CA988140A - Beam convergence exciter for shadow mask color picture tube - Google Patents

Beam convergence exciter for shadow mask color picture tube

Info

Publication number
CA988140A
CA988140A CA128,748A CA128748A CA988140A CA 988140 A CA988140 A CA 988140A CA 128748 A CA128748 A CA 128748A CA 988140 A CA988140 A CA 988140A
Authority
CA
Canada
Prior art keywords
exciter
shadow mask
picture tube
color picture
beam convergence
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
CA128,748A
Other versions
CA128748S (en
Inventor
William H. Barkow
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
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA988140A publication Critical patent/CA988140A/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
    • H01J29/705—Dynamic 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
    • H01J2229/0007—Elimination of unwanted or stray electromagnetic effects
    • H01J2229/0046—Preventing or cancelling fields within the enclosure
    • 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
    • H01J2229/563—Aberrations by type
    • H01J2229/5637—Colour purity
    • 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
    • H01J2229/5687—Auxiliary coils
CA128,748A 1970-12-08 1971-11-26 Beam convergence exciter for shadow mask color picture tube Expired CA988140A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US9600370A 1970-12-08 1970-12-08

Publications (1)

Publication Number Publication Date
CA988140A true CA988140A (en) 1976-04-27

Family

ID=22254602

Family Applications (1)

Application Number Title Priority Date Filing Date
CA128,748A Expired CA988140A (en) 1970-12-08 1971-11-26 Beam convergence exciter for shadow mask color picture tube

Country Status (10)

Country Link
US (1) US3663907A (en)
JP (1) JPS5114403B1 (en)
AU (1) AU473396B2 (en)
CA (1) CA988140A (en)
DE (1) DE2160883C3 (en)
ES (1) ES397752A1 (en)
FR (1) FR2117235A5 (en)
GB (1) GB1369076A (en)
IT (1) IT941956B (en)
NL (1) NL7116793A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19707069A1 (en) * 1997-02-22 1998-08-27 Thomson Brandt Gmbh Electron ray diversion device in cathode ray tube
EP1192636A1 (en) * 2000-03-28 2002-04-03 Koninklijke Philips Electronics N.V. Color display device with a deflection-dependent distance between outer beams
JP2006203709A (en) * 2005-01-24 2006-08-03 Citizen Electronics Co Ltd Oscillator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2949593A (en) * 1957-05-09 1960-08-16 Reynolds Metals Co Electrical coil formed from multilayer strip conductor
US3088046A (en) * 1960-05-20 1963-04-30 Sol L Reiches Color convergence assembly
US3268753A (en) * 1962-07-06 1966-08-23 Rca Corp Plural electron gun assembly and magnetic convergence cage
NL296268A (en) * 1962-08-06
US3325758A (en) * 1965-12-08 1967-06-13 Varian Associates Negative temperature coefficient shunt means for magnetic structures

Also Published As

Publication number Publication date
FR2117235A5 (en) 1972-07-21
JPS5114403B1 (en) 1976-05-10
DE2160883A1 (en) 1972-06-22
GB1369076A (en) 1974-10-02
ES397752A1 (en) 1975-06-16
AU3604571A (en) 1973-05-31
DE2160883B2 (en) 1973-11-08
NL7116793A (en) 1972-06-12
US3663907A (en) 1972-05-16
DE2160883C3 (en) 1974-05-30
IT941956B (en) 1973-03-10
AU473396B2 (en) 1973-05-31

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