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    • 1. 发明授权
    • Color cathode ray tube apparatus
    • 彩色阴极射线管装置
    • US5449983A
    • 1995-09-12
    • US230376
    • 1994-04-20
    • Shigeru SugawaraJunichi KimiyaEiji Kamohara
    • Shigeru SugawaraJunichi KimiyaEiji Kamohara
    • H01J29/48H01J29/50H01J29/62G09G1/04H01J29/46
    • H01J29/503H01J29/622H01J2229/4841H01J2229/4865H01J2229/4872
    • In a color cathode ray tube apparatus including an electron gun assembly having a main electron lens section constituted by a plurality of electrodes for focusing three electron beams arranged in a line on a target and a deflection unit for deflecting the three electron beams, at least an electrode to which a voltage obtained by superposing a variable voltage changed in accordance with a deflection amount of the electron beams on a predetermined DC voltage and an electrode which substantially opposes the electrode and to which a voltage obtained by superposing a variable voltage induced through a capacitance between the opposing electrodes on a predetermined voltage applied through a resistor arranged in a tube is applied are arranged in a main electron lens section, and the main electron lens section is made into an electron lens for changing the focusing state of the electron beams in synchronism with deflection of the electron beams. Therefore, a high-performance cathode ray tube which can preferably correct distortion of a beam spot caused by a deflection error in the entire area of a screen and has a high resolution can be obtained.
    • 在一种彩色阴极射线管装置中,包括具有主电子透镜部分的电子枪组件,所述主电子透镜部分由用于聚焦在靶上的一行排列的三个电子束的多个电极和用于偏转三个电子束的偏转单元组成,至少一个 电极,通过将根据电子束的偏转量改变的可变电压叠加在预定直流电压上而获得的电压和与电极基本相对的电极,并且通过叠加通过电容感应的可变电压而获得的电压 在通过布置在管中的电阻器施加的预定电压之间的相对电极之间布置有主电子透镜部分,并且将主电子透镜部分制成电子透镜以同步地改变电子束的聚焦状态 随着电子束的偏转。 因此,可以获得能够优选地校正由屏幕的整个区域中的偏转误差引起的并且具有高分辨率的束斑变形的高性能阴极射线管。
    • 3. 发明授权
    • Color cathode ray tube apparatus
    • 彩色阴极射线管装置
    • US5694004A
    • 1997-12-02
    • US756932
    • 1996-12-02
    • Junichi KimiyaShigeru SugawaraEiji KamoharaKumio Fukuda
    • Junichi KimiyaShigeru SugawaraEiji KamoharaKumio Fukuda
    • H01J29/48H01J29/50H01J29/62H01J29/46
    • H01J29/503H01J29/628H01J2229/4841
    • In a color cathode ray tube apparatus, a main electron lens unit for converging three in-line electron beams on a phosphor screen is formed of a plurality of electrodes, including at least first, second, and third electrodes, which are arranged from the cathode side toward the phosphor screen. An asymmetric electron lens, which horizontally diverges and vertically converges the electron beams, is formed on the cathode side in a lens effect region of a first electron lens composed of the second and third electrodes, and an asymmetric second electron lens, which has one effect with respect to the horizontal direction of the electron beams and another with respect to the vertical direction, is formed between the first and second electrodes, at the least. In this arrangement, the effects of the second lens to converge and diverge the electron beams in the horizontal and vertical directions, respectively, are enhanced, and the effects of the first electron lens are attenuated, depending on the deflection of the electron beams by means of a deflection yoke. Thus, the horizontal and vertical diameters of beam spots at the peripheral portion of a picture can be reduced.
    • 在彩色阴极射线管装置中,用于在荧光屏上聚焦三个一字形电子束的主电子透镜单元由多个电极形成,多个电极至少包括从阴极排列的第一,第二和第三电极 一侧朝向荧光屏。 在由第二和第三电极组成的第一电子透镜的透镜效应区域中的阴极侧上形成水平发散并垂直会聚电子束的不对称电子透镜,以及具有一个效果的不对称第二电子透镜 至少相对于电子束的水平方向和相对于垂直方向的水平方向形成在第一和第二电极之间。 在这种布置中,增强了第二透镜在水平和垂直方向上会聚和发散电子束的效果,并且第一电子透镜的影响根据装置的电子束的偏转而衰减 的偏转线圈。 因此,可以减少图像周边部分处的光斑的水平和垂直直径。
    • 4. 发明授权
    • Color cathode ray tube apparatus
    • 彩色阴极射线管装置
    • US5517078A
    • 1996-05-14
    • US241588
    • 1994-05-12
    • Shigeru SugawaraJunichi KimiyaEiji Kamohara
    • Shigeru SugawaraJunichi KimiyaEiji Kamohara
    • H01J29/50H01J29/62H01J29/46
    • H01J29/503H01J29/628
    • In a color cathode ray tube apparatus including an electron gun assembly having a main electron lens section for focusing and converging three electron beams arranged in a line on a phosphor screen, three electron beam through holes arranged in a line in the arrangement direction of the three electron beams are formed in each of the opposing surfaces of the first electrode having a relatively low potential and a second electrode having a relatively high potential, which electrodes constitute the main electron lens and substantially oppose, the pair of side beam through holes of the second electrode are decentered outward in the arrangement direction of the three electron beams with respect to the pair of side beam through holes of the first electrode, and each of the pair of side beam through holes of any one of the first and second electrodes is formed to have a substantially horizontally elongated shape in which both sides in the arrangement direction of the three electron beams are constituted by arcs and the length of, in the case of the first electrode, the length of the inner arc is larger than the length of the outer arc while, in the case of the second electrode, the length of the inner arc is smaller than the length of the outer arc. The three electron beams can be properly focused to obtain good image characteristics on an entire screen.
    • 在包括电子枪组件的彩色阴极射线管装置中,具有用于聚焦和会聚在荧光屏上一行排列的三个电子束的主电子透镜部分的电子枪组件,在三个排列方向上一行排列的三个电子束通孔 电子束形成在具有较低电位的第一电极的相对表面和具有较高电位的第二电极的每个相对表面中,这些电极构成主电子透镜并且基本相对,第二电极的一对侧光束通孔 电极相对于第一电极的一对侧光束通孔在三个电子束的布置方向上向外偏心,并且第一和第二电极中的任一个的一对侧光束通孔中的每一个形成为 具有大致水平细长的形状,其中三个电子束的排列方向上的两侧 由弧形构成,并且在第一电极的情况下,内弧的长度大于外弧的长度,而在第二电极的情况下,内弧的长度小于 外弧的长度。 三个电子束可以被适当地聚焦以在整个屏幕上获得良好的图像特性。
    • 10. 发明授权
    • Color cathode ray tube with plural electron gun assemblies
    • 具有多个电子枪组件的彩色阴极射线管
    • US4712038A
    • 1987-12-08
    • US861842
    • 1986-05-12
    • Shigeo TakenakaEiji KamoharaTakashi Nishimura
    • Shigeo TakenakaEiji KamoharaTakashi Nishimura
    • H01J29/46H01J31/00H01J31/20H01J29/07H01J29/50H01J29/82H01J29/86
    • H01J31/203H01J29/46H01J2231/1255
    • In a color cathode ray tube, a panel having a single faceplate is coupled to a plurality of necks through a plurality of funnels, respectively. A plurality of electron gun assemblies are received in necks and a plurality of deflection units are mounted around the funnels, respectively. A screen is formed on an inner surface of faceplate and has a plurality of continuous segment regions each of which is scanned with the electron beams emitted from the corresponding electron gun assembly and deflected by the corresponding deflection unit. A shadow mask is so supported in the panel as to face the faceplate. The electron gun assemblies adjacent each other so arranged as to have a relative distance GS between the central axis thereof:GS=m.multidot.SG[(n-1)Ph+d]/Phwhere SG is a relative distance on the deflection plane, between the electron beams emitted from each of said electron gun assembly, d is a distance between predetermined effective apertures of the shadow mask through which the predetermined electron beams pass, the predetermined electron beams landing on endmost adjacent effective phosphor elements in each two adjacent ones of said segment regions, and m and n are integers, respectively.
    • 在彩色阴极射线管中,具有单个面板的面板分别通过多个漏斗耦合到多个颈部。 多个电子枪组件被容纳在颈部中,并且多个偏转单元分别安装在漏斗周围。 屏幕形成在面板的内表面上,并且具有多个连续的区域区域,每个区域被从相应的电子枪组件发射的电子束扫描并由相应的偏转单元偏转。 荫罩在面板上如此被支撑在面板上。 彼此相邻的电子枪组件被布置成在其中心轴线之间具有相对距离GS:GS = mxSG [(n-1)Ph + d] / Ph其中SG是偏转平面上的相对距离, 从每个所述电子枪组件发射的电子束d是预定电子束通过的荫罩的预定有效孔径之间的距离,预定的电子束着陆在每个两个相邻的所述段中的最邻近的有效磷光体元件 区域,m和n分别是整数。