KR930003223A - Cathode ray tube device and cathode ray tube image display device - Google Patents

Cathode ray tube device and cathode ray tube image display device Download PDF

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Publication number
KR930003223A
KR930003223A KR1019920012865A KR920012865A KR930003223A KR 930003223 A KR930003223 A KR 930003223A KR 1019920012865 A KR1019920012865 A KR 1019920012865A KR 920012865 A KR920012865 A KR 920012865A KR 930003223 A KR930003223 A KR 930003223A
Authority
KR
South Korea
Prior art keywords
ray tube
cathode ray
deflection coil
image display
supply unit
Prior art date
Application number
KR1019920012865A
Other languages
Korean (ko)
Other versions
KR960000350B1 (en
Inventor
고이치 소네다
Original Assignee
사토 후미오
가부시키가이샤 도시바
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 사토 후미오, 가부시키가이샤 도시바 filed Critical 사토 후미오
Publication of KR930003223A publication Critical patent/KR930003223A/en
Application granted granted Critical
Publication of KR960000350B1 publication Critical patent/KR960000350B1/en

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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
    • 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
    • H01J2229/0046—Preventing or cancelling fields within the enclosure
    • H01J2229/0053—Demagnetisation

Abstract

내용 없음.No content.

Description

음극 선관장치 및 음극 선관 화상표시장치Cathode ray tube device and cathode ray tube image display device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 음극선관장치의 한 실시예를 나타내는 사시도,1 is a perspective view showing an embodiment of a cathode ray tube apparatus according to the present invention,

제2도는 제1도에 있어서 편향전압과 역극성의 전압을 공급하기 위한 역전압공급부블 나타내는 모식도,FIG. 2 is a schematic diagram showing a reverse voltage supply bubble for supplying a deflection voltage and a reverse polarity voltage in FIG. 1;

제3도는 제2도의 등가적회로도를 나타내는 도면,3 shows an equivalent circuit diagram of FIG.

제4도는 본 발명의 작용을 설명하는 도면으로서 편향장치로 부터의 누설전장을 나타내는 모식도.4 is a schematic diagram illustrating the operation of the present invention and showing a leakage electric field from the deflection apparatus.

Claims (2)

전자총으로부터 방출되는 전자빔을 편향주사하는 수평편향코일 또는 수직편향코일을 가지는 편향장치를 구비하는 음극선관장치에 있어서, 상기 수평편향코일 또는 수직편향코일에 인가되는 편향전압파형에 동기해 이것과 극성이 반대인 전압파형을 발생하는 역전압공급부와, 이 역전압공급부에 접속된 보상전극을 적어도 1개 구비하는 것을 특징으로 하는 음극선관장치.A cathode ray tube apparatus comprising a deflection device having a horizontal deflection coil or a vertical deflection coil for deflecting an electron beam emitted from an electron gun, the polarity of which is opposite to that in synchronization with a deflection voltage waveform applied to the horizontal deflection coil or a vertical deflection coil. And a reverse voltage supply unit for generating a phosphorous voltage waveform and at least one compensation electrode connected to the reverse voltage supply unit. 전자총으로부터 방출되는 전자빔을 편향주사하는 수평편향코일 또는 수직편향코일을 가지는 편향장치를 구비하는 음극선관장치를 캐비넷 내에 설치해서 이루어지는 음극선관 화상표시장치에 있어서, 상기 수평편향코일 또는 수직편향코일에 인가되는 편향전압파형에 동기해 이것과 극성이 반대인 전압파형을 발생하는 역전압공급부와, 이 역전압공급부에 접속된 보상전극을 적어도 1개 구비하는 것을 특징으로 하는 음극선관 화상표시장치.A cathode ray tube image display apparatus comprising a deflection apparatus having a horizontal deflection coil or a vertical deflection coil for deflecting an electron beam emitted from an electron gun, the cathode ray tube image display apparatus comprising: applied to the horizontal deflection coil or vertical deflection coil; A cathode ray tube image display apparatus comprising: a reverse voltage supply unit for generating a voltage waveform in polarity opposite to the deflection voltage waveform and at least one compensation electrode connected to the reverse voltage supply unit. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920012865A 1991-07-18 1992-07-18 Display apparatus in crt KR960000350B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17706191 1991-07-18
JP91-177061 1991-07-18

Publications (2)

Publication Number Publication Date
KR930003223A true KR930003223A (en) 1993-02-24
KR960000350B1 KR960000350B1 (en) 1996-01-05

Family

ID=16024442

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920012865A KR960000350B1 (en) 1991-07-18 1992-07-18 Display apparatus in crt

Country Status (3)

Country Link
EP (1) EP0523741A1 (en)
KR (1) KR960000350B1 (en)
CN (1) CN1040934C (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05244540A (en) * 1991-12-14 1993-09-21 Sony Corp Monitor device
JPH05290759A (en) * 1992-04-09 1993-11-05 Toshiba Corp Cathode-ray tube device
DE69321156T2 (en) * 1992-05-08 1999-06-02 Hitachi Ltd Cathode ray tube with deflection yoke
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
GB2279216A (en) * 1993-06-15 1994-12-21 Ibm Cathode ray tube display with cancellation of electric field emission
GB2283646A (en) * 1993-10-30 1995-05-10 Ibm Reducing electric field emission from a CRT display
GB2293299A (en) 1994-09-15 1996-03-20 Ibm Electric field emission reduction system
JP2888421B2 (en) * 1996-01-18 1999-05-10 株式会社日立メディアエレクトロニクス Display monitor
US5818171A (en) * 1996-01-16 1998-10-06 Samsung Electronics Co., Ltd. Device for removing electric field of display
JPH09233355A (en) * 1996-02-27 1997-09-05 Totoku Electric Co Ltd Method for reducing undesired electric field
KR100225045B1 (en) * 1996-05-13 1999-10-15 구자홍 Electromagnetic field radiation noise shielding device of cathode ray tube panel
JPH1092344A (en) * 1996-07-25 1998-04-10 Toshiba Corp Cathode ray tube and cathode ray tube device
JP3744250B2 (en) 1999-03-31 2006-02-08 松下電器産業株式会社 Cathode ray tube equipment

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN167955B (en) * 1986-03-27 1991-01-12 Nokia Data Systems
FR2605169B1 (en) * 1986-10-10 1988-12-09 Radiotechnique Ind & Comm DEMAGNETIZATION AND EARTHING DEVICE FOR AN IMAGE TUBE, AND MACHINE FOR MAKING SAME
GB2208034A (en) * 1987-08-13 1989-02-15 Ibm Reducing magnetic radiation in front of a cathode ray tube screen
GB2223649A (en) * 1988-07-27 1990-04-11 Peter Thompson Wright A screen for an electromagnetic field
KR930000354B1 (en) * 1989-08-31 1993-01-16 가부시끼가이샤 도시바 Cathode ray tube apparatus for reducing leakage magnetic fluxes
KR920001582Y1 (en) * 1989-12-23 1992-03-05 삼성전관 주식회사 Deflection yoke

Also Published As

Publication number Publication date
EP0523741A1 (en) 1993-01-20
KR960000350B1 (en) 1996-01-05
CN1069144A (en) 1993-02-17
CN1040934C (en) 1998-11-25

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