BE513397A - - Google Patents

Info

Publication number
BE513397A
BE513397A BE513397DA BE513397A BE 513397 A BE513397 A BE 513397A BE 513397D A BE513397D A BE 513397DA BE 513397 A BE513397 A BE 513397A
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 BE513397A publication Critical patent/BE513397A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58Arrangements for focusing or reflecting ray or beam
    • H01J29/62Electrostatic lenses
    • H01J29/622Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
BE513397D 1951-08-09 BE513397A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1061322X 1951-08-09

Publications (1)

Publication Number Publication Date
BE513397A true BE513397A (en:Method)

Family

ID=19868112

Family Applications (1)

Application Number Title Priority Date Filing Date
BE513397D BE513397A (en:Method) 1951-08-09

Country Status (2)

Country Link
BE (1) BE513397A (en:Method)
FR (1) FR1061322A (en:Method)

Also Published As

Publication number Publication date
FR1061322A (fr) 1954-04-12

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