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    • 6. 发明授权
    • Color display tube device
    • 彩色显示管装置
    • US06380699B2
    • 2002-04-30
    • US09729396
    • 2000-12-04
    • Shunichi MiyazakiEtsuji Tagami
    • Shunichi MiyazakiEtsuji Tagami
    • H01F100
    • H01J29/703H01J2229/5682
    • A first magnet that generates a magnetic field having the same polarity as that generated by a vertical deflection coil during a deflection toward the upper side is provided on a phosphor screen side of the deflection coil and above a horizontal axis. A second magnet that generates a magnetic field having the same polarity as that generated by the vertical deflection coil during a deflection toward the lower side is provided on a phosphor screen side of the deflection coil and below the horizontal axis. A third magnet that generates a magnetic field having the opposite polarity to that generated by the vertical deflection coil during the deflection toward the upper side is provided on the phosphor screen side with respect to the first and second magnets and above the horizontal axis. A fourth magnet that generates a magnetic field having the opposite polarity to that generated by the vertical deflection coil during the deflection toward the lower side is provided on the phosphor screen side with respect to the first and second magnets and below the horizontal axis. Consequently, an upper and lower pincushion distortion and an upper and lower inner pincushion distortion can be corrected in a simple and low-cost manner.
    • 在偏转线圈的荧光屏侧,在水平轴上方,设置有产生与垂直偏转线圈相反极性相同极性的磁场的第一磁铁。 在偏转线圈的荧光屏侧,在水平轴的下方,设置有产生与垂直偏转线圈在向下侧偏转时产生的磁极相同极性的磁场的第二磁体。 在相对于第一和第二磁体并且在水平轴线上方的荧光屏侧,设置产生具有与由垂直偏转线圈在向上偏转期间产生的极性相反的极性的磁场的第三磁体。 在相对于第一和第二磁体并且在水平轴下方的荧光屏侧上设置有产生与由垂直偏转线圈在向下侧偏转时产生的极性相反极性的磁场的第四磁体。 因此,可以以简单且低成本的方式校正上下枕形失真和上下内枕形失真。
    • 9. 发明授权
    • Temperature-compensated static convergence apparatus
    • 温度补偿静态收敛装置
    • US3617963A
    • 1971-11-02
    • US3617963D
    • 1970-01-02
    • ZENITH RADIO CORP
    • BOTH RAYMOND F DEANTHONY ALBERT M
    • H01F7/02H01J29/00H01J29/70H01F3/12
    • H01J29/006H01F7/0284H01J29/702H01J2229/5682
    • A temperature-compensated static convergence apparatus for establishing and maintaining a substantially constant magnetic flux field across an electron beam path in a tricolor cathode-ray tube has a primary flux circuit for directing the field of magnetic flux across the beam path. A permanent magnet, which applies a field of magnetic flux to the primary flux circuit, has a flux density that varies inversely with temperature. A fluxpermeable compensating member, having a permeability that varies inversely with temperature, is disposed in magnetic coupling relation to the magnet and constitutes a flux loading circuit that diverts a portion of the magnetic flux from the primary flux circuit. The magnet and compensating member collectively establish, at a given temperature, a resultant magnetic flux field of predetermined strength across the electron beam path. Thus, a change in temperature that effects a change in the flux contribution of the magnet simultaneously alters the permeability of the compensating member so as to effect a substantially corresponding offsetting change in the loading effect of the compensator upon the field of the magnet, thereby maintaining the resultant flux field across the beam path at a predetermined strength.
    • 10. 发明授权
    • Color cathode-ray tube apparatus
    • 彩色阴极射线管装置
    • US07315112B2
    • 2008-01-01
    • US11207564
    • 2005-08-19
    • Ryu KobayashiKenichiro Taniwa
    • Ryu KobayashiKenichiro Taniwa
    • H01J31/00
    • H01J29/703H01J29/76H01J2229/5682
    • An insulating frame of a deflection yoke is fixed to a funnel with a metal band and a metal screw. A partition formed so as to be integrated with a holder holding a magnet ring of a CPU includes a first partition provided on a first axis so as to hide the metal screw when the deflection yoke is seen from the holder side along a tube axis, and a second partition provided on a second axis orthogonal to the first axis. A height H1 of the first partition, a height H2 of the second partition, a minimum height Hmin of the partition, a height HM of a pull of a magnet ring on a side closest to the deflection yoke, and an outer circumferential edge diameter RM of the magnet ring excluding the pull satisfy relationships: H1>H2, HM−H2>10 mm, and Hmin>RM. Because of this, a discharge between a metal band and a metal screw that fix the deflection yoke, and a velocity modulation coil can be prevented without decreasing the operability of the rotation adjustment of the magnet ring of the CPU.
    • 偏转线圈的绝缘框架用金属带和金属螺钉固定在漏斗上。 形成为与保持CPU的磁环的保持架一体形成的隔板包括设置在第一轴上的第一隔板,以便当沿管轴从保持器侧观察偏转线圈时隐藏金属螺钉,以及 设置在与第一轴正交的第二轴上的第二分隔件。 第一分隔件的高度H 1/1,第二分隔件的高度H 2 2,分隔件的最小高度H min min,高度 在最靠近偏转线圈的一侧的磁环的拉力和不包括拉的磁环的外周边缘直径R M M的下限满足关系: H 1 H 2 H 2 H 2 H 2 H 2 H 2 H 2 H 2 H 2 H 2 H 2 H / SUB >> R M M。 因此,可以防止金属带和固定偏转线圈的金属螺钉之间的放电和速度调制线圈,而不会降低CPU的磁环的旋转调节的可操作性。