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    • 14. 发明公开
    • DEFLECTION YOKE DEVICE
    • 偏转遥控装置
    • EP1286380A1
    • 2003-02-26
    • EP02716400.3
    • 2002-01-28
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • TANIWA, KenichiroIWASAKI, KatsuyoYOSHINAGA, Takahiko
    • H01J29/76
    • H01J29/707H01J29/705H01J2229/5687
    • A deflection yoke device includes a deflection yoke for deflecting electron beams in horizontal and vertical directions, the electron beams being emitted from an electron gun of a color cathode ray tube; coma correcting coils positioned on an electron gun side of the deflection yoke so as to be opposed to each other in such a manner that the electron beams pass therebetween; and a pair of cores around which the coma correcting coils are wound, wherein a sliding mechanism is further provided for allowing each of the coma correcting coils to be slidable with respect to the corresponding core. Therefore, a misconvergence can be corrected by a simplified configuration without reducing a sensitivity of the coma correcting coils.
    • 偏转线圈装置包括:偏转线圈,用于在水平和垂直方向上偏转电子束,电子束从彩色阴极射线管的电子枪发射; 位于偏转线圈的电子枪侧的彗差校正线圈,以使电子束在其间通过的方式彼此相对; 以及彗形象差校正线圈卷绕在其上的一对磁芯,其中还设置有滑动机构,以允许每个彗形像差校正线圈相对于相应的磁芯可滑动。 因此,可以在不降低彗形像差校正线圈的灵敏度的情况下通过简化的结构来校正失聚。