JP2525437B2 - 陰極線管の周囲において磁界の強さを減少する装置 - Google Patents

陰極線管の周囲において磁界の強さを減少する装置

Info

Publication number
JP2525437B2
JP2525437B2 JP62501997A JP50199787A JP2525437B2 JP 2525437 B2 JP2525437 B2 JP 2525437B2 JP 62501997 A JP62501997 A JP 62501997A JP 50199787 A JP50199787 A JP 50199787A JP 2525437 B2 JP2525437 B2 JP 2525437B2
Authority
JP
Japan
Prior art keywords
magnetic field
compensation loop
ray tube
deflection coil
cathode 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 - Fee Related
Application number
JP62501997A
Other languages
English (en)
Japanese (ja)
Other versions
JPS63503106A (ja
Inventor
ロランド トーマス ウィルヘルム ヨハンソン
スティッグ アルネ ラーング
ヌッド マッドセン
Original Assignee
アイシーエル システムズ アクチーボラグ
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
Priority claimed from SE8601432A external-priority patent/SE457759B/sv
Priority claimed from SE8604221A external-priority patent/SE454826B/sv
Application filed by アイシーエル システムズ アクチーボラグ filed Critical アイシーエル システムズ アクチーボラグ
Publication of JPS63503106A publication Critical patent/JPS63503106A/ja
Application granted granted Critical
Publication of JP2525437B2 publication Critical patent/JP2525437B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01J29/003—Arrangements for eliminating unwanted electromagnetic effects, e.g. demagnetisation arrangements, shielding coils
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0015—Preventing or cancelling fields leaving the enclosure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/003—Preventing or cancelling fields entering the enclosure

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
  • Details Of Television Scanning (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
JP62501997A 1986-03-27 1987-03-05 陰極線管の周囲において磁界の強さを減少する装置 Expired - Fee Related JP2525437B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE8601432-1 1986-03-27
SE8601432A SE457759B (sv) 1986-03-27 1986-03-27 Anordning vid bildroer foer att reducera den magnetiska faeltstyrkan i bildroerets omgivning
SE8604221-5 1986-10-03
SE8604221A SE454826B (sv) 1986-10-03 1986-10-03 Anordning vid bildror for att reducera den magnetiska feltstyrkan i bildrorets omgivning

Publications (2)

Publication Number Publication Date
JPS63503106A JPS63503106A (ja) 1988-11-10
JP2525437B2 true JP2525437B2 (ja) 1996-08-21

Family

ID=26659305

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62501997A Expired - Fee Related JP2525437B2 (ja) 1986-03-27 1987-03-05 陰極線管の周囲において磁界の強さを減少する装置

Country Status (12)

Country Link
US (1) US4851737A (US06491871-20021210-M00007.png)
EP (1) EP0260311B1 (US06491871-20021210-M00007.png)
JP (1) JP2525437B2 (US06491871-20021210-M00007.png)
CN (1) CN1007303B (US06491871-20021210-M00007.png)
AU (1) AU594145B2 (US06491871-20021210-M00007.png)
CA (1) CA1281362C (US06491871-20021210-M00007.png)
DK (1) DK166056C (US06491871-20021210-M00007.png)
ES (1) ES2003240A6 (US06491871-20021210-M00007.png)
FI (1) FI84864C (US06491871-20021210-M00007.png)
IE (1) IE59959B1 (US06491871-20021210-M00007.png)
IN (1) IN167955B (US06491871-20021210-M00007.png)
WO (1) WO1987006054A1 (US06491871-20021210-M00007.png)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8700449A (nl) * 1987-02-24 1988-09-16 Philips Nv Beeldweergeefinrichting met middelen voor het compenseren van lijnstrooivelden.
US4853588A (en) * 1986-09-05 1989-08-01 Denki Onkyo Co., Ltd. Deflection yoke apparatus with means for reducing unwanted radiation
WO1988006346A1 (en) * 1987-02-19 1988-08-25 Hantarex Spa Device for limiting the magnetic emission in cathode ray tube monitors
GB8806230D0 (en) * 1988-03-16 1988-04-13 Vistek Electronics Ltd Display arrangement
GB2223649A (en) * 1988-07-27 1990-04-11 Peter Thompson Wright A screen for an electromagnetic field
JP2676018B2 (ja) * 1988-12-19 1997-11-12 株式会社日立製作所 偏向ヨーク，偏向ヨーク用補助コイル及び画像表示装置
US5189348A (en) * 1989-06-09 1993-02-23 Kabushiki Kaisha Toshiba Cathode ray tube apparatus intended to reduce magnetic fluxes leaked outside the apparatus
KR930000354B1 (ko) * 1989-08-31 1993-01-16 가부시끼가이샤 도시바 누설자속을 경감할 수 있는 음극선관장치
US5350973A (en) * 1989-08-31 1994-09-27 Kabushiki Kaisha Toshiba Cathode-ray tube apparatus having a reduced leak of magnetic fluxes
US4996461A (en) * 1989-09-07 1991-02-26 Hughes Aircraft Company Closed loop bucking field system
JPH0724773Y2 (ja) * 1990-04-28 1995-06-05 東京特殊電線株式会社 偏向ヨーク
CN1040934C (zh) * 1991-07-18 1998-11-25 东芝株式会社 阴极射线管图像显示装置
US5399939A (en) * 1992-01-03 1995-03-21 Environmental Services & Products, Inc. Magnetic shield with cathode ray tube standoff for a computer monitor
WO2008044194A2 (en) * 2006-10-13 2008-04-17 Philips Intellectual Property & Standards Gmbh Electron optical apparatus, x-ray emitting device and method of producing an electron beam

