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    • 27. 发明授权
    • Method for making CRT shadow masks
    • CRT阴影掩模的制作方法
    • US4482334A
    • 1984-11-13
    • US409354
    • 1982-08-19
    • Yasuhisa OhtakeKazuyuki SeinoEiji Kamohara
    • Yasuhisa OhtakeKazuyuki SeinoEiji Kamohara
    • H01J9/14H01J29/07
    • H01J9/142
    • A method of making a mask arrangement including two (2) or more of masks for a mask-focusing color picture tube and the mask arrangement formed by the method. A plurality of apertured flat masks, each mask comprising an effective portion having apertures and a non-effective portion surrounding the effective portion, are prepared. The flat masks are aligned and stacked, then filling material is poured into the apertures. The filling material is solidified thereby fixing the flat masks together. The fixed masks are pressed into a predetermined curved shape. Then, the filling material is removed from the apertures and the masks are separated.
    • 一种制造掩模装置的方法,其包括用于掩模聚焦彩色显像管的二(2)个或更多个掩模和由该方法形成的掩模布置。 多个有孔平面掩模,每个掩模包括具有孔的有效部分和围绕有效部分的无效部分。 平面掩模对齐并堆叠,然后将填充材料倒入孔中。 填充材料固化,从而将平面罩固定在一起。 将固定的掩模压入预定的弯曲形状。 然后,从孔中取出填充材料,分离掩模。
    • 29. 发明授权
    • Optical d.c. voltage transformer
    • 光学直流 电压互感器
    • US5153427A
    • 1992-10-06
    • US667330
    • 1991-03-11
    • Genji TakahashiKazuyuki SeinoSadamu SaitoTadashi SatoEtsunori MoriKiyoshi KurosawaYoshinori Shirai
    • Genji TakahashiKazuyuki SeinoSadamu SaitoTadashi SatoEtsunori MoriKiyoshi KurosawaYoshinori Shirai
    • G01R15/24G01R19/00
    • G01R15/242
    • An optical d.c. voltage transformer having an electrooptic medium to which a d.c. electrical field or voltage to be measured is to be applied. The electrooptic medium affects the polarized light from the polarizer by an electrooptical effect to a degree proportional to the strength of the electrical field or voltage. The transformer includes a photodetector for producing an optical signal proportional to the affected light received from the electrooptic medium, a device for converting the optical signal from the photodetector into an electrical signal, a chopper for pulsating the electrical field or voltage to be applied to the electrooptic medium, in terms of time, a detector for demodulating the electrical signal from the converting device in synchronism with the pulsated electrical field or voltage, and an output unit for visually presenting the demodulated electrical signal similar in polarity to the electrical field or voltage to be measured.
    • 光学直流 具有电光介质的电压变压器, 要施加要测量的电场或电压。 电光介质通过电光效应将来自偏振器的偏振光影响到与电场或电压的强度成比例的程度。 变压器包括用于产生与从电光介质接收的受影响的光成比例的光信号的光电检测器,用于将来自光电检测器的光信号转换为电信号的装置,用于脉动施加到电场的电场或电压的斩波器 电光介质在时间方面与用于与脉动的电场或电压同步地解调来自转换装置的电信号的检测器和用于以与电场或电压极性相似的解调电信号视觉呈现的输出单元 被测量。
    • 30. 发明授权
    • Color picture device having magnetic pole pieces
    • 具有磁极片的彩色图像装置
    • US4723094A
    • 1988-02-02
    • US769344
    • 1985-08-26
    • Taketoshi ShimomaKumio FukudaKazuyuki Seino
    • Taketoshi ShimomaKumio FukudaKazuyuki Seino
    • H04N9/28H01J29/70H01J29/64
    • H01J29/707H01J29/705H01J29/706H01J2229/5637
    • In a color picture device having a color picture tube, three electron guns for emitting electron beams are arranged in a neck section of the tube. A shadow mask, having a number of apertures, is arranged opposing a phosphor screen of a panel section of the tube. Convergence yokes for correcting misconvergence of the three electron beams are arranged around the neck section. A convergence electrode for converging the three electron beams over the entire screen is arranged in the neck section at the ends of the guns closer to the phosphor screen. The convergence electrode has three pairs of pole pieces each of which is formed of a magnetic substance with high permeability and is arranged in the neck section so as to surround the electron beam between the pole pieces. The length Wp of each pole piece along the tube axis is about two times or more the distance G between the pole pieces, and the length Wp is about twice the thickness Wy of the convergence yoke along the tube axis. Thus, the leakage flux from the pair of pole pieces along the tube axis is 20% or less of the total magnetic field generated by the convergence yoke.
    • 在具有彩色显象管的彩色图像装置中,用于发射电子束的三个电子枪布置在管的颈部。 具有多个孔的荫罩布置成与管的面板部分的荧光屏相对。 用于校正三个电子束的失会聚的收敛轭设置在颈部周围。 用于在整个屏幕上会聚三根电子束的会聚电极布置在靠近荧光屏的枪的端部处的颈部中。 会聚电极具有三对极片,每个极片由具有高磁导率的磁性物质形成,并且设置在颈部中以围绕极片之间的电子束。 每个极片沿着管轴的长度Wp约为极片之间的距离G的两倍或更多,并且长度Wp是会聚轭铁沿着管轴的厚度Wy的两倍。 因此,沿着管轴的一对极片的漏磁通是由会聚轭产生的总磁场的20%以下。