SE8600991L - Anordning for att reducera magnetisk feltstyrka i nerheten av apparat med katodstraleror med magnetisk avlenkning - Google Patents

Anordning for att reducera magnetisk feltstyrka i nerheten av apparat med katodstraleror med magnetisk avlenkning

Info

Publication number
SE8600991L
SE8600991L SE8600991A SE8600991A SE8600991L SE 8600991 L SE8600991 L SE 8600991L SE 8600991 A SE8600991 A SE 8600991A SE 8600991 A SE8600991 A SE 8600991A SE 8600991 L SE8600991 L SE 8600991L
Authority
SE
Sweden
Prior art keywords
field
radiators
cathodic
field strength
magnetic field
Prior art date
Application number
SE8600991A
Other languages
Unknown language ( )
English (en)
Other versions
SE452077B (sv
SE8600991D0 (sv
SE452077C (sv
Inventor
S Blixt
Original Assignee
Blixt Autovision
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 Blixt Autovision filed Critical Blixt Autovision
Priority to SE8600991A priority Critical patent/SE452077C/sv
Publication of SE8600991D0 publication Critical patent/SE8600991D0/sv
Priority to PCT/SE1987/000100 priority patent/WO1987005437A1/en
Publication of SE8600991L publication Critical patent/SE8600991L/sv
Priority to NO874535A priority patent/NO174079C/no
Priority to DK576287A priority patent/DK576287A/da
Publication of SE452077B publication Critical patent/SE452077B/sv
Publication of SE452077C publication Critical patent/SE452077C/sv

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)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
SE8600991A 1986-03-04 1986-03-04 Anordning foer att reducera ooenskade laeckfaelt upptraedande framfoer katodstraaleroers bildskaerm SE452077C (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE8600991A SE452077C (sv) 1986-03-04 1986-03-04 Anordning foer att reducera ooenskade laeckfaelt upptraedande framfoer katodstraaleroers bildskaerm
PCT/SE1987/000100 WO1987005437A1 (en) 1986-03-04 1987-03-03 A device for the suppression of leakage fields in front of viewing screens and the like
NO874535A NO174079C (no) 1986-03-04 1987-10-30 Anordning til undertrykkelse av lekkasjefelter foran billedskjermer og lignende
DK576287A DK576287A (da) 1986-03-04 1987-11-03 Indretning til undertrykkelse af laekfelter foran billedskaerme og lignende

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8600991A SE452077C (sv) 1986-03-04 1986-03-04 Anordning foer att reducera ooenskade laeckfaelt upptraedande framfoer katodstraaleroers bildskaerm

Publications (4)

Publication Number Publication Date
SE8600991D0 SE8600991D0 (sv) 1986-03-04
SE8600991L true SE8600991L (sv) 1987-09-05
SE452077B SE452077B (sv) 1987-11-09
SE452077C SE452077C (sv) 1992-12-07

Family

ID=20363690

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8600991A SE452077C (sv) 1986-03-04 1986-03-04 Anordning foer att reducera ooenskade laeckfaelt upptraedande framfoer katodstraaleroers bildskaerm

Country Status (2)

Country Link
SE (1) SE452077C (sv)
WO (1) WO1987005437A1 (sv)

Families Citing this family (13)

* 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.
DE68911940T2 (de) * 1988-02-01 1994-06-30 Philips Nv Bildwiedergabeanordnung mit einem Ausgleichsspulenbestückten, magnetisierbaren Kernmittel.
GB8806230D0 (en) * 1988-03-16 1988-04-13 Vistek Electronics Ltd Display arrangement
JPH027334A (ja) * 1988-06-24 1990-01-11 Victor Co Of Japan Ltd 漏れ磁束軽減装置
EP0348571A1 (en) * 1988-06-30 1990-01-03 International Business Machines Corporation Cathode ray tube display monitor with stray magnetic field compensation
NO165698C (no) * 1988-07-05 1991-03-20 System Sikkerhet As System for beskyttelse mot avlytting av digitalt utstyr.
GB2223649A (en) * 1988-07-27 1990-04-11 Peter Thompson Wright A screen for an electromagnetic field
US5200673A (en) * 1988-10-31 1993-04-06 Victor Company Of Japan, Ltd. Method and device for suppression of leakage of magnetic flux in display apparatus
US5189348A (en) * 1989-06-09 1993-02-23 Kabushiki Kaisha Toshiba Cathode ray tube apparatus intended to reduce magnetic fluxes leaked outside the apparatus
JPH0752631B2 (ja) * 1989-06-09 1995-06-05 株式会社東芝 陰極線管装置
FI87127C (sv) * 1991-04-15 1992-11-25 Imatran Voima Oy Förfarande för minskande av avståndsberoende spänningsstigning i paral lella högfrekvenselektroder
JP3121089B2 (ja) * 1992-01-17 2000-12-25 株式会社日立製作所 偏向ヨーク
DE4203828C2 (de) * 1992-02-10 1996-03-14 Siemens Nixdorf Inf Syst Bildschirmgerät

Family Cites Families (5)

* 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 (sv) * 1960-06-24
JPS5137393Y2 (sv) * 1971-10-28 1976-09-13
DE2705515C2 (de) * 1977-02-10 1985-11-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Bildwiedergabegerät mit einer Bildröhre und einem Netztrafo
DE3017331A1 (de) * 1980-05-06 1981-11-12 Siemens AG, 1000 Berlin und 8000 München Anordnung zur kompensation von auf farbfernsehroehren einwirkenden magnetischen fremdfeldern

Also Published As

Publication number Publication date
SE452077B (sv) 1987-11-09
SE8600991D0 (sv) 1986-03-04
WO1987005437A1 (en) 1987-09-11
SE452077C (sv) 1992-12-07

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