JPS5813658U - Color cathode ray tube equipment - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来のカラー陰極線管装置を示す一部切欠した
側面図、第２図は従来のリング磁石をホルダに装着した
状態を示す斜視図、第３図は従来のリング磁石を示す斜
視図、第゛４図は従来のリング磁石における磁化容易軸
が一方向のものを示す説明図、第５図は、従来のリング
磁石における磁化容易軸が中心に集束しているものを示
す説明図、第６図は第４図のリング磁石の製造工程を示
す説明図、第７図は第５図のリング磁石の製造工程を示
す説明図、第８図はこの考案の一実施例によるカラー陰
極線管装置を示す側面図、第９図は同装置のリング磁石
を示す斜視図、第１０図は同装置のリング磁石の製造工
程を示す説明図である。 ２・・・ネック部、９・・・リング磁石、９ａ、　　９
ｂ。 ９ｃ、　　９ｄ・・・磁性片、ｅ・・・管軸。なお、図
中同一符号は同一または相当部分を示す。 ７３　／ −第７図 ２Figure 1 is a partially cutaway side view of a conventional color cathode ray tube device, Figure 2 is a perspective view of a conventional ring magnet attached to a holder, and Figure 3 is a perspective view of a conventional ring magnet. , Fig. 4 is an explanatory diagram showing a conventional ring magnet in which the axis of easy magnetization is unidirectional, and Fig. 5 is an explanatory diagram showing a conventional ring magnet in which the axis of easy magnetization is converged at the center. Figure 6 is an explanatory diagram showing the manufacturing process of the ring magnet shown in Figure 4, Figure 7 is an explanatory diagram showing the manufacturing process of the ring magnet shown in Figure 5, and Figure 8 is a color cathode ray tube according to an embodiment of the invention. FIG. 9 is a side view showing the device, FIG. 9 is a perspective view showing a ring magnet of the device, and FIG. 10 is an explanatory view showing the manufacturing process of the ring magnet of the device. 2...Neck part, 9...Ring magnet, 9a, 9
b. 9c, 9d...Magnetic piece, e...Tube shaft. Note that the same reference numerals in the figures indicate the same or corresponding parts. 73/-Figure 7 2

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] カラー陰極線管のネック部に装着されて電子ビームのコ
ンバーゼンスを調整するためのリング磁石を、円周方向
に分割された複数の磁性片で形成し、各磁性片の磁化容
易軸の方向を上記ネック部゛の管軸に対して垂直で、か
つ、管軸に集束するように設定したことを特徴とするカ
ラー陰極線管装置。A ring magnet that is attached to the neck of a color cathode ray tube to adjust the convergence of the electron beam is formed of a plurality of magnetic pieces divided in the circumferential direction, and the direction of the axis of easy magnetization of each magnetic piece is set to the neck of the color cathode ray tube. 1. A color cathode ray tube device characterized by being set perpendicular to a tube axis of a section and focused on the tube axis.