FR871623A - Tube à rayons cathodiques à concentration magnétique - Google Patents

Tube à rayons cathodiques à concentration magnétique

Info

Publication number
FR871623A
FR871623A FR871623DA FR871623A FR 871623 A FR871623 A FR 871623A FR 871623D A FR871623D A FR 871623DA FR 871623 A FR871623 A FR 871623A
Authority
FR
France
Prior art keywords
ray tube
cathode ray
magnetic concentration
concentration cathode
magnetic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR871623A publication Critical patent/FR871623A/fr
Expired legal-status Critical Current

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
FR871623D 1940-03-09 1941-04-18 Tube à rayons cathodiques à concentration magnétique Expired FR871623A (fr)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
FR871623A true FR871623A (fr) 1942-05-02

Family

ID=19779249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871623D Expired FR871623A (fr) 1940-03-09 1941-04-18 Tube à rayons cathodiques à concentration magnétique

Country Status (5)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE948787C (de) * 1951-06-21 1956-09-06 Max Grundig Elektronenoptische Bandbreitenregelung fuer punktweise wiedergegebene Fernsehbilder
BE620211A (fr) * 1961-08-23
DE1200958B (de) * 1962-02-10 1965-09-16 Koerting Radio Werke G M B H Elektronenstrahlroehre mit einer astigmatischen, magnetischen Sammellinse zur Unterdrueckung der Zeilenstruktur
DE1215820B (de) * 1962-08-31 1966-05-05 Telefunken Patent Kathodenstrahlroehre mit einem aus mehreren Elektroden bestehenden Strahlerzeugungssystem

Also Published As

Publication number Publication date
GB550090A (en) 1942-12-22
GB597469A (en) 1948-01-27
NL59170C (fr)
CH219292A (de) 1942-01-31
BE440890A (fr)

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