首页>
外国专利>
The correction device of the deformations geometrical north - south poles of a cathode-ray tube, in particular of a tube aspherical
The correction device of the deformations geometrical north - south poles of a cathode-ray tube, in particular of a tube aspherical
展开▼
机译:阴极射线管,特别是非球面阴极射线管的几何南北极变形的校正装置
展开▼
页面导航
摘要
著录项
相似文献
摘要
In order to avoid the use of two modulators of the background [0001] - north, south, the invention provides to use at least four magnets 4 - 7 shifted of 30 with respect to the axis of the north and south - deviator.
展开▼