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    • 54. 发明授权
    • Wide-angle deflection color cathode ray tube with a reduced dynamic focus voltage
    • 具有减小的动态聚焦电压的广角偏转彩色阴极射线管
    • US06437498B2
    • 2002-08-20
    • US09923372
    • 2001-08-08
    • Tomoki NakamuraShoji ShiraiYasuharu Yatsu
    • Tomoki NakamuraShoji ShiraiYasuharu Yatsu
    • H01J2950
    • H01J29/503H01J2229/4841
    • A three in-line beam type color CRT includes a focus electrode and an anode. The focus electrode includes a first focus sub-electrode supplied with a first fixed focus voltage and a second focus sub-electrode supplied with a second fixed voltage superposed with a dynamic voltage synchronized with beam deflection, and the first and second focus sub-electrodes form a quadrupole lens therebetween. Two side electron beams are deflected toward a center electron beam with increasing dynamic voltage in the quadrupole lens. An axial distance Lgf (mm) from a cathode side end of the first focus sub-electrode to an anode side end of the second focus sub-electrode, an axial distance Ls (mm) from the end of the second focus sub-electrode to the phosphor screen, and a useful diagonal dimension D (mm) of the phosphor screen satisfy 0.06×Ls (mm)≦Lgf (mm)≦26 (mm) and 1.50≦D/Ls≦1.70.
    • 三个在线束型彩色CRT包括聚焦电极和阳极。 聚焦电极包括提供有第一固定焦点电压的第一聚焦子电极和被提供有与光束偏转同步的动态电压叠加的第二固定电压的第二聚焦子电极,并且第一和第二焦点子电极形成 它们之间的四极透镜。 两个侧面电子束在四极透镜中随着动态电压的增加而向中心电子束偏转。 从第一聚焦副电极的阴极侧端部到第二聚焦副电极的阳极侧端部的轴向距离Lgf(mm),从第二聚焦子电极的端部到轴向距离Ls(mm) 荧光屏和荧光屏的有用对角尺寸D(mm)满足0.06×Ls(mm)<= Lgf(mm)<= 26(mm),1.50 <= D / Ls <= 1.70。
    • 55. 发明授权
    • Color cathode ray tube having a low dynamic focus
    • 具有低动态聚焦的彩色阴极射线管
    • US06353282B1
    • 2002-03-05
    • US09663375
    • 2000-09-15
    • Tutomu TojyouShoji ShiraiShinichi Kato
    • Tutomu TojyouShoji ShiraiShinichi Kato
    • H01J2946
    • H01J29/628H01J29/488H01J29/503H01J2229/4841H01J2229/5635H01J2229/568
    • An electron gun of a color cathode ra tube includes (1) a beam forming region having cathodes, a G1 electrode and a G2 electrode and (2) a main lens formed of plural electrodes including a G3 electrode supplied with a fixed focus voltage and an accelerating electrode. The main lens includes a final lens formed between the accelerating electrode and an electrode opposing the accelerating electrode and configured so that outer electron beats are deflected toward a trajectory of a center electron beam and a lens strength of the final lens weakens with beam deflection The electron gun also has at least one multipole lens located between the final lens and the beam forming region and configured so as to change a cross sectional shape of the electron beams with beam deflection, and a lens formed between a pair of electrodes located between the final lens and the beam forming region and having axially spaced opposing surfaces each having opposing center beam apertures and opposing outer beam apertures. The centers of the opposing outer beam apertures in the opposing surfaces are displaced from each other in a direction perpendicular to the electron gun axis. The lens formed between the pair of electrodes focuses the electron beams in both horizontal and vertical directions and changes a focusing strength thereof with beam deflection and deflects the outer electron beams toward or away from the center electron beam with beam deflection.
