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    • 88. 发明授权
    • Method and apparatus for data communication
    • 用于数据通信的方法和装置
    • US4885755A
    • 1989-12-05
    • US847684
    • 1986-04-03
    • Takehiro Yoshida
    • Takehiro Yoshida
    • H04M11/06H04N1/32H04N1/333
    • H04N1/32619H04M11/06H04N1/3333H04N2201/33342H04N2201/3335
    • A data communication method includes the steps of: sending a communication procedure signal prior to data communication; sending a data signal; and sending a stop signal for stopping an echo suppressor function on a communication network; wherein the stop signal is sent prior to the data signal in such a way that a time interval during which no signal is generated does not occur, after the stop signal is sent, until the data signal is sent. A data communication apparatus includes: a communication unit for sending and receiving a data signal; a discrimination unit for discriminating if the apparatus is a calling station; and a control unit for controlling to change a communication controlling mode based on the output from the discrimination unit.
    • 数据通信方法包括以下步骤:在数据通信之前发送通信过程信号; 发送数据信号; 并在通信网络上发送停止回波抑制器功能的停止信号; 其中在数据信号之前发送停止信号,使得在发送停止信号之后,不发生不产生信号的时间间隔,直到发送数据信号。 数据通信装置包括:通信单元,用于发送和接收数据信号; 识别单元,用于识别该设备是否是呼叫站; 以及控制单元,用于基于来自识别单元的输出来控制改变通信控制模式。
    • 89. 发明授权
    • Data communication apparatus
    • 数据通信装置
    • US4829524A
    • 1989-05-09
    • US110542
    • 1987-10-20
    • Takehiro Yoshida
    • Takehiro Yoshida
    • H04L1/18H04N1/32
    • H04L1/188H04L1/1874H04N1/32619
    • There is a data communication apparatus having a transmitting section to divide data into a plurality of units and transmit the data and a memory section to store the data. This apparatus reads out the data of the designated unit from the memory section in response to a retransmission request signal from the reception side and a signal indicative of the designated unit and then retransmits the readout data from the transmitting section. Thus, even if the transmission error occurs the data can be retransmitted from the corresponding line and the retransmission is efficiently executed.
    • 存在具有发送部分的数据通信装置,用于将数据分割成多个单元并发送数据和存储部分以存储数据。 该装置响应于来自接收侧的重发请求信号和指示指定单元的信号,从存储部读出指定单元的数据,然后从发送部重发读出数据。 因此,即使发生传输错误,也可以从对应的线路重发数据,并且有效地执行重传。