KR880003376A - 환형 철심 절단방법 및 편향 유닛 - Google Patents

환형 철심 절단방법 및 편향 유닛 Download PDF

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Publication number
KR880003376A
KR880003376A KR1019870008394A KR870008394A KR880003376A KR 880003376 A KR880003376 A KR 880003376A KR 1019870008394 A KR1019870008394 A KR 1019870008394A KR 870008394 A KR870008394 A KR 870008394A KR 880003376 A KR880003376 A KR 880003376A
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KR
South Korea
Prior art keywords
iron core
deflection unit
series
annular iron
recesses
Prior art date
Application number
KR1019870008394A
Other languages
English (en)
Other versions
KR950011845B1 (ko
Inventor
요세프 알렉산더 엘데르스 마리우스
얀 게오르그 아브링 흐 프레드릭
Original Assignee
이반 밀러 레르너
엔.브이.필립스 글로 아이람펜파브 리켄
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 이반 밀러 레르너, 엔.브이.필립스 글로 아이람펜파브 리켄 filed Critical 이반 밀러 레르너
Publication of KR880003376A publication Critical patent/KR880003376A/ko
Application granted granted Critical
Publication of KR950011845B1 publication Critical patent/KR950011845B1/ko

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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
    • H01J9/236—Manufacture of magnetic deflecting devices for cathode-ray tubes

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Magnetic Heads (AREA)
  • Laser Beam Processing (AREA)

Abstract

내용 없음

Description

환형 철심 절단방법 및 편향 유닛
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 절단되지 않은 환형 철심의 투시도.
제3도는 본 발명에 따른 방버의 실시예.
제4도는 본 발명의 방법에 따른 실시예에 의해 제공되는 복수의 리세스를 가진 환형 철심의 단면도.

Claims (5)

  1. 종축에 수직인 다수의 평면에서 측정되는 외부 직경이 다르게 되는 편향 유닛에서의 강자성 재질의 환형 철심을 절단하기 위한 방법에 있어서, 거의 근접된 일련의 리세스가 펄스형 레이저 빔에 의해 환형 철심상에 제공되며, 상기 일련의 리세스는 종축방향으로 연장되어 있는 두 대향 라인을 형성하며, 일련의 리세스가 제공된 후에 환형 철심이 두 부분으로 절단되게 하는 형태가 되도록 리세스가 제공되는 것을 특징으로 하는 환형 철심 철단방법.
  2. 제1항에 있어서, 리세스는 부분적으로 서로 오버랩되는 홀에 의해 형성되는 것을 특징으로 하는 환형 철심 절단 방법.
  3. 제1항 또는 2항에 있어서, 일련의 리셋스에 의해 형성되는 라인은 프로파일의 형태로 제공되는 것을 특징으로 하는 환형 철심 절단방법.
  4. 제1항 또는 2항에 있어서, 환형 철심은 2내지 4mm 의 벽 두께를 가지는 것을 특징으로 하는 환형 철심 절단방법.
  5. 제1,2,3 또는 4항의 방법에 따라 절단되는 환형 철심을 구비하는 것을 특징으로하는 텔레비젼 튜브용 편향 유닛.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870008394A 1986-08-06 1987-07-31 환형 철심 절단방법 및 편향 유닛 KR950011845B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8602006 1986-08-06
NL8602006A NL8602006A (nl) 1986-08-06 1986-08-06 Werkwijze voor het delen van een ringkern van ferromagnetisch materiaal voor een afbuigeenheid en afbuigeenheid voor een televisiebuis voorzien van een ringkern gedeeld volgens zulk een werkwijze.

Publications (2)

Publication Number Publication Date
KR880003376A true KR880003376A (ko) 1988-05-16
KR950011845B1 KR950011845B1 (ko) 1995-10-11

Family

ID=19848371

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870008394A KR950011845B1 (ko) 1986-08-06 1987-07-31 환형 철심 절단방법 및 편향 유닛

Country Status (6)

Country Link
US (1) US4933656A (ko)
EP (1) EP0256578B1 (ko)
JP (1) JP2541570B2 (ko)
KR (1) KR950011845B1 (ko)
DE (1) DE3777910D1 (ko)
NL (1) NL8602006A (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8800334A (nl) * 1988-02-11 1989-09-01 Philips Nv Werkwijze voor het in tweeen delen van een voorwerp vervaardigd van een bros materiaal in het bijzonder een ringkern van ferromagnetisch materiaal voor een afbuigeenheid voor een beeldbuis en afbuigeenheid voor een beeldbuis voorzien van een ringkern gedeeld volgens zulk een werkwijze.
CN1252790C (zh) * 2002-11-19 2006-04-19 Lg飞利浦显示器(韩国)株式会社 阴极射线管的偏转系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1224980A (en) * 1969-12-05 1971-03-10 Mullard Ltd A method and apparatus for splitting coil yokes and the like
NL8100787A (nl) * 1981-02-18 1982-09-16 Philips Nv Ferromagnetisch juk en een afbuigeenheid voor een televisieweergeefbuis voorzien van een dergelijk juk.
US4356376A (en) * 1981-05-13 1982-10-26 General Electric Company Pulse laser pretreated machining
JPS6022743U (ja) * 1983-07-22 1985-02-16 ティーディーケイ株式会社 偏向ヨ−ク用コア
US4590652A (en) * 1983-10-14 1986-05-27 Apx Group Inc. Method for fabricating an air gap pipe
FR2566691B1 (fr) * 1984-06-29 1986-11-07 Brandt Armements Procede d'usinage d'un reseau de prefragmentation et generateur d'eclats pour charge militaire explosive
JPS62110888A (ja) * 1985-11-11 1987-05-21 Toshiba Corp レ−ザ切断ヘツド
US4818840A (en) * 1987-12-14 1989-04-04 Dana Corporation Method of making an electromagnetic coupling disc

Also Published As

Publication number Publication date
JP2541570B2 (ja) 1996-10-09
EP0256578A1 (en) 1988-02-24
EP0256578B1 (en) 1992-04-01
JPS6345738A (ja) 1988-02-26
NL8602006A (nl) 1988-03-01
KR950011845B1 (ko) 1995-10-11
US4933656A (en) 1990-06-12
DE3777910D1 (de) 1992-05-07

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