Optical gas detector
US9134226B2 · kind B2 · utility
1Cited by
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6Claims
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Key dates
| Filing date | Dec 19, 2014 |
| Grant date | Sep 15, 2015 |
| Priority date | — |
| Expiry date | Dec 19, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2201/066
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A gas detector including a planar mirror; a concave spherical mirror facing the planar mirror, having an optical axis orthogonal to the planar mirror, the distance between the planar and spherical being equal to 0.75 times the radius of curvature of the spherical mirror, to within 10%; a radiation emitter/receiver arranged at the point of intersection of the spherical mirror and of the optical axis; and a radiation receiver/emitter arranged at the point of intersection of the planar mirror and of the optical axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.