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AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsTakashi Yamamoto, Katsumi Nakagawa, Naotaka Kusui, Toshio Hayashi
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An intercom system includes first and second communication networks, a network connector (cable connector, reception driver, and transmission driver), an operation setter, and a connection controller. Each of the first and second communication networks includes an entrance slave device and an intercom master device, and performs communication by time division duplex. The network connector is used for connecting the communication networks. The operation setter sets share or unshare in order to indicate whether or not information stored in a slot is shared between the first communication network and the second communication network, for each slot. The connection controller controls the network connector to perform connection or disconnection (operation of transmission driver) between the first communication network and the second communication network, in accordance with settings of the share or the unshare.
An intercom system comprising:
A communication control method in an intercom system in which a first communication network in which communication is performed between a plurality of terminals including a first entrance slave device and a first intercom master device over a first communication cable, and a second communication network in which communication is performed between a plurality of terminals including a second entrance slave device and a second intercom master device are provided over a second communication cable different from the first communication cable, and the first communication network and the second communication network are connected to each other via a third communication cable different from the first communication cable and the second communication cable, the method comprising:
Dependencies are inferred from the claim text.