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    • 7. 发明专利
    • Electron gun for cathode-ray tube having improved definition
    • 电子枪用于具有改进定义的阴极射线管
    • JP2005085765A
    • 2005-03-31
    • JP2004258555
    • 2004-09-06
    • Thomson Licensing Saトムソン ライセンシング ソシエテ アノニムThomson Licensing S.A.
    • GUEUGNON NICOLASBIZOT PIERREGISSOT GREGOIRERICHARD NICOLAS
    • H01J29/48H01J29/50
    • H01J29/503
    • PROBLEM TO BE SOLVED: To provide an electron gun for a cathode-ray tube having improved definition used for a color television.
      SOLUTION: The electron gun for the cathode-ray tube is equipped with a quadripole having three electrodes (5, 6 and 7). Each electrode has a central aperture, a right side aperture and a left side aperture, and all the three apertures are substantially rectangular. Central parts (c5.2, c6.2 and c7.2) of each central aperture of three electrodes are aligned along an axis (z) of the electron gun. Central parts (c6.1, c6.3) of the left side aperture and the right side aperture of the second electrode (6) are separately aligned along a first axis (z1) and a second axis (z3), and these axes are in parallel to the axis (z) of the electron gun. Central parts (c5.1, c5.3, c7.1 and c7.3) of left side apertures and right side apertures (5.1, 5.3, 7.1 and 7.3) of the first electrode (5) and/or the third electrode (7) are offset to axes (z1, z3) passing through the central parts of the apertures of the second electrode. Such alignment can modify a defect of MODEC (beam deconvergence modulation).
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于彩色电视的具有改进的分辨率的阴极射线管的电子枪。 解决方案:用于阴极射线管的电子枪装备有具有三个电极(5,6和7)的四极管。 每个电极具有中心孔,右侧孔和左侧孔,并且所有三个孔基本上是矩形的。 三个电极的每个中心孔的中心部分(c5.2,c6.2和c7.2)沿电子枪的轴线(z)排列。 第二电极(6)的左侧孔径和右侧孔径的中心部分(c6.1,c6.3)沿着第一轴线(z1)和第二轴线(z3)分开排列,并且这些轴线 平行于电子枪的轴线(z)。 第一电极(5)和/或第三电极(5)的左侧孔和右侧孔(5.1,5.3,7.1和7.3)的中心部分(c5.1,c5.3,c7.1和c7.3) 7)偏移穿过第二电极的孔的中心部分的轴线(z1,z3)。 这种对准可以修改MODEC的缺陷(光束解调调制)。 版权所有(C)2005,JPO&NCIPI