BE474305A - - Google Patents

Info

Publication number
BE474305A
BE474305A BE474305DA BE474305A BE 474305 A BE474305 A BE 474305A BE 474305D A BE474305D A BE 474305DA BE 474305 A BE474305 A BE 474305A
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 BE474305A publication Critical patent/BE474305A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/063—Indirectly heated cathodes, e.g. by the discharge itself
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
BE474305D 1942-10-17 BE474305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US462342A US2372037A (en) 1942-10-17 1942-10-17 Thermionic device and means and method of fabrication

Publications (1)

Publication Number Publication Date
BE474305A true BE474305A (en)

Family

ID=23836088

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474305D BE474305A (en) 1942-10-17

Country Status (4)

Country Link
US (1) US2372037A (en)
BE (1) BE474305A (en)
FR (1) FR988431A (en)
GB (1) GB571709A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2507812A (en) * 1945-08-17 1950-05-16 Cossor Ltd A C Thermionic cathode
US2463372A (en) * 1945-10-03 1949-03-01 Jr Peter W Forsbergh Cathode structure for magnetrons
US2498775A (en) * 1948-01-16 1950-02-28 Westinghouse Electric Corp Cathode construction
US2677787A (en) * 1950-05-08 1954-05-04 Charles V Litton Electron discharge device cathode assembly
US2740916A (en) * 1954-09-01 1956-04-03 Garner J Hooper Vacuum tube with replacement filaments

Also Published As

Publication number Publication date
US2372037A (en) 1945-03-20
FR988431A (en) 1951-08-27
GB571709A (en) 1945-09-05

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