GB1536754A - Cathode-ray tube focussing - Google Patents

Cathode-ray tube focussing

Info

Publication number
GB1536754A
GB1536754A GB8318/76A GB831876A GB1536754A GB 1536754 A GB1536754 A GB 1536754A GB 8318/76 A GB8318/76 A GB 8318/76A GB 831876 A GB831876 A GB 831876A GB 1536754 A GB1536754 A GB 1536754A
Authority
GB
United Kingdom
Prior art keywords
screen
field
march
discussed
grids
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
GB8318/76A
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Publication of GB1536754A publication Critical patent/GB1536754A/en
Expired 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
    • H01J29/503—Three or more guns, the axes of which lay in a common plane

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
GB8318/76A 1975-03-03 1976-03-02 Cathode-ray tube focussing Expired GB1536754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/554,610 US4086513A (en) 1975-03-03 1975-03-03 Plural gun cathode ray tube having parallel plates adjacent grid apertures

Publications (1)

Publication Number Publication Date
GB1536754A true GB1536754A (en) 1978-12-20

Family

ID=24214001

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8318/76A Expired GB1536754A (en) 1975-03-03 1976-03-02 Cathode-ray tube focussing

Country Status (7)

Country Link
US (1) US4086513A (enExample)
JP (1) JPS607345B2 (enExample)
AU (1) AU500254B2 (enExample)
DE (1) DE2608463C3 (enExample)
FR (1) FR2303374A1 (enExample)
GB (1) GB1536754A (enExample)
IT (1) IT1055315B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2232527A (en) * 1989-06-10 1990-12-12 Samsung Electronic Devices Dynamic focus electron gun
GB2288060A (en) * 1994-04-01 1995-10-04 Samsung Display Devices Co Ltd Electron gun for a colour CRT
CN1090805C (zh) * 1995-07-28 2002-09-11 Lg电子株式会社 用于彩色阴极射线管的一字排列式电子枪

