BE751781A - CONVERGENCE DEVICE FOR CATHODIC TUBE WITH MULTIPLE BEAMS ALIGNED OR SIMILAR - Google Patents

CONVERGENCE DEVICE FOR CATHODIC TUBE WITH MULTIPLE BEAMS ALIGNED OR SIMILAR

Info

Publication number
BE751781A
BE751781A BE751781DA BE751781A BE 751781 A BE751781 A BE 751781A BE 751781D A BE751781D A BE 751781DA BE 751781 A BE751781 A BE 751781A
Authority
BE
Belgium
Prior art keywords
similar
multiple beams
convergence device
beams aligned
cathodic tube
Prior art date
Application number
Other languages
French (fr)
Inventor
R A Budd
Original Assignee
Sylvania Electric Prod
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 Sylvania Electric Prod filed Critical Sylvania Electric Prod
Publication of BE751781A publication Critical patent/BE751781A/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
    • H01J29/702—Convergence correction arrangements therefor
BE751781D 1969-06-12 1970-06-11 CONVERGENCE DEVICE FOR CATHODIC TUBE WITH MULTIPLE BEAMS ALIGNED OR SIMILAR BE751781A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83255769A 1969-06-12 1969-06-12

Publications (1)

Publication Number Publication Date
BE751781A true BE751781A (en) 1970-11-16

Family

ID=25262005

Family Applications (1)

Application Number Title Priority Date Filing Date
BE751781D BE751781A (en) 1969-06-12 1970-06-11 CONVERGENCE DEVICE FOR CATHODIC TUBE WITH MULTIPLE BEAMS ALIGNED OR SIMILAR

Country Status (4)

Country Link
US (1) US3553523A (en)
BE (1) BE751781A (en)
DE (1) DE2029144A1 (en)
FR (1) FR2052957A1 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684989A (en) * 1969-08-15 1972-08-15 Denki Onkyo Co Ltd Convergence apparatus for use in color television cathode ray tubes
US3701065A (en) * 1971-02-03 1972-10-24 Rca Corp Color picture tube beam convergence apparatus
JPS5631795B1 (en) * 1971-06-23 1981-07-23
US3800176A (en) 1972-01-14 1974-03-26 Rca Corp Self-converging color image display system
US3743984A (en) * 1972-03-24 1973-07-03 Tokyo Shibaura Electric Co Magnetic convergence device for use in an in-line type color cathode ray tube
FR2201539B1 (en) * 1972-09-29 1976-10-29 Tokyo Shibaura Electric Co
US3889217A (en) * 1973-02-28 1975-06-10 Gen Electric Convergence means for inline-type cathode ray tube
NL7313905A (en) * 1973-10-10 1975-04-14 Philips Nv DEVICE DEVICE FOR COLOR IMAGE TUBE.
US3930185A (en) * 1974-05-20 1975-12-30 Rca Corp Display system with simplified convergence
US3858134A (en) * 1974-06-03 1974-12-31 Gte Sylvania Inc Horizontal convergence means for in-line beam cathode ray tube
US3906418A (en) * 1974-08-14 1975-09-16 Gte Sylvania Inc Means for effecting dynamic vertical convergence in an in-line plural beam cathode ray tube
US4634923A (en) * 1979-11-15 1987-01-06 Rca Corporation Color picture tube having improved electron gun
GB2111744B (en) * 1981-09-25 1985-05-30 Denki Onkyo Co Ltd Convergence apparatus for colour cathode-ray tube
US4864195A (en) * 1988-05-05 1989-09-05 Rca Licensing Corp. Color display system with dynamically varied beam spacing
EP0421523B1 (en) * 1989-10-02 1995-06-28 Koninklijke Philips Electronics N.V. Colour display tube system with reduced spot growth
US5028850A (en) * 1990-07-19 1991-07-02 Rca Licensing Corporation Deflection system with a controlled beam spot
US5432401A (en) * 1992-10-05 1995-07-11 Murata Mfg. Co., Ltd. Correcting coil of deflection yoke
JP2003509810A (en) * 1999-09-06 2003-03-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Color display having quadrupole focusing coil
DE102006012164B4 (en) * 2005-12-23 2009-12-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Circuit arrangement for generating an alternating voltage or an alternating current
DE102017205231B3 (en) * 2017-03-28 2018-08-09 Carl Zeiss Microscopy Gmbh Particle-optical device and particle beam system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2717323A (en) * 1954-03-23 1955-09-06 Rca Corp Electron beam centering apparatus
US2907915A (en) * 1956-02-16 1959-10-06 Gen Electric Cathode ray tube structure including combined electrostatic and magnetic convergence system
US2975325A (en) * 1956-05-26 1961-03-14 Gen Electric Electron beam deflection system
US3303444A (en) * 1964-07-16 1967-02-07 Videocraft Mfg Co Electron beam convergence and deflection apparatus
US3325675A (en) * 1964-08-05 1967-06-13 Paramount Pictures Corp Three in-line gun magnetic convergence system
US3305807A (en) * 1965-07-02 1967-02-21 Gen Electric Convergence apparatus with convergence members on opposite surfaces of flat members
US3430099A (en) * 1966-08-23 1969-02-25 Gen Electric Simplified deflection system for plural in-line beam cathode ray tube

Also Published As

Publication number Publication date
DE2029144A1 (en) 1970-12-23
FR2052957A1 (en) 1971-04-16
US3553523A (en) 1971-01-05

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