DK166056C - Indretning i billedroer til nedsaettelse af den magnetiske feltstyrke i billedroerets omgivelser - Google Patents

Indretning i billedroer til nedsaettelse af den magnetiske feltstyrke i billedroerets omgivelser

Info

Publication number
DK166056C
DK166056C DK621087A DK621087A DK166056C DK 166056 C DK166056 C DK 166056C DK 621087 A DK621087 A DK 621087A DK 621087 A DK621087 A DK 621087A DK 166056 C DK166056 C DK 166056C
Authority
DK
Denmark
Prior art keywords
image books
books
image
environment
reduce
Prior art date
Application number
DK621087A
Other languages
English (en)
Other versions
DK166056B (da
DK621087A (da
DK621087D0 (da
Inventor
Roland Thomas Wilhel Johansson
Stig Arne Laangh
Knud Madsen
Original Assignee
Nokia Data Systems
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 Nokia Data Systems filed Critical Nokia Data Systems
Publication of DK621087A publication Critical patent/DK621087A/da
Publication of DK621087D0 publication Critical patent/DK621087D0/da
Publication of DK166056B publication Critical patent/DK166056B/da
Application granted granted Critical
Publication of DK166056C publication Critical patent/DK166056C/da

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)
DK621087A 1986-03-27 1987-11-26 Indretning i billedroer til nedsaettelse af den magnetiske feltstyrke i billedroerets omgivelser DK166056C (da)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
SE8601432A SE457759B (sv) 1986-03-27 1986-03-27 Anordning vid bildroer foer att reducera den magnetiska faeltstyrkan i bildroerets omgivning
SE8601432 1986-03-27
SE8604221 1986-10-03
SE8604221A SE454826B (sv) 1986-10-03 1986-10-03 Anordning vid bildror for att reducera den magnetiska feltstyrkan i bildrorets omgivning
SE8700109 1987-01-14
PCT/SE1987/000109 WO1987006054A1 (en) 1986-03-27 1987-03-05 Apparatus in cathode ray tubes for reducing the magnetic field strength in the tube environment

Publications (4)

Publication Number Publication Date
DK621087A DK621087A (da) 1987-11-26
DK621087D0 DK621087D0 (da) 1987-11-26
DK166056B DK166056B (da) 1993-03-01
DK166056C true DK166056C (da) 1993-07-12

Family

ID=26659305

Family Applications (1)

Application Number Title Priority Date Filing Date
DK621087A DK166056C (da) 1986-03-27 1987-11-26 Indretning i billedroer til nedsaettelse af den magnetiske feltstyrke i billedroerets omgivelser

Country Status (12)

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

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
US5350973A (en) * 1989-08-31 1994-09-27 Kabushiki Kaisha Toshiba Cathode-ray tube apparatus having a reduced leak of magnetic fluxes
KR930000354B1 (ko) * 1989-08-31 1993-01-16 가부시끼가이샤 도시바 누설자속을 경감할 수 있는 음극선관장치
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
DE602007012126D1 (de) * 2006-10-13 2011-03-03 Philips Intellectual Property Röntgenstrahlemissionsvorrichtung und verfahren zug eines röntgenstrahls in einer röntgenstrahlemissionsvorrichtung

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 (da) * 1960-06-24
US3879633A (en) * 1963-12-19 1975-04-22 Rca Corp Television degaussing system with saddle-type coils adjacent CRT cone
JPS4948248B1 (da) * 1970-12-26 1974-12-20
JPS5137393Y2 (da) * 1971-10-28 1976-09-13
CA977406A (en) * 1972-04-14 1975-11-04 Yoshiichi Matsushima Degaussing device for colour cathode ray tubes
JPS566180B2 (da) * 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 (da) * 1984-10-31 1986-05-29
NL8602397A (nl) * 1985-10-25 1987-05-18 Philips Nv Beeldweergeefinrichting met ontstoringsmiddelen.
NL8502918A (nl) * 1985-10-25 1987-05-18 Philips Nv Beeldweergeefinrichting met ontstoringsmiddelen.

Also Published As

Publication number Publication date
IN167955B (da) 1991-01-12
JPS63503106A (ja) 1988-11-10
EP0260311A1 (en) 1988-03-23
ES2003240A6 (es) 1988-10-16
US4851737A (en) 1989-07-25
JP2525437B2 (ja) 1996-08-21
DK166056B (da) 1993-03-01
FI874972A (fi) 1987-11-11
EP0260311B1 (en) 1990-05-02
CN87102360A (zh) 1987-11-11
WO1987006054A1 (en) 1987-10-08
FI874972A0 (fi) 1987-11-11
CN1007303B (zh) 1990-03-21
FI84864C (sv) 1992-01-27
IE59959B1 (en) 1994-05-04
DK621087A (da) 1987-11-26
AU594145B2 (en) 1990-03-01
AU7202487A (en) 1987-10-20
FI84864B (fi) 1991-10-15
CA1281362C (en) 1991-03-12
DK621087D0 (da) 1987-11-26
IE870605L (en) 1987-09-27

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Legal Events

Date Code Title Description
PBP Patent lapsed