FR2528586B1 - - Google Patents

Info

Publication number
FR2528586B1
FR2528586B1 FR8210197A FR8210197A FR2528586B1 FR 2528586 B1 FR2528586 B1 FR 2528586B1 FR 8210197 A FR8210197 A FR 8210197A FR 8210197 A FR8210197 A FR 8210197A FR 2528586 B1 FR2528586 B1 FR 2528586B1
Authority
FR
France
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
Application number
FR8210197A
Other versions
FR2528586A1 (fr
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.)
Alcatel CIT SA
Original Assignee
Alcatel CIT SA
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 Alcatel CIT SA filed Critical Alcatel CIT SA
Priority to FR8210197A priority Critical patent/FR2528586A1/fr
Priority to GB08315321A priority patent/GB2122371B/en
Priority to JP10405483A priority patent/JPS593412A/ja
Publication of FR2528586A1 publication Critical patent/FR2528586A1/fr
Application granted granted Critical
Publication of FR2528586B1 publication Critical patent/FR2528586B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0297—Optical equipment protection
    • 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
    • H04B10/03—Arrangements for fault recovery
    • H04B10/032—Arrangements for fault recovery using working and protection systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0287—Protection in WDM systems
    • H04J14/0293—Optical channel protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Couplings Of Light Guides (AREA)
FR8210197A 1982-06-11 1982-06-11 Dispositif de commutation optique Granted FR2528586A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR8210197A FR2528586A1 (fr) 1982-06-11 1982-06-11 Dispositif de commutation optique
GB08315321A GB2122371B (en) 1982-06-11 1983-06-03 Optical switch
JP10405483A JPS593412A (ja) 1982-06-11 1983-06-10 光学切換装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8210197A FR2528586A1 (fr) 1982-06-11 1982-06-11 Dispositif de commutation optique

Publications (2)

Publication Number Publication Date
FR2528586A1 FR2528586A1 (fr) 1983-12-16
FR2528586B1 true FR2528586B1 (fr) 1984-11-30

Family

ID=9274888

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8210197A Granted FR2528586A1 (fr) 1982-06-11 1982-06-11 Dispositif de commutation optique

Country Status (3)

Country Link
JP (1) JPS593412A (fr)
FR (1) FR2528586A1 (fr)
GB (1) GB2122371B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3587515T2 (de) * 1984-05-17 1994-03-17 Nippon Electric Co Optische Schalteinrichtung.
KR100325687B1 (ko) 1999-12-21 2002-02-25 윤덕용 주입된 비간섭성 광에 파장 잠김된 페브리-페롯 레이저다이오드를 이용한 파장분할 다중방식 광통신용 광원
JP2002062549A (ja) * 2000-08-14 2002-02-28 Fujitsu Ltd 光スイッチ切り替え制御方法、光ノード装置および光スイッチシステム
KR100496710B1 (ko) * 2002-01-21 2005-06-28 노베라옵틱스코리아 주식회사 주입된 비간섭성 광에 파장 잠김된 광원을 이용한 양방향파장분할다중방식 수동형 광 네트워크
US7515626B2 (en) 2003-05-29 2009-04-07 Novera Optics, Inc. Light source capable of lasing that is wavelength locked by an injected light signal
KR100955129B1 (ko) 2003-05-30 2010-04-28 정보통신연구진흥원 비간섭성　광대역　광원을 이용한 파장분할다중방식　수동형　광 네트워크 구현 방법
KR100698766B1 (ko) 2005-09-07 2007-03-23 한국과학기술원 파장분할 다중방식 수동형 광 가입자 망 시스템에 사용되는장애 위치 감시 장치 및 이를 구비한 파장분할 다중방식수동형 광 가입자 망 시스템
KR100785436B1 (ko) 2005-09-20 2007-12-13 한국과학기술원 방송 서비스와 통신 서비스를 융합한 파장분할 다중방식수동형 광 가입자망
US8571410B2 (en) 2006-10-11 2013-10-29 Novera Optics, Inc. Mutual wavelength locking in WDM-PONS

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1508806A (en) * 1976-02-06 1978-04-26 Vickers Ltd Optical image-splitting systems
GB1581660A (en) * 1977-04-14 1980-12-17 Standard Telephones Cables Ltd Fibre optical switches
GB2019032B (en) * 1978-01-14 1982-08-25 Festivate Ltd Detonation of explosive charges using optical fibres
US4175827A (en) * 1978-02-21 1979-11-27 Sperry Rand Corporation Electro-optical multiplexer having multiple frequency resonant excitation
JPS5537023A (en) * 1978-09-08 1980-03-14 Kokusai Denshin Denwa Co Ltd <Kdd> Light source extending system of light relay
JPS6057254B2 (ja) * 1979-05-23 1985-12-13 ケイディディ株式会社 光中継器の光源冗長方式
JPS55162640A (en) * 1979-06-06 1980-12-18 Kokusai Denshin Denwa Co Ltd <Kdd> Light source redundancy system in optical communication

Also Published As

Publication number Publication date
GB2122371B (en) 1986-01-02
GB8315321D0 (en) 1983-07-06
FR2528586A1 (fr) 1983-12-16
JPS593412A (ja) 1984-01-10
GB2122371A (en) 1984-01-11

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Legal Events

Date Code Title Description
ST Notification of lapse