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    • 3. 发明授权
    • Deflection unit for a cathode-ray tube
    • 用于阴极射线管的偏转单元
    • US4260974A
    • 1981-04-07
    • US010874
    • 1979-02-09
    • Friedrich Nelle
    • Friedrich Nelle
    • H01J9/236H01J29/76H01F7/00
    • H01J29/766
    • In cathode-ray tubes which require a precise specific electromagnetic deflection field configuration as for example, in self-converging color television picture tubes, an accurate distribution of the coil windings has to be maintained on the inside of the deflection unit. In practice, this requirement has been met with the aid of toroidal coil windings, but with respect to the more sensitive saddle-type coils this problem has not yet been solved satisfactorily, especially when large numbers of winding turns are to be accommodated. With respect to saddle-type coils the invention proposes to solve this problem by placing the windings into grooves.
    • 在需要精确的电磁偏转场配置的阴极射线管中,例如在自会聚彩色电视显像管中,必须在偏转单元的内侧保持线圈绕组的精确分布。 在实践中,这个要求已经通过环形线圈绕组得到了满足,但是对于更敏感的鞍形线圈,这个问题还没有得到令人满意的解决,特别是当要容纳大量绕组匝时。 关于鞍型线圈,本发明提出通过将绕组放入凹槽来解决这个问题。