H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/25
H04Q 11/04 (2006.01)
Patent
CA 1260588
- 29 - METHOD AND APPARATUS FOR ESTABLISHING A WIDEBAND COMMUNICATION FACILITY THROUGH A COMMUNICATIONS NETWORK HAVING NARROW BANDWIDTH CHANNELS Abstract A wideband communication facility is established via a switched network between calling and called terminals. The wideband facility comprises a number of segments, each segment including a plurality of narrowband time division multiplex channels having a total bandwidth at least equal to the bandwidth of the wideband facility. A switching system of the network interconnects the wideband facility segments and assembles all the data received in a given time frame from one segment into the single time frame for transmission to another facility segment. Additional buffer memories are added to the initial and final stages of a time-space-time switching network to insure that all the data received in one time frame from a given facility segment is assembled only into the same time frame for transmission on an outgoing facility segment.
525452
Bowers Thomas E.
Frey Alan E.
Kerr Howard A.
Russell Larry A.
Stone Roger E.
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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