CH331020A - Cathode ray tubes, in particular picture tubes for television reception purposes - Google Patents

Cathode ray tubes, in particular picture tubes for television reception purposes

Info

Publication number
CH331020A
CH331020A CH331020DA CH331020A CH 331020 A CH331020 A CH 331020A CH 331020D A CH331020D A CH 331020DA CH 331020 A CH331020 A CH 331020A
Authority
CH
Switzerland
Prior art keywords
tubes
cathode ray
television reception
particular picture
reception purposes
Prior art date
Application number
Other languages
German (de)
Inventor
Eberhard Dr Gundert
Original Assignee
Telefunken Gmbh
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
Application filed by Telefunken Gmbh filed Critical Telefunken Gmbh
Publication of CH331020A publication Critical patent/CH331020A/en

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
CH331020D 1953-11-13 1954-10-20 Cathode ray tubes, in particular picture tubes for television reception purposes CH331020A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE331020X 1953-11-13

Publications (1)

Publication Number Publication Date
CH331020A true CH331020A (en) 1958-06-30

Family

ID=6194185

Family Applications (1)

Application Number Title Priority Date Filing Date
CH331020D CH331020A (en) 1953-11-13 1954-10-20 Cathode ray tubes, in particular picture tubes for television reception purposes

Country Status (5)

Country Link
BE (1) BE532870A (en)
CH (1) CH331020A (en)
FR (1) FR1147028A (en)
GB (1) GB798257A (en)
NL (1) NL184331B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR940003242Y1 (en) * 1991-07-10 1994-05-16 삼성전관 주식회사 Cathode-ray tube
US6683414B2 (en) * 2001-10-25 2004-01-27 Northrop Grumman Corporation Ion-shielded focusing method for high-density electron beams generated by planar cold cathode electron emitters

Also Published As

Publication number Publication date
GB798257A (en) 1958-07-16
BE532870A (en)
NL184331B (en)
FR1147028A (en) 1957-11-18

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