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CA988139A - Convergence device for short neck in-line cathode ray tube - Google Patents

Convergence device for short neck in-line cathode ray tube

Info

Publication number
CA988139A
CA988139A CA188,537A CA188537A CA988139A CA 988139 A CA988139 A CA 988139A CA 188537 A CA188537 A CA 188537A CA 988139 A CA988139 A CA 988139A
Authority
CA
Canada
Prior art keywords
ray tube
cathode ray
convergence device
line cathode
short neck
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
CA188,537A
Other versions
CA188537S (en
Inventor
John W. Lister
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.)
General Electric Co
Original Assignee
General 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
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of CA988139A publication Critical patent/CA988139A/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
CA188,537A 1973-04-13 1973-12-19 Convergence device for short neck in-line cathode ray tube Expired CA988139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US35068273A 1973-04-13 1973-04-13

Publications (1)

Publication Number Publication Date
CA988139A true CA988139A (en) 1976-04-27

Family

ID=23377756

Family Applications (1)

Application Number Title Priority Date Filing Date
CA188,537A Expired CA988139A (en) 1973-04-13 1973-12-19 Convergence device for short neck in-line cathode ray tube

Country Status (2)

Country Link
US (1) US3793602A (en)
CA (1) CA988139A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4100518A (en) * 1976-06-21 1978-07-11 Rca Corporation Eccentric convergence apparatus for in-line beam cathode ray tubes
US4232283A (en) * 1979-03-27 1980-11-04 Rca Corporation Electron beam moving apparatus for a color cathode ray tube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305807A (en) * 1965-07-02 1967-02-21 Gen Electric Convergence apparatus with convergence members on opposite surfaces of flat members
US3701065A (en) * 1971-02-03 1972-10-24 Rca Corp Color picture tube beam convergence apparatus
FR2130380B1 (en) * 1971-03-20 1976-03-05 Tokyo Shibaura Electric Co
US3725831A (en) * 1972-01-14 1973-04-03 Rca Corp Magnetic beam adjusting arrangements

Also Published As

Publication number Publication date
US3793602A (en) 1974-02-19

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