System for exchanging encoded messages between stations
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United States of America Patent
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Aug 31, 1982
Grant Date -
N/A
app pub date -
May 1, 1980
filing date -
May 4, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention consists in a system for exchanging encoded messages between stations, in which each station comprises a connection module (2) connected to a signal bus (LMS) and to a data bus (LMI), the signal and data buses being serial multiplex links synchronized by a general timebase, a time interval comprising consecutive even-numbered and odd-numbered time slots being allocated in each signalling frame to each connection module. In this system for exchanging encoded messages, the signal and data buses are duplicated for security reasons, signalling messages being sent simultaneously on both signal buses and data messages being sent simultaneously on both data buses, messages being received on one bus only.
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