Apparatus for flame discrimination utilizing long wavelength pass filters and related method
US8227756B2 · kind B2 · utility
1Cited by
22References
15Claims
0Family size
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Key dates
| Filing date | Jun 24, 2009 |
| Grant date | Jul 24, 2012 |
| Priority date | — |
| Expiry date | May 7, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01J5/602
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A flame detection apparatus is provided that provides low cost fire detection with improved false alarm discrimination and that includes at least two optical sensors, each configured with a Long Wave Pass IR filter with distinct minimum responsive wavelengths and arrayed to broadly sample the MWIR band.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.