发明名称 |
METHOD AND APPARATUS FOR INDICATING ACTIVATION OF A SMOKE DETECTOR ALARM |
摘要 |
A method for detecting smoke detector alarms comprises analyzing at least tw o parameters of ambient sound over a period of time to detect a temporal patte rn of the alarm. In one embodiment, a series of samples are taken over a period of time sufficiently long to include at least one full period of a repeating sound pattern, and the two parameters are frequency and amplitude of the loudest sound in each sample. The algorithmic analysis may be triggered by a detection algorithm that utilizes a lower amount of power than the algorithm ic analysis. In other embodiments, the detection apparatus is incorporated into a conventional smoke detector (800) that will detect both smoke and an alarm from another detector. In another embodiment, a smoke detector (800) include s a transceiver (880) to transmit an activation signal to neighboring smoke detectors (890) when a fire is detected and to receive an activation signal from neighboring detectors (890).
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申请公布号 |
CA2501140(A1) |
申请公布日期 |
2004.04.15 |
申请号 |
CA20032501140 |
申请日期 |
2003.10.02 |
申请人 |
COMBUSTION SCIENCE & ENGINEERING, INC. |
发明人 |
ROBY, RICHARD J.;KLASSEN, MICHAEL S.;FLINT, KELLY R.;VASHISHAT, DIWAKAR;HOLTON, MACLAIN M.;SCHEMEL, CHRISTOPHER F. |
分类号 |
G08B1/08;G08B3/10;G08B6/00;G08B7/06;G08B17/10;G09B19/00;G09B21/00;(IPC1-7):G08B17/10 |
主分类号 |
G08B1/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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