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    • 1. 发明授权
    • Asymmetric space-saving cathode ray tube with magnetically deflected electron beam
    • 具有磁偏转电子束的不对称节省空间的阴极射线管
    • US06674230B1
    • 2004-01-06
    • US09615848
    • 2000-07-13
    • Joseph Michael CarpinelliDennis John BechisGeorge Herbert Needham Riddle
    • Joseph Michael CarpinelliDennis John BechisGeorge Herbert Needham Riddle
    • H01J2964
    • H01J29/70H01J29/72H01J31/12H01J31/128H01J31/203H01J31/206H01J2229/582H01J2229/587H01J2229/88
    • A cathode ray tube includes an electron gun directing electrons away from a faceplate having an electrode biased at screen potential. One or more electromagnets located on or near the rear wall of the tube envelope are biased with dc currents so that the electron beam (three beams in a color tube) is deflected by the magnetic field produced thereby to impinge upon the faceplate. The electron beam is magnetically deflected over a relatively small angle as it exits the electron gun to scan across the faceplate to impinge upon phosphors thereon to produce light depicting an image or information. The electromagnet closest the electron gun is typically biased to produce a strong magnetic field to deflect electrons to the faceplate near to the electron gun. The electromagnets more distant the electron gun produce magnetic fields to direct electrons towards the faceplate, with the electromagnet most distant the electron gun deflecting the electrons to tend to increase the landing angle thereof on the faceplate. One or more of the foregoing electromagnets may be utilized in cooperation with one or more electrodes biased at a potential to similarly deflect the electrons to the faceplate.
    • 一个阴极射线管包括一个电子枪,它将电子从一个具有偏置在屏幕电位上的电极的面板引出。 位于管外壁后壁附近的一个或多个电磁体用直流电流偏置,使得电子束(彩色管中的三个光束)被由此产生的磁场偏转以撞击在面板上。 当电子束离开电子枪时,电子束在相对较小的角度上被磁偏转,以跨过面板扫描以撞击其上的磷光体,以产生描绘图像或信息的光。 最靠近电子枪的电磁体通常被偏置以产生强磁场,以将电子偏转到靠近电子枪的面板。 电子枪比电子枪更远的电磁体产生磁场以将电子引向面板,电磁体最远的是电子枪使电子偏转,从而增加其面板上的着陆角。 上述电磁体中的一个或多个可以与一个或多个偏置在电位上的电极配合使用,以将电子类似地偏转到面板。
    • 6. 发明授权
    • Method of electrophotographically manufacturing a luminescent screen for
a color CRT having a conductive contact patch
    • 电子照相制造具有导电接触片的彩色CRT的荧光屏的方法
    • US5151337A
    • 1992-09-29
    • US543309
    • 1990-06-26
    • Charles M. WetzelPeter M. RittOwen H. Roberts, Jr.Harry R. Stork
    • Charles M. WetzelPeter M. RittOwen H. Roberts, Jr.Harry R. Stork
    • H01J9/22H01J9/227
    • H01J9/2276H01J9/225H01J2229/88H01J2229/925
    • The method of electrophotographically manufacturing a luminescent screen on a substrate of a color CRT, according to the present invention, includes the steps of forming a photoreceptor by sequentially coating the substrate to form a conductive layer and an overcoating of a photoconductive layer, establishing an electrostatic charge on the photoconductive layer, and exposing selected areas of the photoconductive layer to visible light to affect the charge thereon. Then the photoconductive layer is developed by the application of suitable triboelectrically charged, dry-powdered screen structure materials. The improved process provides at least one wear-resistant, conductive contact patch on a peripheral portion of a surface of the substrate. The contact patch has a first portion which underlies at least one of the layers of the photoreceptor and is in electrical contact with the conductive layer, and a second portion which extends from the photoreceptor. The contact patch is utilized during the manufacturing process to electrically ground the conductive layer during charging of the photoconductive layer. The contact patch also is utilized to measure the charge on the photoconductive layer during the developing process. Additionally, the contact patch provides an electrical contact, in the finished tube, between an aluminized layer on the screen and at least one support for a shadow mask.
    • 根据本发明的在彩色CRT的基板上电子照相制造荧光屏的方法包括以下步骤:通过依次涂覆基底以形成导电层和光电导层的外涂层来形成感光体,建立静电 在光电导层上充电,并将光电导层的选定区域暴露于可见光以影响其上的电荷。 然后通过使用合适的摩擦带电的干粉末筛网结构材料来开发光电导层。 改进的方法在衬底的表面的周边部分上提供至少一个耐磨导电接触贴片。 接触片具有位于感光体的至少一层的第一部分,并且与导电层电接触,以及从感光体延伸的第二部分。 在制造过程中利用接触片在光电导层的充电期间电导电导电层。 接触片也用于在显影过程中测量光电导层上的电荷。 此外,接触片在成品管中提供了屏幕上的镀铝层和至少一个用于荫罩的支撑之间的电接触。
    • 8. 发明授权
    • Cathode ray tube
    • 阴极射线管
    • US06605891B1
    • 2003-08-12
    • US09504078
    • 2000-02-15
    • Hisashi Nose
    • Hisashi Nose
    • H01J2976
    • H01J29/861H01J2229/8609H01J2229/88
    • In a cathode ray tube of the present invention, the shape 20 of an outer wall opening and the shape 21 of an inner wall opening in a direction perpendicular to a tube axis within a range which extends 35 mm to the panel portion side and 20 mm to the neck portion side from a reference line set in a deflection yoke mounting region of a funnel portion are respectively formed in an approximately rectangular shape and an approximately pin-cushion shape, and the shape 21 of the inner wall opening of deflection yoke mounting region of the funnel portion in a direction perpendicular to a tube axis direction has a radius of curvature Rc at respective corners, and the difference between a first straight line 22V and 22H which connects neighboring bottom portions of the corners and a second straight line 23V and 23H which is in contact with a central point of the inner wall between the neighboring corner portions and is disposed parallel to the first straight line is set to 2.0 mm at maximum provided that the direction toward the tube axis is taken as +.
    • 在本发明的阴极射线管中,外壁开口的形状20和与管轴垂直的方向的内壁的形状21在与面板部侧延伸35mm的范围内,20mm 从设置在漏斗部的偏转线圈安装区域的基准线的颈部侧分别形成为大致矩形,大致为缓冲垫形状,偏转线圈安装区域的内壁开口的形状21 漏斗部分在垂直于管轴方向的方向上具有各个拐角处的曲率半径R c,连接相邻的拐角底部的第一直线22V和22H之间的差以及第二直线23V和23H 其与相邻角部之间的内壁的中心点接触并且平行于第一直线设置为最大为2.0mm 朝向管轴的方向为+。
    • 9. 发明授权
    • Method of fabricating low resistance, anti-reflection CRT
    • 制造低电阻,抗反射CRT的方法
    • US06171457B2
    • 2001-01-09
    • US09103376
    • 1998-06-24
    • Yeoung-Ku Kim
    • Yeoung-Ku Kim
    • C23C1434
    • H01J29/868C03C17/3417C03C17/3423C03C17/3482H01J2209/012H01J2229/8632H01J2229/88H01J2229/8913
    • In the method of fabricating a CRT including a sputtering method for forming an anti-static layer and a spin-coating or spray-coating method for forming an anti-reflection layer on a CRT panel, a method of fabricating a low-resistance, anti-reflection CRT is characterized by applying a silicon oxide (SiO2) coating between the anti-static layer and the anti-reflection layer by a sputtering method. As a result, the CRT has enhanced strength of layers and a low surface resistance. Also, the screen is provided with a charge protection function in the surface, with reflectivity of an external light being mitigated. As a result, it is possible to enhance the contrast characteristics of the screen, to avoid leaving fingerprints on the screen, and also to eliminate unpleasant feeling of static electricity.
    • 在制造包括用于形成抗静电层的溅射方法的CRT和用于在CRT面板上形成抗反射层的旋涂或喷涂方法的CRT的方法中,制造低电阻, 反射CRT的特征在于通过溅射法在抗静电层和抗反射层之间施加氧化硅(SiO 2)涂层。 结果,CRT具有增强的层的强度和低的表面电阻。 此外,屏幕在表面具有电荷保护功能,外部光的反射率得到缓解。 结果,可以提高屏幕的对比度特性,以避免在屏幕上留下指纹,并且还消除静电不愉快的感觉。