H - Electricity – 04 – J
Patent
H - Electricity
04
J
363/17
H04J 3/06 (2006.01) H04J 3/16 (2006.01) H04L 5/22 (2006.01)
Patent
CA 1207925
ABSTRACT OF DISCLOSURE A process for time-sequenced multiplexing of telephone data, PCM coded, on a transmission medium, and more specifically a process for multiplexing three 10-channel systems to form a standard 30-channel system, wherein : - frames and multiframes are identical in structure for all 10-channel systems; - each 10-channel frame contains 11 time intervals of the same length, the first of which contains auxiliary data, for synchronization, channel signalling, etc., and the last ten carrying information to be trans- mitted, coded by the pulse modulation and coding technique; - each multiframe comprises the same number of frames as the 30-channel system; signalling and synchronization data is distributed among the first time intervals in the different frames, such distribution ensuring reliable synchronization and minimum delay, during the change from 10 to 30 channels and vice versa.
412842
Cau Egidio
Lamiral Jean P.
Goudreau Gage Dubuc
Lignes Telegraphiques Et Telephoniques
LandOfFree
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