Apparatus for using duplex transmission line in network

Details Apparatus for using duplex transmission line in network Apparatus for using duplex transmission line in network

1989-10-31

1992-08-04

Atkinson, Charles E.

Excavating

370 161, 371 206, G06F 1120

Patent

active

051365898

ABSTRACT:
In a network system, a duplex transmission line has two transmission lines. Each transmission line, which is connected to a transmitting section, a receiving section and a serial/parallel converter, enables data transmission to be performed in a normal operating condition. When a fault is generated in the transmission lines, the fault position is separated by a line changing section and a folded loop is formed, whereby the network system is reconstructed.

REFERENCES:
patent: 4354267 (1982-10-01), Mori et al.
patent: 4527270 (1985-07-01), Sweeton
patent: 4538264 (1985-08-01), Bahr et al.
patent: 4542496 (1985-09-01), Takeyama et al.
patent: 4710915 (1987-12-01), Kitahara
patent: 4723241 (1988-02-01), Grobel et al.
patent: 4737957 (1988-04-01), Nohmi et al.
patent: 4951280 (1990-08-01), McCool et al.

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