H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
344/25
H04Q 11/04 (2006.01)
Patent
CA 1112344
ABSTRACT A digital switching device of the stored programme type operating under the control of a central control unit has a first stage which multiplexes digital signals from a plurality of line units and separates data signals from signalling information. The data signals are fed to an input time switching stage. The input time switching stage operates under the control of the central control unit to transmit signals from an input port in a particular time slot on a highway to an output time switching stage. The output time switching stage transmits the data signals to the first stage which combines them with signalling information and after demultiplexing transmits them to appropriate ports.
315651
Allwood Anthony R.
Barrett Robert E.
Hardy John H.m.
Hovell John
Lowrie Ian W.
Post Office
Ridout & Maybee Llp
LandOfFree
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