Smoke detection using two different wavelengths of light and additional detection for measurement correction
US10041877B2 · kind B2 · utility
3Cited by
74References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 5, 2016 |
| Grant date | Aug 7, 2018 |
| Priority date | — |
| Expiry date | Oct 5, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B29/185
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In accordance with certain embodiments, a smoke detector determines the presence of smoke particles outside its housing based on measurements of light detected at different wavelengths and corrected based on an ambient light level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.