SE8601072L - Forfarande for reducering av magnetiskt leckfelt, samt anordning for reducering av magnetiskt leckfelt - Google Patents

Forfarande for reducering av magnetiskt leckfelt, samt anordning for reducering av magnetiskt leckfelt

Info

Publication number
SE8601072L
SE8601072L SE8601072A SE8601072A SE8601072L SE 8601072 L SE8601072 L SE 8601072L SE 8601072 A SE8601072 A SE 8601072A SE 8601072 A SE8601072 A SE 8601072A SE 8601072 L SE8601072 L SE 8601072L
Authority
SE
Sweden
Prior art keywords
leckfield
stray field
reducing magnetic
current
generating means
Prior art date
Application number
SE8601072A
Other languages
English (en)
Swedish (sv)
Other versions
SE8601072D0 (sv
SE459054B (sv
SE459054C (sv
Inventor
B Kevius
Original Assignee
Philips Norden Ab
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 Philips Norden Ab filed Critical Philips Norden Ab
Priority to SE8601072A priority Critical patent/SE459054C/sv
Publication of SE8601072D0 publication Critical patent/SE8601072D0/xx
Priority to DE3751798T priority patent/DE3751798T2/de
Priority to EP87200317A priority patent/EP0235863B1/en
Priority to JP62047854A priority patent/JP2563917B2/ja
Priority to NO870927A priority patent/NO870927L/no
Publication of SE8601072L publication Critical patent/SE8601072L/
Priority to US07/241,751 priority patent/US4922153A/en
Publication of SE459054B publication Critical patent/SE459054B/sv
Publication of SE459054C publication Critical patent/SE459054C/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
SE8601072A 1986-03-07 1986-03-07 Foerfarande foer reducering av magnetiskt laeckfaelt samt anordning foer genomfoerande av foerfarandet SE459054C (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE8601072A SE459054C (sv) 1986-03-07 1986-03-07 Foerfarande foer reducering av magnetiskt laeckfaelt samt anordning foer genomfoerande av foerfarandet
DE3751798T DE3751798T2 (de) 1986-03-07 1987-02-25 Verfahren und Vorrichtung zur Reduktion von magnetischen Streufeldern einer Kathodenstrahlröhre
EP87200317A EP0235863B1 (en) 1986-03-07 1987-02-25 A method of, and device for, reducing magnetic stray fields of a cathod ray tube
JP62047854A JP2563917B2 (ja) 1986-03-07 1987-03-04 陰極線管装置
NO870927A NO870927L (no) 1986-03-07 1987-03-05 Fremgangsmÿte og anordning for ÿ redusere magnetiske strÿfelt.
US07/241,751 US4922153A (en) 1986-03-07 1988-09-07 Method of, and device for, reducing magnetic stray fields

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8601072A SE459054C (sv) 1986-03-07 1986-03-07 Foerfarande foer reducering av magnetiskt laeckfaelt samt anordning foer genomfoerande av foerfarandet

Publications (4)

Publication Number Publication Date
SE8601072D0 SE8601072D0 (sv) 1986-03-07
SE8601072L true SE8601072L (sv) 1987-09-08
SE459054B SE459054B (sv) 1989-05-29
SE459054C SE459054C (sv) 1992-08-17

Family

ID=20363743

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8601072A SE459054C (sv) 1986-03-07 1986-03-07 Foerfarande foer reducering av magnetiskt laeckfaelt samt anordning foer genomfoerande av foerfarandet

Country Status (6)

Country Link
US (1) US4922153A ( )
EP (1) EP0235863B1 ( )
JP (1) JP2563917B2 ( )
DE (1) DE3751798T2 ( )
NO (1) NO870927L ( )
SE (1) SE459054C ( )

Families Citing this family (19)

