Data transmission method and apparatus

Details Data transmission method and apparatus Data transmission method and apparatus

1984-08-03

1987-02-24

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370109, H04J 322, H04J 300

Patent

active

046462902

ABSTRACT:
A data transmission method and apparatus, particularly useful in an SCA FM subcarrier data transmission system, is disclosed. The method comprises selectively arranging individual characters of data messages of varying bit rates in real time in a multiframe matrix and transmitting the data messages at a defined bit rate to individual receiver locations where the data messages addressed to the individual receiver locations are decoded and displayed. The transmission method allows data messages of varying bit rates to be transmitted at a single defined bit rate to the receiver locations. At the receiver locations, the data messages are extracted from the matrix and regenerated. The data transmission method allows for downstream insertion of additional data and is highly tolerant of burst errors. A system for transmitting data using the method is also described.

REFERENCES:
patent: 3213201 (1965-10-01), Flood et al.
patent: 3982077 (1976-09-01), Clark et al.
patent: 4041453 (1977-08-01), Umeda et al.
patent: 4417349 (1983-11-01), Hills et al.
patent: 4520232 (1985-05-01), Wilson

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