Multiplex communications – Wide area network – Packet switching
Patent
1983-11-03
1985-10-15
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
370 85, H04J 300, H04J 302
Patent
active
045478791
ABSTRACT:
The transmission of digital data takes place over a network comprising a data transmission line and a control and synchronizing line connecting together a master station, alone capable of transmitting over the control line, and several slave stations. The two lines are unidirectional and looped back to the master station and the stations transmit information in phase over the two lines. For that, each slave station comprises means for extracting clock information from the signal permanently present on the control line.
REFERENCES:
patent: 3601543 (1971-08-01), Maniere et al.
patent: 3786419 (1974-01-01), Nick
patent: 4227178 (1980-10-01), Gergaud et al.
Combe Michel
Hamelin Jean-Francois
Chin Wellington
Olms Douglas W.
Service National Electricite de France
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