Optical fiber route search method, optical fiber route search device and program
US11750283B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2020 |
| Grant date | Sep 5, 2023 |
| Priority date | — |
| Expiry date | Mar 30, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/27
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An object is to provide an optical fiber route search method, an optical fiber route search device, and a program that can efficiently confirm a path of an optical fiber that is installed over a long distance or across a large range. The optical fiber route search method according to the present invention carries out optical measurement that performs distributed measurement of the state of an optical fiber while applying a disturbance to the optical fiber in a portion in which wires of the optical fiber are parallel to each other, branch out, or intersect with each other (a proximity portion), and determines that the position in which the number of singularities (peaks or intensity fluctuations) fluctuates (becomes plural) is the position of the proximity portion from a distribution diagram obtained through the optical measurement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.