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1.发明授权
公开(公告)号：US4877998A
公开(公告)日：1989-10-31
申请号：US263454
申请日：1988-10-27
CPC分类号： H01J29/503 , H01J2229/4841 , H01J2229/4872 , H01J2229/4896
摘要： An improved color display system includes a cathode-ray tube and a magnetic deflection yoke positioned on the tube. The tube includes an envelope having an inline electron gun for generating and directing three inline beams along initially coplanar paths toward a screen on an interior surface portion of the envelope. The gun includes a plurality of spaced electrodes which comprise three lenses. The first lens includes a beam-forming region for providing substantially symmetrical beams to a second lens. The second lens includes a first modulation electrode for providing asymmetrically-shaped beams to a third, or main, lens. At least one and preferably two dynamic voltage signals are applied to the modulation electrode of the second lens. Another dynamic voltage signal is applied to a second modulation electrode of the third lens. The voltage signals are related to the deflection of the beams and improve the electron beam spot size at the periphery of the tube screen.
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公开(公告)号：US4764704A
公开(公告)日：1988-08-16
申请号：US128951
申请日：1987-12-04
申请人： David A. New , Loren L. Maninger
发明人： David A. New , Loren L. Maninger
CPC分类号： H01J29/503 , H01J2229/4872 , H01J2229/4896
摘要： The present invention provides an improvement in color cathode-ray tubes. Such tubes include an electron gun for generating and directing three inline beams, a center beam and two side beams, along initially coplanar paths toward a screen of the tube. The gun includes a plurality of spaced electrodes which provide a first, a second and a third lens for focusing the electron beams. The first lens has a beam forming region for providing substantially symmetrical beams to the second lens. The improvement comprises the combination of the second and third lens. The second lens includes at least one electrode to provide asymmetrically-shaped beams. The potentials applied to the second lens refract electron beams emerging off-axes from the first lens toward the axes. The third lens is a low aberration main focusing lens which provides asymmetrically-shaped beams of substantially constant current density to the screen.
摘要翻译： 本发明提供彩色阴极射线管的改进。 这样的管子包括一个电子枪，用于产生和引导三个一字形束，一个中心光束和两个侧光束，沿着最初的共面路径朝管的屏幕。 枪包括多个间隔开的电极，其提供用于聚焦电子束的第一，第二和第三透镜。 第一透镜具有用于向第二透镜提供基本对称的光束的光束形成区域。 该改进包括第二和第三透镜的组合。 第二透镜包括至少一个用于提供不对称形状的光束的电极。 施加到第二透镜的电位折射从第一透镜偏离轴线的电子束。 第三透镜是一种低像差主聚焦透镜，其向屏幕提供基本恒定的电流密度的非对称形状的光束。
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公开(公告)号：US5325013A
公开(公告)日：1994-06-28
申请号：US937780
申请日：1992-09-01
申请人： Jeffrey P. Johnson , David A. New
发明人： Jeffrey P. Johnson , David A. New
CPC分类号： H01J29/503
摘要： An improved cathode-ray tube includes a viewing screen and an electron gun for generating and directing three electron beams toward the screen. The gun includes at least eight electrodes spaced in order from three cathodes, with the furthest electrode from the cathodes being interconnected to a tube anode. The electrodes form a beam forming region, a first quadrupole lens, a main focus lens and a second quadrupole lens in the path of each electron beam. In the improvement, the second quadrupole lens is positioned on the anode side of main focus lens, with the first quadrupole lens being diverging for defocusing the beams, and the second quadrupole lens being converging for focusing the beams in the horizontal plane.
