Multiple channel data communication system

Multiplex communications – Wide area network – Packet switching

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3408255, 370 30, H04J 110

Patent

active

RE0323276

ABSTRACT:
A multiple channel communications system and method for communication among multiple channels using a channel selectable MODEM. The system is comprised of a coaxial cable, a variety of interface units with attached communicating devices and a channel bridge. The interface units include a MODEM and a microprocessor based support element adapted for the attached communicating device. The channel bridge includes two or more [MODEM's] MODEMs and a microprocessor based computer for receiving data from one MODEM and transmitting the data on another MODEM.

REFERENCES:
patent: 2932694 (1960-04-01), Hawks et al.
patent: 3548106 (1970-12-01), Watson et al.
patent: 3864521 (1975-02-01), De Long et al.
patent: 4031327 (1977-06-01), Butin et al.
patent: 4154983 (1979-05-01), Pedersen
IBM Technical Disclosure Bulletin, "Frequency Allocation for Frequency Division Communication" by Foglia et al., vol. 21, No. 10, Mar. 1979, pp. 4139-4141.
"Broadband Technology Magnifies Local Networking Capability" by Dineson et al., Data Communications, Feb. 1980, pp. 61-79.

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