JPS57187844A - Magnetic focusing crt - Google Patents

Magnetic focusing crt

Info

Publication number
JPS57187844A
JPS57187844A JP7226781A JP7226781A JPS57187844A JP S57187844 A JPS57187844 A JP S57187844A JP 7226781 A JP7226781 A JP 7226781A JP 7226781 A JP7226781 A JP 7226781A JP S57187844 A JPS57187844 A JP S57187844A
Authority
JP
Japan
Prior art keywords
permanent magnets
magnetic
shows
shaped
magnetic focusing
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.)
Granted
Application number
JP7226781A
Other languages
English (en)
Other versions
JPH0312421B2 (ja
Inventor
Taketoshi Shimoma
Kumio Fukuda
Masachika Inoue
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
Toshiba Corp
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
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 true JPS57187844A (en) 1982-11-18
JPH0312421B2 JPH0312421B2 (ja) 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 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59198641A (ja) * 1983-04-18 1984-11-10 ソシエテ・アノニム・ビデオカラ− 収差欠陥補正エレメントを有するカラ−テレビジヨン受像管と収差欠陥補正方法
US5006754A (en) * 1982-11-18 1991-04-09 U.S. Philips Corporation Color display tube with magnetic field shaping plates

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5006754A (en) * 1982-11-18 1991-04-09 U.S. Philips Corporation Color display tube with magnetic field shaping plates
JPS59198641A (ja) * 1983-04-18 1984-11-10 ソシエテ・アノニム・ビデオカラ− 収差欠陥補正エレメントを有するカラ−テレビジヨン受像管と収差欠陥補正方法

Also Published As

Publication number Publication date
JPH0312421B2 (ja) 1991-02-20

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