DE68927668D1 - Verfahren und Vorrichtung zur Unterdrückung des Streufeldes in Anzeigegeräten - Google Patents

Verfahren und Vorrichtung zur Unterdrückung des Streufeldes in Anzeigegeräten

Info

Publication number
DE68927668D1
DE68927668D1 DE68927668T DE68927668T DE68927668D1 DE 68927668 D1 DE68927668 D1 DE 68927668D1 DE 68927668 T DE68927668 T DE 68927668T DE 68927668 T DE68927668 T DE 68927668T DE 68927668 D1 DE68927668 D1 DE 68927668D1
Authority
DE
Germany
Prior art keywords
suppressing
display devices
stray field
stray
field
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
DE68927668T
Other languages
English (en)
Other versions
DE68927668T2 (de
Inventor
Hideo Hishiki
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.)
Victor Company of Japan Ltd
Original Assignee
Victor Company of Japan Ltd
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 Victor Company of Japan Ltd filed Critical Victor Company of Japan Ltd
Application granted granted Critical
Publication of DE68927668D1 publication Critical patent/DE68927668D1/de
Publication of DE68927668T2 publication Critical patent/DE68927668T2/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
    • H01J29/46—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
DE68927668T 1988-10-31 1989-10-31 Verfahren und Vorrichtung zur Unterdrückung des Streufeldes in Anzeigegeräten Expired - Fee Related DE68927668T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63274672A JP2707293B2 (ja) 1988-10-31 1988-10-31 陰極線管表示装置の漏洩磁束低減方法及びその装置

Publications (2)

Publication Number Publication Date
DE68927668D1 true DE68927668D1 (de) 1997-02-27
DE68927668T2 DE68927668T2 (de) 1997-05-07

Family

ID=17544952

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927668T Expired - Fee Related DE68927668T2 (de) 1988-10-31 1989-10-31 Verfahren und Vorrichtung zur Unterdrückung des Streufeldes in Anzeigegeräten

Country Status (4)

Country Link
EP (1) EP0371618B1 (de)
JP (1) JP2707293B2 (de)
KR (1) KR910009248B1 (de)
DE (1) DE68927668T2 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0485559U (de) * 1990-11-29 1992-07-24
JPH02134090A (ja) * 1988-11-15 1990-05-23 Victor Co Of Japan Ltd 陰極線管表示装置の漏洩磁束低減方法及びその装置
US5350973A (en) * 1989-08-31 1994-09-27 Kabushiki Kaisha Toshiba Cathode-ray tube apparatus having a reduced leak of magnetic fluxes
KR930000354B1 (ko) * 1989-08-31 1993-01-16 가부시끼가이샤 도시바 누설자속을 경감할 수 있는 음극선관장치
JP2003068228A (ja) * 2001-08-27 2003-03-07 Toshiba Corp 偏向ヨーク装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8602397A (nl) * 1985-10-25 1987-05-18 Philips Nv Beeldweergeefinrichting met ontstoringsmiddelen.

Also Published As

Publication number Publication date
EP0371618A1 (de) 1990-06-06
JP2707293B2 (ja) 1998-01-28
KR910009248B1 (ko) 1991-11-07
JPH02121487A (ja) 1990-05-09
KR900007040A (ko) 1990-05-09
DE68927668T2 (de) 1997-05-07
EP0371618B1 (de) 1997-01-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8339 Ceased/non-payment of the annual fee