DK0388846T3 - Føde- og styreindretning for en laser til en fiberoptisk forbindelse mellem en abonnent og en telekommunikationscentral - Google Patents

Føde- og styreindretning for en laser til en fiberoptisk forbindelse mellem en abonnent og en telekommunikationscentral

Info

Publication number
DK0388846T3
DK0388846T3 DK90105127.6T DK90105127T DK0388846T3 DK 0388846 T3 DK0388846 T3 DK 0388846T3 DK 90105127 T DK90105127 T DK 90105127T DK 0388846 T3 DK0388846 T3 DK 0388846T3
Authority
DK
Denmark
Prior art keywords
laser
data
subscriber
feed
current
Prior art date
Application number
DK90105127.6T
Other languages
English (en)
Inventor
Pierre Albouy
Gerard Chartie
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Application granted granted Critical
Publication of DK0388846T3 publication Critical patent/DK0388846T3/da

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
    • H04B10/504—Laser transmitters using direct modulation

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Semiconductor Lasers (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Radiation-Therapy Devices (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Optical Communication System (AREA)
  • Eye Examination Apparatus (AREA)
  • Laser Surgery Devices (AREA)
  • Amplifiers (AREA)
DK90105127.6T 1989-03-22 1990-03-19 Føde- og styreindretning for en laser til en fiberoptisk forbindelse mellem en abonnent og en telekommunikationscentral DK0388846T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8903758A FR2644944B1 (fr) 1989-03-22 1989-03-22 Dispositif d'alimentation et de commande de laser pour liaison par fibre optique entre un abonne et un central de telecommunications

Publications (1)

Publication Number Publication Date
DK0388846T3 true DK0388846T3 (da) 1995-04-03

Family

ID=9379952

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90105127.6T DK0388846T3 (da) 1989-03-22 1990-03-19 Føde- og styreindretning for en laser til en fiberoptisk forbindelse mellem en abonnent og en telekommunikationscentral

Country Status (8)

Country Link
US (1) US5050239A (da)
EP (1) EP0388846B1 (da)
AT (1) ATE117477T1 (da)
CA (1) CA2012688A1 (da)
DE (1) DE69016069T2 (da)
DK (1) DK0388846T3 (da)
ES (1) ES2069617T3 (da)
FR (1) FR2644944B1 (da)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2677183B1 (fr) * 1991-05-29 1995-02-10 Cit Alcatel Dispositif d'alimentation et de commande de laser.
US7784360B2 (en) 1999-11-22 2010-08-31 Invensys Systems, Inc. Correcting for two-phase flow in a digital flowmeter
US8467986B2 (en) 1997-11-26 2013-06-18 Invensys Systems, Inc. Drive techniques for a digital flowmeter
US8447534B2 (en) 1997-11-26 2013-05-21 Invensys Systems, Inc. Digital flowmeter
US7505692B2 (en) * 2004-08-31 2009-03-17 Cisco Technology, Inc. System and method for optical transmission

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4009385A (en) * 1976-03-22 1977-02-22 Bell Telephone Laboratories, Incorporated Laser control circuit
GB1565764A (en) * 1978-02-02 1980-04-23 Standard Telephones Cables Ltd Optical fibre digital transmission systems
DE3013533A1 (de) * 1980-04-08 1981-10-15 Siemens Ag Schaltungsanordnung mit einer laserdiode zur uebertragung von nachrichtensiglnalen ueber einen lichtwellenleiter
US4477895A (en) * 1980-05-02 1984-10-16 Harris Corporation Synchronized protection switching arrangement
DE3508034A1 (de) * 1985-03-07 1986-09-11 Ant Nachrichtentech Schaltungsanordnung zur ansteuerung eines halbleiterlasers
IT1186424B (it) * 1985-12-10 1987-11-26 Gte Telecom Spa Modulatore per laser a semiconduttore
JPH07112173B2 (ja) * 1986-08-26 1995-11-29 日本電気株式会社 光変調回路
US4757193A (en) * 1986-12-22 1988-07-12 Gte Communication Systems Corporation Laser DC bias controller

Also Published As

Publication number Publication date
FR2644944B1 (fr) 1991-05-17
ES2069617T3 (es) 1995-05-16
FR2644944A1 (fr) 1990-09-28
EP0388846A1 (fr) 1990-09-26
CA2012688A1 (fr) 1990-09-22
DE69016069D1 (de) 1995-03-02
EP0388846B1 (fr) 1995-01-18
ATE117477T1 (de) 1995-02-15
DE69016069T2 (de) 1995-05-18
US5050239A (en) 1991-09-17

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