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    • 3. 发明申请
    • Projection tube apparatus
    • 投影管装置
    • US20050189861A1
    • 2005-09-01
    • US11055237
    • 2005-02-08
    • Takahiko YoshinagaKenichiro Taniwa
    • Takahiko YoshinagaKenichiro Taniwa
    • H01J31/10H01J29/70H01J29/76
    • H01J29/76
    • A projection tube apparatus includes: a valve made up of a face panel having a screen face on its external face, a funnel connected to a rear portion of the face panel, and a neck portion; an electron gun that emits an electron beam and is housed in the neck portion; and a deflection device mounted at an outer circumference of the funnel on the neck portion side. The deflection device at least includes: horizontal deflection coils that generate a horizontal deflection field for deflecting the electron beam in the horizontal direction; vertical deflection coils that generate a vertical deflection field for deflecting the electron beam in the vertical direction and is disposed outside the horizontal deflection coils; and a ferrite core disposed outside the vertical deflection coils. A distance Ls between an end portion of the horizontal deflection coils on the screen face side and the screen face is set to 55 mm≦Ls≦80 mm.
    • 投影管装置包括:阀门,其由在其外表面上具有筛面的面板,与所述面板的后部连接的漏斗和颈部构成; 发射电子束并容纳在颈部的电子枪; 以及偏转装置,其安装在所述漏斗的外周的颈部侧。 偏转装置至少包括:水平偏转线圈,其产生用于在水平方向上偏转电子束的水平偏转场; 垂直偏转线圈,其产生用于在垂直方向上偏转电子束的垂直偏转场,并设置在水平偏转线圈的外侧; 以及设置在垂直偏转线圈外侧的铁氧体磁芯。 屏幕表面侧的水平偏转线圈的端部与屏幕面之间的距离Ls设定为55mm <= Ls <= 80mm。
    • 7. 发明授权
    • Projection tube apparatus
    • 投影管装置
    • US07227300B2
    • 2007-06-05
    • US11055237
    • 2005-02-08
    • Takahiko YoshinagaKenichiro Taniwa
    • Takahiko YoshinagaKenichiro Taniwa
    • H01J29/70
    • H01J29/76
    • A projection tube apparatus includes: a valve made up of a face panel having a screen face on its external face, a funnel connected to a rear portion of the face panel, and a neck portion; an electron gun that emits an electron beam and is housed in the neck portion; and a deflection device mounted at an outer circumference of the funnel on the neck portion side. The deflection device at least includes: horizontal deflection coils that generate a horizontal deflection field for deflecting the electron beam in the horizontal direction; vertical deflection coils that generate a vertical deflection field for deflecting the electron beam in the vertical direction and is disposed outside the horizontal deflection coils; and a ferrite core disposed outside the vertical deflection coils. A distance Ls between an end portion of the horizontal deflection coils on the screen face side and the screen face is set to 55 mm≦Ls≦80 mm.
    • 投影管装置包括:阀门,其由在其外表面上具有筛面的面板,与所述面板的后部连接的漏斗和颈部构成; 发射电子束并容纳在颈部的电子枪; 以及偏转装置,其安装在所述漏斗的外周的颈部侧。 偏转装置至少包括:水平偏转线圈,其产生用于在水平方向上偏转电子束的水平偏转场; 垂直偏转线圈,其产生用于在垂直方向上偏转电子束的垂直偏转场,并设置在水平偏转线圈的外侧; 以及设置在垂直偏转线圈外侧的铁氧体磁芯。 屏幕表面侧的水平偏转线圈的端部与屏幕面之间的距离Ls设定为55mm <= Ls <= 80mm。
    • 10. 发明授权
    • Deflection yoke and color cathode ray tube device
    • 偏转磁轭和彩色阴极射线管装置
    • US06703801B2
    • 2004-03-09
    • US10004678
    • 2001-12-04
    • Takahiko YoshinagaKenichiro Taniwa
    • Takahiko YoshinagaKenichiro Taniwa
    • H01J2970
    • H01J29/76
    • In a deflection yoke including a horizontal deflection coil, an insulation frame, a vertical deflection coil, and a ferrite core arranged in this order outwardly, on an outer wall of a minor diameter portion of the insulation frame, a plurality of elastic projections are provided that are arranged in a standing condition to hold an outer wall of a minor diameter portion of the ferrite core. The ferrite core thus can be held in an optimum position in a vertical axis direction. Preferably, the outer wall of the minor diameter portion of the ferrite core has a tapered portion having a diameter decreasing in a direction towards an end side of the minor diameter portion that is held by the elastic projections. The ferrite core thus can be held also in an optimum position in a tube axis direction. A color cathode ray tube device with reduced YH crossed misconvergence thus can be realized.
    • 在包括水平偏转线圈,绝缘框架,垂直偏转线圈和铁氧体磁心的偏转线圈中,在绝缘框架的小直径部分的外壁上设有多个弹性突起, 它们以静止状态排列以保持铁氧体磁芯的小直径部分的外壁。 因此,可以将铁氧体磁心保持在垂直轴方向的最佳位置。 优选地,铁氧体磁芯的小直径部分的外壁具有锥形部分,该锥形部分在朝向由弹性突起保持的小直径部分的端侧的方向上减小。 因此,铁氧体磁芯也可以保持在管轴方向上的最佳位置。 因此,可以实现具有减小的YH交叉失会聚的彩色阴极射线管装置。