Method and apparatus for augmenting listening capacity of a sign

Details Method and apparatus for augmenting listening capacity of a sign Method and apparatus for augmenting listening capacity of a sign

1994-03-07

1996-02-13

Hsu, Alpus

Multiplex communications

Wide area network

Packet switching

370 62, 370 681, 3701101, 379202, 455 531, H04M 356, H04Q 1104

Patent

active

054916895

ABSTRACT:
Listening capacity of a signal destination is augmented through the provision of a master switching center (207) and a slave switching center (209) linked via a dedicated communication port (203). Under direction of the master switching center (207), the slave switching center (209) sums communication system data signals received from shared communication ports (201) and presents the resulting summed communication data to the dedicated communication port (203). The master switching center (207) presents the summed communication data, received via the dedicated communication port (203), to the signal destination, thus augmenting listening capacity of the signal destination.

REFERENCES:
patent: 4716585 (1987-12-01), Tompkins et al.
patent: 4901308 (1990-02-01), Deschaine
patent: 5070499 (1991-12-01), Maher et al.
patent: 5175727 (1992-12-01), Maher et al.
patent: 5204862 (1993-04-01), Maher et al.
patent: 5229989 (1993-07-01), Maher et al.

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