CN1236578C - 光学系统 - Google Patents

光学系统 Download PDF

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Publication number
CN1236578C
CN1236578C CNB001189921A CN00118992A CN1236578C CN 1236578 C CN1236578 C CN 1236578C CN B001189921 A CNB001189921 A CN B001189921A CN 00118992 A CN00118992 A CN 00118992A CN 1236578 C CN1236578 C CN 1236578C
Authority
CN
China
Prior art keywords
adm
branch unit
communication system
channel
switching
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 - Fee Related
Application number
CNB001189921A
Other languages
English (en)
Chinese (zh)
Other versions
CN1291833A (zh
Inventor
R·C·古德费洛
D·O·路易斯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
M (DGP1) Ltd
Ericsson AB
Original Assignee
Marconi UK Intellectual Property Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marconi UK Intellectual Property Ltd filed Critical Marconi UK Intellectual Property Ltd
Publication of CN1291833A publication Critical patent/CN1291833A/zh
Application granted granted Critical
Publication of CN1236578C publication Critical patent/CN1236578C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H04J14/0213—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
    • 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
    • H04J14/022—For interconnection of WDM optical networks

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)
CNB001189921A 1999-07-15 2000-07-15 光学系统 Expired - Fee Related CN1236578C (zh)

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 CN1291833A (zh) 2001-04-18
CN1236578C true 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 (8)

Country Link
US (1) US6519061B1 (enExample)
EP (1) EP1069719A3 (enExample)
JP (1) JP4408542B2 (enExample)
CN (1) CN1236578C (enExample)
AU (1) AU4862100A (enExample)
GB (1) GB2352105B (enExample)
NO (1) NO20003611L (enExample)
RU (1) RU2000118730A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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
AU4799897A (en) * 1996-10-10 1998-05-05 Tyco Submarine Systems Ltd. Method and apparatus for combining add/drop optical signal lines from a plural ity 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
EP0914015B1 (en) * 1997-10-28 2006-12-20 Nec Corporation Optical add-drop multiplexer

Also Published As

Publication number Publication date
NO20003611D0 (no) 2000-07-13
EP1069719A2 (en) 2001-01-17
GB9916578D0 (en) 1999-09-15
CN1291833A (zh) 2001-04-18
EP1069719A3 (en) 2005-10-12
JP4408542B2 (ja) 2010-02-03
GB2352105A (en) 2001-01-17
AU4862100A (en) 2001-01-18
US6519061B1 (en) 2003-02-11
HK1032695A1 (en) 2001-07-27
JP2001218240A (ja) 2001-08-10
RU2000118730A (ru) 2002-07-27
GB2352105B (en) 2001-09-26
NO20003611L (no) 2001-01-16

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Legal Events

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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