Linear time division multiplexed conferencer

Details Linear time division multiplexed conferencer Linear time division multiplexed conferencer

1982-06-24

1984-10-16

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

179 18BC, H04M 356

Patent

active

044778970

ABSTRACT:
There is disclosed a linear time division multiplexed time slot conferencer in which a summation of incoming message samples respective to a group of time slots are stored in a summation memory during a first frame and extended to an output during a next or second frame. The conferencer processes 256 time slots and refreshes the summation memory each frame by recognizing a first access to the memory with respect to a group of time slots and directly loads a new incoming message sample over the priorly stored summation for that group.

REFERENCES:
patent: 4119807 (1978-10-01), Nahay
patent: 4190742 (1980-02-01), Southard
patent: 4190744 (1980-02-01), Frank
patent: 4295008 (1981-10-01), Johnson et al.
patent: 4298977 (1981-11-01), Abbott et al.
patent: 4307462 (1981-12-01), Mazzocchi

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