DE68927720D1 - Elektronenkanone für eine Farbbildröhre - Google Patents

Elektronenkanone für eine Farbbildröhre

Info

Publication number
DE68927720D1
DE68927720D1 DE68927720T DE68927720T DE68927720D1 DE 68927720 D1 DE68927720 D1 DE 68927720D1 DE 68927720 T DE68927720 T DE 68927720T DE 68927720 T DE68927720 T DE 68927720T DE 68927720 D1 DE68927720 D1 DE 68927720D1
Authority
DE
Germany
Prior art keywords
electron gun
picture tube
color picture
color
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
DE68927720T
Other languages
English (en)
Other versions
DE68927720T2 (de
Inventor
Taketoshi Intellectual Shimoma
Eiji Intellectual Pro Kamohara
Shigeru Intellectual Sugawara
Jiro Intellectual Pr Shimokobe
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
Priority claimed from JP9541188A external-priority patent/JP2645071B2/ja
Priority claimed from JP19608588A external-priority patent/JP2685822B2/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE68927720D1 publication Critical patent/DE68927720D1/de
Publication of DE68927720T2 publication Critical patent/DE68927720T2/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
    • H01J29/54—Arrangements for centring 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
    • H01J29/46—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
    • 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
    • H01J29/51—Arrangements for controlling convergence of a plurality of beams by means of electric field only
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/48—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
    • H01J2229/4865—Aperture shape as viewed along beam axis parallelogram rectangle
    • H01J2229/4868—Aperture shape as viewed along beam axis parallelogram rectangle with rounded end or ends
    • 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
DE68927720T 1988-04-20 1989-04-20 Elektronenkanone für eine Farbbildröhre Expired - Fee Related DE68927720T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9541188A JP2645071B2 (ja) 1988-04-20 1988-04-20 カラー受像管装置
JP19608588A JP2685822B2 (ja) 1988-08-08 1988-08-08 カラー受像管装置

Publications (2)

Publication Number Publication Date
DE68927720D1 true DE68927720D1 (de) 1997-03-13
DE68927720T2 DE68927720T2 (de) 1997-06-05

Family

ID=26436649

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927720T Expired - Fee Related DE68927720T2 (de) 1988-04-20 1989-04-20 Elektronenkanone für eine Farbbildröhre

Country Status (4)

Country Link
US (1) US5162695A (de)
EP (1) EP0338570B1 (de)
KR (1) KR910009989B1 (de)
DE (1) DE68927720T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0469540A3 (en) * 1990-07-31 1993-06-16 Kabushiki Kaisha Toshiba Electron gun for cathode-ray tube
EP0509590B1 (de) * 1991-04-17 1996-03-20 Koninklijke Philips Electronics N.V. Bildwiedergabeanordnung und Elektronenstrahlröhre
US5731657A (en) * 1992-04-21 1998-03-24 Hitachi, Ltd. Electron gun with cylindrical electrodes arrangement
US5412277A (en) * 1993-08-25 1995-05-02 Chunghwa Picture Tubes, Ltd. Dynamic off-axis defocusing correction for deflection lens CRT
JPH0831332A (ja) * 1994-07-13 1996-02-02 Hitachi Ltd カラー陰極線管
JPH08162040A (ja) * 1994-09-14 1996-06-21 Lg Electron Inc カラー陰極線管用電子銃
US5936338A (en) * 1994-11-25 1999-08-10 Hitachi, Ltd. Color display system utilizing double quadrupole lenses under optimal control
US6031326A (en) 1997-04-01 2000-02-29 Hitachi, Ltd. Electron gun with electrode supports
US6400105B2 (en) 1997-09-05 2002-06-04 Hitachi, Ltd. Color cathode-ray tube having electrostatic quadrupole lens exhibiting different intensities for electron beams
JP2002008557A (ja) * 2000-06-19 2002-01-11 Toshiba Corp 陰極線管装置
JP2002190260A (ja) * 2000-10-13 2002-07-05 Toshiba Corp 陰極線管装置
JP2005501378A (ja) * 2001-08-28 2005-01-13 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ Ｈｅ−ｃｒｔのプリフォーカスレンズ
US8642959B2 (en) * 2007-10-29 2014-02-04 Micron Technology, Inc. Method and system of performing three-dimensional imaging using an electron microscope

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5369A (en) * 1976-06-23 1978-01-05 Matsushita Electronics Corp Double-beam electronic gun
US4528476A (en) * 1983-10-24 1985-07-09 Rca Corporation Cathode-ray tube having electron gun with three focus lenses
JPH0719541B2 (ja) * 1985-04-30 1995-03-06 株式会社日立製作所 インライン型カラー受像管

Also Published As

Publication number Publication date
DE68927720T2 (de) 1997-06-05
EP0338570A2 (de) 1989-10-25
US5162695A (en) 1992-11-10
EP0338570B1 (de) 1997-01-29
EP0338570A3 (de) 1991-06-12
KR910009989B1 (ko) 1991-12-09
KR900017081A (ko) 1990-11-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee