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    • 3. 发明授权
    • Color picture tube
    • 彩色显像管
    • US07045942B2
    • 2006-05-16
    • US11142135
    • 2005-06-01
    • Norio ShimizuFumiaki NiheiToshio Uchikawa
    • Norio ShimizuFumiaki NiheiToshio Uchikawa
    • H01J29/81
    • H01J29/07H01J29/861H01J2229/0788H01J2229/0794H01J2229/862
    • The radius of curvature of the outer surface of a panel is 10,000 mm or more, and a shadow mask is made of a material containing 95% or more of iron. A sagging amount change curve along a curve C1 on the surface of the shadow mask, which a plane passing through a center P0 of a useful area of the shadow mask and parallel to a tube axis and a major axis crosses, satisfies a particular Condition 1. Assuming that an intersection between the curve C1 and a useful area end of the shadow mask is a major axis end PL, a distance from the center P0 to the major axis end PL along a major axis is W, and a point on the curve C1 away from the center P0 by ⅔×W in the major axis direction is P1, a sagging amount change curve along a curve C2 on the surface of the shadow mask, which a plane passing through the point P1 and parallel to the tube axis and the minor axis crosses, satisfies a particular Condition 2. Consequently, a color picture tube can be realized, which has satisfactory visibility, and less degradation in color purity caused by doming while having a shadow mask made of an inexpensive material with satisfactory moldability.
    • 面板的外表面的曲率半径为10,000mm以上,荫罩由含有95%以上的铁的材料构成。 沿着荫罩表面的曲线C 1的下垂量变化曲线,其通过荫罩的有用区域的中心P 0并平行于管轴和长轴交叉的平面满足特定的 条件1.假设曲线C 1和荫罩的有用区域端之间的交点是长轴端PL,则沿着长轴的中心P 0到长轴端PL的距离为W,并且 在长轴方向上离开中心P 0×2/3×W的曲线C 1上的点是P 1,沿着荫罩表面上的曲线C 2的下垂量变化曲线,通过点 P 1并且平行于管轴和短轴交叉,满足特定的条件2.因此,可以实现具有令人满意的可视性的彩色显像管,并且具有由具有荫罩制成的较少的由拱形引起的色纯度降低 的廉价材料,具有令人满意的成型性。
    • 4. 发明申请
    • Color picture tube
    • 彩色显像管
    • US20050269930A1
    • 2005-12-08
    • US11142135
    • 2005-06-01
    • Norio ShimizuFumiaki NiheiToshio Uchikawa
    • Norio ShimizuFumiaki NiheiToshio Uchikawa
    • H01J29/07H01J29/80H01J29/86
    • H01J29/07H01J29/861H01J2229/0788H01J2229/0794H01J2229/862
    • The radius of curvature of the outer surface of a panel is 10,000 mm or more, and a shadow mask is made of a material containing 95% or more of iron. A sagging amount change curve along a curve C1 on the surface of the shadow mask, which a plane passing through a center P0 of a useful area of the shadow mask and parallel to a tube axis and a major axis crosses, satisfies a particular Condition 1. Assuming that an intersection between the curve C1 and a useful area end of the shadow mask is a major axis end PL, a distance from the center P0 to the major axis end PL along a major axis is W, and a point on the curve C1 away from the center P0 by ⅔×W in the major axis direction is P1, a sagging amount change curve along a curve C2 on the surface of the shadow mask, which a plane passing through the point P1 and parallel to the tube axis and the minor axis crosses, satisfies a particular Condition 2. Consequently, a color picture tube can be realized, which has satisfactory visibility, and less degradation in color purity caused by doming while having a shadow mask made of an inexpensive material with satisfactory moldability.
    • 面板的外表面的曲率半径为10,000mm以上,荫罩由含有95%以上的铁的材料构成。 沿着荫罩表面的曲线C 1的下垂量变化曲线,其通过荫罩的有用区域的中心P 0并平行于管轴和长轴交叉的平面满足特定的 条件1.假设曲线C 1和荫罩的有用区域端之间的交点是长轴端PL,则沿着长轴的中心P 0到长轴端PL的距离为W,并且 在长轴方向上离开中心P 0×2/3×W的曲线C 1上的点是P 1,沿着荫罩表面上的曲线C 2的下垂量变化曲线,通过点 P 1并且平行于管轴和短轴交叉,满足特定的条件2.因此,可以实现具有令人满意的可视性的彩色显像管,并且具有由具有荫罩制成的较少的由拱形引起的色纯度降低 的廉价材料,具有令人满意的成型性。
    • 5. 发明申请
    • Color cathode-ray tube
    • 彩色阴极射线管
    • US20050007007A1
    • 2005-01-13
    • US10909317
    • 2004-08-03
    • Norio ShimizuToshio Uchikawa
    • Norio ShimizuToshio Uchikawa
    • H01J29/07H01J29/86H01J29/70H01J31/00
    • H01J29/861H01J29/07H01J2229/0788H01J2229/862
    • The mask body satisfies the following conditions, (ZMD−ZMH)/LMS≧0.020, and 0.065≦ZMD/LMD≦0.095 where in a substantially rectangular effective region with a predetermined curvature of the mask body, LMD is a distance between a central part and a diagonal-axis end of the effective region, LMS is a distance between a horizontal-axis end and the diagonal-axis end of the effective region, ZMD is a height difference between the central part and the diagonal-axis end in a direction of the tube axis, and ZMH is a height difference between the central part and the horizontal-axis end in the direction of the tube axis. With this structure, the mechanical strength of the mask body can be improved, and deformation of the mask body in a fabrication process and due to external shock can be prevented.
    • 掩模体满足以下条件:(ZMD-ZMH)/ LMS> = 0.020,并且0.065≤ZMD/ LMD <= 0.095其中在具有掩模体的预定曲率的基本矩形的有效区域中,LMD是 有效区域的中心部分和对角轴端部,LMS是有效区域的水平轴端与对角轴端之间的距离,ZMD是中心部分与对角轴端部之间的高度差 在管轴的方向上,ZMH是管轴方向上的中心部和水平轴端之间的高度差。 通过这种结构,可以提高面罩主体的机械强度,并且可以防止制造工艺中的面罩主体和外部冲击时的变形。
    • 6. 发明授权
    • Color cathode ray tube having particular effective inner panel surface and shadow mask effective surface shapes
    • 彩色阴极射线管具有特别有效的内表面和荫罩有效的表面形状
    • US06333594B1
    • 2001-12-25
    • US09220342
    • 1998-12-24
    • Shinichiro NakagawaNorio ShimizuMasatsugu Inoue
    • Shinichiro NakagawaNorio ShimizuMasatsugu Inoue
    • H01J2910
    • H01J29/861H01J2229/862
    • Provided is a color cathode ray tube, which comprises a panel including a substantially rectangular effective portion, of which the outer surface is a flat surface or a slightly curved surface, and a shadow mask having an effective surface opposite the inner surface of the effective portion of the panel. In this color cathode ray tube, the inner surface of the effective portion of the panel is a curved surface having a substantially infinite curvature radius RXp1 in the major-axis direction on the major axis thereof near the center, a predetermined curvature radius RXp2 in the major-axis direction near peripheral portions on the major axis, and another predetermined curvature radius in the minor-axis direction on the minor axis thereof. This color cathode ray tube, with its panel having the substantially flat outer surface, enjoys improved visibility and higher strength for the maintenance of the curved surface of the shadow mask.
    • 本发明提供一种彩色阴极射线管,其特征在于,具有包括大致矩形的有效部分的面板,所述面板的外表面为平坦面或微弯曲面,荫罩具有与有效部分的内表面相对的有效面 的面板。 在该彩色阴极射线管中,面板有效部分的内表面是在中心附近的长轴上的长轴方向上具有大致无限曲率半径RXp1的曲面,在中心的长轴上具有预定的曲率半径RXp2 在长轴上的周边部分附近的长轴方向和短轴上的短轴方向上的另一个预定的曲率半径。 该彩色阴极射线管具有基本上平坦的外表面,具有改进的可视性和更高的强度,用于维护荫罩的曲面。
    • 7. 发明授权
    • Color cathode ray tube having a shadow mask of improved strength
    • 具有提高强度的荫罩的彩色阴极射线管
    • US06323589B1
    • 2001-11-27
    • US09255697
    • 1999-02-23
    • Masatsugu InoueNorio ShimizuTadashi IteNobuhiko Akoh
    • Masatsugu InoueNorio ShimizuTadashi IteNobuhiko Akoh
    • H01J2980
    • H01J29/07H01J2229/0772
    • A color cathode ray tube has a shadow mask. The shadow mask is composed of an almost rectangular mask body and an almost rectangular mask frame. The mask body has an effective surface facing a fluorescent screen, a non-aperture section surrounding the effective surface, and a bent skirt section formed on the periphery of the non-aperture section. The mask frame has a sidewall section provided on the skirt section of the mask body. In the shadow mask of such a configuration, a step section having a step in the direction perpendicular to the skirt section of the mask body is formed. With this configuration, the strength with which the curved surface of the effective surface of the shadow mask is enhanced, which prevents the color purity from deteriorating due to deformation and facilitates the formation of the shadow mask.
    • 彩色阴极射线管具有荫罩。 荫罩由几乎矩形的荫罩体和几乎矩形的荫罩框组成。 面罩主体具有面向荧光屏的有效表面,围绕有效表面的非开口部分,以及形成在非开口部分的周边上的弯曲裙部。 面罩框架具有设置在面罩主体的裙部上的侧壁部分。 在这种构造的荫罩中,形成有与荫罩主体的裙部垂直的方向的台阶部。 通过这种结构,荫罩的有效面的曲面的强度提高,防止色变因变形而劣化,容易形成荫罩。