BE428489A - - Google Patents

Info

Publication number
BE428489A
BE428489A BE428489DA BE428489A BE 428489 A BE428489 A BE 428489A BE 428489D A BE428489D A BE 428489DA BE 428489 A BE428489 A BE 428489A
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 BE428489A publication Critical patent/BE428489A/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
BE428489D 1937-06-08 BE428489A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL7413D DE1019343B (en) 1937-06-08 1937-06-08 Cathode ray tubes for television use

Publications (1)

Publication Number Publication Date
BE428489A true BE428489A (en)

Family

ID=7257248

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428489D BE428489A (en) 1937-06-08

Country Status (3)

Country Link
BE (1) BE428489A (en)
DE (1) DE1019343B (en)
FR (1) FR49602E (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5743972B1 (en) * 1971-02-05 1982-09-18
JPS5480666A (en) * 1977-12-09 1979-06-27 Mitsubishi Electric Corp Electron gun

Also Published As

Publication number Publication date
DE1019343B (en) 1957-11-14
FR49602E (en) 1939-05-16

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