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    • 52. 发明授权
    • Color cathode ray tube
    • 彩色阴极射线管
    • US5525859A
    • 1996-06-11
    • US359795
    • 1994-12-20
    • Yukio ItoJun Yamazaki
    • Yukio ItoJun Yamazaki
    • H01J29/07H01J29/80
    • H01J29/07H01J2229/0744H01J2229/0761H01J2229/0794
    • A color cathode ray tube having an electron beam source has a glass panel with a plurality of fluorescent stripes and a plurality of black stripes located between each two adjacent fluorescent stripes. An aperture grill is located between the electron beam source and the glass panel. A plurality of parallel grill tapes are located between an upper part and a lower part of the aperture grill, and a plurality of slits are provided between each two adjacent grill tapes. The inside stress of a center grill tape is expressed by .alpha., the length of the grill tape at a center of the aperture grill is expressed by L.sub.0, and a grill tape pitch of the aperture grill is expressed by P.sub.ag. The inside stress is expressed by the following formula:.alpha.>(L.sub.0 /P.sub.ag).sup.0.725 *(1.329*10.sup.-2 *L.sub.0 +5.354)*10.sup.-2.The above formula for the inside stress of a center grill tape in a color cathode ray tube having an aperture grill, acts so as to reduce picture quality deterioration generated by a vibration, such as voice output from a speaker.
    • 具有电子束源的彩色阴极射线管具有带有多个荧光条的玻璃面板和位于每两个相邻的荧光条之间的多个黑条。 孔格栅位于电子束源和玻璃面板之间。 多个平行格栅带位于孔格栅的上部和下部之间,并且在每个两个相邻格栅带之间设置多个狭缝。 中心格栅带的内部应力由α表示,格栅格栅的中心处的格栅带的长度由L0表示,孔格栅的格栅带间距由Pag表示。 内应力由下式表示:α>(L0 / Pag)0.725 *(1.329 * 10-2 * L0 + 5.354)* 10-2。 具有孔格栅的彩色阴极射线管中的中心格栅带的内应力的上述公式用于降低由诸如从扬声器输出的声音之类的振动产生的图像质量恶化。