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    • 95. 发明授权
    • Communication system and superimposing apparatus
    • 通信系统和叠加设备
    • US09319339B2
    • 2016-04-19
    • US13879618
    • 2011-10-25
    • Takeshi SugiyamaTadashi MatsumotoKen Takahashi
    • Takeshi SugiyamaTadashi MatsumotoKen Takahashi
    • H04L12/869H04B3/54
    • H04L47/60H04B3/544
    • The communication system includes: first terminal devices connected to a transmission path and having terminal information; a second terminal device connected to the path and sending an information request requesting the information from the first terminal device; a first superimposing apparatus interposed between the first terminal device and the path; and a second superimposing apparatus interposed between the second terminal device and the path and receiving the request from the second terminal device. The first superimposing apparatus acquires the information from the connected first terminal device at predetermined timings and stores it. Upon receiving the request, the second superimposing apparatus sends the request to the first superimposing apparatus using a superimposed signal superimposed on a transmission signal transmitted via the path. Upon receiving the request, the first superimposing apparatus sends the information to the second superimposing apparatus using the superimposed signal. Upon receiving the information, the second superimposing apparatus provides the information to the second terminal device.
    • 通信系统包括:连接到传输路径并具有终端信息的第一终端设备; 连接到所述路径并发送从所述第一终端设备请求所述信息的信息请求的第二终端设备; 插入在所述第一终端装置和所述路径之间的第一重叠装置; 以及插入在第二终端设备和路径之间并且接收来自第二终端设备的请求的第二叠加设备。 第一重叠装置以预定的定时从连接的第一终端装置获取信息并存储。 在接收到请求时,第二叠加装置使用叠加在经由该路径发送的发送信号上的叠加信号将该请求发送给第一叠加装置。 在接收到请求时,第一叠加装置使用叠加信号将信息发送到第二叠加装置。 在接收到该信息时,第二重叠装置向第二终端装置提供信息。