Multiplex communications – Wide area network – Packet switching
Patent
1990-02-28
1990-12-11
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
3701001, 3701101, H04J 306, H04J 312
Patent
active
049775588
ABSTRACT:
A circuit which operates at the fixed timing and discriminates the control signal is provided and the timing pulse for demultiplexing is controlled in accordance with the discriminated control signal in the receiving part of the synchronized multiplexing system in which the basic signals are generated by inserting the control signal required for multiplexing on the frame structure of basic signal rate and the high level multiplexing signal is formed by multiplexing such basic signals, thereby stable correspondence between the channel at the time of multiplexing in the sending side and the channel after the demultiplexing in the receiving side can be ensured.
REFERENCES:
patent: 4382297 (1983-05-01), Farrow
patent: 4719624 (1988-01-01), Bellisio
patent: 4744082 (1988-05-01), Fujimura et al.
patent: 4764921 (1988-08-01), Graves et al.
patent: 4771426 (1988-09-01), Rattingourd et al.
Amemiya Shigeo
Iguchi Kazuo
Soejima Tetsuo
Watanabe Toshiaki
Fujitsu Limited
Jung Min
Olms Douglas W.
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