H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
379/112, 344/51
H04Q 3/42 (2006.01) H04Q 3/68 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 1078050
Abstract of the Disclosure A multi-stage switching network in a telecommunication switching system includes a virtual link frame having fixedly closed virtual switches which is inserted according to the switching system size required by the application range of telephone traffic into a specified intermediate stage of the multi-stage switching network to permit the switching network to permit the switching network of upper size to be degenerated to a switching network with smaller numbers of stages by degeneratively inducing a partial path structure from the path structure of the upper sized switching network having a great traffic capacity. The switching network with smaller numbers of stages can be incremented to a switching network of upper size according to the switching system size. In either case, the multi-stage switching network can be controlled by the same control circuit and the same control program.
265742
Gotoh Kazuhiko
Katayama Tsuyoshi
Kawashima Hiroshi
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