GB550090A - Improvements in or relating to cathode-ray tubes with magnetic concentration - Google Patents

Improvements in or relating to cathode-ray tubes with magnetic concentration

Info

Publication number
GB550090A
GB550090A GB11660/41A GB1166041A GB550090A GB 550090 A GB550090 A GB 550090A GB 11660/41 A GB11660/41 A GB 11660/41A GB 1166041 A GB1166041 A GB 1166041A GB 550090 A GB550090 A GB 550090A
Authority
GB
United Kingdom
Prior art keywords
cathode
relating
ray tubes
magnetic concentration
concentration
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
GB11660/41A
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
Publication of GB550090A publication Critical patent/GB550090A/en
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
GB11660/41A 1940-03-09 1941-09-11 Improvements in or relating to cathode-ray tubes with magnetic concentration Expired GB550090A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB550090A true GB550090A (en) 1942-12-22

Family

ID=19779249

Family Applications (2)

Application Number Title Priority Date Filing Date
GB11660/41A Expired GB550090A (en) 1940-03-09 1941-09-11 Improvements in or relating to cathode-ray tubes with magnetic concentration
GB21305/45A Expired GB597469A (en) 1940-03-09 1945-08-21 Improvements in or relating to cathode-ray tubes

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB21305/45A Expired GB597469A (en) 1940-03-09 1945-08-21 Improvements in or relating to cathode-ray tubes

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)

Cited By (1)

* 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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* 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

Also Published As

Publication number Publication date
FR871623A (fr) 1942-05-02
GB597469A (en) 1948-01-27
NL59170C (fr)
CH219292A (de) 1942-01-31
BE440890A (fr)

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