Switching and transmission technique using a method and arrangem

Details Switching and transmission technique using a method and arrangem Switching and transmission technique using a method and arrangem

1975-09-18

1977-02-08

Stewart, David L.

179 15AT, 179 18FC, H04M 356

Patent

active

040073386

ABSTRACT:
Most PCM systems provide non-blocking switching, with a channel per each terminal equipment being provided. In other words, they are dedicated channel arrangements. The present invention relates to PCM system using a method and arrangement which is a condensation of the required channels provided to time division switching by distribution of the channels instead of the usual dedicated channel method. In this system, a channel memory is created and provided to provide for control of which terminal equipments are allotted which channels (on a per call basis).

REFERENCES:
patent: 3171896 (1965-03-01), Bartlett
patent: 3492435 (1970-01-01), Inose
patent: 3504123 (1970-03-01), Fischer
patent: 3508007 (1970-04-01), Goodall
patent: 3517135 (1970-06-01), Fisch
patent: 3699264 (1972-10-01), Pitroda
patent: 3748394 (1973-07-01), Thomas
patent: 3883697 (1975-05-01), Brown

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