Method for operating a digital time division multiplex communica

Details Method for operating a digital time division multiplex communica Method for operating a digital time division multiplex communica

1975-08-05

1977-09-27

Stewart, David L.

H04J 300

Patent

active

040513289

ABSTRACT:
A digital time division multiplex communication network wherein the subscriber terminals are disposed in a fixed order on a TDM trunk going out from and ending in the terminal exchange is described. The data intended for the subscriber terminals are sent out by the terminal exchange together with an unmodulated carrier byte in the order of the connection of the subscriber terminals. After receiving the information intended therefor and after modulation of the carrier byte with the information to be supplied, the subscriber terminals are no longer capable of reception until the next pulse frame. The carrier bytes sent which are transmitted further and now modulated pass without hindrance through succeeding subscriber terminals.

REFERENCES:
patent: 3529089 (1970-09-01), Davis
patent: 3597549 (1971-08-01), Farmer
patent: 3603739 (1971-09-01), Edson
patent: 3633164 (1972-01-01), Hynes
patent: 3633166 (1972-01-01), Picard
patent: 3742148 (1973-06-01), Ledeen
patent: 3751595 (1973-08-01), Moses

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