DE68911940D1 - Bildwiedergabeanordnung mit einem Ausgleichsspulenbestückten, magnetisierbaren Kernmittel. - Google Patents

Bildwiedergabeanordnung mit einem Ausgleichsspulenbestückten, magnetisierbaren Kernmittel.

Info

Publication number
DE68911940D1
DE68911940D1 DE89200160T DE68911940T DE68911940D1 DE 68911940 D1 DE68911940 D1 DE 68911940D1 DE 89200160 T DE89200160 T DE 89200160T DE 68911940 T DE68911940 T DE 68911940T DE 68911940 D1 DE68911940 D1 DE 68911940D1
Authority
DE
Germany
Prior art keywords
display device
image display
core means
compensating coil
magnetizable core
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
DE89200160T
Other languages
English (en)
Other versions
DE68911940T2 (de
Inventor
Johannes Penninga
Albertus Aemilius S Sluyterman
Bernardus Hendrikus Jo Dekkers
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 NL8800235A external-priority patent/NL8800235A/nl
Priority claimed from NL8800540A external-priority patent/NL8800540A/nl
Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE68911940D1 publication Critical patent/DE68911940D1/de
Publication of DE68911940T2 publication Critical patent/DE68911940T2/de
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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
DE68911940T 1988-02-01 1989-01-25 Bildwiedergabeanordnung mit einem Ausgleichsspulenbestückten, magnetisierbaren Kernmittel. Expired - Fee Related DE68911940T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL8800235A NL8800235A (nl) 1988-02-01 1988-02-01 Beeldweergeefinrichting met bewikkelde compensatiering.
NL8800540A NL8800540A (nl) 1988-02-01 1988-03-03 Beeldweergeefinrichting met van compensatiespoelen voorzien kernmiddel van magnetiseerbaar materiaal.
NL8800884A NL8800884A (nl) 1988-02-01 1988-04-07 Beeldweergeefinrichting met van compensatiespoelen voorzien magnetiseerbar kernmiddel

Publications (2)

Publication Number Publication Date
DE68911940D1 true DE68911940D1 (de) 1994-02-17
DE68911940T2 DE68911940T2 (de) 1994-06-30

Family

ID=27352194

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68911940T Expired - Fee Related DE68911940T2 (de) 1988-02-01 1989-01-25 Bildwiedergabeanordnung mit einem Ausgleichsspulenbestückten, magnetisierbaren Kernmittel.

Country Status (4)

Country Link
US (1) US4992697A (de)
EP (1) EP0327161B1 (de)
JP (1) JPH01217839A (de)
DE (1) DE68911940T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0485559U (de) * 1990-11-29 1992-07-24
JPH0724773Y2 (ja) * 1990-04-28 1995-06-05 東京特殊電線株式会社 偏向ヨーク
EP0487796B1 (de) * 1990-11-27 1995-09-27 International Business Machines Corporation Kathodenstrahlröhrenanzeigeapparat
US5399934A (en) * 1991-06-25 1995-03-21 U.S. Philips Corporation Display device comprising compensation coils
US5208510A (en) * 1991-12-30 1993-05-04 Zenith Electronics Corporation CRT magnetic field cancelling device
JP3257055B2 (ja) * 1992-08-21 2002-02-18 ソニー株式会社 陰極線管
US5475282A (en) * 1993-08-18 1995-12-12 Efa Corporation Dual-coil type CRT image tilt correcting device
JPH07162881A (ja) * 1993-12-10 1995-06-23 Mitsubishi Electric Corp カラー陰極線管ディスプレイ装置
US5847503A (en) * 1994-09-24 1998-12-08 Thomson Tubes & Displays S.A. Electron beam deflection device for cathode ray tubes which is self convergent and geometry corrected
KR970051792A (ko) * 1995-12-30 1997-07-29 엄길용 불순 자계 제거용 감쇄 코일이 부착된 편향요크
TW378336B (en) * 1996-03-21 2000-01-01 Matsushita Electron Co Ltd A compensating device for raster distortion of CRT
US5861711A (en) * 1996-03-28 1999-01-19 Samsung Electronics Co., Ltd. Deflection yoke mounting device of the spray

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2921226A (en) * 1956-05-24 1960-01-12 Philco Corp Apparatus for color purity correction in color television receivers
US3424942A (en) * 1965-12-14 1969-01-28 Rca Corp Auxiliary beam deflection yoke
NL8602397A (nl) * 1985-10-25 1987-05-18 Philips Nv Beeldweergeefinrichting met ontstoringsmiddelen.
SE452077C (sv) * 1986-03-04 1992-12-07 Blixt Autovision Anordning foer att reducera ooenskade laeckfaelt upptraedande framfoer katodstraaleroers bildskaerm
JPS63944A (ja) * 1986-06-18 1988-01-05 Mitsubishi Electric Corp カラ−陰極線管装置
US4853588A (en) * 1986-09-05 1989-08-01 Denki Onkyo Co., Ltd. Deflection yoke apparatus with means for reducing unwanted radiation
JPS6376245A (ja) * 1986-09-18 1988-04-06 Mitsubishi Electric Corp 偏向ヨ−ク

Also Published As

Publication number Publication date
JPH01217839A (ja) 1989-08-31
US4992697A (en) 1991-02-12
EP0327161B1 (de) 1994-01-05
EP0327161A1 (de) 1989-08-09
DE68911940T2 (de) 1994-06-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee