JPH0390579U

JPH0390579U -

Info

Publication number: JPH0390579U
Application number: JP15151989U
Authority: JP
Priority date: 1989-12-29
Filing date: 1989-12-29
Publication date: 1991-09-13

Description

[Brief explanation of drawings]

第１図および第２図は本考案の実施例を示し、
第１図はダイナミツクコンバージエンス補正装置
の縦断面図、第２図はコイルの巻回状態を示す回
路図、第３図ないし第８図は従来技術を示し、第
３図は画面特性を示す説明図で、第３図イは画面
コーナーに生じるミスコンバージエンスの状態を
示す説明図、第３図ロはミスコンバージエンスを
補正した状態を示す説明図、第４図は偏向ヨーク
装置の側面図、第５図は第１の従来技術を示すダ
イナミツクコンバージエンス補正装置の縦断面図
、第６図はコイルの巻回状態を示す回路図、第７
図は各コイルの巻回状態の変形例を示す回路図、
第８図は第２の従来技術を示すダイナミツクコン
バージエンス補正装置の縦断面図である。１１Ａ，１１Ｂ，１２Ａ，１２Ｂ……被制御コ
イル、３１……ダイナミツクコンバージエンス補
正装置、３２，３３……王字状コア、３２Ａ，３
２Ｂ，３３Ａ，３３Ｂ……大径鍔部、３２Ｄ，３
２Ｅ，３３Ｄ，３３Ｅ……巻線部、３４，３５，
３６……マグネツト、３８Ａ，３８Ｂ……制御コ
イル。 1 and 2 show an embodiment of the present invention,
Fig. 1 is a vertical cross-sectional view of the dynamic convergence correction device, Fig. 2 is a circuit diagram showing the winding state of the coil, Figs. 3 to 8 show the conventional technology, and Fig. 3 shows the screen characteristics. In the explanatory drawings, Fig. 3A is an explanatory drawing showing the state of misconvergence that occurs at the corner of the screen, Fig. 3B is an explanatory drawing showing the state in which misconvergence is corrected, and Fig. 4 is a side view of the deflection yoke device. , FIG. 5 is a vertical cross-sectional view of a dynamic convergence correction device showing the first prior art, FIG. 6 is a circuit diagram showing the winding state of the coil, and FIG.
The figure is a circuit diagram showing a modified example of the winding state of each coil,
FIG. 8 is a longitudinal cross-sectional view of a dynamic convergence correction device showing the second prior art. 11A, 11B, 12A, 12B... Controlled coil, 31... Dynamic convergence correction device, 32, 33... King-shaped core, 32A, 3
2B, 33A, 33B...Large diameter flange, 32D, 3
2E, 33D, 33E... Winding section, 34, 35,
36... Magnet, 38A, 38B... Control coil.

Claims

[Scope of utility model registration request]

First and second king-shaped cores that are arranged opposite to each other in the axial direction and each have two winding portions with a flange between them, and two winding wires on each of the first and second cores. four controlled coils that are divided and wound into sections and are supplied with a horizontal deflection current; and four controlled coils that are wound so as to surround the outer peripheries of the first and second cores and are supplied with a vertical deflection current. two control coils, and three control coils each provided at the left end flange of the first core, between the first and second cores, and at the right end flange of the second core, and magnetized in the plate thickness direction. A dynamic convergence correction device consisting of a plate-shaped magnet.