Sub-signal transmitting system

Details Sub-signal transmitting system Sub-signal transmitting system

1982-03-12

1984-03-06

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 76, 370 94, H04J 114

Patent

active

044358040

ABSTRACT:
A data transmitting system where transmission in packet form takes place between several stations includes an encoder converting signals into a transmission waveform where the low frequency components are significantly attenuated. A sub-signal, notably a voice signal from a telephone set is multiplied on the low frequency region and also transmitted between the stations.

REFERENCES:
patent: 3701851 (1972-10-01), Starrett
patent: 3718767 (1973-02-01), Ellis
patent: 4332027 (1982-05-01), Malcolm et al.

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