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目前国内外彩色电视机,已普遍采用自会聚显象管作图象显示。但还存在着光栅左右向(E—W)枕形畸变。本文对其校正光栅左右向枕形畸变的原理、方式作了介绍。着重对冷轧硅钢翼校正光栅左右向枕形畸变的自会聚彩色偏转线圈中校正翼的设计、校正翼的类型及其所用冷轧硅钢材料的选择等,进行了较详尽的分析和讨论。
At present, domestic and international color TV sets have been widely used for self-convergence picture tubes for image display. But there is also a grating left and right (E-W) pincushion distortion. This paper introduces the principle and method of correcting pincushion distortion around the grating. Focusing on the design of the correction wing, the type of the correction wing and the selection of the cold-rolled silicon steel used in the self-convergence color deflection coil with pincushion distortion of left and right pinch-off of cold-rolled silicon steel wing correction grating are analyzed and discussed in detail.