Patent ID: 8730839
Filing Date: 2014-05-20
Classification: H04B,H04L

Abstract:
1. A control device included in a communication system in which a plurality of networks are connected to one another by one or more wired channels, the control device comprising: a communication management unit configured to determine, for each network, (i) an inter-network communication period during which a communication terminal belonging to the network is allowed to perform communication with another communication terminal belonging to another network, and (ii) an intra-network communication period during which a communication terminal belonging to the network is allowed to perform communication only with another communication terminal belonging to the network; and a control unit configured to place, among one or more filters provided between the networks, (i) any filter provided between at least two of the networks in a passable state during the inter-network communication period, and (ii) every filter in a blocked state during the intra-network communication period, wherein power line communication is performed in the communication system, the control device is connected to the networks by the one or more wired channels via a plurality of breakers provided in one-to-one correspondence with the networks, the control device further comprises the filters, which are provided in one-to-one correspondence with the networks, and the filters are connected in one-to-one correspondence to the breakers.