Hybrid control of time division multiplexing

Details Hybrid control of time division multiplexing Hybrid control of time division multiplexing

1978-07-17

1980-04-22

Stewart, David L.

Multiplex communications

Wide area network

Packet switching

370 86, 370 91, H04J 308, H04J 312, H04J 600

Patent

active

041996623

ABSTRACT:
A hybrid multiplexing method and communications system for controlling transmission of information between a plurality of remote terminals and a shared central facility over a common communications channel. The remote terminals are synchronously polled to ascertain whether or not the remote terminals desire access to the central facility. Asynchronous polling is utilized to establish communication between the central unit and the remote terminals desiring access to the central unit.

REFERENCES:
patent: 3303476 (1967-02-01), Moyer
patent: 3396372 (1968-08-01), Calvert
patent: 3573740 (1971-04-01), Berger
patent: 3597549 (1971-08-01), Farmer
patent: 3603932 (1971-09-01), Kerr
patent: 3659271 (1972-04-01), Collins
patent: 3668649 (1972-06-01), Pedersen
patent: 3688273 (1972-08-01), Narang
patent: 3772656 (1973-11-01), Serracchioli
patent: 3879710 (1975-04-01), Maxemchuk
patent: 3921137 (1975-11-01), McClearn
patent: 3990036 (1976-11-01), Savit
patent: 4071711 (1978-01-01), Beaupre
IBM Technical Bulletin, vol. 8, No. 11, Apr. 1966, "Data Adapter Unit Auto-Poll".

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