Digital conference circuit

Details Digital conference circuit Digital conference circuit

1985-05-23

1988-01-12

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04J 302

Patent

active

047196181

ABSTRACT:
A digital conference circuit for multiplexed voice signals. Each slot for each of the users is further sub-divided into sub-slots for all the users. A selection circuit indicates which originating users are to be connected with which receiving users within a conference. No message is retransmitted to the originator. The received message in a slot is gated according to the selection signal into an adder, also receiving the output of a shift register holding the signals for all sub-slots in one slot. The added signal is shifted into the shift register. Once all the corresponding sub-slots have been added, the output of the shift register is transmitted to the users.

REFERENCES:
patent: 4224688 (1980-09-01), Ciancibello et al.
patent: 4280216 (1981-07-01), Zeitrag

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