Distributed optical fibre sensor
US10281300B2 · kind B2 · utility
1Cited by
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49Claims
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Assignee
Inventor
Key dates
| Filing date | Apr 26, 2016 |
| Grant date | May 7, 2019 |
| Priority date | — |
| Expiry date | Apr 26, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M11/3118
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The disclosure relates to distributed optical fiber sensors arranged to detect coherent Rayleigh backscatter from a sensing optical fiber disposed in an environment, and to determine an infrasonic signal in the backscatter, or to determine a change in the environment within an infrasonic frequency range from the backscatter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.