ES457148A1 - Colour television display tube - Google Patents

Colour television display tube

Info

Publication number
ES457148A1
ES457148A1 ES457148A ES457148A ES457148A1 ES 457148 A1 ES457148 A1 ES 457148A1 ES 457148 A ES457148 A ES 457148A ES 457148 A ES457148 A ES 457148A ES 457148 A1 ES457148 A1 ES 457148A1
Authority
ES
Spain
Prior art keywords
display tube
permanent magnet
tube
television display
colour television
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
ES457148A
Other languages
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES457148A1 publication Critical patent/ES457148A1/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
    • H01J29/70—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
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/58—Electron beam control inside the vessel
    • H01J2229/581—Electron beam control inside the vessel by magnetic means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/58—Electron beam control inside the vessel
    • H01J2229/583—Electron beam control inside the vessel at the source
    • H01J2229/5835—Electron beam control inside the vessel at the source cooperating with the electron gun

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

Abstract

Perfections introduced in a color television image tube having a device for the correction of static convergence, a magnetizable permanent magnet being disposed inside the neck of the tube, characterized in that it is disposed on the electron gun or in the same at least one metallic permanent magnet that can be magnetized or demagnetized in a controlled manner from the outside until obtaining a given magnetic field strength of dispersion. *** see image 01 (Machine-translation by Google Translate, not legally binding)
ES457148A 1976-03-25 1977-03-23 Colour television display tube Expired ES457148A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762612607 DE2612607C3 (en) 1976-03-25 1976-03-25 Static convergence correction device in color television picture display tubes

Publications (1)

Publication Number Publication Date
ES457148A1 true ES457148A1 (en) 1978-03-01

Family

ID=5973364

Family Applications (1)

Application Number Title Priority Date Filing Date
ES457148A Expired ES457148A1 (en) 1976-03-25 1977-03-23 Colour television display tube

Country Status (10)

