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    • 54. 发明授权
    • Channel translators for use in time division digital exchangers
    • 用于时分数字交换机的频道翻译器
    • US4207435A
    • 1980-06-10
    • US932134
    • 1978-08-08
    • Keiji OkadaKohei Habara
    • Keiji OkadaKohei Habara
    • H04J3/00H04Q11/04
    • H04Q11/0407H04Q11/04
    • PCM 24 channel digital voice information received from an incoming trunk are sequentially stored in a speech data memory device for respective channels through an input buffer memory device. The addressed content of the speech data memory device is read out by a control signal which has been stored in a control memory device and adapted to designate an address of the speech data memory device from which information is to be read out, and the read out information is sent to an outgoing trunk through an output buffer memory device thereby operating channel translation. The channel assigned to the outgoing trunk is different from that assigned to the incoming trunk. The speech data memory device, the control memory device and the program memory device are constituted by one memory means and the exchange of signals between the memory means and the input/output buffer memory devices as well as an arithmetic operation unit is effected by a programmed control of a program memory device.
    • 从进入的中继线接收的PCM24信道数字语音信息通过输入缓冲存储器装置顺序存储在用于各个信道的语音数据存储装置中。 通过已经存储在控制存储装置中的控制信号读出语音数据存储装置的寻址内容,并且适于指定要读出信息的语音数据存储装置的地址,并读出 通过输出缓冲存储器件将信息发送到输出中继线,从而操作信道转换。 分配给出站中继的通道与分配给传入中继的通道不同。 语音数据存储装置,控制存储装置和程序存储装置由一个存储装置构成,存储装置和输入/输出缓冲存储装置之间的信号交换以及算术运算装置由编程的 控制程序存储器件。