BR9001146A - Dispositivo de exibicao de tubo de raios catodicos e dispositivo de exibicao a cores de tubo de raios catodicos - Google Patents

Dispositivo de exibicao de tubo de raios catodicos e dispositivo de exibicao a cores de tubo de raios catodicos

Info

Publication number
BR9001146A
BR9001146A BR909001146A BR9001146A BR9001146A BR 9001146 A BR9001146 A BR 9001146A BR 909001146 A BR909001146 A BR 909001146A BR 9001146 A BR9001146 A BR 9001146A BR 9001146 A BR9001146 A BR 9001146A
Authority
BR
Brazil
Prior art keywords
display device
rays tube
cathodic rays
cathodic
color display
Prior art date
Application number
BR909001146A
Other languages
English (en)
Inventor
Joseph Francis Hevesi
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of BR9001146A publication Critical patent/BR9001146A/pt

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)
BR909001146A 1989-03-13 1990-03-12 Dispositivo de exibicao de tubo de raios catodicos e dispositivo de exibicao a cores de tubo de raios catodicos BR9001146A (pt)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
BR9001146A true BR9001146A (pt) 1991-03-05

Family

ID=23255050

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909001146A BR9001146A (pt) 1989-03-13 1990-03-12 Dispositivo de exibicao de tubo de raios catodicos e dispositivo de exibicao a cores de tubo de raios catodicos

Country Status (9)

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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60103382A (ja) * 1983-11-10 1985-06-07 積水樹脂株式会社 模様付塗装柵の模様寸法取り方法
DE3439808A1 (de) * 1984-10-31 1986-04-30 Standard Elektrik Lorenz Ag, 7000 Stuttgart Ablenksystem fuer farbbildroehren
JPS6293841A (ja) * 1985-10-17 1987-04-30 Mitsubishi Electric Corp 不要輻射防止装置
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
WO1988006346A1 (en) * 1987-02-19 1988-08-25 Hantarex Spa Device for limiting the magnetic emission in cathode ray tube monitors
GB2208034A (en) * 1987-08-13 1989-02-15 Ibm Reducing magnetic radiation in front of a cathode ray tube screen

Also Published As

Publication number Publication date
EP0446501A1 (en) 1991-09-18
CA2011508A1 (en) 1990-09-13
JPH02299134A (ja) 1990-12-11
AU623227B2 (en) 1992-05-07
KR900015235A (ko) 1990-10-26
NZ232662A (en) 1992-01-29
KR920005005B1 (ko) 1992-06-22
AU5018290A (en) 1990-09-13
MY107095A (en) 1995-09-30
CN1046636A (zh) 1990-10-31

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