Electrical audio signal processing systems and devices – One-way audio signal program distribution – Multiple channel
Patent
1991-01-09
1992-07-14
Schreyer, Stafford D.
Electrical audio signal processing systems and devices
One-way audio signal program distribution
Multiple channel
381 85, 379170, H04R 2700
Patent
active
051310481
ABSTRACT:
A signal distribution and communication arrangement controls the broadcast of different types of signals through speakers located in various zones. The arrangement includes an audio receiver circuit which responds to a music signal from an external music source, and an associated threshold detection circuit which provides a music mute function. Further, a page interface circuit, responds to a page signal generated from a telephone handset, which generates a paging control signal and serves as a power source to the telephone handset; and a doorbell interface circuit responds to any of a plurality of doorbell signal sources at differing locations by generating a doorbell control signal and activating a corresponding door bell tone sequence which identifies the location of the doorbell signal source. Finally, a control circuit, responds to these various circuits by selecting which of the corresponding signals should be broadcast by the speakers.
REFERENCES:
patent: 3795769 (1974-03-01), Nowka et al.
patent: 4107464 (1978-08-01), Lynch et al.
patent: 4217573 (1980-08-01), Norris
patent: 4347604 (1982-08-01), Saito et al.
patent: 4481660 (1984-11-01), de Koning et al.
patent: 4695880 (1987-09-01), Johnson et al.
patent: 4835604 (1989-05-01), Kondo et al.
patent: 4862159 (1989-08-01), Marusa et al.
patent: 4885803 (1989-12-01), Hermann et al.
patent: 4901367 (1990-02-01), Nicholson
patent: 4920432 (1990-04-01), Eggers et al.
patent: 5018021 (1991-05-01), Slater
Sonance, San Clemente, CA, Sonamp 260 and Sonamp 260x3, Catalog Sheet, Summer 1990.
Russound, Speaker Switching & Distribution Systems FMP, Inc., Newmarket, NH, SDB-4-120, RD-4, SC-12, Catalog Sheet, Jul. 1, 1990.
Tab Books Inc., Blue Ridge Summit, PA, "101 Sound, Light and Power IC Projects", Charles Shoemaker, pp. 111-115, 1986.
Farenelli Robert
Stevenson Bruce B.
Unseld Bill R.
Crawford Robert J.
Golden Larry I.
Jimenez Jose W.
Schreyer Stafford D.
Square D Company
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