H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/14
H04J 3/00 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 1091831
TELECOMMUNICATION SYSTEM Abstract of the Disclosure A digital TDM/PCM telephone system is described which uses a simple module which is capable of functioning as a multiplexer or as a concentrator and is locatable at the telephone exchange, at a distribution point or at a subscriber terminal.
271496
Smart & Biggar
Stc Plc
LandOfFree
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