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4396862A (en) * 1978-05-01 1983-08-02 Rca Corporation Color picture tube with means for affecting magnetic deflection fields in electron gun area
US4208610A (en) * 1978-06-09 1980-06-17 Zenith Radio Corporation Television picture tubes having an electron gun with aperture electrode shielding means
US4172309A (en) * 1978-07-21 1979-10-30 Zenith Radio Corporation Method of correcting deflection defocusing in self-converged color CRT display systems
DE2832687C2 (de) * 1978-07-26 1984-01-12 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektronenstrahlerzeugungssystem einer Farbbildkathodenstrahlröhre
US4288718A (en) * 1979-05-24 1981-09-08 Zenith Radio Corporation Means and method for beam spot distortion compensation in TV picture tubes
NL7904114A (nl) * 1979-05-25 1980-11-27 Philips Nv Kleurenbeeldbuis.
JPS5648037A (en) * 1979-09-26 1981-05-01 Mitsubishi Electric Corp Electrode structural body for inline electron gun
US4634923A (en) * 1979-11-15 1987-01-06 Rca Corporation Color picture tube having improved electron gun
US4317065A (en) * 1980-02-28 1982-02-23 Rca Corporation Color picture tube having an improved electron gun with expanded lenses
US4350923A (en) * 1980-03-27 1982-09-21 Rca Corporation Electron gun with balanced lens lips to reduce astigmatism
US4374342A (en) * 1980-10-15 1983-02-15 North American Philips Consumer Electronics Corp. Focusing means in a unitized bi-potential CRT electron gun assembly
US4374341A (en) * 1980-10-15 1983-02-15 North American Philips Consumer Electronics Corp. Beam focusing means in a unitized tri-potential CRT electron gun assembly
US4370592A (en) * 1980-10-29 1983-01-25 Rca Corporation Color picture tube having an improved inline electron gun with an expanded focus lens
US4388552A (en) * 1981-07-10 1983-06-14 Rca Corporation Color picture tube having an improved expanded focus lens type inline electron gun
US4388553A (en) * 1981-07-10 1983-06-14 Rca Corporation Color picture tube having an expanded focus lens type inline electron gun with an improved stigmator
ZA824780B (en) * 1981-07-10 1983-05-25 Rca Corp Color image display systems
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
JPS5830047A (ja) * 1981-08-14 1983-02-22 Nec Corp インライン型電子銃構体
JPS5830046A (ja) * 1981-08-14 1983-02-22 Nec Corp インライン型カラ−陰極線管
JPH0656739B2 (ja) * 1984-07-26 1994-07-27 株式会社東芝 電子銃
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
DE3605247A1 (de) * 1986-02-19 1987-08-20 Standard Elektrik Lorenz Ag Farbbildroehre
JP2735176B2 (ja) * 1986-03-19 1998-04-02 株式会社東芝 カラー受像管
JP2791047B2 (ja) * 1988-09-16 1998-08-27 株式会社日立製作所 カラー受像管用電子銃
JP2693470B2 (ja) * 1988-03-16 1997-12-24 株式会社東芝 カラー受像管
EP0361455B1 (en) * 1988-09-28 1997-08-27 Kabushiki Kaisha Toshiba Color cathode ray tube apparatus
NL9100380A (nl) * 1991-03-01 1992-10-01 Philips Nv Kathodestraalbuis met elektronenkanon met planparallelle optiek.
JP2605202B2 (ja) * 1991-11-26 1997-04-30 三星電管株式會社 カラー陰極線管用電子銃
KR970011876B1 (en) * 1992-11-02 1997-07-18 Toshiba Kk Color cathode ray tube
KR950003539Y1 (ko) * 1992-12-31 1995-05-03 석진철 칼라수상관용 전자총
KR950004345A (ko) * 1993-07-24 1995-02-17 이헌조 칼라수상관용 전자총
EP0638921A1 (de) * 1993-08-12 1995-02-15 NOKIA TECHNOLOGY GmbH In-Line-Strahlsystem für Bildröhren
KR960016431B1 (ko) * 1993-09-04 1996-12-11 엘지전자 주식회사 음극선관용 전자총
EP0663681A1 (en) * 1994-01-10 1995-07-19 Hitachi, Ltd. Cathode ray tube and deflection aberration correcting method of the same
US5905331A (en) * 1994-01-13 1999-05-18 Hitachi, Ltd. Cathode ray tube with deflection aberration correcting electrode
US5864203A (en) * 1994-03-25 1999-01-26 Mitsubishi Denki Kabushiki Kaisha Dynamic focusing electron gun
KR960019452A (ko) * 1994-11-04 1996-06-17 이헌조 칼라음극선관용 전자총구체
KR100189609B1 (ko) * 1995-07-28 1999-06-01 구자홍 칼라음극선관용 전자총의 전극구조
JPH1079234A (ja) * 1996-09-04 1998-03-24 Hitachi Ltd カラー陰極線管のコンバーゼンス補正方法
JPH10116569A (ja) 1996-10-14 1998-05-06 Hitachi Ltd 陰極線管の偏向収差補正方法
US6570314B2 (en) * 2000-04-14 2003-05-27 Matsushita Electric Industrial Co., Ltd. Color display tube
JP2002008557A (ja) * 2000-06-19 2002-01-11 Toshiba Corp 陰極線管装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2609516A (en) * 1950-10-31 1952-09-02 Rca Corp Art of forming and utilizing electron-beams of noncircular cross section
US2957106A (en) * 1954-08-12 1960-10-18 Rca Corp Plural beam gun
US3575625A (en) * 1968-04-13 1971-04-20 Sony Corp Color tube with convergence electrode mounting and connecting structure
US3852608A (en) * 1971-03-22 1974-12-03 Philips Corp Cathode-ray tube having an astigmatic lens element in its electron gun
US3928785A (en) * 1971-11-23 1975-12-23 Adrian W Standaart Single gun, multi-screen, multi-beam, multi-color cathode ray tube
BE793992A (fr) * 1972-01-14 1973-05-02 Rca Corp Tube a rayons cathodiques
JPS5720663B2 (enExample) * 1973-06-11 1982-04-30
JPS5651648Y2 (enExample) * 1973-06-15 1981-12-02
US3866080A (en) * 1973-08-08 1975-02-11 Rca Corp Inline electron gun having magnetically permeable plates for enhancing convergence of electron beams

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2232527A (en) * 1989-06-10 1990-12-12 Samsung Electronic Devices Dynamic focus electron gun
GB2232527B (en) * 1989-06-10 1993-10-27 Samsung Electronic Devices Dynamic focus electron gun
GB2288060A (en) * 1994-04-01 1995-10-04 Samsung Display Devices Co Ltd Electron gun for a colour CRT
GB2288060B (en) * 1994-04-01 1997-11-26 Samsung Display Devices Co Ltd Electron gun for color cathode ray tube
CN1061168C (zh) * 1994-04-01 2001-01-24 三星电管株式会社 彩色阴极射线管的电子枪
CN1090805C (zh) * 1995-07-28 2002-09-11 Lg电子株式会社 用于彩色阴极射线管的一字排列式电子枪

Also Published As

Publication number Publication date
DE2608463C3 (de) 1980-11-06
JPS607345B2 (ja) 1985-02-23
FR2303374A1 (fr) 1976-10-01
AU1156376A (en) 1977-09-08
JPS51118957A (en) 1976-10-19
DE2608463B2 (de) 1980-02-21
IT1055315B (it) 1981-12-21
FR2303374B1 (enExample) 1981-09-18
DE2608463A1 (de) 1976-09-09
AU500254B2 (en) 1979-05-17
US4086513A (en) 1978-04-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19960301