H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 27/00 (2006.01) H04M 1/723 (2006.01) H04M 9/00 (2006.01) H04M 9/08 (2006.01) H04M 11/02 (2006.01) H04R 3/12 (2006.01) H04R 5/04 (2006.01)
Patent
CA 2077894
A signal distribution and communication ar- rangement (100) controls the broadcast of different types of signals through speakers located in various zones (A-D). The arrangement includes an audio re- ceiver circuit (102) 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, re- sponds to a page signal generated from a telephone handset (126), 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 loca- tions (106, 107, 108) by generating a doorbell control signal and activating a corresponding doorbell tone se- quence which identifies the location of the doorbell sig- nal source. Finally, a control circuit, responds to these various circuits by selecting which of the correspond- ing signals should be broadcast by the speakers (L, R).
Farenelli Robert
Rose Shelton
Stevenson Bruce B.
Unseld Bill R.
Fetherstonhaugh & Co.
Square D. Company
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