BE428235A - - Google Patents

Info

Publication number
BE428235A
BE428235A BE428235DA BE428235A BE 428235 A BE428235 A BE 428235A BE 428235D A BE428235D A BE 428235DA BE 428235 A BE428235 A BE 428235A
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 BE428235A publication Critical patent/BE428235A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
BE428235D 1937-05-24 BE428235A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE838371X 1937-05-24

Publications (1)

Publication Number Publication Date
BE428235A true BE428235A (enrdf_load_stackoverflow)

Family

ID=6761640

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428235D BE428235A (enrdf_load_stackoverflow) 1937-05-24

Country Status (2)

Country Link
BE (1) BE428235A (enrdf_load_stackoverflow)
FR (1) FR838371A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
FR838371A (fr) 1939-03-03

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