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    • 6. 发明授权
    • Data communication apparatus
    • 数据通信装置
    • US5170428A
    • 1992-12-08
    • US569738
    • 1990-08-22
    • Tsunehiro WatanabeMotoaki YoshinoMasatomo TakahashiShigeo MiuraTakeshi Toyama
    • Tsunehiro WatanabeMotoaki YoshinoMasatomo TakahashiShigeo MiuraTakeshi Toyama
    • H04L12/18H04L12/58H04N1/32
    • H04L12/1836H04N1/32037H04N1/32064H04N1/324H04N1/32416H04N1/32797H04N2201/002
    • A data communication apparatus comprises: a memory to store data which is sent from a station for requesting the repeating multiple-address transmission; a transmitter to transmit the data stored in the memory to a repeating multiple-address reception station; a discriminating circuit to discriminate whether the transmission from the request station has been performed via a first route or via a second route; and a deciding circuit to decide whether the repeating multiple-address transmission is performed to the repeating multiple-address reception station or not on the basis of the discrimination by the discriminating circuit. The first route is the route via the telephone network for use in communication of voice and data. The second route is the route via the data communication network only for use in data communication. By previously storing the data of the repeating multiple-address reception station corresponding to the station for requesting the repeating multiple-address transmission, the repeating multiple-address transmission can be performed without instructing the repeating multiple-address reception station from the request station.
    • 数据通信装置包括:存储器,用于存储从站发送用于请求重复多地址传输的数据; 发送器,用于将存储在存储器中的数据发送到重复的多地址接收站; 鉴别电路,用于鉴别来自请求站的传输是否经由第一路由或经由第二路由执行; 以及判定电路,其基于鉴别电路的判别来决定是否对重复的多地址接收站执行重复的多地址发送。 第一条路线是通过电话网络路由,用于语音和数据的通信。 第二条路径是经由数据通信网络的路由,仅用于数据通信。 通过预先存储与用于请求重复多地址传输的站对应的重复多地址接收站的数据,可以在不从请求站指示重复的多地址接收站的情况下执行重复的多地址传输。