Acoustic ambient temperature and humidity sensing
US9933319B2 · kind B2 · utility
18Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 13, 2015 |
| Grant date | Apr 3, 2018 |
| Priority date | — |
| Expiry date | May 19, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/02881
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Acoustic ambient temperature and humidity sensing based on determination of sound velocity is described, in addition to sensors, algorithms, devices, systems, and methods therefor. An exemplary embodiment employs sound velocity in the determination of ambient temperature and humidity. Provided implementations include determinations of sound velocity based on time of flight of a coded acoustic signal and/or based on resonance frequency of a Helmholtz resonator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.