CN1291833A - 光学系统 - Google Patents
光学系统 Download PDFInfo
- Publication number
- CN1291833A CN1291833A CN00118992A CN00118992A CN1291833A CN 1291833 A CN1291833 A CN 1291833A CN 00118992 A CN00118992 A CN 00118992A CN 00118992 A CN00118992 A CN 00118992A CN 1291833 A CN1291833 A CN 1291833A
- Authority
- CN
- China
- Prior art keywords
- adm
- branch unit
- communication system
- wavelength multiplexing
- channel
- 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.)
- Granted
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/08—Time-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/021—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM]
- H04J14/0212—Reconfigurable arrangements, e.g. reconfigurable optical add/drop multiplexers [ROADM] or tunable optical add/drop multiplexers [TOADM] using optical switches or wavelength selective switches [WSS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0202—Arrangements therefor
- H04J14/0213—Groups of channels or wave bands arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/0201—Add-and-drop multiplexing
- H04J14/0215—Architecture aspects
- H04J14/0219—Modular or upgradable architectures
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9916578.9 | 1999-07-15 | ||
GB9916578A GB2352105B (en) | 1999-07-15 | 1999-07-15 | Optical system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1291833A true CN1291833A (zh) | 2001-04-18 |
CN1236578C CN1236578C (zh) | 2006-01-11 |
Family
ID=10857270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001189921A Expired - Fee Related CN1236578C (zh) | 1999-07-15 | 2000-07-15 | 光学系统 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6519061B1 (zh) |
EP (1) | EP1069719A3 (zh) |
JP (1) | JP4408542B2 (zh) |
CN (1) | CN1236578C (zh) |
AU (1) | AU4862100A (zh) |
GB (1) | GB2352105B (zh) |
HK (1) | HK1032695A1 (zh) |
NO (1) | NO20003611L (zh) |
RU (1) | RU2000118730A (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001285322A (ja) * | 2000-03-28 | 2001-10-12 | Fujitsu Ltd | Lan間通信装置及びこれを用いるlan間通信ネットワーク |
US6731830B2 (en) | 2001-01-05 | 2004-05-04 | Redfern Broadband Networks, Inc. | Asymmetric compatible network element |
US20020135835A1 (en) * | 2001-03-06 | 2002-09-26 | Richard Lauder | Optical traffic grooming |
US6847787B2 (en) * | 2001-09-07 | 2005-01-25 | Redfern Broadband Networks Inc. | WDM network node module |
KR20030028613A (ko) * | 2001-09-20 | 2003-04-10 | 엘지전자 주식회사 | 파장 분할 다중화 네트워크에서 결합/분기 다중화기와파장의 수를 최적화하는 방법 |
KR100689503B1 (ko) * | 2004-12-30 | 2007-03-02 | 삼성전자주식회사 | 파장 분할 다중 방식 수동형 광 가입자망 |
JP2009267786A (ja) | 2008-04-25 | 2009-11-12 | Nec Corp | 通信装置、通信システム、及び通信方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3117018B2 (ja) * | 1990-10-29 | 2000-12-11 | 株式会社日立製作所 | ネットワーク装置 |
IT1257543B (it) * | 1992-05-26 | 1996-01-30 | Cselt Centro Studi Lab Telecom | Sistema di demultiplazione ottica. |
FR2715015B1 (fr) * | 1994-01-07 | 1996-02-02 | Auffret Rene | Procédé et dispositif de transmission et d'aiguillage de paquets dans un réseau optique. |
US5475679A (en) * | 1994-12-08 | 1995-12-12 | Northern Telecom Limited | Large capacity ATM switch |
FR2735931B1 (fr) * | 1995-06-21 | 1997-07-25 | Hamel Andre | Dispositif reconfigurable pour insertion-extraction de longueurs d'onde |
CA2267779A1 (en) * | 1996-10-10 | 1998-04-16 | Tyco Submarine Systems Ltd. | Method and apparatus for combining add/drop optical signal lines from a plurality of branching units |
US5867289A (en) * | 1996-12-24 | 1999-02-02 | International Business Machines Corporation | Fault detection for all-optical add-drop multiplexer |
EP0876018A3 (de) * | 1997-02-21 | 2004-05-26 | Siemens Aktiengesellschaft | Verfahren und Anordnung zur Datanübertragung in einem Ringnetz |
DE69836670T2 (de) * | 1997-10-28 | 2007-10-04 | Nec Corp. | Optischer Ein-/Ausfügemultiplexer |
-
1999
- 1999-07-15 GB GB9916578A patent/GB2352105B/en not_active Expired - Lifetime
- 1999-09-08 US US09/391,758 patent/US6519061B1/en not_active Expired - Lifetime
-
2000
- 2000-07-13 NO NO20003611A patent/NO20003611L/no unknown
- 2000-07-14 RU RU2000118730/09A patent/RU2000118730A/ru not_active Application Discontinuation
- 2000-07-14 AU AU48621/00A patent/AU4862100A/en not_active Abandoned
- 2000-07-14 EP EP00305996A patent/EP1069719A3/en not_active Ceased
- 2000-07-15 CN CNB001189921A patent/CN1236578C/zh not_active Expired - Fee Related
- 2000-07-17 JP JP2000250335A patent/JP4408542B2/ja not_active Expired - Lifetime
-
2001
- 2001-05-10 HK HK01103279A patent/HK1032695A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1032695A1 (en) | 2001-07-27 |
GB2352105A (en) | 2001-01-17 |
EP1069719A3 (en) | 2005-10-12 |
NO20003611L (no) | 2001-01-16 |
US6519061B1 (en) | 2003-02-11 |
AU4862100A (en) | 2001-01-18 |
CN1236578C (zh) | 2006-01-11 |
JP2001218240A (ja) | 2001-08-10 |
JP4408542B2 (ja) | 2010-02-03 |
RU2000118730A (ru) | 2002-07-27 |
EP1069719A2 (en) | 2001-01-17 |
GB2352105B (en) | 2001-09-26 |
NO20003611D0 (no) | 2000-07-13 |
GB9916578D0 (en) | 1999-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: MARCONI UK INTELLECTUAL PROP Free format text: FORMER OWNER: MARCONI COMMUNICATIONS LTD. Effective date: 20031008 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20031008 Address after: coventry Applicant after: MARCONI UK INTELLECTUAL PROPERTY Ltd. Address before: coventry Applicant before: MARCONI COMMUNICATIONS S.P.A. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: L.M. ERICSSON CO., LTD. Free format text: FORMER OWNER: M(DGP1) CO., LTD. Effective date: 20070202 Owner name: M(DGP1) CO., LTD. Free format text: FORMER OWNER: MARCONI UK INTELLECTUAL PROP Effective date: 20070202 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20070202 Address after: Stockholm, Sweden Patentee after: ERICSSON AB Address before: Coventry, United Kingdom Patentee before: M (DGP1) Ltd. Effective date of registration: 20070202 Address after: Coventry, United Kingdom Patentee after: M (DGP1) Ltd. Address before: Coventry, United Kingdom Patentee before: MARCONI UK INTELLECTUAL PROPERTY Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060111 Termination date: 20190715 |
|
CF01 | Termination of patent right due to non-payment of annual fee |