摘要翻译： 改进的阴极射线管包括观察屏和电子枪，用于产生并引导三个电子束朝向屏幕。 该枪包括至少八个按三个阴极依次间隔开的电极，阴极的最远电极与管阳极相互连接。 电极在每个电子束的路径中形成波束形成区域，第一四极透镜，主聚焦透镜和第二四极透镜。 在改进中，第二四极透镜位于主聚焦透镜的阳极侧，第一四极透镜发散用于使光束散焦，并且第二四极透镜会聚以将光束聚焦在水平面中。
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公开(公告)号：US06465944B1
公开(公告)日：2002-10-15
申请号：US09849154
申请日：2001-05-04
申请人： David A. New
发明人： David A. New
IPC分类号： H01J2968
CPC分类号： H01J29/76 , H01J29/66 , H01J31/203 , H01J2229/703
摘要： In a cathode ray tube, an electron beam is directed towards a faceplate having an electrode biased at screen potential and is magnetically scanned across the faceplate to impinge upon phosphors thereon to produce light depicting an image. A six-pole coil is disposed proximate the deflection yoke and/or on the tube neck to modify the focus of the red, green and blue electron beams to control focus. An electrode between the tube neck and the faceplate is biased at or above screen potential to deflect electrons over a greater total angle than is obtained from the magnetic deflection.
摘要翻译： 在阴极射线管中，电子束指向具有偏置在屏幕电位的电极的面板，并且在面板上被磁扫描以撞击其上的荧光体以产生描绘图像的光。 六极线圈设置在偏转线圈和/或管颈附近，以改变红，绿和蓝电子束的焦点以控制焦点。 管颈和面板之间的电极被偏置在屏幕电位以上或更高处，以使电子偏转比从磁偏转得到的更大的总角度。
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公开(公告)号：US4742266A
公开(公告)日：1988-05-03
申请号：US75782
申请日：1987-07-20
申请人： David A. New
发明人： David A. New
CPC分类号： H01J29/503 , H01J2229/4872 , H01J2229/4896
摘要： The present invention provides an improvement in color picture tubes. Such tubes include an electron gun for generating and directing three inline electron beams, a center beam and two side beams, along initially coplanar paths toward a screen of the tube. The gun includes a plurality of spaced electrodes which form a main focus lens for focusing the electron beams. The improvement comprises the plurality of spaced electrodes which form a main focus lens including three electrodes that form an einzel lens in the path of each electron beam. A first einzel lens electrode includes a first portion having three inline apertures that are set back from a second portion forming a single large aperture through which all three electron beams pass. A second einzel lens electrode includes a first portion having three inline apertures that are set back from a second portion forming a single large aperture through which all three electron beams pass. The second portion of the first einzel lens electrode faces the second portion of the second einzel lens electrode. A second einzel lens electrode also includes a third portion having three inline apertures that are set back from a fourth portion forming a single large aperture through which all three electron beams pass. A third einzel lens electrode includes a first portion having three inline apertures set back from a second portion forming a single large aperture through which all three electron beams pass. The fourth portion of the second einzel lens electrode faces the second portion of the third einzel lens electrode.
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6.发明授权Space-saving cathode ray tube employing a non-self-converging deflection yoke 失效采用非自会聚偏转线圈的节省空间的阴极射线管公开(公告)号：US06870331B2
公开(公告)日：2005-03-22
申请号：US09858818
申请日：2001-05-16
CPC分类号： H01J29/70 , H01J2229/582 , H01J2229/587
摘要： In a cathode ray tube, plural electron beams are directed towards a faceplate biased at screen potential and are magnetically scanned by a non-self-converging deflection yoke across the faceplate to impinge upon phosphors thereon to produce light depicting an image. The plural electron beams are substantially converged near two opposing edges of the faceplate. A processor changes the raster of the image from a first raster corresponding to position of the image to a second raster corresponding to the position of the plural electron beams on the faceplate. One or more electrodes between the tube neck and the faceplate are biased above and/or below screen potential to deflect electrons landing near the periphery of the faceplate.
