FR2505045B1 - - Google Patents

Info

Publication number
FR2505045B1
FR2505045B1 FR8108665A FR8108665A FR2505045B1 FR 2505045 B1 FR2505045 B1 FR 2505045B1 FR 8108665 A FR8108665 A FR 8108665A FR 8108665 A FR8108665 A FR 8108665A FR 2505045 B1 FR2505045 B1 FR 2505045B1
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
FR8108665A
Other languages
French (fr)
Other versions
FR2505045A1 (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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT 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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR8108665A priority Critical patent/FR2505045A1/fr
Publication of FR2505045A1 publication Critical patent/FR2505045A1/fr
Application granted granted Critical
Publication of FR2505045B1 publication Critical patent/FR2505045B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/333—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using modulated input signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/33—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face
    • G01M11/335—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter being disposed at one fibre or waveguide end-face, and a light receiver at the other end-face using two or more input wavelengths

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
FR8108665A 1981-04-30 1981-04-30 Dispositif de localisation d'une cassure d'une fibre optique transmettant deux signaux lumineux de longueurs d'onde differentes Granted FR2505045A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8108665A FR2505045A1 (fr) 1981-04-30 1981-04-30 Dispositif de localisation d'une cassure d'une fibre optique transmettant deux signaux lumineux de longueurs d'onde differentes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8108665A FR2505045A1 (fr) 1981-04-30 1981-04-30 Dispositif de localisation d'une cassure d'une fibre optique transmettant deux signaux lumineux de longueurs d'onde differentes

Publications (2)

Publication Number Publication Date
FR2505045A1 FR2505045A1 (fr) 1982-11-05
FR2505045B1 true FR2505045B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1983-06-10

Family

ID=9257960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8108665A Granted FR2505045A1 (fr) 1981-04-30 1981-04-30 Dispositif de localisation d'une cassure d'une fibre optique transmettant deux signaux lumineux de longueurs d'onde differentes

Country Status (1)

Country Link
FR (1) FR2505045A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4743753A (en) * 1986-09-05 1988-05-10 Tektronix, Inc. Method and apparatus for carrying out fiber optic time domain reflectomery wherein Golay complementary sequences are applied
CA2237377C (en) * 1992-04-10 2000-02-29 Norscan Instruments Ltd. Fiber optic cable monitoring system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2451654C3 (de) * 1974-10-30 1984-08-09 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum Messen von Störstellen und/oder Längen von Glasfasern
JPS5811565B2 (ja) * 1976-04-27 1983-03-03 三菱電機株式会社 光ファイバ装置
JPS596538B2 (ja) * 1979-02-08 1984-02-13 ケイディディ株式会社 光中継器監視方式
DE2904703C2 (de) * 1979-02-08 1985-03-28 Philips Kommunikations Industrie AG, 8500 Nürnberg Verfahren zur Dämpfungsmessung an Lichtleitfasern
US4210803A (en) * 1979-03-15 1980-07-01 University Of Delaware Method and apparatus for signal transmission via an optical fiber

Also Published As

Publication number Publication date
FR2505045A1 (fr) 1982-11-05

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Legal Events

Date Code Title Description
ST Notification of lapse