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GB2034108B - Convergence adjustment arrangement using magnetic tabs with differential motion - Google Patents

Convergence adjustment arrangement using magnetic tabs with differential motion

Info

Publication number
GB2034108B
GB2034108B GB7935104A GB7935104A GB2034108B GB 2034108 B GB2034108 B GB 2034108B GB 7935104 A GB7935104 A GB 7935104A GB 7935104 A GB7935104 A GB 7935104A GB 2034108 B GB2034108 B GB 2034108B
Authority
GB
United Kingdom
Prior art keywords
differential motion
adjustment arrangement
convergence adjustment
magnetic tabs
tabs
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
GB7935104A
Other versions
GB2034108A (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
Priority claimed from US06/012,074 external-priority patent/US4245205A/en
Priority claimed from US06/018,906 external-priority patent/US4218667A/en
Application filed by RCA Corp filed Critical RCA Corp
Publication of GB2034108A publication Critical patent/GB2034108A/en
Application granted granted Critical
Publication of GB2034108B publication Critical patent/GB2034108B/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
    • 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
    • H01J2229/5684—Magnetic materials, e.g. soft iron
GB7935104A 1978-10-13 1979-10-10 Convergence adjustment arrangement using magnetic tabs with differential motion Expired GB2034108B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US95100178A 1978-10-13 1978-10-13
US06/012,074 US4245205A (en) 1979-02-14 1979-02-14 Convergence adjustment arrangement using magnetic tabs with differential motion and rotary drive
US06/018,906 US4218667A (en) 1978-10-13 1979-03-09 Convergence adjustment arrangement using magnetic tabs with differential motion

Publications (2)

Publication Number Publication Date
GB2034108A GB2034108A (en) 1980-05-29
GB2034108B true GB2034108B (en) 1982-11-03

Family

ID=27359567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7935104A Expired GB2034108B (en) 1978-10-13 1979-10-10 Convergence adjustment arrangement using magnetic tabs with differential motion

Country Status (5)

Country Link
DE (1) DE2941431C2 (en)
FR (1) FR2438910A1 (en)
GB (1) GB2034108B (en)
IT (1) IT1193827B (en)
PL (1) PL132263B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0975003B1 (en) * 1998-07-16 2003-01-29 Matsushita Display Devices (Germany) GmbH Colour television or colour monitor with flat screen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3290533A (en) * 1964-04-23 1966-12-06 Rca Corp Conjointly-movable cam-actuated support means for magnets in color kinescopes
US3639796A (en) * 1968-03-11 1972-02-01 Sony Corp Color convergence system having elongated magnets perpendicular to plane of plural beams
US3605053A (en) * 1969-08-27 1971-09-14 Tracor Convergence- and purity-adjusting device for color television picture tube
US3743985A (en) * 1971-06-18 1973-07-03 Matsushita Electric Industrial Co Ltd Convergence system
US3942146A (en) * 1974-11-21 1976-03-02 General Instrument Corporation Purity adjusting device for slotted mask in-line color picture tubes
DE2506268C2 (en) * 1975-02-14 1977-01-20 Standard Elektrik Lorenz Ag DEFLECTION SYSTEM FOR COLOR TELEVISION TUBES

Also Published As

Publication number Publication date
PL132263B1 (en) 1985-02-28
FR2438910B1 (en) 1983-08-19
GB2034108A (en) 1980-05-29
DE2941431A1 (en) 1980-04-17
PL218934A1 (en) 1980-08-11
FR2438910A1 (en) 1980-05-09
IT7926354A0 (en) 1979-10-09
IT1193827B (en) 1988-08-24
DE2941431C2 (en) 1984-02-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee