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    • 81. 发明授权
    • Video camera device with separate camera head and signal processing
circuit
    • 具有独立摄像头和信号处理电路的摄像机设备
    • US4831444A
    • 1989-05-16
    • US117081
    • 1987-11-05
    • Shinichi Kato
    • Shinichi Kato
    • H04N5/232H04N5/335
    • H04N5/335H04N5/23203
    • A video camera device in which camera head and signal processing circuit are provided separately and connected to each other by cable. Camera head includes CCD, drive pulse generator for generating a drive pulse of CCD, and first VCO for generating a clock pulse. Drive pulse generator frequency divides the clock pulse signal from first VCO to produce the drive pulse. Signal processing circuit includes signal processor for processing, e.g., clamping and sampling/holding a signal from CCD, timing generator for generating a timing signal of the signal processor, and a second VCO for generating a clock pulse. Timing generator frequency divides the clock pulse signal from second VCO to generate the timing signal. The output of first VCO is supplied from camera held through cable to signal processing circuit, and to phase comparator. The output of second VCO is also supplied to phase comparator. The oscillation frequency of second VCO is controlled by the output of phase comparator such that the phase difference detected by phase comparator is made zero.
    • 相机头和信号处理电路分别设置并通过电缆相互连接的摄像机装置。 相机头包括用于产生CCD的驱动脉冲的CCD,驱动脉冲发生器和用于产生时钟脉冲的第一VCO。 驱动脉冲发生器频率将来自第一个VCO的时钟脉冲信号分频,产生驱动脉冲。 信号处理电路包括信号处理器,用于处理例如来自CCD的信号的钳位和采样/保持,用于产生信号处理器的定时信号的定时发生器,以及用于产生时钟脉冲的第二VCO。 定时发生器频率将来自第二VCO的时钟脉冲信号分频以产生定时信号。 第一个VCO的输出从通过电缆保持的信号提供给信号处理电路,并提供给相位比较器。 第二个VCO的输出也提供给相位比较器。 第二VCO的振荡频率由相位比较器的输出控制,使得相位比较器检测的相位差为零。
    • 82. 发明授权
    • Cathode-ray tube with electrostatic deflection
    • 具有静电偏转的阴极射线管
    • US4792721A
    • 1988-12-20
    • US39275
    • 1987-04-17
    • Kentaro OkuMasanori MaruyamaMasakazu FukushimaShinichi Kato
    • Kentaro OkuMasanori MaruyamaMasakazu FukushimaShinichi Kato
    • H01J29/74H01J29/62H01J29/70
    • H01J29/74
    • A cathode-ray tube comprises an electron beam generating section provided at one end of the tube, a target provided at the other end of the tube, and a group of electrodes provided on an inner wall of the tube for focusing and deflecting an electron beam. The electrode group includes first and second electrodes between the one and other ends of the tube in the mentioned order. The first electrode has a lead electrode portion for supplying an electric potential to the second electrode. The lead electrode portion extends along the tube axis with a zigzag form in which an angle .angle.MZN of a convave apex M and a convex apex N adjacent thereto spanning in a circumferential direction centering the tube axis Z is not smaller than 115.degree. or a spiral form which rotates centering the tube axis at a rotation angle not smaller than 420.degree..
    • 阴极射线管包括设置在管的一端的电子束产生部分,设置在管的另一端的靶和设置在管的内壁上的一组电极,用于聚焦和偏转电子束 。 电极组包括按照所述顺序在管的一端和另一端之间的第一和第二电极。 第一电极具有用于向第二电极提供电位的引线电极部分。 引线电极部分以管状轴线的方式延伸,其中,在Z轴的Z轴方向上,与其轴线Z对齐的圆周方向上的交错顶点M的角度角MZN与其相邻的凸顶点N不小于115°, 使管轴以不小于420°的旋转角定心旋转的形式。