FR2144901A1 - - Google Patents

Info

Publication number
FR2144901A1
FR2144901A1 FR7224813A FR7224813A FR2144901A1 FR 2144901 A1 FR2144901 A1 FR 2144901A1 FR 7224813 A FR7224813 A FR 7224813A FR 7224813 A FR7224813 A FR 7224813A FR 2144901 A1 FR2144901 A1 FR 2144901A1
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.)
Granted
Application number
FR7224813A
Other languages
French (fr)
Other versions
FR2144901B3 (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.)
GTE Sylvania Inc
Original Assignee
GTE Sylvania Inc
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 GTE Sylvania Inc filed Critical GTE Sylvania Inc
Publication of FR2144901A1 publication Critical patent/FR2144901A1/fr
Application granted granted Critical
Publication of FR2144901B3 publication Critical patent/FR2144901B3/fr
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
FR7224813A 1971-07-08 1972-07-07 Expired FR2144901B3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16086571A 1971-07-08 1971-07-08

Publications (2)

Publication Number Publication Date
FR2144901A1 true FR2144901A1 (en) 1973-02-16
FR2144901B3 FR2144901B3 (en) 1975-09-05

Family

ID=22578790

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7224813A Expired FR2144901B3 (en) 1971-07-08 1972-07-07

Country Status (2)

Country Link
US (1) US3671897A (en)
FR (1) FR2144901B3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4232253A (en) * 1977-12-23 1980-11-04 International Business Machines Corporation Distortion correction in electromagnetic deflection yokes

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB514170A (en) * 1938-04-27 1939-11-01 British Thomson Houston Co Ltd Improvements in the magnetic deflection of the ray in cathode ray tubes
US2925542A (en) * 1957-05-31 1960-02-16 Gen Electric Deflection and dynamic convergence system for multi-beam cathode ray tubes
US3430099A (en) * 1966-08-23 1969-02-25 Gen Electric Simplified deflection system for plural in-line beam cathode ray tube
US3548350A (en) * 1969-01-15 1970-12-15 Gen Electric Wide angle deflection yoke for producing optimally non-uniform deflection fields

Also Published As

Publication number Publication date
US3671897A (en) 1972-06-20
FR2144901B3 (en) 1975-09-05

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