Multiplex communications – Channel assignment techniques – Polling
Patent
1996-12-19
1999-08-31
Patel, Ajit
Multiplex communications
Channel assignment techniques
Polling
370452, 370403, H04L 12403, H04L 1228
Patent
active
059463210
ABSTRACT:
A communication interface 122 for a network having a plurality of nodes 100-108 and a communication link 124,126 (120) connected between predetermined ones of the nodes 100-108 which propagates bus data, includes a first shared communication circuit 128, to be connected in series with the link 124,126, which receives the bus data and passes shared data along the link 124,126, a second shared communication circuit 136,142, connected to one port 129 of the circuit 128, which receives the bus data from the link 124,126 and passes the shared data, and which receives the shared data and couples the shared data onto the link 126, a first unshared communication circuit 144,148, connected to the port 129 of the circuit 128, which receives the bus data from the link 126 and passes the unshared data, and which receives the shared data and couples the unshared data onto the link 126, a second unshared communication circuit 130,134, connected to another port 127 of the circuit 128, which receives the bus data from the link 124 and passes the unshared data, and which provides unshared data onto the link 124, and the first shared communication circuit 136 not passing the unshared data.
REFERENCES:
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patent: 4789982 (1988-12-01), Coden
patent: 4803485 (1989-02-01), Rypinski
patent: 5422885 (1995-06-01), Nadkarani
patent: 5576702 (1996-11-01), Samoylenko
patent: 5642351 (1997-06-01), Baran
Otis Elevator Company
Patel Ajit
Pizarro Ricardo M.
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