TW492574U - Color cathode ray tube with reduced halo - Google Patents

Color cathode ray tube with reduced halo

Info

Publication number
TW492574U
TW492574U TW090200827U TW90200827U TW492574U TW 492574 U TW492574 U TW 492574U TW 090200827 U TW090200827 U TW 090200827U TW 90200827 U TW90200827 U TW 90200827U TW 492574 U TW492574 U TW 492574U
Authority
TW
Taiwan
Prior art keywords
ray tube
cathode ray
color cathode
reduced halo
halo
Prior art date
Application number
TW090200827U
Other languages
English (en)
Inventor
Mitsuhiro Sugiyama
Satoru Endom
Mamoru Ikeda
Masayoshi Misono
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of TW492574U publication Critical patent/TW492574U/zh

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
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • 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
    • H01J29/48—Electron guns
    • H01J29/50—Electron guns two or more guns in a single vacuum space, e.g. for plural-ray tube
    • H01J29/503—Three or more guns, the axes of which lay in a common plane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4858—Aperture shape as viewed along beam axis parallelogram
    • H01J2229/4862—Aperture shape as viewed along beam axis parallelogram square
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—Electron guns
    • H01J2229/4844—Electron guns characterised by beam passing apertures or combinations
    • H01J2229/4848—Aperture shape as viewed along beam axis
    • H01J2229/4872—Aperture shape as viewed along beam axis circular
TW090200827U 1993-07-14 1994-06-21 Color cathode ray tube with reduced halo TW492574U (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5174332A JPH0729511A (ja) 1993-07-14 1993-07-14 電子銃およびカラー陰極線管

Publications (1)

Publication Number Publication Date
TW492574U true TW492574U (en) 2002-06-21

Family

ID=15976794

Family Applications (1)

Application Number Title Priority Date Filing Date
TW090200827U TW492574U (en) 1993-07-14 1994-06-21 Color cathode ray tube with reduced halo

Country Status (7)

Country Link
US (1) US5637956A (zh)
EP (1) EP0634772B1 (zh)
JP (1) JPH0729511A (zh)
KR (1) KR0123933B1 (zh)
CN (1) CN1045843C (zh)
DE (1) DE69402123T2 (zh)
TW (1) TW492574U (zh)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09245665A (ja) * 1996-03-05 1997-09-19 Sony Corp ビーム制御電極、それを使用した電子銃、この電子銃を使用した陰極線管およびビーム制御電極の製造方法
JP2002260552A (ja) * 2000-12-26 2002-09-13 Toshiba Corp 電子銃構体及び陰極線管
JP2002270111A (ja) * 2001-03-14 2002-09-20 Hitachi Ltd カラー陰極線管
KR100451769B1 (ko) * 2002-03-02 2004-10-08 엘지.필립스디스플레이(주) 칼라 음극선관용 전자총
KR100829742B1 (ko) * 2002-11-20 2008-05-15 삼성에스디아이 주식회사 칼라 음극선관용 전자총

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL178374C (nl) * 1977-11-24 1986-03-03 Philips Nv Elektronenstraalbuis met niet-rotatiesymmetrische elektronenlens tussen eerste en tweede rooster.
NL175002C (nl) * 1977-11-24 1984-09-03 Philips Nv Kathodestraalbuis met tenminste een elektronenkanon.
US4251747A (en) * 1979-11-15 1981-02-17 Gte Products Corporation One piece astigmatic grid for color picture tube electron gun
JPS6059637A (ja) * 1983-09-09 1985-04-06 Hitachi Ltd 電子銃構体
JPS6174246A (ja) * 1984-09-20 1986-04-16 Toshiba Corp カラ−受像管用電子銃
JP2569027B2 (ja) * 1986-12-05 1997-01-08 株式会社日立製作所 カラ−受像管用電子銃
KR910001511B1 (ko) * 1987-01-26 1991-03-09 가부시기가이샤 히다찌세이사구쇼 전자총용전극
JPH01194246A (ja) * 1988-01-26 1989-08-04 Nec Corp カラー陰極線管用電子銃
JP3053827B2 (ja) * 1990-02-08 2000-06-19 株式会社日立製作所 電子銃および陰極線管
US5066887A (en) * 1990-02-22 1991-11-19 Rca Thomson Licensing Corp. Color picture tube having an inline electron gun with an astigmatic prefocusing lens

Also Published As

Publication number Publication date
EP0634772A1 (en) 1995-01-18
CN1045843C (zh) 1999-10-20
KR0123933B1 (ko) 1997-11-25
KR950004352A (ko) 1995-02-17
DE69402123T2 (de) 1997-07-17
DE69402123D1 (de) 1997-04-24
JPH0729511A (ja) 1995-01-31
CN1102503A (zh) 1995-05-10
US5637956A (en) 1997-06-10
EP0634772B1 (en) 1997-03-19

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees