NL34018C - - Google Patents

Info

Publication number
NL34018C
NL34018C NL34018DA NL34018C NL 34018 C NL34018 C NL 34018C NL 34018D A NL34018D A NL 34018DA NL 34018 C NL34018 C NL 34018C
Authority
NL
Netherlands
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 NL34018C publication Critical patent/NL34018C/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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00Gas-filled discharge tubes with solid cathode
    • H01J17/02Details
    • H01J17/04Electrodes; Screens
    • H01J17/06Cathodes
NL34018D 1930-11-29 NL34018C (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE718620X 1930-11-29

Publications (1)

Publication Number Publication Date
NL34018C true NL34018C (en:Method)

Family

ID=6626996

Family Applications (1)

Application Number Title Priority Date Filing Date
NL34018D NL34018C (en:Method) 1930-11-29

Country Status (2)

Country Link
FR (1) FR718620A (en:Method)
NL (1) NL34018C (en:Method)

Also Published As

Publication number Publication date
FR718620A (fr) 1932-01-27

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