08-30 1969-07-29 Gen Electric Crossed-field discharge devices and couplers therefor and oscillators and amplifiers incorporating the same
GB2029632B (en) * 1978-09-02 1982-08-11 English Electric Valve Co Ltd Magnetrons
JPH0760641B2 (en) * 1985-02-06 1995-06-28 新日本無線株式会社 Magnetron cathode
JP4286406B2 (en) * 1999-02-10 2009-07-01 新日本無線株式会社 Magnetron cathode

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2032179A (en) * 1933-04-12 1936-02-25 Westinghouse Electric & Mfg Co Oxide coated cathode for heavy duty service
US2130280A (en) * 1933-04-12 1938-09-13 Telefunken Gmbh Electron discharge tube
NL43310C (en) * 1934-12-29
US2225259A (en) * 1937-06-28 1940-12-17 Julius Pintsch Kommandit Ges Ultra-high-frequency generator
DE699482C (en) * 1937-08-24 1940-11-29 Telefunken Gmbh Magnetfeldroehre with located outside of the anode cylinder electron sources
US2138918A (en) * 1938-03-24 1938-12-06 Rca Corp Cathode
US2358542A (en) * 1940-07-26 1944-09-19 Rca Corp Currentless grid tube
US2411601A (en) * 1941-09-30 1946-11-26 Raytheon Mfg Co Electronic discharge device
US2409038A (en) * 1942-12-31 1946-10-08 Rca Corp Magnetron and circuit therefor

Also Published As

Publication number Publication date
GB640255A (en) 1950-07-19
BE471896A (en)
NL67823C (en)
US2592206A (en) 1952-04-08

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