Multiplex communications – Wide area network – Packet switching
Patent
1980-04-11
1982-08-31
Safourek, Benedict V.
Multiplex communications
Wide area network
Packet switching
370 16, 371 68, H04J 302
Patent
active
043476058
ABSTRACT:
A multiplexed telecommunication system includes two looped transmission lines connecting a plurality of stations. Each station transmits along both looped lines and receives only from the first line. If a fault condition occurs, the station receives only from the second line, by automatically changing the receiving switch.
REFERENCES:
patent: 3859468 (1975-01-01), Smith et al.
patent: 4144410 (1979-03-01), Flickinger et al.
Hashizume Masao
Kitazawa Akira
Safourek Benedict V.
Tokyo Shibaura Denki Kabushiki Kaisha
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