CA2039501C - Color picture tube having inline electron gun with focus adjustement means - Google Patents

Color picture tube having inline electron gun with focus adjustement means

Info

Publication number
CA2039501C
CA2039501C CA002039501A CA2039501A CA2039501C CA 2039501 C CA2039501 C CA 2039501C CA 002039501 A CA002039501 A CA 002039501A CA 2039501 A CA2039501 A CA 2039501A CA 2039501 C CA2039501 C CA 2039501C
Authority
CA
Canada
Prior art keywords
lens
electrode
beams
focus
gun
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
CA002039501A
Other languages
English (en)
French (fr)
Other versions
CA2039501A1 (en
Inventor
Loren Lee Maninger
Bruce George Marks
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Publication of CA2039501A1 publication Critical patent/CA2039501A1/en
Application granted granted Critical
Publication of CA2039501C publication Critical patent/CA2039501C/en
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
    • H01J29/48—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
    • 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
    • H01J29/58—Arrangements for focusing or reflecting ray or beam
    • H01J29/62—Electrostatic lenses
    • H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
    • H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun
    • 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
    • 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
    • H01J2229/4896—Aperture shape as viewed along beam axis complex and not provided for

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Electron Sources, Ion Sources (AREA)
CA002039501A 1990-04-16 1991-04-04 Color picture tube having inline electron gun with focus adjustement means Expired - Fee Related CA2039501C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US50953790A 1990-04-16 1990-04-16
US509537 1990-04-16

Publications (2)

Publication Number Publication Date
CA2039501A1 CA2039501A1 (en) 1991-10-17
CA2039501C true CA2039501C (en) 1999-02-02

Family

ID=24027042

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002039501A Expired - Fee Related CA2039501C (en) 1990-04-16 1991-04-04 Color picture tube having inline electron gun with focus adjustement means

Country Status (10)

Country Link
EP (1) EP0452789B1 (de)
JP (1) JP2616849B2 (de)
KR (1) KR950002262B1 (de)
CN (1) CN1041577C (de)
CA (1) CA2039501C (de)
DE (1) DE69114893T2 (de)
MY (1) MY105411A (de)
PL (1) PL165538B1 (de)
RU (1) RU2025818C1 (de)
TR (1) TR25229A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06251722A (ja) * 1993-02-24 1994-09-09 Hitachi Ltd 陰極線管
FR2705164B1 (fr) * 1993-05-10 1995-07-13 Thomson Tubes & Displays Tube image couleurs à canons à électrons en ligne avec lentilles astigmatiques.
CN1054462C (zh) * 1994-06-30 2000-07-12 中华映管股份有限公司 彩色显像管的电子枪
JP3726402B2 (ja) * 1996-07-05 2005-12-14 ソニー株式会社 カラー陰極線管用インライン電子銃
KR19980040898A (ko) * 1996-11-30 1998-08-17 엄길용 인라인형 전자총의 통형전극
KR20030060616A (ko) * 2002-01-10 2003-07-16 엘지.필립스디스플레이(주) 칼라음극선관용 전자총
CN1306544C (zh) * 2004-01-05 2007-03-21 彩虹集团电子股份有限公司 调整彩色显像管电子束配列的工艺方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2509526B1 (fr) * 1981-07-10 1986-08-29 Rca Corp Perfectionnements apportes aux canons electroniques en ligne a lentille focale allongee pour tube image couleur
US4400649A (en) * 1981-07-10 1983-08-23 Rca Corporation Color picture tube having an improved expanded focus lens type inline electron gun
JPS58198830A (ja) * 1982-05-14 1983-11-18 Hitachi Ltd カラー受像管
NL8203322A (nl) * 1982-08-25 1984-03-16 Philips Nv Kleurenbeeldbuis.
JPH0630227B2 (ja) * 1983-12-28 1994-04-20 株式会社東芝 カラ−受像管用電子銃
FR2590724B1 (fr) * 1985-11-22 1988-01-08 Videocolor Dispositif de correction de l'effet de deviation du a une variation de la tension de focalisation dans un tube cathodique trichrome a cathodes en ligne
EP0275191B1 (de) * 1987-01-14 1995-09-27 RCA Thomson Licensing Corporation Farbbildröhre mit einer Drei-Linsen-Elektronenkanone
US4764704A (en) * 1987-01-14 1988-08-16 Rca Licensing Corporation Color cathode-ray tube having a three-lens electron gun
CN1013534B (zh) * 1987-04-08 1991-08-14 彩色图象公司 三色阴极射线管偏移效应的校正装置
US4737682A (en) * 1987-07-20 1988-04-12 Rca Corporation Color picture tube having an inline electron gun with an einzel lens
JP2690930B2 (ja) * 1988-02-26 1997-12-17 株式会社日立製作所 カラー陰極線管用電子銃

Also Published As

Publication number Publication date
KR910019103A (ko) 1991-11-30
CA2039501A1 (en) 1991-10-17
EP0452789A3 (en) 1992-02-12
RU2025818C1 (ru) 1994-12-30
CN1041577C (zh) 1999-01-06
PL289904A1 (en) 1992-02-10
EP0452789A2 (de) 1991-10-23
MY105411A (en) 1994-09-30
PL165538B1 (pl) 1995-01-31
DE69114893D1 (de) 1996-01-11
EP0452789B1 (de) 1995-11-29
KR950002262B1 (ko) 1995-03-15
TR25229A (tr) 1993-01-01
JP2616849B2 (ja) 1997-06-04
CN1056016A (zh) 1991-11-06
JPH04230938A (ja) 1992-08-19
DE69114893T2 (de) 1996-06-20

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed