EP0233616A3 - Colour picture tube - Google Patents

Colour picture tube

Info

Publication number
EP0233616A3
EP0233616A3 EP87102106A EP87102106A EP0233616A3 EP 0233616 A3 EP0233616 A3 EP 0233616A3 EP 87102106 A EP87102106 A EP 87102106A EP 87102106 A EP87102106 A EP 87102106A EP 0233616 A3 EP0233616 A3 EP 0233616A3
Authority
EP
European Patent Office
Prior art keywords
picture tube
colour picture
colour
tube
picture
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.)
Granted
Application number
EP87102106A
Other languages
German (de)
Other versions
EP0233616A2 (en
EP0233616B1 (en
Inventor
Bernhard Dr. Lau
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.)
Panasonic Holdings Corp
Original Assignee
Standard Elektrik Lorenz AG
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 Standard Elektrik Lorenz AG filed Critical Standard Elektrik Lorenz AG
Publication of EP0233616A2 publication Critical patent/EP0233616A2/en
Publication of EP0233616A3 publication Critical patent/EP0233616A3/en
Application granted granted Critical
Publication of EP0233616B1 publication Critical patent/EP0233616B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
EP87102106A 1986-02-19 1987-02-14 Colour picture tube Expired - Lifetime EP0233616B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863605247 DE3605247A1 (en) 1986-02-19 1986-02-19 COLORED PIPES
DE3605247 1986-02-19

Publications (3)

Publication Number Publication Date
EP0233616A2 EP0233616A2 (en) 1987-08-26
EP0233616A3 true EP0233616A3 (en) 1988-10-26
EP0233616B1 EP0233616B1 (en) 1991-06-26

Family

ID=6294441

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87102106A Expired - Lifetime EP0233616B1 (en) 1986-02-19 1987-02-14 Colour picture tube

Country Status (5)

Country Link
US (1) US4843278A (en)
EP (1) EP0233616B1 (en)
JP (1) JPS62193044A (en)
CA (1) CA1273986A (en)
DE (2) DE3605247A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR910009635B1 (en) * 1989-03-09 1991-11-23 삼성전관 주식회사 Dynamic focus electron gun
KR910005220Y1 (en) * 1989-06-10 1991-07-22 삼성전관 주식회사 Dynamic focus electron gun
US5731657A (en) * 1992-04-21 1998-03-24 Hitachi, Ltd. Electron gun with cylindrical electrodes arrangement
US6411026B2 (en) 1993-04-21 2002-06-25 Hitachi, Ltd. Color cathode ray tube
JPH08190877A (en) 1995-01-09 1996-07-23 Hitachi Ltd Cathode-ray tube

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303374A1 (en) * 1975-03-03 1976-10-01 Rca Corp PERFECTED ELECTRON CANNON FOR CATHODIC TUBE
US4498026A (en) * 1982-02-03 1985-02-05 Hitachi, Ltd. Electron gun for color picture tube

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2898493A (en) * 1956-05-31 1959-08-04 Sylvania Electric Prod Method and apparatus for controlling electron beams
JPS5525166Y2 (en) * 1977-04-27 1980-06-17
DE3003197A1 (en) * 1980-01-30 1981-08-06 Standard Elektrik Lorenz Ag, 7000 Stuttgart DEVICE FOR ADJUSTING THE ELECTRON BEAMS OF A COLOR IMAGE TUBE
US4412149A (en) * 1981-09-21 1983-10-25 North American Philips Consumer Electronics Corp. CRT Focusing electrode structure
JPS58216342A (en) * 1982-06-09 1983-12-16 Nec Corp Electron gun for color picture tube
JPS59127346A (en) * 1983-01-10 1984-07-23 Hitachi Ltd Color picture tube electron gun
US4517488A (en) * 1983-04-14 1985-05-14 North American Philips Consumer Electronics Corp. In-line electron gun structure for color cathode ray tube having lensing electrodes with tapered apertures and beam spot-shaping inserts
JPS60189144A (en) * 1984-03-07 1985-09-26 Nec Corp Electrode structure of cathode-ray tube electron gun

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2303374A1 (en) * 1975-03-03 1976-10-01 Rca Corp PERFECTED ELECTRON CANNON FOR CATHODIC TUBE
US4498026A (en) * 1982-02-03 1985-02-05 Hitachi, Ltd. Electron gun for color picture tube

Also Published As

Publication number Publication date
US4843278A (en) 1989-06-27
DE3770951D1 (en) 1991-08-01
EP0233616A2 (en) 1987-08-26
DE3605247A1 (en) 1987-08-20
CA1273986A (en) 1990-09-11
EP0233616B1 (en) 1991-06-26
JPH0578896B2 (en) 1993-10-29
JPS62193044A (en) 1987-08-24

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