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    • 89. 发明申请
    • Color picture tube apparatus
    • 彩色显像管装置
    • US20060043867A1
    • 2006-03-02
    • US11212462
    • 2005-08-26
    • Etsuji TagamiHiroshi Sakurai
    • Etsuji TagamiHiroshi Sakurai
    • H01J29/46
    • H01J29/762H01J29/702H01J2229/7033H04N9/28
    • A pair of coma aberration correction coils and a pair of YH correction coils are placed in upper and lower portions on an electron gun side from a ferrite core, and a pair of vertical auxiliary coils generating a magnetic field in the same direction as that of a vertical deflection magnetic field are placed in right and left portions on the electron gun side from the ferrite core. A horizontal deflection coil has a first coil and a second coil on an inner circumferential side of the first coil. A useful portion of the second coil is placed in a range of ±45° from a vertical axis with respect to a tube axis, and a bend portion of the second coil is placed on the electron gun side from a position that is away from the end on a screen side of the ferrite core to the screen side by 10 mm. Because of this, the misconvergence of PQH can be suppressed without increasing cost and power consumption with a simple configuration.
    • 一对彗形像差校正线圈和一对YH校正线圈从铁氧体磁心放置在电子枪侧的上部和下部,并且一对垂直辅助线圈沿与 垂直偏转磁场从铁氧体磁心放置在电子枪侧的左右两部分。 水平偏转线圈在第一线圈的内周侧具有第一线圈和第二线圈。 第二线圈的有用部分相对于管轴线从垂直轴线放置在±45°的范围内,并且第二线圈的弯曲部分从离开该线轴的位置放置在电子枪侧 在铁氧体磁芯的屏幕侧端部到屏幕侧10mm。 因此,通过简单的配置,可以抑制PQH的失会聚而不增加成本和功耗。