Start-stop synchronous data transmission system with a reduced r

Details Start-stop synchronous data transmission system with a reduced r Start-stop synchronous data transmission system with a reduced r

1985-02-11

1987-01-06

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 99, H04L 524, H04J 300

Patent

active

046352481

ABSTRACT:
Data signals in each channel over a plurality of sequential frames of a time division multiplex signal as received are temporarily stored in each channel memory, and are read out together from the channel memory at a given time to form a combined data signal. A start bit signal, a stop bit signal and an address signal corresponding to the channel are added to the combined data signal to form a start-stop synchronous fresh channel signal. The resultant N fresh channels are sequentially sent out to a common transmission line as a fresh time division multiplex signal with a reduced redundancy. A plurality of sub-equipments are connected to the common transmission line and take into the data signals of a channel assigned thereto according to the address data signal.

REFERENCES:
patent: 3982077 (1976-09-01), Clark et al.
patent: 4016367 (1977-04-01), Law et al.
patent: 4479213 (1984-10-01), Galand et al.
patent: 4530088 (1985-07-01), Hamstra et al.

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