Multiplex communications – Wide area network – Packet switching
Patent
1994-04-01
1995-09-12
Chin, Wellington
Multiplex communications
Wide area network
Packet switching
370 942, 3701101, 358425, 379352, H04J 312, H04L 1264, H04L 1212
Patent
active
054504023
ABSTRACT:
Data communication is started when a first B channel is established between a source terminal and a destination terminal. Immediately before or after the start of a data transmission phase, the destination terminal is called a second time so that a second B channel may be established. Immediately before or after the data transmission phase, the use of one of the B channels is terminated. Accordingly, time required for data communication can be reduced.
REFERENCES:
patent: 5142525 (1992-08-01), Nakatsuma
patent: 5184345 (1993-02-01), Sahni
patent: 5297146 (1994-03-01), Ogawa
Chin Wellington
Ricoh & Company, Ltd.
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