* 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.
GB8806230D0 (en) * 1988-03-16 1988-04-13 Vistek Electronics Ltd Display arrangement
FR2629628B1 (fr) * 1988-03-29 1990-11-23 Thomson Cgr Bobine, procede de realisation de ladite bobine et dispositif d'imagerie comportant une telle bobine
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
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
KR920001582Y1 (ko) * 1989-12-23 1992-03-05 삼성전관 주식회사 편향요크
EP0487796B1 (en) * 1990-11-27 1995-09-27 International Business Machines Corporation Cathode ray tube display
US5260626A (en) * 1991-02-20 1993-11-09 Nanao Corporation Apparatus for suppressing field radiation from display device
DE4123565C1 ( ) * 1991-07-16 1992-09-17 Tandberg Data A/S, Oslo, No
JPH05244540A (ja) * 1991-12-14 1993-09-21 Sony Corp モニタ装置
US5399939A (en) * 1992-01-03 1995-03-21 Environmental Services & Products, Inc. Magnetic shield with cathode ray tube standoff for a computer monitor
KR950011706B1 (ko) * 1992-11-10 1995-10-07 삼성전관주식회사 투사형 수상관용 편향요크 및 포커스 마그네트의 고정구조
US5561333A (en) * 1993-05-10 1996-10-01 Mti, Inc. Method and apparatus for reducing the intensity of magnetic field emissions from video display units
US5594615A (en) * 1993-05-10 1997-01-14 Mti, Inc. Method and apparatus for reducing the intensity of magenetic field emissions from display device
US5431403A (en) * 1994-02-09 1995-07-11 Pelz; David T. Golf putting practice device with perfect putting surface
US5744904A (en) * 1996-09-16 1998-04-28 Acer Peripherals, Inc. Apparatus for reducing magnetic field radiated from deflection yoke
WO2020056242A1 (en) 2018-09-14 2020-03-19 Billion Bottle Project Ultraviolet (uv) dosimetry

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340443A (en) * 1964-04-30 1967-09-05 Packard Bell Electronics Corp Color television degaussing apparatus
JPS4948248B1 ( ) * 1970-12-26 1974-12-20
US3947632A (en) * 1975-07-23 1976-03-30 Rca Corporation Start-up power supply for a television receiver
JPS6017984Y2 (ja) * 1978-12-21 1985-05-31 松下電器産業株式会社 偏向ヨ−クシ−ルド筒取付装置
DE2946061A1 (de) * 1979-11-15 1981-05-21 Robert Bosch Gmbh, 7000 Stuttgart Spulenanordnung
DE3017331A1 (de) * 1980-05-06 1981-11-12 Siemens AG, 1000 Berlin und 8000 München Anordnung zur kompensation von auf farbfernsehroehren einwirkenden magnetischen fremdfeldern
US4398166A (en) * 1981-06-01 1983-08-09 Northern Telecom Inc. Compensator for CRT deflection yokes and the like
US4380716A (en) * 1981-10-09 1983-04-19 Hazeltine Corporation External magnetic field compensator for a CRT
JPS59197198A (ja) * 1983-04-22 1984-11-08 株式会社トーキン 磁気シ−ルド装置
JPS60218693A (ja) * 1984-04-13 1985-11-01 三菱電機株式会社 デイスプレイ装置
US4636911A (en) * 1984-11-30 1987-01-13 Rca Corporation Resonant degaussing for a video display system
JPS6282633A (ja) * 1985-10-08 1987-04-16 Mitsubishi Electric Corp 偏向ヨ−ク
NL8602397A (nl) * 1985-10-25 1987-05-18 Philips Nv Beeldweergeefinrichting met ontstoringsmiddelen.

Also Published As

Publication number Publication date
SE8601072D0 (sv) 1986-03-07
DE3751798T2 (de) 1996-11-21
EP0235863B1 (en) 1996-05-08
DE3751798D1 (de) 1996-06-13
SE459054B (sv) 1989-05-29
SE459054C (sv) 1992-08-17
NO870927L (no) 1987-09-08
NO870927D0 (no) 1987-03-05
US4922153A (en) 1990-05-01
EP0235863A1 (en) 1987-09-09
JPS62223952A (ja) 1987-10-01
JP2563917B2 (ja) 1996-12-18

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