BE727440A - - Google Patents

Info

Publication number
BE727440A
BE727440A BE727440DA BE727440A BE 727440 A BE727440 A BE 727440A BE 727440D A BE727440D A BE 727440DA BE 727440 A BE727440 A BE 727440A
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.)
Filing date
Publication date
Priority claimed from DE19681639433 external-priority patent/DE1639433A1/de
Application filed filed Critical
Publication of BE727440A publication Critical patent/BE727440A/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
BE727440D 1968-01-26 1969-01-27 BE727440A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681639433 DE1639433A1 (de) 1968-01-26 1968-01-26 Wendelfoermige Kathode fuer Elektronenstrahlroehren

Publications (1)

Publication Number Publication Date
BE727440A true BE727440A (fr) 1969-07-28

Family

ID=5684013

Family Applications (1)

Application Number Title Priority Date Filing Date
BE727440D BE727440A (fr) 1968-01-26 1969-01-27

Country Status (3)

Country Link
BE (1) BE727440A (fr)
ES (1) ES362945A1 (fr)
FR (1) FR2000799A1 (fr)

Also Published As

Publication number Publication date
ES362945A1 (es) 1970-12-01
FR2000799A1 (fr) 1969-09-12

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