JPH02299134A - 陰極線管表示装置 - Google Patents

陰極線管表示装置

Info

Publication number
JPH02299134A
JPH02299134A JP2058251A JP5825190A JPH02299134A JP H02299134 A JPH02299134 A JP H02299134A JP 2058251 A JP2058251 A JP 2058251A JP 5825190 A JP5825190 A JP 5825190A JP H02299134 A JPH02299134 A JP H02299134A
Authority
JP
Japan
Prior art keywords
ring
magnetic field
deflection
coil
deflection coil
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.)
Pending
Application number
JP2058251A
Other languages
English (en)
Japanese (ja)
Inventor
Joseph Francis Hevesi
ジヨセフ・フランシス・ヘーヴエシイ
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 JPH02299134A publication Critical patent/JPH02299134A/ja
Pending 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
    • 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)
JP2058251A 1989-03-13 1990-03-12 陰極線管表示装置 Pending JPH02299134A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32247089A 1989-03-13 1989-03-13
US322470 1989-03-13

Publications (1)

Publication Number Publication Date
JPH02299134A true JPH02299134A (ja) 1990-12-11

Family

ID=23255050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2058251A Pending JPH02299134A (ja) 1989-03-13 1990-03-12 陰極線管表示装置

Country Status (9)

Country Link
EP (1) EP0446501A1 (fr)
JP (1) JPH02299134A (fr)
KR (1) KR920005005B1 (fr)
CN (1) CN1046636A (fr)
AU (1) AU623227B2 (fr)
BR (1) BR9001146A (fr)
CA (1) CA2011508A1 (fr)
MY (1) MY107095A (fr)
NZ (1) NZ232662A (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6293841A (ja) * 1985-10-17 1987-04-30 Mitsubishi Electric Corp 不要輻射防止装置
JPS6365944B2 (fr) * 1983-11-10 1988-12-19 Sekisui Jushi Kk
JPS6445046A (en) * 1987-08-13 1989-02-17 Ibm Cathode ray tube display

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3439808A1 (de) * 1984-10-31 1986-04-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart Ablenksystem fuer farbbildroehren
US4853588A (en) * 1986-09-05 1989-08-01 Denki Onkyo Co., Ltd. Deflection yoke apparatus with means for reducing unwanted radiation
SE456056B (sv) * 1986-12-10 1988-08-29 Telub Holding Ab Anordning vid bildror for att reducera den magnetiska feltstyrkan i bildrorets omgivning
EP0314671A1 (fr) * 1987-02-19 1989-05-10 HANTAREX S.p.A. Dispositif destine a limiter l'emission magnetique dans des moniteurs a tube cathodique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6365944B2 (fr) * 1983-11-10 1988-12-19 Sekisui Jushi Kk
JPS6293841A (ja) * 1985-10-17 1987-04-30 Mitsubishi Electric Corp 不要輻射防止装置
JPS6445046A (en) * 1987-08-13 1989-02-17 Ibm Cathode ray tube display

Also Published As

Publication number Publication date
KR920005005B1 (ko) 1992-06-22
AU5018290A (en) 1990-09-13
MY107095A (en) 1995-09-30
EP0446501A1 (fr) 1991-09-18
AU623227B2 (en) 1992-05-07
NZ232662A (en) 1992-01-29
CN1046636A (zh) 1990-10-31
CA2011508A1 (fr) 1990-09-13
KR900015235A (ko) 1990-10-26
BR9001146A (pt) 1991-03-05

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