FR2438910B1 - - Google Patents

Info

Publication number
FR2438910B1
FR2438910B1 FR7925511A FR7925511A FR2438910B1 FR 2438910 B1 FR2438910 B1 FR 2438910B1 FR 7925511 A FR7925511 A FR 7925511A FR 7925511 A FR7925511 A FR 7925511A FR 2438910 B1 FR2438910 B1 FR 2438910B1
Authority
FR
France
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
FR7925511A
Other languages
French (fr)
Other versions
FR2438910A1 (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 FR2438910A1 publication Critical patent/FR2438910A1/en
Application granted granted Critical
Publication of FR2438910B1 publication Critical patent/FR2438910B1/fr
Granted 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
FR7925511A 1978-10-13 1979-10-12 CONVERGENCE ADJUSTMENT ARRANGEMENT USING SMALL MAGNETIC PLATES WITH DIFFERENTIAL MOTION Granted FR2438910A1 (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
FR2438910A1 FR2438910A1 (en) 1980-05-09
FR2438910B1 true FR2438910B1 (en) 1983-08-19

Family

ID=27359567

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7925511A Granted FR2438910A1 (en) 1978-10-13 1979-10-12 CONVERGENCE ADJUSTMENT ARRANGEMENT USING SMALL MAGNETIC PLATES 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
DE59807070D1 (en) * 1998-07-16 2003-03-06 Matsushita Display Devices Ger Color television or color monitor with a 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 Ind 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
DE2941431A1 (en) 1980-04-17
GB2034108B (en) 1982-11-03
IT1193827B (en) 1988-08-24
IT7926354A0 (en) 1979-10-09
DE2941431C2 (en) 1984-02-16
FR2438910A1 (en) 1980-05-09
GB2034108A (en) 1980-05-29
PL132263B1 (en) 1985-02-28
PL218934A1 (en) 1980-08-11

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Legal Events

Date Code Title Description
ST Notification of lapse