Speech path switching system in time-divisional electronic telep

Details Speech path switching system in time-divisional electronic telep Speech path switching system in time-divisional electronic telep

1980-08-12

1983-07-05

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 68, H04Q 1104

Patent

active

043922244

ABSTRACT:
A speech path switching system in time-divisional electronic telephone switching system for the full availably switching between k number of incoming highways and k number of outgoing highways and each highway having n number of telephone channels comprises (a) k number of speech path memories for temporarily storing telephone signals, provided for each incoming highway, (b) k number of input counters provided for each speech path memory for designating the input address of said speech path memory, said input counter being circularly incremented synchronized with the frame phase of the corresponding incoming highway, (c) k number of holding memories provided for each outgoing highway for designating the read out address of said speech path memory to substantially connect an incoming channel to an outgoing channel, and (d) k number of output counters provided for each holding memory for designating the read out address of the holding memory.

REFERENCES:
patent: 3678205 (1972-07-01), Cohen et al.
patent: 3881064 (1975-04-01), Schlichte
patent: 4093827 (1978-06-01), Charransol et al.
"Studies on Data Switch Accommodating Various Data Speeds", SE76-46, The Institute of Electronics and Communication Engineers of Japan, Sep. 1976, pp. 1-9.

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