Low-power alarm detector
US9772671B1 · kind B1 · utility
6Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 7, 2016 |
| Grant date | Sep 26, 2017 |
| Priority date | — |
| Expiry date | Jul 7, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B25/008
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An alarm detector for use in an alarm detection system is provided. The alarm detector includes: a microphone, a processor, and a sensing circuit. The microphone is for detecting an incoming acoustic signal. The sensing circuit is for determining whether the incoming acoustic signal comprises a specific audible alarm, and awakening the processor into a working mode from a sleep mode upon determining the incoming acoustic signal comprises a specific audible alarm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.