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    • 48. 发明申请
    • Color picture tube device with improved horizontal resolution
    • 彩色显像管,水平分辨率提高
    • US20030080670A1
    • 2003-05-01
    • US10260162
    • 2002-09-30
    • Hiroshi SakuraiEtsuji TagamiKazuo Nakano
    • H01J029/64
    • H01J29/702
    • A color picture tube device that can suppress the deformation of the electron beam spot shape and improve the horizontal resolution using a simple construction is provided. A horizontal deflection coil generates a horizontal deflection magnetic field that is substantially uniform. A plurality of electron beams are substantially parallel with the tube axis when passing one end of a core of a deflection yoke facing an electron gun. A lens forming unit forms a lens through which the plurality of electron beams pass, between the electron gun end of the core and a phosphor screen. The lens has an effect of causing the plurality of electron beams to approach each other in a horizontal direction, irrespective of which part of the phosphor screen the plurality of electron beams reach.
    • 本发明提供能够抑制电子束点形状的变形并且使用简单结构提高水平分辨率的彩色显像管装置。 水平偏转线圈产生基本均匀的水平偏转磁场。 当通过面对电子枪的偏转线圈的芯的一端时,多个电子束基本上与管轴平行。 透镜形成单元形成多个电子束在芯的电子枪端和荧光屏之间通过的透镜。 透镜具有使多个电子束在水平方向上彼此接近的效果,而不管多个电子束到达哪个部分的荧光屏。
    • 49. 发明授权
    • Convergence correction device and cathode-ray tube using such convergence correction device
    • 收敛校正装置和阴极射线管采用这种会聚校正装置
    • US06455996B1
    • 2002-09-24
    • US09468811
    • 1999-12-22
    • Toshiya Takagishi
    • Toshiya Takagishi
    • H01J2974
    • H01J29/702
    • In a convergence correction device according to the present invention and a cathode-ray tube using such convergence correction device, a core having wound thereat a vertical correction coil (M/Dv) to which a vertical deflection current is applied is used while such core is being saturated. Also, such core might be made of a material having a characteristic in which a changed amount of a reactance per deflection velocity becomes less than a predetermined value. The above-mentioned predetermined value is less than 2000 &mgr;H/msec, for example. Thus, a convergence pattern, which is difficult to correct at the intermediate portions of upper and lower separated screens of a cathode-ray tube according to the related art, may be satisfactorily corrected without producing bright and dark stripes on the screen of the cathode-ray tube.
    • 在根据本发明的会聚校正装置和使用这种会聚校正装置的阴极射线管中,使用在其上缠绕有施加垂直偏转电流的垂直校正线圈(M / Dv)的磁芯,而这种磁芯是 饱和 此外,这种芯可以由具有每偏转速度的电抗变化量变得小于预定值的特性的材料制成。 例如,上述预定值小于2000μH/ ms。 因此,可以令人满意地校正在根据现有技术的阴极射线管的上下分隔屏幕的中间部分难以校正的会聚图案,而不会在阴极射线管的屏幕上产生明暗条纹, 射线管。
    • 50. 发明授权
    • Inline type color picture tube
    • 直列式彩色显像管
    • US06448706B1
    • 2002-09-10
    • US09473955
    • 1999-12-29
    • Katsuyuki KawamuraYuichi InoueHiroki Taga
    • Katsuyuki KawamuraYuichi InoueHiroki Taga
    • H01J3100
    • H01J29/861H01J29/702H01J2229/862
    • A color picture tube has a panel which is substantially flat on its outer surface, while an inner surface of the panel is curved, and a shadow mask having a curved plane with a curvature that is greater than that of the curved plane on the inner panel surface. The panel is made of glass, such as a tint material, a ring-like magnet assembly (PCM) for convergence adjustment is provided outside of the neck, a first electromagnetic quadrupole coil is further attached to a portion outside of the neck for causing an electron beam spacing to change or vary in accordance with the deflection angle, and a second electromagnetic quadrupole coil is attached to a deflection yoke. The distance between adjacent ones of three cathodes of an electron gun is determined to be greater than or equal to 6.0 millimeters (mm).
    • 彩色显像管具有在其外表面上基本上平坦的面板,而面板的内表面是弯曲的,并且具有弯曲面的荫罩,其曲率大于内面板上的曲面的曲率 表面。 面板由玻璃制成,例如色素材料,用于会聚调节的环状磁体组件(PCM)设置在颈部外部,第一电磁四极线圈进一步附接到颈部外部的部分, 电子束间隔根据偏转角而变化或变化,第二电磁四极线圈附接到偏转线圈。 电子枪的三个阴极中相邻的一个之间的距离被确定为大于或等于6.0毫米(mm)。