Fire alarm algorithm using smoke and gas sensors
US7142105B2 · kind B2 · utility
50Cited by
16References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 10, 2005 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Feb 10, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B29/24
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An apparatus for and method of detecting fires comprising detecting (with one or more detectors) levels of carbon monoxide, carbon dioxide, and smoke in an ambient environment, computing (using a processor) over time rates of increase of each of the levels, and generating an alarm if one or more of the rates of increase exceed predetermined threshold rates of increase.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.