JPH0246085A - 陰極線管デイスプレー装置 - Google Patents

陰極線管デイスプレー装置

Info

Publication number
JPH0246085A
JPH0246085A JP8818889A JP8818889A JPH0246085A JP H0246085 A JPH0246085 A JP H0246085A JP 8818889 A JP8818889 A JP 8818889A JP 8818889 A JP8818889 A JP 8818889A JP H0246085 A JPH0246085 A JP H0246085A
Authority
JP
Japan
Prior art keywords
coils
screen
magnetic field
crt
display device
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.)
Granted
Application number
JP8818889A
Other languages
English (en)
Japanese (ja)
Other versions
JPH048997B2 (enrdf_load_stackoverflow
Inventor
Kenneth George Smith
ケネス・ジヨージ・スミス
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of JPH0246085A publication Critical patent/JPH0246085A/ja
Publication of JPH048997B2 publication Critical patent/JPH048997B2/ja
Granted 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
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/70—Arrangements for deflecting ray or beam
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/76—Deflecting by magnetic fields only
    • 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)
JP8818889A 1988-06-30 1989-04-10 陰極線管デイスプレー装置 Granted JPH0246085A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP88305986.7 1988-06-30
EP88305986A EP0348571A1 (en) 1988-06-30 1988-06-30 Cathode ray tube display monitor with stray magnetic field compensation

Publications (2)

Publication Number Publication Date
JPH0246085A true JPH0246085A (ja) 1990-02-15
JPH048997B2 JPH048997B2 (enrdf_load_stackoverflow) 1992-02-18

Family

ID=8200124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8818889A Granted JPH0246085A (ja) 1988-06-30 1989-04-10 陰極線管デイスプレー装置

Country Status (2)

Country Link
EP (2) EP0348571A1 (enrdf_load_stackoverflow)
JP (1) JPH0246085A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4231720A1 (de) * 1991-10-17 1993-04-22 Mitsubishi Electric Corp Kathodenstrahlroehren-anzeigevorrichtung
US5499004A (en) * 1993-03-12 1996-03-12 Matsushita Electric Industrial Co., Ltd. Dielectric filter having interstage coupling using adjacent electrodes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0485559U (enrdf_load_stackoverflow) * 1990-11-29 1992-07-24
GB2293299A (en) * 1994-09-15 1996-03-20 Ibm Electric field emission reduction system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3017331A1 (de) * 1980-05-06 1981-11-12 Siemens AG, 1000 Berlin und 8000 München Anordnung zur kompensation von auf farbfernsehroehren einwirkenden magnetischen fremdfeldern
SE452077C (sv) * 1986-03-04 1992-12-07 Blixt Autovision Anordning foer att reducera ooenskade laeckfaelt upptraedande framfoer katodstraaleroers bildskaerm
US4853588A (en) * 1986-09-05 1989-08-01 Denki Onkyo Co., Ltd. Deflection yoke apparatus with means for reducing unwanted radiation

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4231720A1 (de) * 1991-10-17 1993-04-22 Mitsubishi Electric Corp Kathodenstrahlroehren-anzeigevorrichtung
DE4231720C2 (de) * 1991-10-17 1998-10-22 Mitsubishi Electric Corp Kathodenstrahlröhren-Anzeigevorrichtung
US5499004A (en) * 1993-03-12 1996-03-12 Matsushita Electric Industrial Co., Ltd. Dielectric filter having interstage coupling using adjacent electrodes
US5818312A (en) * 1993-03-12 1998-10-06 Matsushita Electric Industrial Co., Ltd. Dielectric filter

Also Published As

Publication number Publication date
EP0348571A1 (en) 1990-01-03
JPH048997B2 (enrdf_load_stackoverflow) 1992-02-18
EP0349098A1 (en) 1990-01-03

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