Devices and methods for measuring the amount of frequency modulation
US12399079B2 · kind B2 · utility
0Cited by
14References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 2, 2020 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Apr 21, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01M11/3172
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The present disclosure relates to a frequency modulation amount measuring device that measures an optical spectral shift of scattered light at a position in an optical transmission line, and calculates a frequency modulation amount at the position, using the measured optical spectral shift.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.