    • 彩色阴极射流管的电子枪包括:(1)具有阴极的束形成区域,G1电极和G2电极;以及(2)由多个电极形成的主透镜,所述多个电极包括提供有固定聚焦电压的G3电极和 加速电极。 主透镜包括形成在加速电极和与加速电极相对的电极之间的最终透镜,并且构造成使得外部电子脉冲朝向中心电子束的轨迹偏转,并且最终透镜的透镜强度随着光束偏转而减弱。电子 枪还具有位于最终透镜和光束形成区域之间的至少一个多极透镜,并被配置为改变具有光束偏转的电子束的横截面形状,以及形成在位于最终透镜之间的一对电极之间的透镜 和梁形成区域并且具有轴向隔开的相对表面,每个表面具有相对的中心光束孔和相对的外光束孔径。 相对表面中相对的外光束孔的中心在垂直于电子枪轴线的方向上彼此偏移。 形成在一对电极之间的透镜在水平和垂直方向上聚焦电子束,并且改变其聚焦强度与光束偏转,并使外部电子束朝向或远离中心电子束的偏转偏转。
    • 56. 发明授权
    • Cathode ray tube with low dynamic correction voltage
    • 阴极射线管具有低动态校正电压
    • US06255788B1
    • 2001-07-03
    • US09499895
    • 2000-02-08
    • Shoji ShiraiKenichi Watanabe
    • Shoji ShiraiKenichi Watanabe
    • G09G104
    • H01J29/503H01J2229/4841H01J2229/4865H01J2229/4872H01J2229/4875H01J2229/4886H01J2229/5635
    • An electron gun of a cathode ray tube includes an electron beam generating unit and a main lens unit. The electron beam generating unit includes a cathode, a first grid electrode and a second grid electrode, and the main lens unit is formed of plural electrode members and a final accelerating electrode disposed downstream thereof and supplied with a high voltage. A final main lens is formed between the final accelerating electrode and one of the electrode members adjacent thereto. An electrostatic quadrupole lens is formed in a first space between adjacent ones of the electrode members, one of which is supplied with a first focus voltage of a fixed value, another of which is supplied with a second focus voltage synchronized with electron beam deflection, wherein the first and second focus voltages are higher than a second grid electrode voltage. The quadrupole lens focuses the electron beams horizontally and vertically and diverges them horizontally and vertically depending upon which is the higher of the first and second focus voltages. A third electrostatic lens is disposed between the final main lens and the quadrupole lens and formed in a second space between adjacent ones of the electrode members, one of which is supplied with the first focus voltage, and another of which is supplied with the second focus voltage, and the third electrostatic lens decreases horizontal and vertical focusing actions on the electron beams with increasing electron beam deflection.
    • 阴极射线管的电子枪包括电子束产生单元和主透镜单元。 电子束产生单元包括阴极,第一栅极和第二栅极,主透镜单元由多个电极构件和设置在其下游并提供高电压的最终加速电极形成。 最终的主透镜形成在最终加速电极和与其相邻的电极构件中的一个之间。 静电四极透镜形成在相邻的电极部件之间的第一空间中,其中一个被提供有固定值的第一聚焦电压,另一个被提供与电子束偏转同步的第二聚焦电压,其中 第一和第二聚焦电压高于第二栅极电压。 四极透镜水平和垂直地聚焦电子束,并根据第一和第二聚焦电压中较高者水平和垂直地发散。 第三静电透镜设置在最终主透镜和四极透镜之间,并形成在相邻电极构件之间的第二空间中,其中一个被提供第一聚焦电压,另一个被提供有第二焦点 电压,第三静电透镜减小电子束偏转电子束的水平和垂直聚焦作用。
    • 60. 发明授权
    • In-line type electron gun assembly including electrode units having
electron beam passage holes of different sizes for forming an
electrostatic lens
    • 包括具有用于形成静电透镜的不同尺寸的电子束通过孔的电极单元的直列式电子枪组件
    • US5414323A
    • 1995-05-09
    • US984332
    • 1992-12-02
    • Go UchidaShoji ShiraiMasayoshi Misono
    • Go UchidaShoji ShiraiMasayoshi Misono
    • H01J29/50H01J29/48H01J29/62
    • H01J29/488
    • An in-line type electron gun assembly has a cathode unit for producing a central electron beam and two side electron beams and first and second electrode units. Each of the first and second electrode units has a cylindrical member of a non-circular elongated cross section and a plate member provided on the inner wall of the cylindrical member so as to be joined therewith to define three electron beam passage holes juxtaposed, within the cylindrical member, in a direction parallel with a lengthwise direction of the elongated cross section of the cylindrical member. The plate member of each electrode unit has at least one hole therein serving as an electron beam passage hole for the central electron beam. The diameter of the hole in one of the plate members of the first and second electrode units measured in a direction perpendicular to the lengthwise direction of the elongated cross section of the cylindrical members is different from the diameter of the corresponding hole in the other plate member measured in a direction perpendicular to the lengthwise direction of the elongated cross section of the cylindrical members for optimizing the central electron beam shape and for emphasizing one of a focusing and diverging function.
    • 直列型电子枪组件具有用于产生中心电子束的阴极单元和两个侧面电子束以及第一和第二电极单元。 第一和第二电极单元中的每一个具有非圆形细长横截面的圆柱形构件和设置在圆柱形构件的内壁上的板构件,以便与其连接以限定并列设置的三个电子束通道孔, 圆柱形构件在与圆柱形构件的细长横截面的长度方向平行的方向上。 每个电极单元的板构件具有至少一个用作中心电子束的电子束通过孔的孔。 在与圆柱形构件的细长截面的长度方向垂直的方向上测量的第一和第二电极单元的一个板构件中的孔的直径与另一个板构件中的相应孔的直径不同 在垂直于圆柱形构件的细长截面的长度方向的方向上测量,以优化中心电子束形状并强调聚焦和发散功能之一。