Conference circuit

Details Conference circuit Conference circuit

1986-06-26

1988-06-07

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

H04J 308

Patent

active

047501669

ABSTRACT:
A conferencing module, for conferencing two PCM words uses threshold detectors (7, 8) to assess whether the word represent signals above a preset threshold, plus a comparator (1) to determine the larger signal. One or other is switched by an electronic switch (5) to the output by control logic (4) as follows:

REFERENCES:
patent: 4274155 (1981-06-01), Funderburk et al.
patent: 4535445 (1985-08-01), Lane et al.
patent: 4644530 (1987-02-01), Phiet

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