Multiplex communications – Wide area network – Packet switching
Patent
1989-12-06
1990-08-07
Orsino, Joseph A.
Multiplex communications
Wide area network
Packet switching
370 859, 370 943, H04J 116
Patent
active
049473859
ABSTRACT:
A local bus network is constructed in a star configuration and comprises transmission direction-associated star lines, the transmission channels leading from the peripheral stations to the central star point being respectively monitored at the star point for the appearance of a channel state signal transmitted from the respective station and identifying the transmission channel as busy or free. The useful signal transmitted in the transmission channel is thereby only forwarded after recognition of a "busy" signal, whereas the appertaining transmission channel is otherwise inhibited at the central star point at the receiver.
REFERENCES:
patent: 4417334 (1983-11-01), Gunderson et al.
patent: 4613858 (1986-09-01), Davidson et al.
patent: 4716408 (1987-12-01), O'Connor et al.
patent: 4740957 (1988-04-01), Cassidy et al.
patent: 4750168 (1988-06-01), Trevitt
"An Experimental Optical Local Area Network Using Fast Circuit Switching", International Switching Symposium (1987).
9 Telecom Report 1-14 (1986).
Orsino Joseph A.
Scutch III Frank M.
Siemens Aktiengesellschaft
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