JPH0312421B2 - - Google Patents

Info

Publication number
JPH0312421B2
JPH0312421B2 JP7226781A JP7226781A JPH0312421B2 JP H0312421 B2 JPH0312421 B2 JP H0312421B2 JP 7226781 A JP7226781 A JP 7226781A JP 7226781 A JP7226781 A JP 7226781A JP H0312421 B2 JPH0312421 B2 JP H0312421B2
Authority
JP
Japan
Prior art keywords
permanent magnet
cathode ray
ray tube
electron
magnetic field
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
JP7226781A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57187844A (en
Inventor
Taketoshi Shimoma
Kumio Fukuda
Masachika Inoe
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.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co 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 Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Priority to JP7226781A priority Critical patent/JPS57187844A/ja
Publication of JPS57187844A publication Critical patent/JPS57187844A/ja
Publication of JPH0312421B2 publication Critical patent/JPH0312421B2/ja
Granted 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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/64—Magnetic lenses
    • H01J29/68—Magnetic lenses using permanent magnets only
JP7226781A 1981-05-15 1981-05-15 Magnetic focusing crt Granted JPS57187844A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7226781A JPS57187844A (en) 1981-05-15 1981-05-15 Magnetic focusing crt

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7226781A JPS57187844A (en) 1981-05-15 1981-05-15 Magnetic focusing crt

Publications (2)

Publication Number Publication Date
JPS57187844A JPS57187844A (en) 1982-11-18
JPH0312421B2 true JPH0312421B2 (ru) 1991-02-20

Family

ID=13484331

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7226781A Granted JPS57187844A (en) 1981-05-15 1981-05-15 Magnetic focusing crt

Country Status (1)

Country Link
JP (1) JPS57187844A (ru)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8204465A (nl) * 1982-11-18 1984-06-18 Philips Nv Kleurenbeeldbuis.
FR2544548B1 (fr) * 1983-04-18 1985-12-27 Videocolor Sa Tube de television en couleurs a correction de defauts de coma de faible amplitude

Also Published As

Publication number Publication date
JPS57187844A (en) 1982-11-18

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