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    • 3. 发明授权
    • Hierarchical data transmission system
    • 分层数据传输系统
    • US4811341A
    • 1989-03-07
    • US1032
    • 1987-01-07
    • Naonobu FujimotoTakashi YoritaYoshiaki YatoYoshinori NakamuraKenji Satoh
    • Naonobu FujimotoTakashi YoritaYoshiaki YatoYoshinori NakamuraKenji Satoh
    • H04L7/04H04J3/00H04J3/04H04J3/06H04J3/02
    • H04J3/047
    • A hierarchical data transmission system outputs a high speed second data train by step-by-step multiplexing a plurality of first data trains. A first signal processing part operates at the processing speed corresponding to the first data train, a third signal processing part operates at the processing speed corresponding to the second data train, and a second signal processing part operates at the processing speed corresponding to the intermediate speed of the first data train and second data train. A first clock signal of the speed corresponding to the processing speed of the third signal processing part, a second clock signal of the speed corresponding to the processing speed of the second signal processing part by dividing the first clock signal, and a third clock signal of the speed corresponding to the processing speed of the third signal processing part are generated the first signal processing part operates in association with the third signal processing part, by dividing the second clock signal after the phase adjustment with reference to the phase information of the first clock signal.
    • 分级数据传输系统通过逐步复用多个第一数据列输出高速第二数据序列。 第一信号处理部以与第一数据串对应的处理速度进行动作,第三信号处理部以与第二数据串对应的处理速度进行动作,第二信号处理部以对应于中间速度的处理速度 的第一数据列和第二数据列。 对应于第三信号处理部分的处理速度的速度的第一时钟信号,对应于第二信号处理部分的处理速度的速度的第二时钟信号通过划分第一时钟信号,以及第三时钟信号 产生与第三信号处理部分的处理速度相对应的速度,第一信号处理部分与第三信号处理部分相关联地操作,通过参考相位调整之后的第二时钟信号参考第一时钟的相位信息 信号。