BE473991A - - Google Patents

Info

Publication number
BE473991A
BE473991A BE473991DA BE473991A BE 473991 A BE473991 A BE 473991A BE 473991D A BE473991D A BE 473991DA BE 473991 A BE473991 A BE 473991A
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 BE473991A publication Critical patent/BE473991A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/15Cathodes heated directly by an electric current
    • H01J1/16Cathodes heated directly by an electric current characterised by the shape
BE473991D 1941-06-24 BE473991A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US399454A US2283896A (en) 1941-06-24 1941-06-24 Cathode structure

Publications (1)

Publication Number Publication Date
BE473991A true BE473991A (ko)

Family

ID=23579565

Family Applications (1)

Application Number Title Priority Date Filing Date
BE473991D BE473991A (ko) 1941-06-24

Country Status (4)

Country Link
US (1) US2283896A (ko)
BE (1) BE473991A (ko)
FR (1) FR947719A (ko)
GB (1) GB556505A (ko)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2515361A (en) * 1946-12-13 1950-07-18 Bell Telephone Labor Inc Electric discharge device
US2662990A (en) * 1950-09-21 1953-12-15 Collins Radio Co Resnatron filament basket
US2720608A (en) * 1951-03-13 1955-10-11 Wihtol Weltis Cathodes for electron tubes
US2693544A (en) * 1951-12-14 1954-11-02 Collins Radio Co Resnatron filament basket
US2892120A (en) * 1954-10-22 1959-06-23 Gen Electric Cathode structure
DE1133041B (de) * 1954-10-22 1962-07-12 Gen Electric Verfahren zur Herstellung eines aus einer duennen Folie bestehenden Heizers oder Kathodenkoerpers fuer eine mit Hochfrequenz geheizte Roehre und der nach dem Verfahren hergestellte Heizer oder Kathodenkoerper
US2998544A (en) * 1958-02-28 1961-08-29 Litton Electron Tube Corp Magnetron cathode
US3197669A (en) * 1961-05-12 1965-07-27 Welding Research Inc Electron emitting element for electron gun
US4760306A (en) * 1983-06-10 1988-07-26 The United States Of America As Represented By The United States Department Of Energy Electron emitting filaments for electron discharge devices

Also Published As

Publication number Publication date
GB556505A (en) 1943-10-07
US2283896A (en) 1942-05-19
FR947719A (fr) 1949-07-11

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