ES2110464T3 - Interruptor de proteccion en una linea optica de telecomunicaciones que comporta amplificadores opticos. - Google Patents

Interruptor de proteccion en una linea optica de telecomunicaciones que comporta amplificadores opticos.

Info

Publication number
ES2110464T3
ES2110464T3 ES92200638T ES92200638T ES2110464T3 ES 2110464 T3 ES2110464 T3 ES 2110464T3 ES 92200638 T ES92200638 T ES 92200638T ES 92200638 T ES92200638 T ES 92200638T ES 2110464 T3 ES2110464 T3 ES 2110464T3
Authority
ES
Spain
Prior art keywords
optical
telecommunication line
amplifier
light energy
transmitter
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
Application number
ES92200638T
Other languages
English (en)
Inventor
Giorgio Grasso
Aldo Righetti
Mario Tamburello
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.)
Pirelli and C SpA
Original Assignee
Pirelli Cavi e Sistemi SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11359335&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2110464(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pirelli Cavi e Sistemi SpA filed Critical Pirelli Cavi e Sistemi SpA
Application granted granted Critical
Publication of ES2110464T3 publication Critical patent/ES2110464T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/293—Signal power control
    • H04B10/2931—Signal power control using AGC
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/077—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using a supervisory or additional signal
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07955—Monitoring or measuring power

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)

Abstract

CONMUTADOR PROTECTOR DE UNA LINEA OPTICA DE TELECOMUNICACIONES CON AMPLIFICADORES OPTICOS. LA LINEA DE TELECOMUNICACIONES COMPRENDE, AL MENOS, UNA ESTACION TERMINAL (1, 2) QUE TIENE UN TRANSMISOR DE SEÑALES OPTICAS (T1, T2) Y UN RECEPTOR DE SEÑALES OPTICAS (R1, R2), QUE ESTAN CONECTADOS OPERACIONALMENTE POR UN DISPOSITIVO DE PROTECCION AUTOMATICO (19) ADECUADO PARA DESCONECTAR DICHO TRANSMISOR (T1, T2) EN AUSENCIA DE UNA SEÑAL OPTICA RECIBIDA, AL MENOS, UNA LINEA DE FIBRA OPTICA (3, 4) PARA LA TRANSMISION DE LAS SEÑALES OPTICAS TRANSMITIDAS POR DICHO TRANSMISOR Y RECIBIDAS POR DICHO RECEPTOR, Y, AL MENOS, UN AMPLIFICADOR OPTICO (5) INCLUIDO EN DICHA LINEA (3, 4). A DICHO AMPLIFICADOR OPTICO (5) SE ASOCIAN MEDIOS (12) PARA LA DETECCION DE LA PRESENCIA DE ENERGIA LUMINICA DE ENTRADA Y MEDIOS (14) PARA PROVOCAR LA DESCONEXION DEL AMPLIFICADOR, QUE EN AUSENCIA DE ENERGIA LUMINICA DE ENTRADA ESTA CAUSADA POR DICHOS MEDIOS DE DETECCION (12) PARA INTERRUMPIR SUSTANCIALMENTE CUALQUIER EMISION DE ENERGIA LUMINICA POR PARTE DE DICHO AMPLIFICADOR OPTICO.
ES92200638T 1991-03-29 1992-03-05 Interruptor de proteccion en una linea optica de telecomunicaciones que comporta amplificadores opticos. Expired - Lifetime ES2110464T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI910863A IT1247844B (it) 1991-03-29 1991-03-29 Linea di telecomunicazione a fibre ottiche con amplificatori ottici, dotata di mezzi di protezione in grado di interrompere l'emissione luminosa in tutta la linea in presenza di un'interruzione della fibra ottica e di riattivarla automaticamente al ripristino della sua continuita'

Publications (1)

Publication Number Publication Date
ES2110464T3 true ES2110464T3 (es) 1998-02-16

Family

ID=11359335

Family Applications (1)

Application Number Title Priority Date Filing Date
ES92200638T Expired - Lifetime ES2110464T3 (es) 1991-03-29 1992-03-05 Interruptor de proteccion en una linea optica de telecomunicaciones que comporta amplificadores opticos.

Country Status (7)

Country Link
US (1) US5355250A (es)
EP (1) EP0507367B1 (es)
JP (1) JPH05130043A (es)
CA (1) CA2062664C (es)
DE (1) DE69222881T2 (es)
ES (1) ES2110464T3 (es)
IT (1) IT1247844B (es)

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DE4321856A1 (de) * 1993-07-01 1995-01-12 Sel Alcatel Ag Faseroptischer Verstärker mit einer Vorrichtung zur Überwachung der Pump- und Eingangsleistung
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JP3295533B2 (ja) * 1994-06-30 2002-06-24 富士通株式会社 光増幅器
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US5563731A (en) * 1995-02-22 1996-10-08 Nec Corporation Monitor control signal receiving apparatus for optical fiber amplifier
KR19980703248A (ko) * 1995-03-24 1998-10-15 로이드배리조지윌리엄 광 네트워크 및 광 네트워크 요소
JPH08331048A (ja) * 1995-06-05 1996-12-13 Fujitsu Ltd 光信号受信装置
JPH0993202A (ja) * 1995-09-21 1997-04-04 Fujitsu Ltd 双方向光増幅回路
US5905588A (en) * 1995-09-26 1999-05-18 The Furukawa Electric Co., Ltd. Optical transmitting device
JPH10164018A (ja) * 1996-11-26 1998-06-19 Fujitsu Ltd 光送信機並びに該光送信機を有する端局装置及び光通信システム
IL120898A (en) * 1997-05-22 2000-02-17 D S P C Israel Ltd Bi-directional channel analysis
US6317255B1 (en) * 1998-04-28 2001-11-13 Lucent Technologies Inc. Method and apparatus for controlling optical signal power in response to faults in an optical fiber path
US6580530B1 (en) 1998-05-29 2003-06-17 Cisco Photonics Italy S.R.L. Optical communication system
EP1014595A4 (en) 1998-06-26 2005-06-15 Sumitomo Electric Industries OPTICAL INTERMEDIATE SYSTEM
US6583899B1 (en) * 1998-12-31 2003-06-24 Cisco Photonics Italy S.R.L. Automatic protection system for an optical transmission system
EP1017192B1 (en) * 1998-12-31 2006-02-22 Cisco Systems International B.V. Automatic protection system for an optical transmission system
US6681079B1 (en) * 2000-05-18 2004-01-20 Nortel Networks Limited Optical fibre monitoring system
WO2001091339A2 (en) * 2000-05-24 2001-11-29 Corvis Corporation Optical transmission systems and methods including optical protection
US20020063932A1 (en) * 2000-05-30 2002-05-30 Brian Unitt Multiple access system for communications network
JP2001358392A (ja) * 2000-06-13 2001-12-26 Oki Electric Ind Co Ltd 安全光移行制御方法および光ファイバ増幅器
US6473224B2 (en) * 2000-12-01 2002-10-29 Alcatel Configurable safety shutdown for an optical amplifier using non-volatile storage
CA2340533A1 (en) 2001-03-13 2002-09-13 Claude Houde Fiber optic based security system
US20030002109A1 (en) * 2001-06-29 2003-01-02 Jim Hochberg Eye safety shutdown
DE10131942C2 (de) * 2001-07-02 2003-05-15 Adva Ag Verfahren für das Aktivieren eines optischen Verstärkers in einer optischen Übertragungsstrecke und hierzu geeigneter optischer Verstärker
EP1309108A1 (en) * 2001-10-31 2003-05-07 Agilent Technologies, Inc. (a Delaware corporation) Optical transceiver with automatic power shut-down arrangement
DE60218625T2 (de) * 2002-02-11 2007-06-28 Alcatel Lucent Schutzverfahren und Schnittstelle für fiberoptische Systeme
JP3878641B2 (ja) * 2003-05-23 2007-02-07 富士通株式会社 ラマン増幅による雑音光の補正機能を備えた光伝送システム
US7218442B2 (en) * 2005-03-04 2007-05-15 Jds Uniphase Corporation Optical communications system with fiber break detection in the presence of Raman amplification
US7773884B2 (en) * 2005-10-31 2010-08-10 Red - C Optical Newworks Ltd. Method and apparatus for automatic shut-down and start-up of optical amplifiers in optical networks
KR100759824B1 (ko) * 2006-09-07 2007-09-18 한국전자통신연구원 광신호 출력제어 방법 및 그 방법을 채용한 수동형광가입자망 시스템
JP4376263B2 (ja) * 2006-12-08 2009-12-02 富士通株式会社 光波長多重システム
JP4678020B2 (ja) * 2007-10-29 2011-04-27 株式会社日立製作所 光ファイバ増幅器および光伝送システム
WO2012099166A1 (ja) * 2011-01-19 2012-07-26 株式会社ニコン レーザ装置
US10509390B2 (en) 2015-02-12 2019-12-17 Glowforge Inc. Safety and reliability guarantees for laser fabrication
WO2016131022A1 (en) 2015-02-12 2016-08-18 Glowforge Inc. Cloud controlled laser fabrication
WO2018098393A1 (en) 2016-11-25 2018-05-31 Glowforge Inc. Housing for computer-numerically-controlled machine
CN110226137A (zh) 2016-11-25 2019-09-10 格罗弗治公司 借助图像跟踪进行制造
WO2018098395A1 (en) 2016-11-25 2018-05-31 Glowforge Inc. Improved engraving in a computer numerically controlled machine
US11262236B2 (en) 2019-04-12 2022-03-01 Glowforge Inc. Laser fabrication with beam detection
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WO2018098399A1 (en) 2016-11-25 2018-05-31 Glowforge Inc. Controlled deceleration of moveable components in a computer numerically controlled machine
US11740608B2 (en) 2020-12-24 2023-08-29 Glowforge, Inc Computer numerically controlled fabrication using projected information
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JPS55152434A (en) * 1979-05-17 1980-11-27 Kokusai Denshin Denwa Co Ltd <Kdd> Light output monitoring system for light repeater
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EP0331304B1 (en) * 1988-03-04 1993-11-24 BRITISH TELECOMMUNICATIONS public limited company Amplification of optical signals
JPH01287426A (ja) * 1988-05-13 1989-11-20 Hamamatsu Photonics Kk 光信号サンプリング装置
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JPH02184828A (ja) * 1989-01-12 1990-07-19 Toshiba Corp 半導体光増幅器
IT1231379B (it) * 1989-07-21 1991-12-02 Pirelli Cavi Spa Linea di telecomunicazioni a fibre ottiche incorporante amplificatori dei segnali trasmessi ed amplificatori per detta linea
IT1238032B (it) * 1990-01-30 1993-06-23 Pirelli Cavi Spa Linea di telecomunicazione a fibre ottiche con canali separati di servizio

Also Published As

Publication number Publication date
US5355250A (en) 1994-10-11
IT1247844B (it) 1995-01-02
DE69222881T2 (de) 1998-04-09
CA2062664A1 (en) 1992-09-30
ITMI910863A1 (it) 1992-09-29
ITMI910863A0 (it) 1991-03-29
EP0507367B1 (en) 1997-10-29
CA2062664C (en) 1999-11-30
DE69222881D1 (de) 1997-12-04
EP0507367A1 (en) 1992-10-07
JPH05130043A (ja) 1993-05-25

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