BE474423A - - Google Patents

Info

Publication number
BE474423A
BE474423A BE474423DA BE474423A BE 474423 A BE474423 A BE 474423A BE 474423D A BE474423D A BE 474423DA BE 474423 A BE474423 A BE 474423A
Authority
BE
Belgium
Application number
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.)
Publication of BE474423A publication Critical patent/BE474423A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/30—Cold cathodes, e.g. field-emissive cathode
    • H01J1/304—Field-emissive cathodes
    • 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
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/04—Cathodes
    • H01J23/05—Cathodes having a cylindrical emissive surface, e.g. cathodes for magnetrons
    • 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
BE474423D 1946-03-28 BE474423A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US657716A US2513933A (en) 1946-03-28 1946-03-28 Cold cathode magnetron

Publications (1)

Publication Number Publication Date
BE474423A true BE474423A (fr)

Family

ID=24638380

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474423D BE474423A (fr) 1946-03-28

Country Status (4)

Country Link
US (1) US2513933A (fr)
BE (1) BE474423A (fr)
FR (1) FR943296A (fr)
GB (1) GB627343A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2782342A (en) * 1947-07-01 1957-02-19 Rca Corp Magnetron
US2691758A (en) * 1951-01-26 1954-10-12 Israel R Senitzky Method of measuring pressure with a magnetron
US2633556A (en) * 1951-08-02 1953-03-31 Beverly D Kumpfer Millimeter wave generator
US2813992A (en) * 1952-11-29 1957-11-19 Rca Corp Gas discharge device utilizing controlled electron trapping
US2869031A (en) * 1955-03-01 1959-01-13 Brett Herbert Cathode
US3091719A (en) * 1959-04-14 1963-05-28 Field Emission Corp Microwave transducer
US4104559A (en) * 1976-11-01 1978-08-01 Microwave Associates, Inc. Isopolar magnetron supported with rigid insulation in a remote housing
GB2238903B (en) * 1989-12-08 1994-10-19 Eev Ltd Magnetrons
US5159241A (en) * 1990-10-25 1992-10-27 General Dynamics Corporation Air Defense Systems Division Single body relativistic magnetron
IL106905A (en) * 1993-09-03 1997-01-10 Israel State Magnetron construction particularly useful as a relativistic magnetron
US6686696B2 (en) * 2001-03-08 2004-02-03 Genvac Aerospace Corporation Magnetron with diamond coated cathode

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1309704A (en) * 1919-07-15 stoekle
US1279850A (en) * 1913-05-06 1918-09-24 William Dubilier Wireless apparatus and method therefor.
US1230004A (en) * 1915-09-18 1917-06-12 Gen Electric Incandescent cathode device.
US1577846A (en) * 1918-12-27 1926-03-23 Western Electric Co Electric space discharge device and method of operating the same
DE390479C (de) * 1919-12-12 1924-02-19 Julius Edgar Lilienfeld Dr Hochvakuumroehre, insbesondere Roentgenroehre, Ventilroehre, Senderoehre oder Verstaerkungsroehre
US1565659A (en) * 1921-09-03 1925-12-15 Julius E Lilienfeld High-vacuum device for influencing currents
US1661579A (en) * 1922-07-28 1928-03-06 Cooper Hewitt Electric Co Bulb rectifier
US1705377A (en) * 1922-08-08 1929-03-12 Vickers Electrical Co Ltd Thermionic device
US1863702A (en) * 1926-04-12 1932-06-21 Raytheon Inc Gaseous conduction method and apparatus
US1930088A (en) * 1929-01-03 1933-10-10 Gen Electric Vapor Lamp Co Electrical discharge device
US1984877A (en) * 1930-11-21 1934-12-18 Telefunken Gmbh Gaseous discharge amplifier tube
US1986894A (en) * 1931-07-22 1935-01-08 Radio Res Lab Inc Nonregenerative system and method of operating the same
US1965589A (en) * 1932-10-11 1934-07-10 Gen Electric Vapor Lamp Co Gaseous electric discharge device and method of making the same
US2163157A (en) * 1937-07-22 1939-06-20 Bell Telephone Labor Inc Electron discharge apparatus
US2293468A (en) * 1939-09-16 1942-08-18 Univ Illinois Cold cathode rectifier
US2409716A (en) * 1941-09-27 1946-10-22 Westinghouse Electric Corp High-voltage discharge device
US2406276A (en) * 1942-11-13 1946-08-20 Gen Electric Electric discharge device
US2456896A (en) * 1944-08-08 1948-12-21 Westinghouse Electric Corp Ultra high frequency device

Also Published As

Publication number Publication date
FR943296A (fr) 1949-03-03
GB627343A (en) 1949-08-08
US2513933A (en) 1950-07-04

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