Telecommunication switching system

Details Telecommunication switching system Telecommunication switching system

1976-12-15

1978-03-14

Robinson, Thomas A.

179 18GE, 179 22, H04M 322

Patent

active

040792072

ABSTRACT:
A telecommunication switching system in which a required number of switching arrays or matrixes are combined together and the switching arrays or matrixes are divided into a group having in a predetermined ratio outlets of non-multiple connection and outlets of multiple connection, and into a group having outlets of multiple connection, whereby to obtain a desired concentration ratio without using new exclusive switching arrays or matrixes, or rendering some inlets of the switching arrays or matrixes of no use. In the selection or hunting of outlets of the switching arrays or matrixes, the selection or hunting starts with the outlets of non-multiple connection so long as an idle outlet exists, and thereby improves the traffic characteristics of the switching system.

REFERENCES:
patent: 3308242 (1967-03-01), Erwin
patent: 3389227 (1968-06-01), Catterall et al.
patent: 3390236 (1968-06-01), Lawrence
patent: 3581018 (1971-05-01), Harland et al.

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