Multiplex communications – Wide area network – Packet switching
Patent
1987-09-15
1989-06-13
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 94, H04B 900, H04J 326
Patent
active
048398870
ABSTRACT:
A node apparatus is used in a communication network having a multi-conjunction architecture. The communication network has a plurality of transmission paths each coupling one node apparatus to another node apparatus or a terminal device. The node apparatus generally comprises an input port, an output port, and a control part for controlling the coupling of input channels of the input port to output channels of the output port. The control part couples a first receiving input channel which receives a signal first out of the input channels to all of the output channels excluding an output channel having a channel number corresponding to that of the first receiving input channel, so as to broadcast the signal.
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patent: 4347498 (1982-08-01), Lee et al.
patent: 4399531 (1983-08-01), Grande et al.
patent: 4470154 (1985-08-01), Yano
patent: 4516272 (1986-06-01), Yano
patent: 4672373 (1987-06-01), Mori et al.
A Local Network Design Using Fiber Optics, Hewlett-Packard Co. California USA; Randal NEFF, IEEE 1981, pp. 64-69.
Jung Kim Min
Olms Douglas W.
Ricoh & Company, Ltd.
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