Telegraphy – Systems – Simplex-reversing periodic
Patent
1973-08-27
1976-01-13
Safourek, Benedict V.
Telegraphy
Systems
Simplex-reversing periodic
178DIG23, 179 15BY, H04N 708
Patent
active
039326985
ABSTRACT:
A multiplex signal transmission system in which a plurality of information signals, having respectively arbitrary time durations and being arranged in time-serial form, are sequentially divided into a plurality of signal portions by a predetermined time period, said signal portions being successively allocated in time-parallel form to a plurality of transmission channels, each of which has a time duration of said predetermined time period, and being transmitted repeatedly through respectively allocated channels every said time duration, comprises a channel shift means for shifting sequentially the channel allocation of said signal portions at predetermined time periods, and a signal transmitting means for transmitting in time-parallel form said signal portions derived from said channel shift means repeatedly through every preceding channels. Consequently, the transmission line can be efficiently utilized in such a way that, at the sending end, a plurality of information signals having respectively arbitrary time durations are folded into a plurality of transmission channels having given time periods, and besides that, at the receiving end, once a portion of any desired information signal is caught in a corresponding channel, successive signal portions can be derived sequentially from the same channel every said given time periods. Hence, a channel selecting means of a receiver in this system can be simplified.
REFERENCES:
patent: 3740478 (1973-06-01), Breant et al.
patent: 3742145 (1973-06-01), Clark et al.
Fukuda Masaaki
Kayano Tatsuo
Masuda Michio
Nabeyama Hiroaki
Sawabe Eiichi
Hitachi , Ltd.
Hitachi Electronics Ltd.
Nippon Hoso Kyokai
Saffian Mitchell
Safourek Benedict V.
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