Circuit arrangement for telecommunications especially telephone

Details Circuit arrangement for telecommunications especially telephone Circuit arrangement for telecommunications especially telephone

1979-04-23

1981-07-28

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 62, H04J 312

Patent

active

042814103

ABSTRACT:
A circuit arrangement for telecommunications, in particular telephone exchange installations that switch through digitally by time division, having a special coupling network for switching audio-signals to terminal units which, besides the connection network provided for the interchange of speech and data information, sets up the connection between terminal units and audio-signal senders and works digitally.

REFERENCES:
patent: 3443033 (1969-05-01), Louis
patent: 3870826 (1975-03-01), Carbrey et al.
patent: 4110562 (1978-08-01), Moed

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