Multiplex communications – Wide area network – Packet switching
Patent
1987-05-13
1989-07-04
Griffin, Robert L.
Multiplex communications
Wide area network
Packet switching
34082505, H04J 302
Patent
active
048457094
ABSTRACT:
The data transmission control system includes a transmitter/receiver data buffer for temporarily storing data transmitted to or from a ring transmission line, a basic clock generating device for generating a basic clock and its phase data to be transmitted in a packet to the next node to synchronize a basic clock of the next node, and a controller for controlling data storage of the data buffer and timing of data transmission to the ring transmission line so as to produce a constant transmission time, thus making it possible to use a circuit switching method in the token ring network.
REFERENCES:
patent: 4525832 (1985-06-01), Miyao
patent: 4528661 (1985-07-01), Bahr et al.
patent: 4716575 (1987-12-01), Douros et al.
Itao Minoru
Matsumoto Masahiro
Ohhashi Kazuo
Watanabe Akira
Chin Wellington
Griffin Robert L.
Mitsubishi Denki K.K.
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