H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/25
H04Q 11/04 (2006.01)
Patent
CA 1237801
DIGITAL EXCHANGE SYSTEM ABSTRACT OF THE DISCLOSURE A digital exchange system including exchange terminals, a digital network, and a bit rate conversion unit located therebetween. The bit rate conversion unit operates to match low bit-rate channel signals with high bit-rate channel signals acceptable by the digital network, by multiplexing a plurality of the outgoing low bit-rate channel signals. The bit-rate conversion unit operates, on the other hand, to demultiplex the incoming multiplexed low bit-rate channel signals.
470689
Hatano Takashi
Kawato Yutaka
Nara Takashi
Okada Sumie
Fujitsu Limited
Mcfadden Fincham
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