FR2438942A1 - Appareil d'equipement terminal pour reseau de communication a fibres optiques - Google Patents

Appareil d'equipement terminal pour reseau de communication a fibres optiques

Info

Publication number
FR2438942A1
FR2438942A1 FR7925245A FR7925245A FR2438942A1 FR 2438942 A1 FR2438942 A1 FR 2438942A1 FR 7925245 A FR7925245 A FR 7925245A FR 7925245 A FR7925245 A FR 7925245A FR 2438942 A1 FR2438942 A1 FR 2438942A1
Authority
FR
France
Prior art keywords
terminal equipment
communication network
fiber optic
optic communication
equipment apparatus
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
Application number
FR7925245A
Other languages
English (en)
Other versions
FR2438942B1 (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.)
Allard Way Holdings Ltd
Original Assignee
Elliott Brothers London 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 Elliott Brothers London Ltd filed Critical Elliott Brothers London Ltd
Publication of FR2438942A1 publication Critical patent/FR2438942A1/fr
Application granted granted Critical
Publication of FR2438942B1 publication Critical patent/FR2438942B1/fr
Expired 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • 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
    • H04B10/50—Transmitters
    • H04B10/564—Power control

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Communication System (AREA)

Abstract

L'INVENTION CONCERNE LES APPAREILS D'EQUIPEMENT TERMINAL DE RESEAU DE COMMUNICATION A FIBRES OPTIQUES. ELLE SE RAPPORTE A UN APPAREIL DANS LEQUEL LE RECEPTEUR RECOIT LA LUMIERE QUI A ETE REFLECHIE PAR UNE OU PLUSIEURS INTERFACES 3A, 3B, 2A, ET UN DISPOSITIF EST SENSIBLE A LA LUMIERE RECUE PAR LE RECEPTEUR ET EFFECTUE UNE OPERATION, PAR EXEMPLE LE REGLAGE DU SIGNAL TRANSMIS A L'EMETTEUR DE L'APPAREIL D'EQUIPEMENT TERMINAL. APPLICATION AUX RESEAUX DE COMMUNICATIONS PAR FIBRES OPTIQUES.
FR7925245A 1978-10-11 1979-10-10 Appareil d'equipement terminal pour reseau de communication a fibres optiques Expired FR2438942B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7840111 1978-10-11

Publications (2)

Publication Number Publication Date
FR2438942A1 true FR2438942A1 (fr) 1980-05-09
FR2438942B1 FR2438942B1 (fr) 1985-08-16

Family

ID=10500254

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7925245A Expired FR2438942B1 (fr) 1978-10-11 1979-10-10 Appareil d'equipement terminal pour reseau de communication a fibres optiques

Country Status (4)

Country Link
US (1) US4321707A (fr)
DE (1) DE2940914A1 (fr)
FR (1) FR2438942B1 (fr)
GB (1) GB2034883B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028669A1 (fr) * 1979-11-08 1981-05-20 Philips Kommunikations Industrie AG Procédé et dispositif pour maintenir constante une puissance lumineuse transportée par une fibre optique
FR2503360A1 (fr) * 1981-04-06 1982-10-08 Thomson Csf Dispositif emetteur de rayonnement optique a prelevement

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1128806B (it) * 1980-06-17 1986-06-04 Cselt Centro Studi Lab Telecom Accoppiatore ottico per ricetrasmissione su fibra ottica
US4797609A (en) * 1981-05-22 1989-01-10 The Perkin-Elmer Corporation LED monitoring without external light detection
US4549314A (en) * 1981-12-25 1985-10-22 Canon Kabushiki Kaisha Optical communication apparatus
NL8202008A (nl) * 1982-05-14 1983-12-01 Philips Nv Optische koppelinrichting.
DE3326847A1 (de) * 1983-07-26 1985-02-14 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Vorrichtung zur uebertragung einer information
US4612670A (en) * 1984-05-16 1986-09-16 General Dynamics Corporation Electro-optical connection between electronic modules
EP0212786A1 (fr) * 1985-08-02 1987-03-04 C.R. Bard, Inc. Dispositif de sécurité et méthode pour laser/fibres optiques
DE3886005D1 (de) * 1987-10-24 1994-01-13 Kommunikations Elektronik Verfahren zur bidirektionalen Uebertragung optischer Signale ueber Lichtwellenleiter.
DE3834821A1 (de) * 1988-10-13 1990-05-03 Thomson Brandt Gmbh Optische uebertragungseinrichtung fuer digitale signale
US5345230A (en) * 1992-04-13 1994-09-06 Dr. Johannes Heidenhain Gmbh Method and apparatus for optical transceiver testing
US5771114A (en) * 1995-09-29 1998-06-23 Rosemount Inc. Optical interface with safety shutdown
US5727110A (en) * 1995-09-29 1998-03-10 Rosemount Inc. Electro-optic interface for field instrument
US5710846A (en) * 1996-03-26 1998-01-20 Rf Systems, Inc. Self-calibrating optical fiber switch

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931512A (en) * 1973-06-01 1976-01-06 Plessey Handel Und Investments A.G. Line data and television transmission

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2144780A1 (de) * 1971-09-08 1973-03-15 Licentia Gmbh Nachrichtenuebertragungssystem mit einem kabel mit parallelgefuehrten glasfaserlichtleitungen
US3981592A (en) * 1975-03-31 1976-09-21 The United States Of America As Represented By The Secretary Of The Navy System for locating breaks in fiber optic filaments
US4207561A (en) * 1975-10-31 1980-06-10 International Telephone And Telegraph Corporation Intruder alarm arrangement for an optical communication system
CH607500A5 (fr) * 1976-03-18 1978-12-29 Patelhold Patentverwertung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3931512A (en) * 1973-06-01 1976-01-06 Plessey Handel Und Investments A.G. Line data and television transmission

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0028669A1 (fr) * 1979-11-08 1981-05-20 Philips Kommunikations Industrie AG Procédé et dispositif pour maintenir constante une puissance lumineuse transportée par une fibre optique
FR2503360A1 (fr) * 1981-04-06 1982-10-08 Thomson Csf Dispositif emetteur de rayonnement optique a prelevement

Also Published As

Publication number Publication date
FR2438942B1 (fr) 1985-08-16
GB2034883A (en) 1980-06-11
DE2940914A1 (de) 1980-04-30
US4321707A (en) 1982-03-23
GB2034883B (en) 1982-11-24

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Legal Events

Date Code Title Description
ST Notification of lapse