H - Electricity – 04 – B
Patent
H - Electricity
04
B
349/29
H04B 11/00 (2006.01) G08B 1/00 (2006.01) G08B 1/08 (2006.01) H04B 7/14 (2006.01)
Patent
CA 1116284
ABSTRACT OF THE DISCLOSURE The Apparatus and System for Wireless Reception and Transmission of Coded Audio and/or Sonic Alarm Signal mobilizes people, by sounding an audible alarm, without the need for interconnection wiring through the system. The advancement in this art is accomplished by several factors: 1) By the use of coded audio signals, 2) The absence of radio waves, thus the absence for licensing, 3) A combination of audio alarm signals within hearing range, with coded transmission and reception of other related data, in a broader sonic range, for further processing, 4) The absence of extensive labour for wiring. The invention finds a utility is a broad range of alarm detecting, transmitting and receiving equipment and systems, such as fire, smoke, gas holdup burglary, telementery and control apparatus. As an illustration, one of the many applications of the said Apparatus and System, is described in conjunction with a conventional smoke detector. With the existing technology when a smoke detector is triggered by fire, all others are triggered via interconnecting wire, as well as the alarm monitoring and control unit, as a system. This invention accomplishes both the detection and the transmission of the alarm without wiring. When any one of the smoke detectors is triggered, it will sound an audible alarm and simultaneously transmit a coded signal to all other detectors in the system and to the central control and monitoring unit, to sound a general alarm within the whole system.
337355
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