JPS6349751U

JPS6349751U -

Info

Publication number: JPS6349751U
Application number: JP14349986U
Authority: JP
Priority date: 1986-09-19
Filing date: 1986-09-19
Publication date: 1988-04-04
Also published as: JPH0455401Y2

Description

[Brief explanation of drawings]

第１図は本実施例に係る偏向ヨーク装置の正面
図、第２図は第１図の右側面図、第３図はコイル
ボビンの正面図、第４図は補助ボビンの正面図、
第５図は水平偏向コイルとキヤンセルコイルによ
つて発生する磁界の状態を示す説明図である。１……コア、２，３……水平偏向コイル、４，
５……垂直偏向コイル、６……コイルボビン、６
Ａ……周胴部、６Ｂ……前端拡大部、６Ｃ……後
端拡大部、７……補助ボビン、７Ａ……前部環状
部、７Ｂ……後部環状部、７Ｃ，７Ｄ……連結部
、８，９……巻線溝、１０，１１……キヤンセル
コイル、１２……嵌合溝、１３……嵌合突起。 FIG. 1 is a front view of the deflection yoke device according to this embodiment, FIG. 2 is a right side view of FIG. 1, FIG. 3 is a front view of the coil bobbin, and FIG. 4 is a front view of the auxiliary bobbin.
FIG. 5 is an explanatory diagram showing the state of the magnetic field generated by the horizontal deflection coil and the cancel coil. 1...Core, 2, 3...Horizontal deflection coil, 4,
5... Vertical deflection coil, 6... Coil bobbin, 6
A...Circumferential body part, 6B...Front end enlarged part, 6C...Rear end enlarged part, 7...Auxiliary bobbin, 7A...Front annular part, 7B...Rear annular part, 7C, 7D...Connection part, 8 , 9... Winding groove, 10, 11... Cancel coil, 12... Fitting groove, 13... Fitting protrusion.

Claims

[Scope of utility model registration request]

It has a core, a pair of saddle-shaped horizontal deflection coils and a pair of saddle-shaped or toroidal-shaped vertical deflection coils provided along the core, and a circumferential body part disposed on the inner surface of the core, and a front end enlarged part and a rear end part. A deflection yoke device comprising a coil bobbin having an enlarged end portion and provided between the horizontal deflection coil and the vertical deflection coil, a front annular portion extending along the outer periphery of the enlarged front end portion and the enlarged rear end portion of the coil bobbin, respectively; an auxiliary bobbin having a rear annular part and a pair of connecting parts located outside the core and connecting the front annular part and the rear annular part; the front annular part, the rear annular part of the auxiliary bobbin; a pair of cancel coils guided by a connecting portion and formed in a saddle shape; a front end enlarged portion of the coil bobbin;
A rotation restricting means for preventing rotation of the auxiliary bobbin is formed in at least one of the rear end enlarged parts and at least one of the front annular part and the rear annular part of the auxiliary bobbin. A deflection yoke device characterized by: