CH219292A - Cathode ray tube with magnetic focusing. - Google Patents

Cathode ray tube with magnetic focusing.

Info

Publication number
CH219292A
CH219292A CH219292DA CH219292A CH 219292 A CH219292 A CH 219292A CH 219292D A CH219292D A CH 219292DA CH 219292 A CH219292 A CH 219292A
Authority
CH
Switzerland
Prior art keywords
ray tube
cathode ray
magnetic focusing
focusing
magnetic
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH219292A publication Critical patent/CH219292A/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
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
CH219292D 1940-03-09 1941-04-15 Cathode ray tube with magnetic focusing. CH219292A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL219292X 1940-03-09

Publications (1)

Publication Number Publication Date
CH219292A true CH219292A (en) 1942-01-31

Family

ID=19779249

Family Applications (1)

Application Number Title Priority Date Filing Date
CH219292D CH219292A (en) 1940-03-09 1941-04-15 Cathode ray tube with magnetic focusing.

Country Status (5)

Country Link
BE (1) BE440890A (en)
CH (1) CH219292A (en)
FR (1) FR871623A (en)
GB (2) GB550090A (en)
NL (1) NL59170C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1163985B (en) * 1961-08-23 1964-02-27 Telefunken Patent Magnetic electron lens to reduce the line structure in television receivers
DE1200958B (en) * 1962-02-10 1965-09-16 Koerting Radio Werke G M B H Electron beam tube with an astigmatic, magnetic collecting lens to suppress the line structure
DE1215820B (en) * 1962-08-31 1966-05-05 Telefunken Patent Cathode ray tube with a multi-electrode beam generation system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE948787C (en) * 1951-06-21 1956-09-06 Max Grundig Electron-optical bandwidth control for television pictures reproduced point by point

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1163985B (en) * 1961-08-23 1964-02-27 Telefunken Patent Magnetic electron lens to reduce the line structure in television receivers
DE1200958B (en) * 1962-02-10 1965-09-16 Koerting Radio Werke G M B H Electron beam tube with an astigmatic, magnetic collecting lens to suppress the line structure
DE1215820B (en) * 1962-08-31 1966-05-05 Telefunken Patent Cathode ray tube with a multi-electrode beam generation system

Also Published As

Publication number Publication date
GB550090A (en) 1942-12-22
BE440890A (en)
FR871623A (en) 1942-05-02
GB597469A (en) 1948-01-27
NL59170C (en)

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