Multiplex communications – Wide area network – Packet switching
Patent
1988-12-27
1991-06-25
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 60, 370 941, H04J 314
Patent
active
050273469
ABSTRACT:
A node apparatus for use in a parallel communication network having an indefinite architecture. The node apparatus is capable of establishing one or more communication paths at the same time and passing parallel data without conversion to a serial data. The node apparatus includes a plurality of input ports, each including the same number of input channels, a like plurality of output ports, each including the same number of output channels, and a connection circuit connected between the input and output ports. Under the control of a control circuit, one of an input ports is connected to a selected one of the output ports by the connection circuit, in which all of the input channels of the input port are connected to respective output channels of the selected output port. Additionally, one or more input ports not in use may be connected to one or more other output ports not in use at the same time. One of the input channels in the input port may be defined as a main input channel and a connection of the input port to one of the output ports may be controlled by an input signal input into the main input channel.
REFERENCES:
patent: 4399531 (1983-08-01), Grande et al.
patent: 4782485 (1988-11-01), Gollub
patent: 4837761 (1989-06-01), Isono et al.
patent: 4839887 (1989-06-01), Yano
Jung Min
Olms Douglas W.
Ricoh & Company, Ltd.
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