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    • 5. 发明授权
    • Self-converging deflection yoke
    • 自会偏转线圈
    • US4246560A
    • 1981-01-20
    • US943347
    • 1978-09-18
    • Toshiharu ShimizuTakesuke MaruyamaShuzo MatsumotoKei YamashitaAtushi Takeyama
    • Toshiharu ShimizuTakesuke MaruyamaShuzo MatsumotoKei YamashitaAtushi Takeyama
    • H01J29/70H01J29/76H01F1/00H01F7/00
    • H01J29/76H01J29/703
    • A deflection yoke for use with a picture tube of a television receiver. A vertical deflection coil of the deflection coil has a larger winding angle on an electron gun side thereof than on a screen side thereof. A magnetic material piece is disposed inside the vertical deflection coil so that a vertical deflection magnetic field is formed into a strong barrel magnetic field on the electron gun side. As a result, a raster scanned on a faceplate of the picture tube is free from misconvergence and pincushion distortion. A core of the deflection yoke has sawtooth-shaped end surfaces, or auxiliary rings having sawtooth-shaped end surfaces are disposed on the end surfaces of the core. As a result, a wire of the vertical deflection coil is prevented from slipping on the end surfaces of the core although the wire of the vertical deflection coil is wound at a large winding angle on the electron gun side.
    • 一种用于电视接收机的显像管的偏转线圈。 偏转线圈的垂直偏转线圈的电子枪侧的绕组角度大于其屏幕侧。 磁性材料片设置在垂直偏转线圈的内部,使得垂直偏转磁场在电子枪侧形成强的筒状磁场。 结果,在显像管的面板上扫描的光栅没有失会聚和枕形失真。 偏转线圈的芯具有锯齿形端面,或者具有锯齿状端面的辅助环设置在芯的端面上。 结果,尽管垂直偏转线圈的线以大的卷绕角卷绕在电子枪侧上,但是防止垂直偏转线圈的线滑动在芯的端面上。