GB1353623A - Toroidal electromagnetic deflection yoke - Google Patents

Toroidal electromagnetic deflection yoke

Info

Publication number
GB1353623A
GB1353623A GB1748671A GB1748671A GB1353623A GB 1353623 A GB1353623 A GB 1353623A GB 1748671 A GB1748671 A GB 1748671A GB 1748671 A GB1748671 A GB 1748671A GB 1353623 A GB1353623 A GB 1353623A
Authority
GB
United Kingdom
Prior art keywords
winding portion
winding
beam deflection
symmetry
coma
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
GB1748671A
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.)
TCA CORP
Original Assignee
TCA 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 TCA CORP filed Critical TCA CORP
Publication of GB1353623A publication Critical patent/GB1353623A/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
    • 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
    • H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
    • H01J29/76—Deflecting by magnetic fields only
    • H01J29/764—Deflecting by magnetic fields only using toroidal windings

Landscapes

  • Video Image Reproduction Devices For Color Tv Systems (AREA)

Abstract

1353623 Electron beam deflection systems RCA CORPORATION 27 May 1971 [3 June 1970] 17486/71 Addition to 1299491 Heading H1D A toroidally wound deflection yoke for providing beam deflection in a multi-beam colour TV picture tube (e.g. delta array) while maintaining substantial convergence over the raster comprises an annular core and a pair of orthogonally acting beam deflection windings symmetrically disposed about respective axes of symmetry, each winding comprising in each quadrant a first winding portion from the related axis of symmetry through a predetermined angular segment (e.g. # 1H ), a second winding portion extending through another angular segment (e.g. # 2H ), and a third winding portion extending through an annular segment (# 3H -# 4H ) angularly separated from that occupied by the second winding portion and disposed in the separation between second and third winding portions of the other windings. Convergence and registration can be maintained while ensuring minimum coma. Figs. 1 to 6 are as in the parent Specification 1,299,491 and a detailed theoretical treatment is included. Conductor 34C (Fig. 7) is at the coma invariant angle. Reference is made to shadow mask tubes.
GB1748671A 1970-06-03 1971-05-27 Toroidal electromagnetic deflection yoke Expired GB1353623A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4292770A 1970-06-03 1970-06-03

Publications (1)

Publication Number Publication Date
GB1353623A true GB1353623A (en) 1974-05-22

Family

ID=21924489

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1748671A Expired GB1353623A (en) 1970-06-03 1971-05-27 Toroidal electromagnetic deflection yoke

Country Status (10)

Country Link
US (1) US3643192A (en)
JP (1) JPS5221327B1 (en)
BE (1) BE768010R (en)
DE (1) DE2127657C3 (en)
ES (1) ES391896A2 (en)
FR (1) FR2103659A6 (en)
GB (1) GB1353623A (en)
IT (1) IT984562B (en)
NL (1) NL7107561A (en)
SE (1) SE368638B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS536489B1 (en) * 1970-09-09 1978-03-08
JPS4948248B1 (en) * 1970-12-26 1974-12-20
US3735299A (en) * 1971-10-04 1973-05-22 Rca Corp Color television deflection yoke having reduced variation in beam trio distortion
GB1370829A (en) * 1972-03-06 1974-10-16 Matsushita Electric Ind Co Ltd Toroidal deflection yoke for cathode ray tubes
AU553069B2 (en) * 1981-07-17 1986-07-03 W.R. Grace & Co.-Conn. Radial scan, pulsed light article inspection ccv system 0
US4511871A (en) * 1983-07-18 1985-04-16 Rca Corporation Modified deflection yoke coils having shootback windings
CN1409353A (en) * 2001-10-01 2003-04-09 松下电器产业株式会社 Cathod ray tube device

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
IT984562B (en) 1974-11-20
DE2127657A1 (en) 1971-12-09
FR2103659A6 (en) 1972-04-14
JPS5221327B1 (en) 1977-06-09
DE2127657C3 (en) 1979-08-09
US3643192A (en) 1972-02-15
NL7107561A (en) 1971-12-07
SE368638B (en) 1974-07-08
BE768010R (en) 1971-11-03
DE2127657B2 (en) 1973-07-26
ES391896A2 (en) 1973-07-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee