BE495703A - - Google Patents

Info

Publication number
BE495703A
BE495703A BE495703DA BE495703A BE 495703 A BE495703 A BE 495703A BE 495703D A BE495703D A BE 495703DA BE 495703 A BE495703 A BE 495703A
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 BE495703A publication Critical patent/BE495703A/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
BE495703D 1949-05-14 BE495703A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL287008X 1949-05-14

Publications (1)

Publication Number Publication Date
BE495703A true BE495703A (fr)

Family

ID=19782567

Family Applications (1)

Application Number Title Priority Date Filing Date
BE495703D BE495703A (fr) 1949-05-14

Country Status (6)

Country Link
BE (1) BE495703A (fr)
CH (1) CH287008A (fr)
DE (1) DE820322C (fr)
FR (1) FR1017656A (fr)
GB (1) GB683491A (fr)
NL (2) NL73499C (fr)

Also Published As

Publication number Publication date
NL146459B (nl)
NL73499C (fr)
GB683491A (en) 1952-11-26
FR1017656A (fr) 1952-12-17
CH287008A (de) 1952-11-15
DE820322C (de) 1951-11-08

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