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NL164696C - MAGNETIC CONVERGENCE DEVICE FOR AN IN-LINE COLOR IMAGE TUBE. - Google Patents

MAGNETIC CONVERGENCE DEVICE FOR AN IN-LINE COLOR IMAGE TUBE.

Info

Publication number
NL164696C
NL164696C NL7204295.A NL7204295A NL164696C NL 164696 C NL164696 C NL 164696C NL 7204295 A NL7204295 A NL 7204295A NL 164696 C NL164696 C NL 164696C
Authority
NL
Netherlands
Prior art keywords
color image
line color
image tube
convergence device
magnetic convergence
Prior art date
Application number
NL7204295.A
Other languages
Dutch (nl)
Other versions
NL164696B (en
NL7204295A (en
Original Assignee
Tokyo Shibaura Electric Co
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 to US00237855A priority Critical patent/US3743984A/en
Priority to GB1449972A priority patent/GB1330827A/en
Priority to FR7211067A priority patent/FR2177559B1/fr
Application filed by Tokyo Shibaura Electric Co filed Critical Tokyo Shibaura Electric Co
Priority to DE19722215723 priority patent/DE2215723C3/en
Priority to NL7204295.A priority patent/NL164696C/en
Priority claimed from DE19722215723 external-priority patent/DE2215723C3/en
Priority to CH499972A priority patent/CH534426A/en
Publication of NL7204295A publication Critical patent/NL7204295A/xx
Application granted granted Critical
Publication of NL164696C publication Critical patent/NL164696C/en
Publication of NL164696B publication Critical patent/NL164696B/en

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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2229/00—Details of cathode ray tubes or electron beam tubes
    • H01J2229/56—Correction of beam optics
    • H01J2229/568—Correction of beam optics using supplementary correction devices
    • H01J2229/5681—Correction of beam optics using supplementary correction devices magnetic
    • H01J2229/5682—Permanently magnetised materials, e.g. permanent magnets
NL7204295.A 1972-03-24 1972-03-30 MAGNETIC CONVERGENCE DEVICE FOR AN IN-LINE COLOR IMAGE TUBE. NL164696C (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US00237855A US3743984A (en) 1972-03-24 1972-03-24 Magnetic convergence device for use in an in-line type color cathode ray tube
GB1449972A GB1330827A (en) 1972-03-24 1972-03-28 Magnetic convergence devic for use in an in-line type colour cathode ray tube
FR7211067A FR2177559B1 (en) 1972-03-24 1972-03-29
DE19722215723 DE2215723C3 (en) 1972-03-30 Magnetic focusing device
NL7204295.A NL164696C (en) 1972-03-24 1972-03-30 MAGNETIC CONVERGENCE DEVICE FOR AN IN-LINE COLOR IMAGE TUBE.
CH499972A CH534426A (en) 1972-03-24 1972-05-05 Convergence unit on a single-line color picture tube

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US23785572A 1972-03-24 1972-03-24
GB1449972 1972-03-28
FR7211067A FR2177559B1 (en) 1972-03-24 1972-03-29
DE19722215723 DE2215723C3 (en) 1972-03-30 Magnetic focusing device
NL7204295.A NL164696C (en) 1972-03-24 1972-03-30 MAGNETIC CONVERGENCE DEVICE FOR AN IN-LINE COLOR IMAGE TUBE.
CH499972A CH534426A (en) 1972-03-24 1972-05-05 Convergence unit on a single-line color picture tube

Publications (3)

Publication Number Publication Date
NL7204295A NL7204295A (en) 1973-10-02
NL164696C true NL164696C (en) 1980-08-15
NL164696B NL164696B (en) 1980-08-15

Family

ID=27543758

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7204295.A NL164696C (en) 1972-03-24 1972-03-30 MAGNETIC CONVERGENCE DEVICE FOR AN IN-LINE COLOR IMAGE TUBE.

Country Status (5)

Country Link
US (1) US3743984A (en)
CH (1) CH534426A (en)
FR (1) FR2177559B1 (en)
GB (1) GB1330827A (en)
NL (1) NL164696C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889217A (en) * 1973-02-28 1975-06-10 Gen Electric Convergence means for inline-type cathode ray tube
US4100518A (en) * 1976-06-21 1978-07-11 Rca Corporation Eccentric convergence apparatus for in-line beam cathode ray tubes
DE3271630D1 (en) * 1982-03-31 1986-07-17 Ibm Convergence unit for in-line colour cathode ray tube
US4833432A (en) * 1985-11-26 1989-05-23 Denki Onkyo Co., Ltd. Saturable reactor for use in self-convergence system fo deflection yoke

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791709A (en) * 1955-07-29 1957-05-07 Meco Inc Convergence unit for picture receiving tubes
US3305807A (en) * 1965-07-02 1967-02-21 Gen Electric Convergence apparatus with convergence members on opposite surfaces of flat members
US3496501A (en) * 1967-05-19 1970-02-17 Gen Instrument Corp Convergence coil assembly for color television
US3553523A (en) * 1969-06-12 1971-01-05 Sylvania Electric Prod Convergence means for plural in-line beam cathode ray tube

Also Published As

Publication number Publication date
US3743984A (en) 1973-07-03
FR2177559B1 (en) 1978-05-12
DE2215723A1 (en) 1973-10-11
CH534426A (en) 1973-02-28
GB1330827A (en) 1973-09-19
FR2177559A1 (en) 1973-11-09
NL164696B (en) 1980-08-15
NL7204295A (en) 1973-10-02
DE2215723B2 (en) 1976-07-01

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Legal Events

Date Code Title Description
V4 Discontinued because of reaching the maximum lifetime of a patent