H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 11/04 (2006.01) H04K 1/00 (2006.01)
Patent
CA 2055499
11 Abstract The invention converns an information transmission system with a first user network in which pulse code modulation is used, with transition points connecting the networks. According to the in- vention, there are also signal preparation and data format adaptation devices in the terminals and in the transition point there is a source network recognition device by which a source network identification symbol is added to the call number from the other user network.
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
Obermeier Siegfried
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