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2227029A (en) * 1937-02-05 1940-12-31 Loewe Radio Inc Elimination of the magnetic dispersion of transformers
NL266290A (US06491871-20021210-M00007.png) * 1960-06-24
US3879633A (en) * 1963-12-19 1975-04-22 Rca Corp Television degaussing system with saddle-type coils adjacent CRT cone
JPS4948248B1 (US06491871-20021210-M00007.png) * 1970-12-26 1974-12-20
JPS5137393Y2 (US06491871-20021210-M00007.png) * 1971-10-28 1976-09-13
CA977406A (en) * 1972-04-14 1975-11-04 Yoshiichi Matsushima Degaussing device for colour cathode ray tubes
JPS566180B2 (US06491871-20021210-M00007.png) * 1972-05-19 1981-02-09
NL167289C (nl) * 1973-09-13 1981-11-16 Philips Nv Kleurentelevisieweergeefinrichting voorzien van een kleurentelevisiebeeldbuis en een ontmagnetiserings- inrichting.
DE2705515C2 (de) * 1977-02-10 1985-11-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Bildwiedergabegerät mit einer Bildröhre und einem Netztrafo
SE441886B (sv) * 1979-02-16 1985-11-11 Rca Corp Neutraliseringsanordning for ett fergtelevisionsbildror
DE3017331A1 (de) * 1980-05-06 1981-11-12 Siemens AG, 1000 Berlin und 8000 München Anordnung zur kompensation von auf farbfernsehroehren einwirkenden magnetischen fremdfeldern
JPS6181269U (US06491871-20021210-M00007.png) * 1984-10-31 1986-05-29
NL8502918A (nl) * 1985-10-25 1987-05-18 Philips Nv Beeldweergeefinrichting met ontstoringsmiddelen.
NL8602397A (nl) * 1985-10-25 1987-05-18 Philips Nv Beeldweergeefinrichting met ontstoringsmiddelen.

Also Published As

Publication number Publication date
IE59959B1 (en) 1994-05-04
FI874972A0 (fi) 1987-11-11
WO1987006054A1 (en) 1987-10-08
JPS63503106A (ja) 1988-11-10
IN167955B (US06491871-20021210-M00007.png) 1991-01-12
DK166056B (da) 1993-03-01
FI84864B (fi) 1991-10-15
EP0260311A1 (en) 1988-03-23
DK621087A (da) 1987-11-26
ES2003240A6 (es) 1988-10-16
EP0260311B1 (en) 1990-05-02
AU594145B2 (en) 1990-03-01
CN87102360A (zh) 1987-11-11
DK621087D0 (da) 1987-11-26
FI874972A (fi) 1987-11-11
IE870605L (en) 1987-09-27
CA1281362C (en) 1991-03-12
DK166056C (da) 1993-07-12
FI84864C (sv) 1992-01-27
AU7202487A (en) 1987-10-20
US4851737A (en) 1989-07-25
CN1007303B (zh) 1990-03-21

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