HK1032695A1 - Optical system - Google Patents

Optical system

Info

Publication number
HK1032695A1
HK1032695A1 HK01103279A HK01103279A HK1032695A1 HK 1032695 A1 HK1032695 A1 HK 1032695A1 HK 01103279 A HK01103279 A HK 01103279A HK 01103279 A HK01103279 A HK 01103279A HK 1032695 A1 HK1032695 A1 HK 1032695A1
Authority
HK
Hong Kong
Prior art keywords
optical system
optical
Prior art date
Application number
HK01103279A
Other languages
English (en)
Inventor
Robert Charles Goodfellow
David Owen Lewis
Original Assignee
Marconi Comm 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 Comm Ltd filed Critical Marconi Comm Ltd
Publication of HK1032695A1 publication Critical patent/HK1032695A1/xx

Links

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)
HK01103279A 1999-07-15 2001-05-10 Optical system HK1032695A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9916578A GB2352105B (en) 1999-07-15 1999-07-15 Optical system

Publications (1)

Publication Number Publication Date
HK1032695A1 true HK1032695A1 (en) 2001-07-27

Family

ID=10857270

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01103279A HK1032695A1 (en) 1999-07-15 2001-05-10 Optical system

Country Status (9)

Country Link
US (1) US6519061B1 (xx)
EP (1) EP1069719A3 (xx)
JP (1) JP4408542B2 (xx)
CN (1) CN1236578C (xx)
AU (1) AU4862100A (xx)
GB (1) GB2352105B (xx)
HK (1) HK1032695A1 (xx)
NO (1) NO20003611L (xx)
RU (1) RU2000118730A (xx)

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
EP1012646A1 (en) * 1996-10-10 2000-06-28 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
EP0914015B1 (en) * 1997-10-28 2006-12-20 Nec Corporation Optical add-drop multiplexer

Also Published As

Publication number Publication date
GB2352105B (en) 2001-09-26
NO20003611D0 (no) 2000-07-13
NO20003611L (no) 2001-01-16
CN1236578C (zh) 2006-01-11
GB2352105A (en) 2001-01-17
US6519061B1 (en) 2003-02-11
AU4862100A (en) 2001-01-18
RU2000118730A (ru) 2002-07-27
GB9916578D0 (en) 1999-09-15
EP1069719A3 (en) 2005-10-12
CN1291833A (zh) 2001-04-18
EP1069719A2 (en) 2001-01-17
JP2001218240A (ja) 2001-08-10
JP4408542B2 (ja) 2010-02-03

Similar Documents

Publication Publication Date Title
GB2367905B (en) Imaging optical system
GB2348063B (en) Optical communication system
EP1108236A4 (en) OPTICAL CONNECTION SYSTEM WITH MULTIPLE CLOSURE
GB0201514D0 (en) Optical inspection system
EP1221148A4 (en) FEELABLE AND VISUAL SYSTEM FOR EXIT LOCALIZATION AND DETERMINATION OF THE DISTANCE TO AN EXIT
IL137342A0 (en) Optical sighting system
GB0017048D0 (en) Alternative optical system
GB9922576D0 (en) Laser system
GB2355610B (en) Optical system
GB9916642D0 (en) Optical devices
GB2352105B (en) Optical system
AU7707300A (en) Fiber retaining system
GB9907271D0 (en) System
GB9930156D0 (en) Optical system interface
GB2351625B (en) Optical system
GB9918820D0 (en) Optical inspection system
GB2375831B (en) Ranging system
GB0024650D0 (en) An optical system
GB9911547D0 (en) Answerphone system
GB9903112D0 (en) Optical components
GB9912009D0 (en) Cladding system
GB9903294D0 (en) Optical security system
IL174705A0 (en) Optical inspection system
IL179547A0 (en) Optical inspection system
GB9918322D0 (en) Dogfighter system

Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20050719