BE413564A - - Google Patents

Info

Publication number
BE413564A
BE413564A BE413564DA BE413564A BE 413564 A BE413564 A BE 413564A BE 413564D A BE413564D A BE 413564DA BE 413564 A BE413564 A BE 413564A
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 BE413564A publication Critical patent/BE413564A/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
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/22Heaters
BE413564D 1935-02-26 BE413564A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB613935A GB452054A (en) 1935-02-26 1935-02-26 Improvements in and relating to heater elements for indirectly heated thermionic cathodes

Publications (1)

Publication Number Publication Date
BE413564A true BE413564A (en:Method)

Family

ID=9809130

Family Applications (1)

Application Number Title Priority Date Filing Date
BE413564D BE413564A (en:Method) 1935-02-26

Country Status (3)

Country Link
BE (1) BE413564A (en:Method)
FR (1) FR801403A (en:Method)
GB (1) GB452054A (en:Method)

Also Published As

Publication number Publication date
GB452054A (en) 1936-08-17
FR801403A (fr) 1936-08-04

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