DE69325468D1 - Überwachungssystem für faseroptisches Kabel - Google Patents

Überwachungssystem für faseroptisches Kabel

Info

Publication number
DE69325468D1
DE69325468D1 DE69325468T DE69325468T DE69325468D1 DE 69325468 D1 DE69325468 D1 DE 69325468D1 DE 69325468 T DE69325468 T DE 69325468T DE 69325468 T DE69325468 T DE 69325468T DE 69325468 D1 DE69325468 D1 DE 69325468D1
Authority
DE
Germany
Prior art keywords
monitoring system
fiber optic
optic cable
cable
fiber
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 - Fee Related
Application number
DE69325468T
Other languages
English (en)
Other versions
DE69325468T2 (de
Inventor
David E Vokey
Kenneth N Sontag
Heinrich Kraft
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.)
Norscan Instruments Ltd
Original Assignee
Norscan Instruments 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
Priority claimed from CA002237377A external-priority patent/CA2237377C/en
Application filed by Norscan Instruments Ltd filed Critical Norscan Instruments Ltd
Application granted granted Critical
Publication of DE69325468D1 publication Critical patent/DE69325468D1/de
Publication of DE69325468T2 publication Critical patent/DE69325468T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01M11/08—Testing mechanical properties
    • G01M11/083—Testing mechanical properties by using an optical fiber in contact with the device under test [DUT]
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means
    • G01M3/047—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection means with photo-electrical detection means, e.g. using optical fibres

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
DE69325468T 1992-04-10 1993-04-08 Überwachungssystem für faseroptisches Kabel Expired - Fee Related DE69325468T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA002237377A CA2237377C (en) 1992-04-10 1992-04-10 Fiber optic cable monitoring system
CA002065785A CA2065785C (en) 1992-04-10 1992-04-10 Fiber optic cable monitoring system

Publications (2)

Publication Number Publication Date
DE69325468D1 true DE69325468D1 (de) 1999-07-29
DE69325468T2 DE69325468T2 (de) 2000-01-05

Family

ID=25675079

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69309048T Expired - Fee Related DE69309048T2 (de) 1992-04-10 1993-04-08 Feuchtesensor, insbesondere für ein überwachungssystem für faseroptische kabel
DE69325468T Expired - Fee Related DE69325468T2 (de) 1992-04-10 1993-04-08 Überwachungssystem für faseroptisches Kabel

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE69309048T Expired - Fee Related DE69309048T2 (de) 1992-04-10 1993-04-08 Feuchtesensor, insbesondere für ein überwachungssystem für faseroptische kabel

Country Status (7)

Country Link
EP (1) EP0635123B1 (de)
AU (1) AU3884293A (de)
CA (1) CA2065785C (de)
DE (2) DE69309048T2 (de)
ES (1) ES2136362T3 (de)
GR (1) GR3031301T3 (de)
WO (1) WO1993021507A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19544391A1 (de) * 1995-11-15 1997-05-22 Siemens Ag Meßschaltung zum Erfassen und Orten von Wassereinbrüchen an Rohr- oder Kabelanlagen
US9752999B2 (en) 2014-05-29 2017-09-05 Apple Inc. Moisture ingress sensors
US10712224B2 (en) * 2017-05-19 2020-07-14 The Trustees Of Columbia University In The City Of New York Integrated optical surveillance systems for changes in physical parameters
CN113124322B (zh) * 2019-12-31 2022-07-12 北京裕荣众联科技有限公司 一种天然气管道冰堵定位方法及系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8307382D0 (en) * 1983-03-17 1983-04-27 Maxwell A J Battery-sensor
EP0170736A1 (de) * 1984-07-09 1986-02-12 Amon, Glen C. System zur Überwachung des Pipelinefehlerzustandes
DE3908903A1 (de) * 1989-03-15 1990-09-20 Siemens Ag Meldeader und elektrisches oder optisches kabel mit einer meldeader sowie kabelnetz aus kabeln mit einer meldeader

Also Published As

Publication number Publication date
EP0635123B1 (de) 1997-03-19
DE69309048T2 (de) 1997-10-09
DE69325468T2 (de) 2000-01-05
AU3884293A (en) 1993-11-18
ES2136362T3 (es) 1999-11-16
DE69309048D1 (de) 1997-04-24
WO1993021507A2 (en) 1993-10-28
CA2065785C (en) 2000-03-07
CA2065785A1 (en) 1993-10-11
GR3031301T3 (en) 1999-12-31
WO1993021507A3 (en) 1994-02-03
EP0635123A1 (de) 1995-01-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee