JPH01126044U

JPH01126044U -

Info

Publication number: JPH01126044U
Application number: JP2109788U
Authority: JP
Priority date: 1988-02-19
Filing date: 1988-02-19
Publication date: 1989-08-29

Description

[Brief explanation of the drawing]

第１図Ａは実施例の偏向コイルの正面図、第１
図Ｂは同磁界の強さを表わすグラフ、第２図Ａは
対照例の偏向コイルの正面図、第２図Ｂは同磁界
の強さを表わすグラフ、第３図はボビンの内側の
形状を表わす斜視図、第４図は画歪の補正を示す
正面図、第５図は従来の補正のためのマグネツト
の配置を示す正面図、第６図は同画歪の補正を示
す正面図、第７図は別の従来の補正のためのマグ
ネツトの配置を示す正面図、第８図はマグネツト
による補正を示す正面図、第９図はさらに別の補
正のためのマグネツトの配置を示す正面図、第１
０図はマグネツトによる歪の補正を示す正面図、
第１１図はセクシーラインの画歪の正面図、第１
２図はトンビ歪の画歪の正面図である。なお図面に用いた符号において、１０…ボビン
、１３…セクシヨン溝、１７…第１の案内溝（前
側）、１９…第２の案内溝（後側）、２２…後側
の案内溝、２３…線材、２７…水平側のコイルセ
クシヨン、２８…切込み、である。 FIG. 1A is a front view of the deflection coil of the embodiment;
Figure B is a graph showing the strength of the same magnetic field, Figure 2A is a front view of the deflection coil of the control example, Figure 2B is a graph showing the strength of the same magnetic field, and Figure 3 is the inner shape of the bobbin. 4 is a front view showing correction of image distortion, FIG. 5 is a front view showing the arrangement of magnets for conventional correction, and FIG. 6 is a front view showing correction of image distortion. 7 is a front view showing another conventional arrangement of magnets for correction, FIG. 8 is a front view showing correction using magnets, and FIG. 9 is a front view showing another arrangement of magnets for correction. 1st
Figure 0 is a front view showing correction of distortion by magnets.
Figure 11 is a front view of the sexy line image distortion, 1st
Figure 2 is a front view of image distortion due to Tombi distortion. In the symbols used in the drawings, 10...bobbin, 13...section groove, 17...first guide groove (front side), 19...second guide groove (rear side), 22...rear side guide groove, 23... Wire rod, 27...horizontal side coil section, 28...notch.

Claims

[Scope of utility model registration request]

A section groove is formed in the longitudinal direction of the inner peripheral surface of the bobbin, and a front end guide groove and a rear end guide groove are respectively formed at the front end and rear end of the bobbin, and from the section groove to the front and rear guide grooves. In a horizontal neck-shaped deflection coil formed by winding along a plurality of front end guide grooves, a plurality of front end guide grooves are formed, and the introduction portion of the front end guide groove of the horizontal coil section is aligned with the front end guide groove of the plurality of front end guide grooves. A horizontal hollow-shaped deflection coil characterized by passing through a groove on the inner rear side.