JPS56156633A - Manufacture and manufacturing device for color picture tube - Google Patents

Manufacture and manufacturing device for color picture tube

Info

Publication number
JPS56156633A
JPS56156633A JP5995680A JP5995680A JPS56156633A JP S56156633 A JPS56156633 A JP S56156633A JP 5995680 A JP5995680 A JP 5995680A JP 5995680 A JP5995680 A JP 5995680A JP S56156633 A JPS56156633 A JP S56156633A
Authority
JP
Japan
Prior art keywords
regulator
magnet structure
deltax
convergence
permanent magnet
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.)
Pending
Application number
JP5995680A
Other languages
Japanese (ja)
Inventor
Shigeo Takenaka
Katsue Morohashi
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 JP5995680A priority Critical patent/JPS56156633A/en
Publication of JPS56156633A publication Critical patent/JPS56156633A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/44—Factory adjustment of completed discharge tubes or lamps to comply with desired tolerances

Abstract

PURPOSE:To quicken the convergence into the predetermined magnetization by magnetizing a permanent magnetizable magnet structure provided on the inside or outside of neck under such condition where the bias field is provided by a convergence and color purity regulator for producing the static field. CONSTITUTION:A magnetizable permanent magnet structure 11 is provided on the tip of an electron gun 6 mounted in the neck section 5 of a color picture tube while surrounding the electron beam. Furthermore a convergence/color purity regulator 12 and an auxiliary regulator 13 are provided in the position of the permanent magnet structure 11 on the outside of the neck section 5. At first the permanent magnet structure 11 is saturated by the regulator 12 then it is demagnetized to adjust the three electron beams to an interval DELTAx not convergable due to the cause such as the accuracy in the detection system. Then the interval is adjusted by the auxiliary regulator 13 to x+DELTAx, thereafter it is further demagnetized by DELTAx by the regulator 12 and the auxiliary regulator 13 is removed. Consequently it is quickly converged to the optimal amount of magnetization.
JP5995680A 1980-05-08 1980-05-08 Manufacture and manufacturing device for color picture tube Pending JPS56156633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5995680A JPS56156633A (en) 1980-05-08 1980-05-08 Manufacture and manufacturing device for color picture tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5995680A JPS56156633A (en) 1980-05-08 1980-05-08 Manufacture and manufacturing device for color picture tube

Publications (1)

Publication Number Publication Date
JPS56156633A true JPS56156633A (en) 1981-12-03

Family

ID=13128103

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5995680A Pending JPS56156633A (en) 1980-05-08 1980-05-08 Manufacture and manufacturing device for color picture tube

Country Status (1)

Country Link
JP (1) JPS56156633A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0123612A2 (en) * 1983-04-26 1984-10-31 THOMSON TUBES & DISPLAYS SA Apparatus for speedily adjusting the static convergence and the purity in a colour television tube by making use of a permanent magnet
JPS6196633A (en) * 1984-10-12 1986-05-15 エヌ・ベー・フイリツプス・フルーイランペンフアブリケン Method and apparatus for manufacturing color picture tube
US5004352A (en) * 1987-05-25 1991-04-02 Mitsubishi Jukogyo Kabushiki Kaisha Plasticizing screw

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0123612A2 (en) * 1983-04-26 1984-10-31 THOMSON TUBES & DISPLAYS SA Apparatus for speedily adjusting the static convergence and the purity in a colour television tube by making use of a permanent magnet
JPS6196633A (en) * 1984-10-12 1986-05-15 エヌ・ベー・フイリツプス・フルーイランペンフアブリケン Method and apparatus for manufacturing color picture tube
US5004352A (en) * 1987-05-25 1991-04-02 Mitsubishi Jukogyo Kabushiki Kaisha Plasticizing screw

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