Contention free local area network
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United States of America Patent
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-
Jun 6, 1995
Grant Date -
N/A
app pub date -
Jun 1, 1992
filing date -
Jun 1, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A contention free local area network includes a token passing control bus (102) and a data bus (104) coupled to a plurality of communication nodes ( 108, 112, 114, 116, 118, and 120). The control bus (102) allows for a transmit-enable token to be daisy-chained along the plurality of communication nodes. When one of the communication nodes wants to transmit a message, the node upon receiving the transmit-enable token holds the token until it transmits its message along a data bus (104) to the other communication nodes. Once the message is transmitted, the particular communication node releases the transmit-enable token, allowing the token to continue to be rotated among the plurality of communication nodes (108, 112, 114, 116, 118 and 120).
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