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    • 2. 发明授权
    • Color display device having quadrupole convergence coils
    • 具有四极会聚线圈的彩色显示装置
    • US06411027B1
    • 2002-06-25
    • US09338049
    • 1999-06-22
    • Albertus A. S. SluytermanNicolaas G. VinkTjerk G. SpanjerLeopold C. M. Beirens
    • Albertus A. S. SluytermanNicolaas G. VinkTjerk G. SpanjerLeopold C. M. Beirens
    • H01J2970
    • H01J29/705H01J29/707H01J2229/5687
    • The invention relates to a color display device comprising an in-line electron gun (5) for generating three electron beams (6,7,8), and a convergence unit (14′) to dynamically influence the convergence of the electron beams, preferably to decrease a distance (p) between the electron beams. The convergence unit (14′) comprises a ring-shaped element (21′) having four coils (22′). The coils (22′) comprise electrically conductive wires, which have been toroidally wound in a winding direction and according to a winding density distribution N (&phgr;) given by N (&phgr;)=N0 cos (2&phgr;). Here &phgr; is an angle enclosed by the X-direction and a line between an element of the coil and the center, which ranges between 0° and 360°, N0 is the winding density at &phgr; equal to 0°, and the sign of N &phgr; denotes the winding direction.
    • 本发明涉及一种彩色显示装置,包括用于产生三个电子束(6,7,8)的一字排列的电子枪(5,8),以及用于动态地影响电子束的会聚的会聚单元(14'),优选地 以减小电子束之间的距离(p)。 会聚单元(14')包括具有四个线圈(22')的环形元件(21')。 线圈(22')包括已经沿着卷绕方向环绕缠绕并根据由N(phi)= N 0 cos(2phi)给出的绕组密度分布N(phi)的导电线。 这里,phi是由X方向和线圈的元件与中心之间的线包围的角度,其范围在0°和360°之间,N0是在phi等于0°处的卷绕密度,N的符号 phi表示卷绕方向。
    • 4. 发明授权
    • Device for displaying television pictures and deflection unit therefor
    • 用于显示电视图像和偏转单元的装置
    • US4492943A
    • 1985-01-08
    • US583069
    • 1984-02-23
    • Albertus A. S. SluytermanNicolaas G. Vink
    • Albertus A. S. SluytermanNicolaas G. Vink
    • H01J29/70H01J29/76H01F5/02
    • H01J29/76
    • An electromagnetic deflection unit is disposed around a portion of a display tube and comprises a first deflection coil for producing, when energized, a frame deflection field and a second deflection coil for producing, when energized, a line deflection field the second deflection coil and being located coaxially within the first deflection coil, each deflection coil having two diametrically oppositely located deflection coil units. The first deflection coil has a winding distribution for generating, upon energization, a dipole deflection field in combination with a positive sixpole deflection field on the side of the gun system, generating a dipole field in combination with a negative sixpole field in the central area, and generating a dipole field in combination with a positive sixpole on the side facing the display screen, the first and the second deflection coils being positioned axially with respect to each other in such manner that upon energization the magnetic field generated by the first deflection coil extends further towards the display screen than the magnetic field generated by the second deflection coil so that the device shows a minimum east-west raster error.
    • 电磁偏转单元设置在显示管的一部分周围,并且包括第一偏转线圈,用于当通电时产生框架偏转场和第二偏转线圈,用于当通电时产生第二偏转线圈的线偏转场,并且 位于同轴的第一偏转线圈内,每个偏转线圈具有两个直径相对位置的偏转线圈单元。 第一偏转线圈具有绕组分布,用于在激励时产生与枪系统侧面上的正六极偏转场结合的偶极偏转场,与中心区域中的负六极场相结合产生偶极场, 并且在面向显示屏的一侧与正六极组合产生偶极场,第一和第二偏转线圈相对于彼此轴向定位,使得在通电时,第一偏转线圈产生的磁场延伸 进一步朝着显示屏比由第二偏转线圈产生的磁场显示出最小的东西方光栅误差。