Multipath transmission system

Details Multipath transmission system Multipath transmission system

1993-03-01

1994-06-14

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 859, 371 81, H04J 314

Patent

active

053216890

ABSTRACT:
A multipath transmission system of this invention includes a plurality of multiplex nodes connected in parallel to three common signal transmission lines. The multiplex node includes a transmission control circuit which is allotted to a corresponding one of devices, receives a multiplex signal from the device in response to a transmission request of another multiplex node and transmits the multiplex signal to the signal transmission line. It includes a voltage detection circuit for detecting a voltage generated in at least one of the transmission lines, a reception control circuit for specifying the transmission state of the signal transmission line according to a voltage detected by the voltage detection circuit, a communication control device for communicating with the multiplex nodes to detect fault, and a voltage setting circuit for changing a voltage of the signal transmission line when fault is detected by the communication control device.

REFERENCES:
patent: 4423506 (1983-12-01), Kawasaki et al.
patent: 4677308 (1987-06-01), Wroblewski et al.
patent: 4805169 (1989-02-01), Van Asselt
patent: 4847832 (1989-07-01), Chang et al.
patent: 4964120 (1990-10-01), Mostashari
patent: 5031176 (1991-07-01), Magne et al.

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