公开(公告)号：US4754190A

公开(公告)日：1988-06-28

申请号：US27389

申请日：1987-03-18

申请人： Katsuhiro Hinotami ,  Shunichi Kishimoto ,  Goro Hamagishi ,  Masahiko Miyazaki ,  Shinji Yoshiyama

发明人： Katsuhiro Hinotami ,  Shunichi Kishimoto ,  Goro Hamagishi ,  Masahiko Miyazaki ,  Shinji Yoshiyama

IPC分类号： H01J29/76 ,  H01J31/12 ,  H01J29/86

CPC分类号： H01J31/124 ,  H01J29/76

摘要： A flat cathode-ray tube has a tubular glass body comprising a tubular neck portion, a flat funnel portion, a flat box-shaped head portion, an electron gun housed in the neck portion, and a fluorescent screen at the head portion. At least the funnel portion is made entirely of a flat glass plate. A deflection yoke, mounted on the junction of the neck and funnel portions, comprises a core having at its funnel-side end an opening approximately rectangular with substantially straight upper and lower sides and gently outwardly bulging arcuate opposite lateral sides. The core's inner surface, defining an opening, is continuously reducing in size from the funnel side toward the neck portion conforming with the tapered shape of the funnel portion. The yoke further comprises a pair of vertical deflection coils wound around an upper and a lower portion of the core. A pair of horizontal deflection coils, each have horizontal portions extending at least along the opposite sides of the funnel portion. A front-end bridge portion extends from the horizontal portion approximately perpendicular thereto and is positioned on the upper or bottom surface of the funnel portion in a direction perpendicular to the electron beam. The horizontal deflection coils are arranged inside the core at opposite sides symmetrically with respect to a horizontal plane of passage of the beam. At least the horizontal deflection coils have their inner surfaces intimately contacted with the outer surface of the funnel portion.

摘要翻译： 扁平阴极射线管具有管状玻璃体，其包括管状颈部，扁平漏斗部分，平坦的盒状头部，容纳在颈部中的电子枪和头部的荧光屏。 至少漏斗部分完全由平板玻璃板制成。 安装在颈部和漏斗部分的连接处上的偏转线圈包括芯部，其芯部在其漏斗端具有近似矩形的开口，基本上具有直的上侧和下侧以及稍微向外凸出的弓形相对的侧面。 芯部的内表面限定了开口，从漏斗侧到与颈部的锥形形状相适应的颈部部分的尺寸连续地减小。 磁轭还包括缠绕在磁芯的上部和下部的一对垂直偏转线圈。 一对水平偏转线圈各自具有至少沿漏斗部分的相对侧延伸的水平部分。 前端桥接部分从大致垂直于其的水平部分延伸，并且在与电子束垂直的方向上位于漏斗部分的上表面或底表面上。 水平偏转线圈相对于梁的水平通道平面对称地布置在芯内。 至少水平偏转线圈的内表面与漏斗部分的外表面紧密接触。

公开(公告)号：US06545578B2

公开(公告)日：2003-04-08

申请号：US09940458

申请日：2001-08-29

申请人： Shinji Yoshiyama

发明人： Shinji Yoshiyama

IPC分类号： H01F700

CPC分类号： B82Y15/00 ,  H01F7/0278 ,  H01J29/701

摘要： The invention provides a deflection yoke having two centering magnets mounted thereon for the adjustment of centering. Each of the centering magnets is molded in an annular form from a resin material containing a finely divided magnetic material, the centering magnet having two portions opposed to each other as displaced from each other by 180 degrees about a center axis of the annular form thereof and magnetized to an N pole and an S pole respectively, the content of the magnetic material varying circumferentially of the annular form, the distribution of the content being symmetrical about a straight line orthogonal to a straight line through a center point of the N pole and a center point of the S pole. The magnetic force for the adjustment of centering can be eliminated by the two magnets mounted in combination.