Electron gun for a cathode ray tube
    1.
    发明授权
    Electron gun for a cathode ray tube 失效
    用于阴极射线管的电子枪

    公开(公告)号:US4368405A

    公开(公告)日:1983-01-11

    申请号:US191016

    申请日:1980-09-26

    CPC分类号: H01J29/503 H01J29/624

    摘要: A cathode ray tube electron gun having an electron beam-generating source and a main lens system for focusing electron beams emitted from said electron beam-generating source, wherein the main lens system comprises at least first, second, third and fourth focusing electrodes arranged coaxially and in the order mentioned an counted from said electron beam-generating source; the first and third focusing electrodes are impressed with substantially the same potential; and the fourth focusing electrode is supplied with a prescribed potential higher than those which are applied to said first and third focusing electrodes.

    摘要翻译: 一种具有电子束产生源的阴极射线管电子枪和用于聚焦从所述电子束产生源发射的电子束的主透镜系统,其中主透镜系统至少包括同轴布置的第一,第二,第三和第四聚焦电极 并按照从所述电子束产生源计数的顺序; 第一和第三聚焦电极具有基本上相同的电位; 并且第四聚焦电极被提供比施加到所述第一和第三聚焦电极的规定电位高的规定电位。

    Beam index color cathode ray tube
    2.
    发明授权
    Beam index color cathode ray tube 失效
    光束指示彩色阴极射线管

    公开(公告)号:US4322655A

    公开(公告)日:1982-03-30

    申请号:US222325

    申请日:1981-01-05

    CPC分类号: H01J29/56 H01J2231/121

    摘要: A beam index color cathode ray tube is provided with a screen arranged on the inner surface of a face plate portion and an electron gun arranged in a neck portion thereof. This screen comprises phosphor stripes and index stripes. The electron gun comprises at least a cathode and two electrodes forming a focusing lens. The focusing lens of the electron gun is formed between at least two electrodes provided with transversely elongate openings having their direction of elongation in the width direction of the phosphor stripes or index stripes.

    摘要翻译: 光束折射彩色阴极射线管设置有布置在面板部分的内表面上的屏幕和布置在其颈部中的电子枪。 该屏幕包括磷光体条纹和索引条纹。 电子枪至少包括一个形成聚焦透镜的阴极和两个电极。 电子枪的聚焦透镜形成在设置有横向细长开口的至少两个电极之间,其具有在荧光体条纹或折射条纹的宽度方向上的伸长方向。

    Mask focusing color picture tube
    3.
    发明授权
    Mask focusing color picture tube 失效
    面罩聚焦彩色显像管

    公开(公告)号:US4626737A

    公开(公告)日:1986-12-02

    申请号:US685230

    申请日:1984-12-27

    IPC分类号: H01J31/20 H01J29/07 H01J29/81

    CPC分类号: H01J29/81

    摘要: A mask-focusing color picture tube comprising an evacuated envelope; means to generate a number of electron beams; a display screen comprising a large number of phosphor stripes luminescing in different colors; a plurality of masks being spaced in the predetermined distance each other, individually having a number of apertures which is arranged in rows and being disposed in the vicinity of said screen, each electron beam being assigned to phosphor stripe of a respective color through said corresponding mask aperture, the improvement comprising, at least one of said plurality of masks having a plurality of projections on at least one side of said mask, said projections being separated each other by the rows of said apertures.

    摘要翻译: 一种掩模聚焦彩色显像管,包括一个抽真空的外壳; 产生多个电子束的手段; 显示屏,其包括以不同颜色发光的大量荧光体条; 多个掩模以预定的距离彼此隔开,分别具有排列成行并设置在所述屏幕附近的多个孔,每个电子束通过所述对应掩模分配给各自的颜色的荧光条 所述改进包括所述多个掩模中的至少一个掩模在所述掩模的至少一侧上具有多个突起,所述突起被所述孔的排彼此分开。

    Beam-index tube apparatus having deflection field correcting elements
    4.
    发明授权
    Beam-index tube apparatus having deflection field correcting elements 失效
    具有偏转场校正元件的折射率管装置

    公开(公告)号:US4197487A

    公开(公告)日:1980-04-08

    申请号:US912735

    申请日:1978-06-05

    CPC分类号: H01J29/701 H01J29/566

    摘要: A beam-index tube apparatus comprising a beam-index picture tube provided with an electron gun to generate an electron beam of an oval cross-section, a deflecting device having a deflecting yoke for deflecting the electron beam, and correcting elements provided in the proximity of a front end of the deflecting yoke and positioned corresponding to the horizontal axis and the diagonal axes of the picture tube. The correcting elements act upon the electron beam in a manner such that the rotating of the diagonally deflected electron beam and widening of the horizontally deflected electron beam are thereby corrected.

    摘要翻译: 一种光束折射管装置,包括具有电子枪的光束折射率显像管,以产生椭圆形横截面的电子束,偏转装置具有用于偏转电子束的偏转轭,以及设置在邻近处的校正元件 的偏转轭的前端并且对应于显像管的水平轴线和对角轴定位。 校正元件以这样一种方式作用于电子束,从而校正了对角线偏转的电子束的旋转和水平偏转的电子束的加宽。

    Beam-indexing color image-presentation cathode ray tube
    5.
    发明授权
    Beam-indexing color image-presentation cathode ray tube 失效
    光束分度彩色图像显示阴极射线管

    公开(公告)号:US4194140A

    公开(公告)日:1980-03-18

    申请号:US889507

    申请日:1978-03-23

    CPC分类号: H04N9/24 H01J2231/121

    摘要: A beam-indexing color image-presentation cathode ray tube comprises color-phosphor stripes arranged in a regular order and differently responsive to impingement by electron beams to produce light of different colors and index-phosphor stripes arranged to have a predetermined geometric relation to the color-phosphor stripes and responsive to impingement by the electron beams to produce index signals, in which the index-phosphor stripes comprises a first index-phosphor stripe, a second index-phosphor stripe and a third index-phosphor stripe, the pitch of the second index-phosphor stripe is three times as large as the pitch of the third index-phosphor stripe, and the first index-phosphor stripe is wider in its width than the second index-phosphor stripe.

    摘要翻译: 光束分度彩色图像显示阴极射线管包括以规则顺序布置的彩色荧光条,并且不同地响应于电子束的撞击产生不同颜色的光并且布置成与颜色具有预定几何关系的折射率磷光体条 并且响应于电子束的撞击而产生折射率信号,其中指示荧光体条纹包括第一折射率 - 磷光体条纹,第二折射率 - 磷光体条纹和第三折射率 - 磷光体条纹,第二 折射率 - 磷光体条纹是第三折射率 - 磷光体条纹的间距的三倍,并且第一折射率 - 荧光条纹的宽度比第二折射率 - 荧光条纹宽。

    In-line plural beam color cathode ray tube having deflection defocus
correcting elements
    6.
    发明授权
    In-line plural beam color cathode ray tube having deflection defocus correcting elements 失效
    具有偏转散焦校正元件的直列式多束彩色阴极射线管

    公开(公告)号:US4057747A

    公开(公告)日:1977-11-08

    申请号:US622447

    申请日:1975-10-14

    申请人: Eizaburo Hamano

    发明人: Eizaburo Hamano

    摘要: In a color cathode ray tube including an electron gun means for projecting three electron beams in an in-line arrangement, there is provided deflection defocus correcting means which are disposed adjacent the side electron beams for neutralizing the deflection defocus of the side beam caused by the non-uniformity of the deflection fields.

    摘要翻译: 在包括用于以串列排列投射三束电子束的电子枪装置的彩色阴极射线管中,设置有偏转散焦校正装置,其邻近侧面电子束设置,用于中和由侧光束引起的侧光束的偏转散焦 偏转场的不均匀性。

    Picture tube with an electron gun having non-circular aperture
    7.
    发明授权
    Picture tube with an electron gun having non-circular aperture 失效
    具有非圆形孔径的电子枪的显像管

    公开(公告)号:US4399388A

    公开(公告)日:1983-08-16

    申请号:US197643

    申请日:1980-10-16

    IPC分类号: H01J29/50 H01J29/56 H01J29/46

    CPC分类号: H01J29/566 H01J29/503

    摘要: In a picture tube comprising an envelope including a phosphor screen and an electron gun generating an electron beam, wherein the electron beam is deflected by magnetic deflecting fields, the electron gun comprising a triode section and a focusing section along a path of the electron beam, the triode sections being provided with an electrode containing a non-circular aperture having major and minor axes of symmetry, the major axis being parallel to a horizontal direction the focusing section having a means for forming an electrostatic focusing lens having a vertical focal length and a horizontal focal length, said vertical focal length more elongated than said horizontal focal length.

    摘要翻译: 在包括荧光屏的外壳和产生电子束的电子枪的显像管中,其中电子束被磁偏转场偏转,该电子枪沿着电子束的路径包括三极管部分和聚焦部分, 所述三极管部分设置有包含具有主轴和短轴对称性的非圆形孔的电极,所述长轴平行于水平方向,所述聚焦部具有用于形成具有垂直焦距的静电聚焦透镜的装置和 水平焦距,所述垂直焦距比所述水平焦距更长。

    In-line type color picture tube apparatus
    8.
    发明授权
    In-line type color picture tube apparatus 失效
    直列式彩色显像管装置

    公开(公告)号:US4217566A

    公开(公告)日:1980-08-12

    申请号:US908852

    申请日:1978-05-23

    IPC分类号: H01J29/70 H01J29/76 H01F3/12

    CPC分类号: H01J29/701 H01J29/76

    摘要: Disclosed is an in-line type color picture tube apparatus which comprises an in-line type color picture tube including a phosphor screen for displaying a substantially rectangular picture with horizontal, vertical, and diagonal axes and an in-line electron gun arranged in parallel with the horizontal axis so as to be allowed to cast electron beams on the phosphor screen to reproduce a color image, a deflection yoke disposed around the outer periphery of the tube and generating such a magnetic field that may give positive isotropic astigmatism to the electron beams when the electron beams are deflected along the horizontal axis, may give negative isotropic astigmatism to the electron beams when the electron beams are deflected along the vertical axis, and may give negative anisotropic astigmatism to the electron beams when the electron beams are deflected along the diagonal axes, and a correction deflection element formed of a plurality of permanent magnets arranged in the vicinity of the end portion of the deflection yoke on the phosphor screen side, generating such a magnetic field that may diagonally constrict the end portions of the diagonal axes of a raster formed of the electron beams by means of an action of the deflection yoke and give positive anisotropic astigmatism to the electron beams when the electron beams are deflected along the diagonal axes. According to this in-line type color picture tube apparatus, raster distortion may be corrected practically completely without using a correction circuit, and self-convergence system may be realized.

    摘要翻译: 公开了一种直列式彩色显像管装置,其包括直列式彩色显像管,其包括用于显示具有水平,垂直和对角轴的大致矩形图像的荧光屏和与 水平轴,以允许在荧光屏上投射电子束以再现彩色图像;偏转线圈,围绕管的外周设置并产生这样的磁场,可以给电子束带正向各向同性的散光,当 电子束沿水平轴线偏转时,当电子束沿垂直轴偏转时,电子束可能产生负向各向同性散光,当电子束沿着对角线偏转时,电子束可能会给电子束带负向各向异性散光 以及由配置在t附近的多个永久磁铁形成的校正偏转元件 他的偏转线圈在荧光屏侧的端部,产生这样的磁场,该磁场可以通过偏转线圈的作用而对角地收缩由电子束形成的光栅的对角轴的端部,并且产生正向各向异性 当电子束沿着对角线偏转时,对电子束发生散光。 根据这种在线式彩色显像管装置,可以实际上完全校正光栅失真而不使用校正电路,并且可以实现自会聚系统。