DE69715989D1 - Kathodenstrahlröhre und Kathodenstrahlrohrvorrichtung - Google Patents

Kathodenstrahlröhre und Kathodenstrahlrohrvorrichtung

Info

Publication number
DE69715989D1
DE69715989D1 DE69715989T DE69715989T DE69715989D1 DE 69715989 D1 DE69715989 D1 DE 69715989D1 DE 69715989 T DE69715989 T DE 69715989T DE 69715989 T DE69715989 T DE 69715989T DE 69715989 D1 DE69715989 D1 DE 69715989D1
Authority
DE
Germany
Prior art keywords
ray tube
cathode ray
tube device
cathode
tube
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
DE69715989T
Other languages
English (en)
Other versions
DE69715989T2 (de
Inventor
Toshiaki Inoue
Takeshi Ishizaki
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.)
Toshiba Corp
Original Assignee
Toshiba 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 Toshiba Corp filed Critical Toshiba Corp
Publication of DE69715989D1 publication Critical patent/DE69715989D1/de
Application granted granted Critical
Publication of DE69715989T2 publication Critical patent/DE69715989T2/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
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • 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
    • H01J29/86—Vessels; Containers; Vacuum locks
    • H01J29/87—Arrangements for preventing or limiting effects of implosion of vessels or containers
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
DE69715989T 1996-07-25 1997-07-22 Kathodenstrahlröhre und Kathodenstrahlrohrvorrichtung Expired - Fee Related DE69715989T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19590896 1996-07-25
JP8268055A JPH1092344A (ja) 1996-07-25 1996-10-09 陰極線管及び陰極線管装置

Publications (2)

Publication Number Publication Date
DE69715989D1 true DE69715989D1 (de) 2002-11-07
DE69715989T2 DE69715989T2 (de) 2003-08-07

Family

ID=26509410

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69715989T Expired - Fee Related DE69715989T2 (de) 1996-07-25 1997-07-22 Kathodenstrahlröhre und Kathodenstrahlrohrvorrichtung

Country Status (8)

Country Link
US (1) US5831390A (de)
EP (1) EP0821389B1 (de)
JP (1) JPH1092344A (de)
KR (1) KR100224939B1 (de)
CN (1) CN1082717C (de)
DE (1) DE69715989T2 (de)
MY (1) MY116942A (de)
TW (1) TW398012B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW497115B (en) 1998-04-28 2002-08-01 Hitachi Ltd Cathode ray tube
US6488166B2 (en) * 2000-12-13 2002-12-03 Thomson Licensing S.A. Implosion prevention band for a CRT

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04249036A (ja) * 1991-02-05 1992-09-04 Nanao:Kk ブラウン管のフェース表面の電磁シールド構造
US5260626A (en) * 1991-02-20 1993-11-09 Nanao Corporation Apparatus for suppressing field radiation from display device
JPH0574374A (ja) * 1991-04-18 1993-03-26 Mitsubishi Electric Corp 陰極線管装置
US5151635A (en) * 1991-06-20 1992-09-29 Apple Computer, Inc. Apparatus and method for reducing the magnitude of time varying electric fields in CRT displays
CN1040934C (zh) * 1991-07-18 1998-11-25 东芝株式会社 阴极射线管图像显示装置
EP0568783B1 (de) * 1992-05-08 1998-09-23 Hitachi, Ltd. Kathodenstrahlröhre mit Ablenkjoch
JP3218887B2 (ja) * 1994-10-19 2001-10-15 株式会社日立製作所 陰極線管表示装置
JP3180461B2 (ja) * 1992-09-09 2001-06-25 三菱電機株式会社 陰極線管装置
JP3354665B2 (ja) * 1993-11-15 2002-12-09 株式会社日立製作所 画像表示装置
JPH07298169A (ja) * 1994-04-26 1995-11-10 Hitachi Ltd 画像表示装置
TW395550U (en) * 1994-10-19 2000-06-21 Hitachi Ltd Cathode-ray tube display unit in which the unwanted radiant electric field from the face plate of cathode-ray tube is decreased
IT1281341B1 (it) * 1995-08-07 1998-02-18 Inovatec Spa Dispositivo di schermatura anti-radiazione per videoterminali a tubo catodico e simili

Also Published As

Publication number Publication date
US5831390A (en) 1998-11-03
JPH1092344A (ja) 1998-04-10
CN1082717C (zh) 2002-04-10
KR100224939B1 (ko) 1999-10-15
KR980011568A (ko) 1998-04-30
CN1173731A (zh) 1998-02-18
EP0821389A2 (de) 1998-01-28
DE69715989T2 (de) 2003-08-07
EP0821389B1 (de) 2002-10-02
TW398012B (en) 2000-07-11
EP0821389A3 (de) 1998-12-02
MY116942A (en) 2004-04-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee