JPWO2021177309A1 - - Google Patents
Info
- Publication number
- JPWO2021177309A1 JPWO2021177309A1 JP2022504404A JP2022504404A JPWO2021177309A1 JP WO2021177309 A1 JPWO2021177309 A1 JP WO2021177309A1 JP 2022504404 A JP2022504404 A JP 2022504404A JP 2022504404 A JP2022504404 A JP 2022504404A JP WO2021177309 A1 JPWO2021177309 A1 JP WO2021177309A1
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
-
- 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
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
-
- 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
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2587—Arrangements specific to fibre transmission using a single light source for multiple stations
-
- 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
- H04B10/29—Repeaters
-
- 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
- H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020034976 | 2020-03-02 | ||
JP2020034976 | 2020-03-02 | ||
PCT/JP2021/007970 WO2021177309A1 (ja) | 2020-03-02 | 2021-03-02 | モニタ信号光出力装置、海底機器及び光通信システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021177309A1 true JPWO2021177309A1 (ja) | 2021-09-10 |
JP7435729B2 JP7435729B2 (ja) | 2024-02-21 |
Family
ID=77613424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022504404A Active JP7435729B2 (ja) | 2020-03-02 | 2021-03-02 | モニタ信号光出力装置、海底機器及び光通信システム |
Country Status (3)
Country | Link |
---|---|
US (1) | US20230076588A1 (ja) |
JP (1) | JP7435729B2 (ja) |
WO (1) | WO2021177309A1 (ja) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2591146B2 (ja) * | 1989-03-28 | 1997-03-19 | 日本電気株式会社 | 光海低ケーブルシステムの監視方式 |
JPH07120984B2 (ja) * | 1989-04-12 | 1995-12-20 | 日本電気株式会社 | 光海底中継器 |
JP2000278248A (ja) | 1999-03-24 | 2000-10-06 | Fujitsu Ltd | 光通信システムの副信号通信方式、光線形中継装置および光端局装置 |
JP5050646B2 (ja) | 2007-05-17 | 2012-10-17 | 日本電気株式会社 | 光中継器および光伝送システム |
JP2008294818A (ja) | 2007-05-25 | 2008-12-04 | Hitachi Communication Technologies Ltd | 波長多重伝送システムおよび光伝送装置 |
-
2021
- 2021-03-02 US US17/800,964 patent/US20230076588A1/en active Pending
- 2021-03-02 WO PCT/JP2021/007970 patent/WO2021177309A1/ja active Application Filing
- 2021-03-02 JP JP2022504404A patent/JP7435729B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP7435729B2 (ja) | 2024-02-21 |
US20230076588A1 (en) | 2023-03-09 |
WO2021177309A1 (ja) | 2021-09-10 |
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