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AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsTakahisa Sakai, Yuji Mizuguchi, Noboru Katta, Hirotsugu Kawada
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A communications system and a communications device are provided that can reduce the difference in data reaching time with a simple structure and can play audio without making listeners feeling strange. A communications device 105 is coupled to a network 101 and a device 106 such as a CD player or the like. The communications device 105 includes a network interface unit 100, a network controller 103 communicating with the device 106 and others, and a CPU controlling these components. Furthermore, the network interface unit 100, a transmission signal processing unit 107 and a reception signal processing unit 108 converts the data format appropriate for the network controller 103 and the network 101, respectively. A transmission scheme determination unit 102 determines the transmission scheme used among nodes. First and second switches 109 and 110 each have a contact A and a contact B, connecting either one of these contacts based on a control signal from the transmission scheme determination unit 102.
A communications system comprising a plurality of nodes including at least one transmission scheme variable node that selects a transmission scheme for use from a plurality of transmission schemes, and a network coupling the plurality of nodes, wherein
A communications device for carrying out communications for transmitting, before using a transmission scheme selected from a plurality of transmission schemes, information about the selected transmission scheme to another node by using a previously set transmission scheme, thereby correcting a difference in reaching times of data that should almost simultaneously reach respective two or more different nodes coupled to each other via a network, said communications device comprising:
Dependencies are inferred from the claim text.