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    • 4. 发明专利
    • Magnetic recorder and reproducing device
    • 磁记录器和复制设备
    • JPS60195773A
    • 1985-10-04
    • JP5047184
    • 1984-03-15
    • Konishiroku Photo Ind Co Ltd
    • TANABE IKUOOOTA YOSHITAKA
    • G11B5/86G11B19/20G11B19/28G11B27/026
    • G11B5/86G11B19/20G11B19/28G11B27/026
    • PURPOSE:To simplify the circuit of a rotation controlling system in a device equipped with plural magnetic disks, by using the detecting pulse of the rotational phase detecting device of a reference servo system as the reference clock for controlling the rotational phase of the rotational phase detecting devices from the next stage. CONSTITUTION:At a reference servo system, the rotational phase of a disk 1 is controlled by a servo controlling circuit 9 so that a detecting pulse by a rotational phase detecting device 8 which detects the rotational phase of the magnetic disk 1 can be synchronized to a reference clock. The detecting pulse from the device 8 which becomes stable and highly accurate at the time of normal operation is impressed upon similar servo controlling circuits 31 and 32 for disks 23 and 24 to be used for dubbing the disk 1 and so forth, as reference clocks and the disks 23 and 24 are accurately controlled in rotational phase synchronously to the disk 1. With this constitution which does not need any circuits for synchronizing, the circuit of a rotation controlling system in a device equipped with plural disks can be simplified.
    • 目的:为了简化配备有多个磁盘的设备中的旋转控制系统的电路,通过使用参考伺服系统的旋转相位检测装置的检测脉冲作为用于控制旋转相位检测的旋转相位的参考时钟 设备从下一阶段。 构成:在参考伺服系统中,由伺服控制电路9控制盘1的旋转相位,使得检测磁盘1的旋转相位的旋转相位检测装置8的检测脉冲可以与 参考时钟。 来自装置8的检测脉冲,其在正常操作时变得稳定和高度准确,被施加到用于将盘1等进行转录的类似的用于盘23和24的伺服控制电路31和32作为参考时钟和 磁盘23和24与盘1同步旋转相位被精确地控制。通过这种不需要任何电路同步的结构,可以简化装备有多个盘的装置中的旋转控制系统的电路。
    • 8. 发明专利
    • Reproducing device
    • 再现设备
    • JPS6118289A
    • 1986-01-27
    • JP13825484
    • 1984-07-03
    • Canon Inc
    • HASHIMOTO SEIJISAKATA TSUGUHIDETOUJIYOU AKIHIKO
    • G11B27/022G11B27/026H04N5/931H04N9/79H04N9/81H04N9/86
    • H04N5/931G11B27/022G11B27/026G11B2220/20H04N9/86
    • PURPOSE:To obtain a dubbing signal with which a reproduced color difference line sequential signal is subject to dubbing recording as a high definition picture by providing a dubbing signal output means demodulating a color difference line sequential signal read from a recording medium and outputting it as the dubbing signal. CONSTITUTION:A switch 23 is thrown to the position P in the reproducing mode and a signal on a disc 24 is led to a preamplifier 31 via a head MH, demodulated by demodulation circuits 35, 36 and a luminance signal and a color difference signal are obtained. An output of the circuits 35, 36 is converted into an NTSC signal or an R, G, B signal at an output processing circuit 39 as an interpolating means via a Y process circuit 37 and a C process circuit 38 respectively. When a dubbing switch 40 is thrown to the position of dubbing, the interpolation processing at the circuit 39 is stopped and the luminance signal and the color difference line sequential signal not subject to interpolation are outputted as the dubbing signal from an output terminal D.OUT as a dubbing signal output means.
    • 目的:通过提供一个转录信号输出装置来解码从记录介质读取的色差线序列信号,并将其输出作为一个复制信号,以将再现的色差线序列信号作为高分辨率图像进行复制记录, 配音信号 构成:在再现模式中将开关23投入到位置P,并且通过解调电路35,36解调的磁头MH将盘24上的信号引导到前置放大器31,并且亮度信号和色差信号是 获得。 电路35,36的输出通过Y处理电路37和C处理电路38分别作为内插装置在输出处理电路39处被转换为NTSC信号或R,G,B信号。 当复制开关40被投掷到转录位置时,停止电路39的内插处理,并且将不进行插值的亮度信号和色差线顺序信号作为来自输出端DOUT的转录信号输出 作为配音信号输出装置。
    • 10. 发明专利
    • Reproducer for rotary recording medium
    • 旋转记录介质再生器
    • JPS59140666A
    • 1984-08-13
    • JP1394683
    • 1983-01-31
    • Victor Co Of Japan Ltd
    • SHICHIJIYOU SHIYUNICHIHIRATA ATSUMIMACHIDA TOYOTAKAKANEKO KENJIARAYAGAITO TATSUYA
    • G11B19/02G09B5/06G11B20/06G11B20/18G11B27/026G11B27/028G11B27/10G11B27/28
    • G11B27/028G09B5/065G11B20/06G11B20/1809G11B27/026G11B27/105G11B27/28G11B2220/20
    • PURPOSE: To attain a so-called interactive mode reproduction between an external device by synthesizing in time series a sound signal recorded together with a video signal or reproducing a disk which recorded a control program in a limited band in place of the sound signal.
      CONSTITUTION: The control program signal taken out of a control program generator 15 is modulated by a modulator 19 in a self-clockable modulating system such as an FM (frequency modulation biphase space modulation) system. This modulated signal is limited to a sound signal band by an LPF20 and at the same time delayed by about 1H to be turned into a waveform of almost a sine wave. For the output signal of the LPF20, the phase of its peak value corresponds approximately to the phase of a horizontal synchronizing signal. Therefore, the data can be demodulated with use of the reproduction output of the horizontal synchronizing signal without reproducing a clock component out of the horizontal synchronizing signal.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:通过与时间序列合成与视频信号一起记录的声音信号或再现记录有限频带中的控制程序的磁盘代替声音信号,来实现外部设备之间所谓的交互模式再现。 构成:从控制程序发生器15取出的控制程序信号由调制器19在诸如FM(频率调制双相空间调制)系统的自适应调制系统中调制。 这个调制信号被LPF20限制在一个声音信号频带上,同时被延迟大约1H以转换成几乎正弦波的波形。 对于LPF20的输出信号,其峰值的相位大致对应于水平同步信号的相位。 因此,可以使用水平同步信号的再现输出来解调数据,而不从水平同步信号中再现时钟分量。