FR2645376B1 - Procede et dispositif de compensation des variations accidentelles dans les signaux optiques de mesure se produisant sur les lignes optiques de transmission a distance de ces signaux - Google Patents

Procede et dispositif de compensation des variations accidentelles dans les signaux optiques de mesure se produisant sur les lignes optiques de transmission a distance de ces signaux

Info

Publication number
FR2645376B1
FR2645376B1 FR9003945A FR9003945A FR2645376B1 FR 2645376 B1 FR2645376 B1 FR 2645376B1 FR 9003945 A FR9003945 A FR 9003945A FR 9003945 A FR9003945 A FR 9003945A FR 2645376 B1 FR2645376 B1 FR 2645376B1
Authority
FR
France
Prior art keywords
signals
compensating
remote transmission
optical measurement
measurement signals
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
FR9003945A
Other languages
English (en)
Other versions
FR2645376A1 (fr
Inventor
Paolo Boero
Francesco Simonelli
Stefano Cecchi
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 SpA
Cavi Pirelli 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
Application filed by Pirelli Cavi SpA, Cavi Pirelli SpA filed Critical Pirelli Cavi SpA
Publication of FR2645376A1 publication Critical patent/FR2645376A1/fr
Application granted granted Critical
Publication of FR2645376B1 publication Critical patent/FR2645376B1/fr
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
    • H04B10/25—Arrangements specific to fibre transmission
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/344—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using polarisation
    • 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
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR9003945A 1989-03-28 1990-03-28 Procede et dispositif de compensation des variations accidentelles dans les signaux optiques de mesure se produisant sur les lignes optiques de transmission a distance de ces signaux Expired - Lifetime FR2645376B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8919918A IT1228754B (it) 1989-03-28 1989-03-28 Metodo e dispositivo per compensare le variazioni accidentali dei segnali ottici di misura intervenenti nelle linee ottiche di trasmissione a distanza degli stessi.

Publications (2)

Publication Number Publication Date
FR2645376A1 FR2645376A1 (fr) 1990-10-05
FR2645376B1 true FR2645376B1 (fr) 1993-04-09

Family

ID=11162332

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9003945A Expired - Lifetime FR2645376B1 (fr) 1989-03-28 1990-03-28 Procede et dispositif de compensation des variations accidentelles dans les signaux optiques de mesure se produisant sur les lignes optiques de transmission a distance de ces signaux

Country Status (2)

Country Link
FR (1) FR2645376B1 (fr)
IT (1) IT1228754B (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1269545B (de) * 1966-06-24 1968-05-30 Telefunken Patent Verfahren zur Nachrichtenuebertragung mittels Laserstrahlen
JPS59229938A (ja) * 1983-06-10 1984-12-24 Nec Corp ２ル−ト化光通信の位相同期方式

Also Published As

Publication number Publication date
FR2645376A1 (fr) 1990-10-05
IT1228754B (it) 1991-07-03
IT8919918A0 (it) 1989-03-28

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