摘要翻译： 在阴极射线管中，多个电子束指向偏置于屏幕电位的面板，并且通过非自聚焦偏转系统磁屏蔽地扫过面板以撞击其上的磷光体，以产生描绘图像的光。 多个电子束在面板的两个相对的边缘附近基本会聚。 处理器将来自与图像位置对应的第一光栅的图像的光栅改变为对应于面板上的多个电子束的位置的第二光栅。 管颈和面板之间的一个或多个电极被偏置在屏幕电势上方和/或下方，以偏转靠近面板周边的电子。
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公开(公告)号：US4737682A
公开(公告)日：1988-04-12
申请号：US75784
申请日：1987-07-20
申请人： Roger C. Alig , David A. New
发明人： Roger C. Alig , David A. New
CPC分类号： H01J29/503 , H01J2229/4872 , H01J2229/4896
摘要： The present invention provides an improvement in color picture tubes. Such tubes include an electron gun for generating and directing three inline electron beams, a center beam and two side beams, along initially coplanar paths toward a screen of the tube. The gun includes a plurality of spaced electrodes which form a main focus lens for focusing the electron beams. The improvement comprises the plurality of spaced electrodes which form a main focus lens including four electrodes that form an einzel lens in the path of each electron beam. A first einzel lens electrode includes a first portion having three inline apertures that are set back from a second portion having a single large aperture through which all three electron beams pass. A second einzel lens electrode includes a first portion having three inline apertures that are set back from a second portion having a single large aperture through which all three electron beams pass. The second portion of the first einzel lens electrode faces the second portion of the second einzel lens electrode. A third einzel lens electrode includes a first portion having three inline apertures that are set back from a second portion having a single large aperture through which all three electron beams pass. A fourth einzel lens electrode includes a first portion having three inline apertures set back from a second portion having a single large aperture through which all three electron beams pass. The second portion of the third einzel lens electrode faces the second portion of the fourth einzel lens electrode. The first portion of the second einzel lens electrode and the first portion of the third einzel lens electrode face each other and include means for forming a quadrupole lens in the path of each electron beam therebetween.
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8.发明授权Color picture tube having an inline electron gun with three astigmatic lenses 失效彩色显像管具有带三个散光透镜的一字排列电子枪
公开(公告)号：US5430349A
公开(公告)日：1995-07-04
申请号：US125885
申请日：1993-09-24
CPC分类号： H01J29/503 , H01J2229/4872 , H01J2229/4896
摘要： An improved color picture tube includes a screen and an inline gun for generating and directing three inline electron beams along separate paths toward the screen. The electron gun includes electrodes that provide a beam-forming region, a prefocus region and a main focus region. The beam-forming region of the gun includes a cathode, a G1 electrode, a G2 electrode and a first portion of a G3 electrode. The prefocus region includes a second portion of the G3 electrode, a G4 electrode and a first portion of a G5 electrode. The main focus region includes a second portion of the G5 electrode and a G6 electrode. The improvement resides in the beam-forming region, the prefocus region and the main focus region each being astigmatic.
摘要翻译： 改进的彩色显像管包括屏幕和用于沿着分离的路径向屏幕产生和引导三个一字形电子束的直列式喷枪。 电子枪包括提供波束形成区域，预聚焦区域和主聚焦区域的电极。 枪的波束形成区域包括阴极，G1电极，G2电极和G3电极的第一部分。 预聚焦区域包括G3电极的第二部分，G4电极和G5电极的第一部分。 主要聚焦区域包括G5电极的第二部分和G6电极。 改进在于波束形成区域，预聚焦区域和主要聚焦区域各自是散光的。
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9.发明授权
公开(公告)号：US5066887A
公开(公告)日：1991-11-19
申请号：US483487
申请日：1990-02-22
申请人： David A. New
发明人： David A. New
CPC分类号： H01J29/624 , H01J29/503 , H01J2229/4858 , H01J2229/4872
摘要： A color picture tube includes an inline electron gun for generating and directing three inline electron beams along coplanar beam paths toward a screen. The gun includes a plurality of electrodes which form a beam-forming region, a prefocusing lens, and a main focusing lens for the electron beams. The prefocusing lens includes four active surfaces. At least one of the active surfaces has asymmetric prefocusing recesses formed therein.
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