FR2520113B1 - DEVICE FOR ATTENUATING MEASUREMENT OF A TRANSMISSION LINE - Google Patents

DEVICE FOR ATTENUATING MEASUREMENT OF A TRANSMISSION LINE

Info

Publication number
FR2520113B1
FR2520113B1 FR8200610A FR8200610A FR2520113B1 FR 2520113 B1 FR2520113 B1 FR 2520113B1 FR 8200610 A FR8200610 A FR 8200610A FR 8200610 A FR8200610 A FR 8200610A FR 2520113 B1 FR2520113 B1 FR 2520113B1
Authority
FR
France
Prior art keywords
attenuating
measurement
transmission line
transmission
line
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
Application number
FR8200610A
Other languages
French (fr)
Other versions
FR2520113A1 (en
Inventor
Jean-Louis Martin
Bernard Floch
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 FR8200610A priority Critical patent/FR2520113B1/en
Publication of FR2520113A1 publication Critical patent/FR2520113A1/en
Application granted granted Critical
Publication of FR2520113B1 publication Critical patent/FR2520113B1/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/33Testing 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
    • G01M11/333Testing 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR8200610A 1982-01-15 1982-01-15 DEVICE FOR ATTENUATING MEASUREMENT OF A TRANSMISSION LINE Expired FR2520113B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8200610A FR2520113B1 (en) 1982-01-15 1982-01-15 DEVICE FOR ATTENUATING MEASUREMENT OF A TRANSMISSION LINE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8200610A FR2520113B1 (en) 1982-01-15 1982-01-15 DEVICE FOR ATTENUATING MEASUREMENT OF A TRANSMISSION LINE

Publications (2)

Publication Number Publication Date
FR2520113A1 FR2520113A1 (en) 1983-07-22
FR2520113B1 true FR2520113B1 (en) 1986-03-07

Family

ID=9270031

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8200610A Expired FR2520113B1 (en) 1982-01-15 1982-01-15 DEVICE FOR ATTENUATING MEASUREMENT OF A TRANSMISSION LINE

Country Status (1)

Country Link
FR (1) FR2520113B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3409310A1 (en) * 1984-03-14 1985-09-19 ANT Nachrichtentechnik GmbH, 7150 Backnang Method for measuring dispersion characteristics of an optical fibre
DE3532705C1 (en) * 1985-09-13 1987-04-23 Ant Nachrichtentech Optical measuring method for fiber optic lines

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904703C2 (en) * 1979-02-08 1985-03-28 Philips Kommunikations Industrie AG, 8500 Nürnberg Method for measuring attenuation on optical fibers

Also Published As

Publication number Publication date
FR2520113A1 (en) 1983-07-22

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Legal Events

Date Code Title Description
ST Notification of lapse