Multiplex communications – Wide area network – Packet switching
Patent
1985-09-09
1988-05-24
Griffin, Robert L.
Multiplex communications
Wide area network
Packet switching
455601, 455612, H04B 900
Patent
active
047470941
ABSTRACT:
A signal coupler couples more than three transmitter-receivers through optical fiber cables and at least one repeater on a bit-multiplex system, by exchanging or reallocating each time slot according to a transmission station and the related destination. The coupler has a means to release the bit-multiplexing (or demultiplex) the signals from each transmitter by deriving the control clock signals from the information signals themselves. The coupler also has a means for multiplexing the bit signals for each destination by automatically adjusting the phase relationships among the released signals (demultiplexed signals) for bit-synchronization using a delay circuit.
REFERENCES:
patent: 4603415 (1980-07-01), Nakada et al.
"Satellite Switched Time-Domain Multiple Access", EASCON '74 Record, IEEE Electronics and Aerospace Systems Convention, 1974, COMSAT Laboratories, Clarksburg, MD, pp. 189-196.
Iwamoto Yoshinao
Sakaguchi Haruo
Seki Norio
Yamamoto Shu
Beek Leslie Van
Griffin Robert L.
Kokusai Denshin Denwa Co. Ltd.
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