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    • 94. 发明授权
    • Deflection yoke for a color cathode ray tube
    • 用于彩色阴极射线管的偏转磁轭
    • US4876479A
    • 1989-10-24
    • US197952
    • 1988-05-24
    • Akira KawabataYoshikazu TerasakiTakashi InoueHidenori Takita
    • Akira KawabataYoshikazu TerasakiTakashi InoueHidenori Takita
    • H01J29/56H01J29/70
    • H01J29/566H01J29/705H01J2229/5687
    • A deflection yoke for a cathode ray tube comprises a generally tubular core, a first deflection coil assembly including a pair of first deflection coils wound on the core and arranged in symmetrical relationship with each other about the longitudinal axis of the core and operable to deflect electron beams, traveling from an electron gun assembly towards a phosphor-coated screen region, in a horizontal direction, and a second deflection coil assembly generally toroidally wound on the core and operable to deflect the electron beams in a vertical direction. A pair of magnetic members are mounted on the core in opposition to each other and positioned on the imaginary horizontal axis perpendicular to the longitudinal axis of the core while spaced 180.degree. from each other about the longitudinal axis of the core. Each of the magnetic members is constituted by a generally elongated body having a pair of legs protruding from the elongated body which legs are spaced from each other in a vertical direction. A magnetizing member for each magnetic member is also provided for developing predetermined poles in the legs of each of the magnetic members.
    • 用于阴极射线管的偏转线圈包括大致管状的芯,第一偏转线圈组件,其包括缠绕在芯上的一对第一偏转线圈,并围绕芯的纵向轴线对称地布置,并且可操作地偏转电子 横向从水平方向从电子枪组件移动到磷光体屏幕区域;以及第二偏转线圈组件,其大致环形缠绕在磁芯上并且可操作以沿垂直方向偏转电子束。 一对磁性构件彼此相对地安装在芯上,并且位于垂直于芯的纵向轴线的假想水平轴上,同时围绕芯的纵向轴线彼此隔开180度。 每个磁性构件由通常细长的主体构成,该主体具有从细长主体突出的一对腿,所述腿在垂直方向上彼此间隔开。 每个磁性构件的磁化构件还设置用于在每个磁性构件的腿部中形成预定的极点。
    • 96. 发明授权
    • Block-divided driving of a thermal printhead
    • 热打印头的分块驱动
    • US4639741A
    • 1987-01-27
    • US755579
    • 1985-07-16
    • Takashi Inoue
    • Takashi Inoue
    • B41J2/35B41J2/355H04N1/23G01D15/10
    • B41J2/3551
    • A thermal printhead driving system of the present invention is to be applied to the case in which a print line is divided into two or more blocks and the print line is driven block by block from one end to the other in sequence. In accordance with the present driving system, a dot of interest is monitored as to whether it is a dot at each end of a block or not, and this information is used to differently define an address which is used to access a predetermined table of driving energy levels. In the preferred embodiment, the address is so defined to access an increased energy level if the dot of interest is an end dot of a block thereby providing an increasing level of driving energy to the end dot, so that a printed image high in quality can be obtained even with a block driving scheme.
    • 本发明的热打印头驱动系统应用于将打印线划分成两个或更多个块并且打印行从一端逐个地逐个驱动的情况。 根据当前的驱动系统,监视感兴趣点是否是在块的每个端部处的点,并且该信息用于不同地定义用于访问预定的驾驶表的地址 能量水平 在优选实施例中,如果感兴趣的点是块的终点,则该地址被定义为访问增加的能级,从而为端点提供增加的驱动能量的水平,使得高质量的打印图像可以 即使采用块驱动方案即可获得。