CA2552578A1 - Procede et appareil de controle en service d'un systeme de transmission optique sous-marin regional au moyen d'un cotdr - Google Patents
Procede et appareil de controle en service d'un systeme de transmission optique sous-marin regional au moyen d'un cotdr Download PDFInfo
- Publication number
- CA2552578A1 CA2552578A1 CA002552578A CA2552578A CA2552578A1 CA 2552578 A1 CA2552578 A1 CA 2552578A1 CA 002552578 A CA002552578 A CA 002552578A CA 2552578 A CA2552578 A CA 2552578A CA 2552578 A1 CA2552578 A1 CA 2552578A1
- Authority
- CA
- Canada
- Prior art keywords
- optical
- cotdr
- probe signal
- signal
- path
- 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.)
- Abandoned
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]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53513504P | 2004-01-07 | 2004-01-07 | |
US60/535,135 | 2004-01-07 | ||
PCT/US2005/000448 WO2005074660A2 (fr) | 2004-01-07 | 2005-01-07 | Procede et appareil de controle en service d'un systeme de transmission optique sous-marin regional au moyen d'un cotdr |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2552578A1 true CA2552578A1 (fr) | 2005-08-18 |
Family
ID=34837345
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002552578A Abandoned CA2552578A1 (fr) | 2004-01-07 | 2005-01-07 | Procede et appareil de controle en service d'un systeme de transmission optique sous-marin regional au moyen d'un cotdr |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1709757A2 (fr) |
JP (1) | JP2007518365A (fr) |
CA (1) | CA2552578A1 (fr) |
WO (1) | WO2005074660A2 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0803774D0 (en) * | 2008-02-29 | 2008-04-09 | Roke Manor Research | Modulation scheme |
US11483068B2 (en) | 2018-11-16 | 2022-10-25 | Nec Corporation | Optical transmission line monitoring apparatus, optical transmission line monitoring system, and optical transmission line monitoring method |
JP7039111B2 (ja) * | 2019-03-06 | 2022-03-22 | エイチエムエヌ・テクノロジーズ・カンパニー・リミテッド | 海底ネットワーク設備及び海底ケーブルシステム |
US11920962B2 (en) | 2019-04-05 | 2024-03-05 | Nec Corporation | Surveying system and surveying method |
CN112019264A (zh) * | 2019-05-31 | 2020-12-01 | 烽火通信科技股份有限公司 | 一种海底光缆线路故障检测系统及方法 |
CN110492927B (zh) * | 2019-09-27 | 2024-02-20 | 中国电子科技集团公司第三十四研究所 | 一种基于岸基探测的有中继海底光缆扰动监测系统 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0772264B1 (fr) * | 1995-10-30 | 2003-05-07 | Nec Corporation | Méthode pour prévenir les surintensités optiques et système pour l'utilisation dans un circuit à fibres dopées par une terre rare |
-
2005
- 2005-01-07 EP EP05705213A patent/EP1709757A2/fr not_active Withdrawn
- 2005-01-07 JP JP2006549419A patent/JP2007518365A/ja active Pending
- 2005-01-07 WO PCT/US2005/000448 patent/WO2005074660A2/fr not_active Application Discontinuation
- 2005-01-07 CA CA002552578A patent/CA2552578A1/fr not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2007518365A (ja) | 2007-07-05 |
WO2005074660A2 (fr) | 2005-08-18 |
EP1709757A2 (fr) | 2006-10-11 |
WO2005074660A3 (fr) | 2006-08-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FZDE | Dead |