CN1018408B - 改善偏转像差的彩色显象管 - Google Patents

改善偏转像差的彩色显象管

Info

Publication number
CN1018408B
CN1018408B CN90106746A CN90106746A CN1018408B CN 1018408 B CN1018408 B CN 1018408B CN 90106746 A CN90106746 A CN 90106746A CN 90106746 A CN90106746 A CN 90106746A CN 1018408 B CN1018408 B CN 1018408B
Authority
CN
China
Prior art keywords
magnetic field
permanent magnet
electron
pair
electron beam
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
Application number
CN90106746A
Other languages
English (en)
Chinese (zh)
Other versions
CN1049751A (zh
Inventor
藤原毅
时田清
井上雅及
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 JP20244689A external-priority patent/JP2862575B2/ja
Priority claimed from JP25210589A external-priority patent/JP2859900B2/ja
Application filed by Toshiba Corp filed Critical Toshiba Corp
Publication of CN1049751A publication Critical patent/CN1049751A/zh
Publication of CN1018408B publication Critical patent/CN1018408B/zh
Expired legal-status Critical Current

Links

Images

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
    • H01J29/701—Systems for correcting deviation or convergence of a plurality of beams by means of magnetic fields at least
    • H01J29/702—Convergence correction arrangements therefor
    • H01J29/703—Static convergence 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
    • H01J29/46—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
    • H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
    • H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
    • H01J29/566—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses for correcting aberration
    • 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

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
CN90106746A 1989-08-04 1990-08-04 改善偏转像差的彩色显象管 Expired CN1018408B (zh)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP89-202446 1989-08-04
JP20244689A JP2862575B2 (ja) 1989-08-04 1989-08-04 カラー受像管
JP202446/89 1989-08-04
JP89-252105 1989-09-29
JP25210589A JP2859900B2 (ja) 1989-09-29 1989-09-29 カラー受像管
JP252105/89 1989-09-29

Publications (2)

Publication Number Publication Date
CN1049751A CN1049751A (zh) 1991-03-06
CN1018408B true CN1018408B (zh) 1992-09-23

Family

ID=26513377

Family Applications (1)

Application Number Title Priority Date Filing Date
CN90106746A Expired CN1018408B (zh) 1989-08-04 1990-08-04 改善偏转像差的彩色显象管

Country Status (4)

Country Link
EP (1) EP0415125B1 (de)
KR (1) KR930004108B1 (de)
CN (1) CN1018408B (de)
DE (1) DE69028968T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0421523B1 (de) * 1989-10-02 1995-06-28 Koninklijke Philips Electronics N.V. Farbbildröhrensystem mit reduziertem Fleckwachstum
MY120102A (en) * 1995-02-28 2005-09-30 Toshiba Kk A deflection unit having a distortion correcting coil in a cathode ray tube apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS542623A (en) * 1977-06-08 1979-01-10 Toshiba Corp Color picture tube of beam-index type
JPH0670895B2 (ja) * 1986-10-31 1994-09-07 株式会社東芝 カラ−受像管

Also Published As

Publication number Publication date
DE69028968T2 (de) 1997-04-03
DE69028968D1 (de) 1996-11-28
EP0415125A1 (de) 1991-03-06
KR910005366A (ko) 1991-03-30
EP0415125B1 (de) 1996-10-23
KR930004108B1 (ko) 1993-05-20
CN1049751A (zh) 1991-03-06

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Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C13 Decision
GR02 Examined patent application
C14 Grant of patent or utility model
GR01 Patent grant
C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)
OR01 Other related matters
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee