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1. 发明授权

US08258940B2 Power line communications system 有权
标题翻译：电力线通信系统
公开(公告)号：US08258940B2
公开(公告)日：2012-09-04
申请号：US12134308
申请日：2008-06-06
申请人： Takehiro Matsuda , Hiroji Kobayashi , Kenji Kuniyoshi , Hiroji Hatano , Kaoru Mukai
发明人： Takehiro Matsuda , Hiroji Kobayashi , Kenji Kuniyoshi , Hiroji Hatano , Kaoru Mukai
IPC分类号： G08B1/08 , G08C19/12 , G05B11/01 , H02J3/02
CPC分类号： H04B3/54 , H04B2203/5454 , H04B2203/5483 , H04B2203/5491
摘要： A power line communications system includes slave apparatuses individually connected to multiple electric power line wirings; a master apparatus connected to one of the multiple electric power line wirings; and couplers each connected between the master apparatus and the others of the multiple electric power line wirings. The master apparatus includes a communicator for performing power line communications with the slave apparatuses via the electric power lines; a power supply terminal device connected to the one electric power line wiring; a communication connector provided between the communicator and the power supply terminal device; and a coupler connecting terminal device connected to each of the couplers via a signal line. The communication connector has a first capacitor connected to the power supply terminal device for cutting off a frequency component of commercial power supply and transmitting a frequency component for use in the power line communications, and a first transformer connected between the first capacitor and the communicator. The coupler connecting terminal device is connected between the first capacitor and the first transformer.
摘要翻译：电力线通信系统包括分别连接到多条电力线路布线的从设备; 连接到所述多条电力线配线之一的主装置; 以及分别连接在多个电力线配线的主装置和其他装置之间的耦合器。主装置包括：通过电力线与从装置进行电力线通信的通信装置; 连接到所述一个电力线布线的电源端子装置; 设置在所述通信器和所述电源端子装置之间的通信连接器; 以及通过信号线连接到每个耦合器的耦合器连接端子装置。通信连接器具有连接到电源端子装置的第一电容器，用于切断商用电源的频率分量并发送用于电力线通信的频率分量，以及连接在第一电容器和通信器之间的第一变压器。耦合器连接端子装置连接在第一电容器和第一变压器之间。

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