JPWO2023073914A5 - - Google Patents
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- JPWO2023073914A5 JPWO2023073914A5 JP2023556021A JP2023556021A JPWO2023073914A5 JP WO2023073914 A5 JPWO2023073914 A5 JP WO2023073914A5 JP 2023556021 A JP2023556021 A JP 2023556021A JP 2023556021 A JP2023556021 A JP 2023556021A JP WO2023073914 A5 JPWO2023073914 A5 JP WO2023073914A5
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- optical
- sensing
- backscattered light
- status information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2021/040005 WO2023073914A1 (ja) | 2021-10-29 | 2021-10-29 | 光ファイバセンシングシステム、光ファイバセンシング機器、及び光ファイバセンシング方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2023073914A1 JPWO2023073914A1 (https=) | 2023-05-04 |
| JPWO2023073914A5 true JPWO2023073914A5 (https=) | 2024-07-09 |
| JP7718501B2 JP7718501B2 (ja) | 2025-08-05 |
Family
ID=86157620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023556021A Active JP7718501B2 (ja) | 2021-10-29 | 2021-10-29 | 光ファイバセンシングシステム、光ファイバセンシング機器、及び光ファイバセンシング方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20240405866A1 (https=) |
| JP (1) | JP7718501B2 (https=) |
| WO (1) | WO2023073914A1 (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116599581B (zh) * | 2023-05-19 | 2024-01-05 | 煤炭科学技术研究院有限公司 | 光纤传感网络的可靠性评估方法、装置、设备及介质 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2141832B1 (en) * | 2008-07-03 | 2013-09-18 | Nokia Siemens Networks OY | Automatic topology discovery for passive optical networks |
| WO2014067094A1 (zh) * | 2012-10-31 | 2014-05-08 | 华为技术有限公司 | 分支光纤的故障检测方法、装置及系统 |
| JP6196124B2 (ja) * | 2013-10-25 | 2017-09-13 | 東日本電信電話株式会社 | 光ファイバ伝送路モニタシステム |
| US12117336B2 (en) * | 2019-10-07 | 2024-10-15 | Nec Corporation | Optical fiber sensing system, optical fiber sensing method, and optical fiber sensing apparatus |
| US11519758B2 (en) * | 2020-03-13 | 2022-12-06 | Nec Corporation | System for identifying removal of maintenance hatch and method of using |
-
2021
- 2021-10-29 WO PCT/JP2021/040005 patent/WO2023073914A1/ja not_active Ceased
- 2021-10-29 JP JP2023556021A patent/JP7718501B2/ja active Active
- 2021-10-29 US US18/699,635 patent/US20240405866A1/en active Pending
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