In-service monitoring of a fiberoptic network
US9571189B2 · kind B2 · utility
2Cited by
16References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2016 |
| Grant date | Feb 14, 2017 |
| Priority date | — |
| Expiry date | Mar 4, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/548
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An optical fiber breakage point may be located by coupling to the optical fiber an out-of-band optical test signal modulated at a periodic modulation pattern. A distance to the breakage point may be determined from a difference between modulation patterns of transmitted and received test signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.