Multiplex communications – Wide area network – Packet switching
Patent
1986-07-30
1988-12-27
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 94, H04J 324, H04Q 1104
Patent
active
047945907
ABSTRACT:
A communication network includes a plurality of nodes, which are interconnected by transmission lines, and a plurality of terminals connected to selected ones of the plurality of nodes, each of the nodes includes a plurality of input channels, a plurality of output channels and a connection control unit for controlling connection between the input and output channels. When an input signal is received by one of the input channels, it is once supplied to all of the output channels. Then, an input channel which has received the input channel in the first place is detected and then all of the input channels excepting the one having received the input channel in the first place are disconnected from the output channels, thereby preventing the preamble of the signal from being lost partly. If the control means has a capability of storing information of one or more of the input channels, the node can be shared by two or more transmission lines, thereby allowing to carry out a multiple of communications through the same node.
REFERENCES:
patent: 4314367 (1982-02-01), Bakka et al.
patent: 4445214 (1984-04-01), Reynolds et al.
patent: 4475188 (1984-10-01), Wilson et al.
patent: 4630045 (1986-12-01), Georgiou
Jung Min
Olms Douglas W.
Ricoh Company Limited
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