GB823083A - Improvements in or relating to the mounting of scanning coil assemblies on cathode ray tubes - Google Patents

Improvements in or relating to the mounting of scanning coil assemblies on cathode ray tubes

Info

Publication number
GB823083A
GB823083A GB2219656A GB2219656A GB823083A GB 823083 A GB823083 A GB 823083A GB 2219656 A GB2219656 A GB 2219656A GB 2219656 A GB2219656 A GB 2219656A GB 823083 A GB823083 A GB 823083A
Authority
GB
United Kingdom
Prior art keywords
wedge
magnets
scanning coil
relating
mounting
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
GB2219656A
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.)
JOHN EDWARD LEVI
EK Cole Ltd
Original Assignee
JOHN EDWARD LEVI
EK Cole Ltd
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 JOHN EDWARD LEVI, EK Cole Ltd filed Critical JOHN EDWARD LEVI
Priority to GB2219656A priority Critical patent/GB823083A/en
Publication of GB823083A publication Critical patent/GB823083A/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
    • H01J29/82—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements
    • H01J29/823—Mounting, supporting, spacing, or insulating electron-optical or ion-optical arrangements around the neck of the tube
    • H01J29/826—Deflection arrangements

Landscapes

  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)

Abstract

823,083. Electron beam deflecting apparatus. COLE Ltd., E. K., and LEVI, J. E. July 18, 1957 [July 18, 1956], No. 22196/56. Class 39(1). The scanning coil assembly A. B, C of a cathode-ray tube is pressed against the flared neck E of the tube by a two-part annular wedge G, tapering at each end, which is located by a clamp H and serves also as a mount for beam centring annular magnets Kl, K2. The clamp has a number of integral tabs J mating with the tapered end of the wedge. The two parts L1, L2 of the wedge are provided with interengaging arcuate tongues M1, M2 which together provide the bearing surface for the magnets K1, K2. The magnets, K1, K2 are magnetised across their diameters and are spaced apart by a slightly bent brass washer N. The wedge parts may be made of polystyrene.
GB2219656A 1956-07-18 1956-07-18 Improvements in or relating to the mounting of scanning coil assemblies on cathode ray tubes Expired GB823083A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2219656A GB823083A (en) 1956-07-18 1956-07-18 Improvements in or relating to the mounting of scanning coil assemblies on cathode ray tubes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2219656A GB823083A (en) 1956-07-18 1956-07-18 Improvements in or relating to the mounting of scanning coil assemblies on cathode ray tubes

Publications (1)

Publication Number Publication Date
GB823083A true GB823083A (en) 1959-11-04

Family

ID=10175500

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2219656A Expired GB823083A (en) 1956-07-18 1956-07-18 Improvements in or relating to the mounting of scanning coil assemblies on cathode ray tubes

Country Status (1)

Country Link
GB (1) GB823083A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218561A2 (en) * 1985-10-08 1987-04-15 Plessey S.p.A. Société dite: Deflection unit with ferromagnetic supports to be magnetized in relation to the coupling with the kinescope, and use procedure thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0218561A2 (en) * 1985-10-08 1987-04-15 Plessey S.p.A. Société dite: Deflection unit with ferromagnetic supports to be magnetized in relation to the coupling with the kinescope, and use procedure thereof
EP0218561A3 (en) * 1985-10-08 1987-12-02 Plessey S.p.A. Société dite: Deflection unit with ferromagnetic supports to be magnetized in relation to the coupling with the kinescope, and use procedure thereof

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