FR2610463B1 - Circuit de commutation d'alimentation pour cable sous-marin - Google Patents
Circuit de commutation d'alimentation pour cable sous-marinInfo
- Publication number
- FR2610463B1 FR2610463B1 FR8801201A FR8801201A FR2610463B1 FR 2610463 B1 FR2610463 B1 FR 2610463B1 FR 8801201 A FR8801201 A FR 8801201A FR 8801201 A FR8801201 A FR 8801201A FR 2610463 B1 FR2610463 B1 FR 2610463B1
- Authority
- FR
- France
- Prior art keywords
- switching circuit
- supply switching
- subsea cable
- subsea
- cable
- 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.)
- Expired - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/44—Arrangements for feeding power to a repeater along the transmission line
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2045887A JPH0734550B2 (ja) | 1987-02-02 | 1987-02-02 | 給電路切替回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2610463A1 FR2610463A1 (fr) | 1988-08-05 |
FR2610463B1 true FR2610463B1 (fr) | 1990-12-07 |
Family
ID=12027633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8801201A Expired - Lifetime FR2610463B1 (fr) | 1987-02-02 | 1988-02-02 | Circuit de commutation d'alimentation pour cable sous-marin |
Country Status (5)
Country | Link |
---|---|
US (1) | US4798969A (fr) |
JP (1) | JPH0734550B2 (fr) |
CA (1) | CA1333186C (fr) |
FR (1) | FR2610463B1 (fr) |
GB (1) | GB2202110B (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2248373B (en) * | 1990-07-10 | 1995-04-12 | Fujitsu Ltd | Power feed line switching circuit for submarine branching device and method of feeding power to submarine cable communication system |
GB2280341B (en) * | 1990-07-10 | 1995-04-12 | Fujitsu Ltd | Power feed line switching circuit for submarine branching device and method of feeding power to submarine cable communication system |
JPH07118669B2 (ja) * | 1990-07-10 | 1995-12-18 | 富士通株式会社 | 海中分岐装置の給電路切替回路および海底ケーブル通信システムの給電方法 |
CA2059493C (fr) * | 1991-01-17 | 1996-11-12 | Yoshiyuki Inoue | Systeme et methode d'alimentation electrique pour systeme de communication par cable sous-marin |
GB2252686A (en) * | 1991-02-08 | 1992-08-12 | Stc Plc | Power feed branching unit for submarine telecommunications systems |
JP3064724B2 (ja) * | 1993-02-10 | 2000-07-12 | 富士通株式会社 | 海底ケーブル通信システムの海中機器および障害点標定方法 |
GB2275834B (en) * | 1993-03-03 | 1997-04-02 | Northern Telecom Ltd | Branching unit for submarine telecommunications systems |
JP3387614B2 (ja) * | 1994-03-17 | 2003-03-17 | 富士通株式会社 | 海中分岐装置の給電切替え回路 |
JP3341245B2 (ja) * | 1995-12-21 | 2002-11-05 | ケイディーディーアイ株式会社 | 給電路切替回路 |
JP3341246B2 (ja) * | 1996-02-20 | 2002-11-05 | ケイディーディーアイ株式会社 | 給電路切替回路 |
GB9828836D0 (en) * | 1998-12-30 | 1999-02-17 | Cit Alcatel | A powerfeed for a submarine communications systems |
US6600643B2 (en) | 2000-12-27 | 2003-07-29 | Pirelli Cavi E Sistemi S.P.A. | Submarine cable branching unit with double-coil relays |
JP3759704B2 (ja) | 2001-07-18 | 2006-03-29 | 三菱電機株式会社 | 給電路切替回路および海中分岐装置 |
GB0121811D0 (en) * | 2001-09-10 | 2001-10-31 | Cit Alcatel | Branching unit for an optical transmission system |
US7067940B2 (en) * | 2001-12-19 | 2006-06-27 | Pirelli Cavi E Sistemi S.P.A. | Submarine branching unit having asymmetrical architecture |
WO2006094225A2 (fr) * | 2005-03-03 | 2006-09-08 | Red Sky Subsea Limited | Procede et appareil destines a localiser les defauts a l'aide d'electrodes dans un systeme sous-marin de transmission optique utilisant des repeteurs de petites dimensions |
WO2013002391A1 (fr) * | 2011-06-30 | 2013-01-03 | 日本電気株式会社 | Appareil de commutation d'un circuit d'alimentation, appareil de branchement optique sous-marin, système de câble sous-marin et procédé de commutation d'un circuit d'alimentation |
US10110321B2 (en) | 2017-03-16 | 2018-10-23 | Tyco Electronics Subsea Communications Llc | Techniques for providing adaptive power distribution using a multi-node network of power feed branching units (PFBUs) and an undersea optical communication system using same |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3174117A (en) * | 1961-05-04 | 1965-03-16 | Bell Telephone Labor Inc | Transmission system branching circuit |
US3644787A (en) * | 1970-12-14 | 1972-02-22 | Bell Telephone Labor Inc | Undersea wye connection for a submarine cable system |
BE792883A (fr) * | 1971-12-15 | 1973-03-30 | Post Office | Dispositif d'alimentation de courant pour systemes de communication |
US3860769A (en) * | 1972-11-01 | 1975-01-14 | Gte Lenkurt Inc | Method and apparatus for testing the operation of a communication system |
JPS56143735A (en) * | 1980-04-10 | 1981-11-09 | Nec Corp | Feeding circuit of submarine cable system |
JPS5746634A (en) * | 1980-09-04 | 1982-03-17 | Tokyo Electric Power Co | Controlling device for dc multiterminal transmission system |
JPS5799042A (en) * | 1980-12-11 | 1982-06-19 | Nec Corp | Submarine relay system |
FR2503500A1 (fr) * | 1981-04-03 | 1982-10-08 | Cit Alcatel | Dispositif de secours de terminal d'abonne |
JPS5836033A (ja) * | 1981-08-26 | 1983-03-02 | Nec Corp | 多局間海底ケ−ブル通信方式 |
CA1193351A (fr) * | 1983-06-14 | 1985-09-10 | Gerald Roberge | Methode et systeme d'interconnexion de reseaux triphases syncrones au asynchrones au moyen d'impedances reactives variables |
GB2147178B (en) * | 1983-09-22 | 1987-02-18 | Stc Plc | Power feeding submarine telecommunications systems |
DE3560974D1 (en) * | 1984-02-14 | 1987-12-17 | Bbc Brown Boveri & Cie | Method for the determination of the instant of the reclosure of a power circuit breaker, and apparatus to carrying out this method |
FR2560726B1 (fr) * | 1984-03-05 | 1986-11-21 | Nal Etu Telecommunication Cent | Dispositif de protection contre des perturbations electriques entre un terminal et une ligne telephonique |
-
1987
- 1987-02-02 JP JP2045887A patent/JPH0734550B2/ja not_active Expired - Fee Related
-
1988
- 1988-01-28 CA CA 557596 patent/CA1333186C/fr not_active Expired - Fee Related
- 1988-02-01 GB GB8802162A patent/GB2202110B/en not_active Expired - Lifetime
- 1988-02-02 FR FR8801201A patent/FR2610463B1/fr not_active Expired - Lifetime
- 1988-02-02 US US07/151,619 patent/US4798969A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB2202110B (en) | 1990-12-05 |
FR2610463A1 (fr) | 1988-08-05 |
JPS63189025A (ja) | 1988-08-04 |
JPH0734550B2 (ja) | 1995-04-12 |
GB2202110A (en) | 1988-09-14 |
US4798969A (en) | 1989-01-17 |
GB8802162D0 (en) | 1988-03-02 |
CA1333186C (fr) | 1994-11-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |
Effective date: 20061031 |