JPWO2023073914A1 - - Google Patents
Info
- Publication number
- JPWO2023073914A1 JPWO2023073914A1 JP2023556021A JP2023556021A JPWO2023073914A1 JP WO2023073914 A1 JPWO2023073914 A1 JP WO2023073914A1 JP 2023556021 A JP2023556021 A JP 2023556021A JP 2023556021 A JP2023556021 A JP 2023556021A JP WO2023073914 A1 JPWO2023073914 A1 JP WO2023073914A1
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/27—Arrangements for networking
- H04B10/272—Star-type networks or tree-type networks
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Optical Transform (AREA)
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 true JPWO2023073914A1 (https=) | 2023-05-04 |
| JPWO2023073914A5 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2141832A1 (en) * | 2008-07-03 | 2010-01-06 | Nokia Siemens Networks OY | Automatic topology discovery for passive optical networks |
| CN103222206A (zh) * | 2012-10-31 | 2013-07-24 | 华为技术有限公司 | 分支光纤的故障检测方法、装置及系统 |
| JP2015083936A (ja) * | 2013-10-25 | 2015-04-30 | 東日本電信電話株式会社 | 光ファイバ伝送路モニタ装置及び光ファイバ伝送路モニタシステム |
| WO2021070222A1 (ja) * | 2019-10-07 | 2021-04-15 | 日本電気株式会社 | 光ファイバセンシングシステム、光ファイバセンシング方法、及び光ファイバセンシング装置 |
| WO2021182507A1 (ja) * | 2020-03-13 | 2021-09-16 | 日本電気株式会社 | メンテナンスハッチの除去を特定するためのシステム及び使用方法 |
-
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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2141832A1 (en) * | 2008-07-03 | 2010-01-06 | Nokia Siemens Networks OY | Automatic topology discovery for passive optical networks |
| CN103222206A (zh) * | 2012-10-31 | 2013-07-24 | 华为技术有限公司 | 分支光纤的故障检测方法、装置及系统 |
| JP2015083936A (ja) * | 2013-10-25 | 2015-04-30 | 東日本電信電話株式会社 | 光ファイバ伝送路モニタ装置及び光ファイバ伝送路モニタシステム |
| WO2021070222A1 (ja) * | 2019-10-07 | 2021-04-15 | 日本電気株式会社 | 光ファイバセンシングシステム、光ファイバセンシング方法、及び光ファイバセンシング装置 |
| WO2021182507A1 (ja) * | 2020-03-13 | 2021-09-16 | 日本電気株式会社 | メンテナンスハッチの除去を特定するためのシステム及び使用方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240405866A1 (en) | 2024-12-05 |
| JP7718501B2 (ja) | 2025-08-05 |
| WO2023073914A1 (ja) | 2023-05-04 |
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