Smoke detection using two different wavelengths of light and additional detection for measurement correction
US10712263B2 · kind B2 · utility
1Cited by
74References
29Claims
0Family size
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Key dates
| Filing date | Jul 6, 2018 |
| Grant date | Jul 14, 2020 |
| Priority date | — |
| Expiry date | Jul 6, 2038 |
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.