H - Electricity – 04 – J
Patent
H - Electricity
04
J
354/138, 363/2
H04J 4/00 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 1081379
A TELEPHONE TRANSMISSION SYSTEM Abstract of the Disclosure The invention relates to telephone transmission systems in which frequency multiplexing is carried out by digital processes. It consists in substituting to a computation step of an analytical signal a computation step of a much simpler complex signal. The ultimate signal obtained is not compatible with standard multiplexing apparatus, but may nevertheless be transmitted along ordinary channels.
262529
Picquendar Jean E.
Sokoloff Boris
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