H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/28
H04Q 3/42 (2006.01) H04L 12/43 (2006.01)
Patent
CA 1269438
ABSTRACT Packet data communication system includes a ring type transmission line for circulating a predetermined number of slots on which packets to be transmitted are loaded. Interface nodes are provided between the ring type transmission line for loading packets on slots and receiving packets from slots for terminals. In the interface node, there are a predetermined number of sub- transmission lines, for passing each of the slots in parallel through the interface node. Terminal interfaces respectively hav- ing sending buffers for storing packets and receiving buffers for storing packets are provided as well as a switch for connecting each of the sending buffers and receiving buffers to any one of the sub-transmission lines.
540657
Awazu Tomohiko
Fukuda Haruki
Higuchi Masahiro
Matsuda Masahiro
Tazaki Kenshi
Fetherstonhaugh & Co.
Fujitsu Limited
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