Audio distribution system

Details Audio distribution system Audio distribution system

1994-06-03

1997-09-09

Isen, Forester W.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Multiple channel

379159, 379171, 37910202, H04B 300

Patent

active

056664281

ABSTRACT:
A signal distribution and communication arrangement includes an electronic processor-based master control unit which controls the broadcast of different types of signals through speakers located in various zones. The system includes a telephone interfaced with a door speaker controller to allow communication between the telephone and a door speaker. A page may be broadcast over the speakers and subsequently muted to allow private communication when the page is answered. Also included is a doorbell interface circuit that responds to a doorbell source. The doorbell source may be activated by any one of a plurality of doorbell switches.

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