Country Link
JP (1) JPS52117517A (en)
AU (1) AU506881B2 (en)
BE (1) BE852807A (en)
CA (1) CA1075298A (en)
DE (1) DE2612607C3 (en)
ES (1) ES457148A1 (en)
FR (1) FR2345805A1 (en)
GB (1) GB1540817A (en)
HK (1) HK66279A (en)
NL (1) NL176115C (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2722477A1 (en) * 1977-05-18 1978-11-23 Standard Elektrik Lorenz Ag COLOR TELEVISION SCREENS
JPS5832378Y2 (en) * 1977-06-23 1983-07-18 松下電器産業株式会社 Convergence device
NL7707476A (en) * 1977-07-06 1979-01-09 Philips Nv PROCEDURE FOR MANUFACTURING A COLOR IMAGE TUBE AND COLOR IMAGE TUBE MADE IN ACCORDANCE WITH THAT PROCESS.
US4138628A (en) * 1977-07-26 1979-02-06 Rca Corporation Magnetizing method for use with a cathode ray tube
US4201932A (en) * 1978-02-06 1980-05-06 Rca Corporation Color purity adjusting method
JPS554807A (en) * 1978-06-24 1980-01-14 Mitsubishi Electric Corp Neck magnet of braun tube
DE2840211C2 (en) * 1978-09-15 1982-11-11 Standard Elektrik Lorenz Ag, 7000 Stuttgart Device for setting the convergence and color purity of a color picture tube
DE2903734C2 (en) * 1979-02-01 1982-11-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart Method for adjusting convergence and color purity in color picture tubes
JPS55108154A (en) * 1979-02-14 1980-08-19 Toshiba Corp Color picture tube apparatus
NL181895C (en) * 1979-10-02 1987-11-16 Philips Nv CATHODE JET TUBE WITH CORRECTION RINGS MULTIPOLO MAGNETIZED.
NL7907717A (en) * 1979-10-19 1981-04-22 Philips Nv DEVICE FOR DISPLAYING COLORED IMAGES.
JPS5667138A (en) * 1979-11-06 1981-06-06 Toshiba Corp Manufacturing method of color picture tube
JPS5667144A (en) * 1979-11-06 1981-06-06 Toshiba Corp Manufacturing method of color picture tube
DE2949851C2 (en) * 1979-12-12 1982-09-09 Standard Elektrik Lorenz Ag, 7000 Stuttgart Device for magnetizing a convergence device for inline color picture tubes
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
JPS57134837A (en) * 1981-02-16 1982-08-20 Toshiba Corp Manufacture of color picture tube
DE3219954A1 (en) * 1982-05-27 1983-12-01 Standard Elektrik Lorenz Ag, 7000 Stuttgart COLOR IMAGE TUBES WITH TWIST CORRECTION
DE3123301C2 (en) * 1981-06-12 1985-08-08 Standard Elektrik Lorenz Ag, 7000 Stuttgart Device for adjusting electron beams from a cathode ray tube
DE3123298A1 (en) * 1981-06-12 1983-01-05 Standard Elektrik Lorenz Ag, 7000 Stuttgart CATHODE RAY TUBES WITH MAGNETIC RING
JPS58128551U (en) * 1982-02-24 1983-08-31 日本電気株式会社 Color cathode ray tube equipment
JPS58128550U (en) * 1982-02-24 1983-08-31 日本電気株式会社 Color cathode ray tube equipment
DE3271747D1 (en) * 1982-03-31 1986-07-24 Ibm Convergence unit for in-line colour cathode ray tube
JPS5983362A (en) * 1982-11-04 1984-05-14 Matsushita Electric Ind Co Ltd Sealed lead-acid battery
JPS60112073U (en) * 1983-12-29 1985-07-29 株式会社ユアサコーポレーション Electrode plates for lead-acid batteries
NL8500786A (en) * 1985-03-19 1986-10-16 Philips Nv METHOD FOR THE MANUFACTURE OF A CATHODE JET TUBE
NL8500807A (en) * 1985-03-20 1986-10-16 Philips Nv PICTURE TUBE.
NL8500862A (en) * 1985-03-25 1986-10-16 Philips Nv METHOD FOR MANUFACTURING A COLOR IMAGE TUBE AND APPARATUS FOR CARRYING OUT THIS METHOD
GB8611321D0 (en) * 1986-05-09 1986-06-18 Philips Nv Correcting electron beam misconvergance
JPS6343243A (en) * 1986-08-07 1988-02-24 Nec Kansai Ltd Cathode-ray tube
JPS6372041A (en) * 1986-09-16 1988-04-01 Matsushita Electronics Corp Manufacture of magnet built-in cathode-ray tube
JP2937386B2 (en) * 1990-03-08 1999-08-23 株式会社東芝 Method of manufacturing color picture tube
JPH088077B2 (en) * 1990-06-18 1996-01-29 株式会社東芝 Cathode ray tube

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2544875A (en) * 1950-03-02 1951-03-13 Pye Ltd Combination centering, focusing, and deflecting device for beam of cathode-ray tubes
DE961735C (en) * 1953-03-19 1957-04-11 Fernseh Gmbh Method for centering the electron beam, especially for television picture tubes, with a permanent magnet surrounding the beam axis in a ring shape and arrangement for carrying out the method
US3217200A (en) * 1962-01-23 1965-11-09 Gen Electric Internal magnetic lens for electron beams
US3316432A (en) * 1963-11-13 1967-04-25 Gen Electric Cathode ray tube electron gun mount with unitary magnetic centering and gettering means
US3725831A (en) * 1972-01-14 1973-04-03 Rca Corp Magnetic beam adjusting arrangements
JPS5035769A (en) * 1973-07-31 1975-04-04
NL170683C (en) * 1975-04-01 1982-12-01 Philips Nv METHOD FOR MANUFACTURING A STATIC CONVERGENCE UNIT AND A COLOR IMAGE TUBE INCLUDING A CONVERGENCE UNIT, MANUFACTURED USING THAT METHOD

Also Published As

Publication number Publication date
AU506881B2 (en) 1980-01-24
GB1540817A (en) 1979-02-14
FR2345805B1 (en) 1980-04-18
DE2612607A1 (en) 1977-10-06
NL176115C (en) 1985-02-18
CA1075298A (en) 1980-04-08
JPS52117517A (en) 1977-10-03
JPS5731784B2 (en) 1982-07-07
DE2612607C3 (en) 1984-01-12
AU2349577A (en) 1978-09-28
NL176115B (en) 1984-09-17
NL7703075A (en) 1977-09-27
BE852807A (en) 1977-09-23
DE2612607B2 (en) 1979-12-13
HK66279A (en) 1979-09-21
FR2345805A1 (en) 1977-10-21

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19990201