FR1086226A - Improvements to cathode-ray tube devices - Google Patents

Improvements to cathode-ray tube devices

Info

Publication number
FR1086226A
FR1086226A FR1086226DA FR1086226A FR 1086226 A FR1086226 A FR 1086226A FR 1086226D A FR1086226D A FR 1086226DA FR 1086226 A FR1086226 A FR 1086226A
Authority
FR
France
Prior art keywords
cathode
ray tube
tube devices
devices
ray
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
French (fr)
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.)
Cinema Television Ltd
Original Assignee
Cinema Television Ltd
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 Cinema Television Ltd filed Critical Cinema Television Ltd
Application granted granted Critical
Publication of FR1086226A publication Critical patent/FR1086226A/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
FR1086226D 1952-11-20 1953-11-04 Improvements to cathode-ray tube devices Expired FR1086226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2932352A GB731180A (en) 1952-11-20 1952-11-20 Improvements in or relating to cathode ray tube apparatus

Publications (1)

Publication Number Publication Date
FR1086226A true FR1086226A (en) 1955-02-10

Family

ID=10289739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1086226D Expired FR1086226A (en) 1952-11-20 1953-11-04 Improvements to cathode-ray tube devices

Country Status (2)

Country Link
FR (1) FR1086226A (en)
GB (1) GB731180A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0249294A1 (en) * 1986-06-11 1987-12-16 Koninklijke Philips Electronics N.V. Cathode ray tube including a magnetic focusing lens
EP0250027A1 (en) * 1986-06-11 1987-12-23 Koninklijke Philips Electronics N.V. Cathode ray tube having a magnetic focusing lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0249294A1 (en) * 1986-06-11 1987-12-16 Koninklijke Philips Electronics N.V. Cathode ray tube including a magnetic focusing lens
EP0250027A1 (en) * 1986-06-11 1987-12-23 Koninklijke Philips Electronics N.V. Cathode ray tube having a magnetic focusing lens

Also Published As

Publication number Publication date
GB731180A (en) 1955-06-01

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