FI920944A0 - Detektering av fjaerraenden. - Google Patents

Detektering av fjaerraenden.

Info

Publication number
FI920944A0
FI920944A0 FI920944A FI920944A FI920944A0 FI 920944 A0 FI920944 A0 FI 920944A0 FI 920944 A FI920944 A FI 920944A FI 920944 A FI920944 A FI 920944A FI 920944 A0 FI920944 A0 FI 920944A0
Authority
FI
Finland
Prior art keywords
pct
source
fibre
date mar
sec
Prior art date
Application number
FI920944A
Other languages
English (en)
Inventor
John Andrew Warren
Mark Richard Julian Wills
Robert Alan Freeman
Peter David Baxter
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Publication of FI920944A0 publication Critical patent/FI920944A0/fi

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts
    • G02B6/52—Underground or underwater installation; Installation through tubing, conduits or ducts using fluid, e.g. air
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
    • G02B6/50—Underground or underwater installation; Installation through tubing, conduits or ducts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Materials For Medical Uses (AREA)
  • Lock And Its Accessories (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
FI920944A 1989-09-04 1992-03-03 Detektering av fjaerraenden. FI920944A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898919934A GB8919934D0 (en) 1989-09-04 1989-09-04 Remote end detection
PCT/GB1990/001366 WO1991003756A1 (en) 1989-09-04 1990-09-04 Remote end detection

Publications (1)

Publication Number Publication Date
FI920944A0 true FI920944A0 (fi) 1992-03-03

Family

ID=10662484

Family Applications (1)

Application Number Title Priority Date Filing Date
FI920944A FI920944A0 (fi) 1989-09-04 1992-03-03 Detektering av fjaerraenden.

Country Status (12)

Country Link
US (1) US5248128A (fi)
EP (1) EP0490968B1 (fi)
JP (1) JPH05500275A (fi)
AT (1) ATE133497T1 (fi)
AU (1) AU636395B2 (fi)
CA (1) CA2065296C (fi)
DE (1) DE69025064T2 (fi)
ES (1) ES2082863T3 (fi)
FI (1) FI920944A0 (fi)
GB (1) GB8919934D0 (fi)
HK (1) HK127296A (fi)
WO (1) WO1991003756A1 (fi)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5813658A (en) * 1994-11-23 1998-09-29 Arnco Corporation Cable feeding apparatus
US7194296B2 (en) * 2000-10-31 2007-03-20 Northern Digital Inc. Flexible instrument with optical sensors
EP1832903A1 (en) * 2006-03-09 2007-09-12 BRITISH TELECOMMUNICATIONS public limited company Cable installation
AU2007226408A1 (en) * 2006-03-10 2007-09-20 British Telecommunications Public Limited Company Cable installation
EP1832908A1 (en) * 2006-03-10 2007-09-12 BRITISH TELECOMMUNICATIONS public limited company Cable installation
WO2007113549A1 (en) * 2006-04-03 2007-10-11 British Telecommunications Public Limited Company Cable installation
EP1843181A1 (en) * 2006-04-03 2007-10-10 British Telecommunications Public Limited Company Cable installation
EP1914577A1 (en) * 2006-10-17 2008-04-23 British Telecommunications Public Limited Company Optical fibre installation apparatus
EP2075607A1 (en) 2007-12-28 2009-07-01 British Telecmmunications public limited campany Arrival detection of air flow and a fibre unit during fibre blowing installation using relfected light
EP2075606A1 (en) 2007-12-28 2009-07-01 British Telecmmunications public limited campany Cable installation using induction
EP2075608A1 (en) 2007-12-28 2009-07-01 British Telecmmunications public limited campany Cable installation using optical detection
EP2075609A1 (en) 2007-12-28 2009-07-01 British Telecmmunications public limited campany Cable installation detection using air flow
EP2157463A1 (en) * 2008-07-11 2010-02-24 BRITISH TELECOMMUNICATIONS public limited company Cable installation detection component
EP2157464A1 (en) 2008-07-11 2010-02-24 BRITISH TELECOMMUNICATIONS public limited company Cable installation detection apparatus
GB0817639D0 (en) 2008-09-26 2008-11-05 British Telecomm Cable installation apparatus
EP2230545A1 (en) 2009-03-19 2010-09-22 BRITISH TELECOMMUNICATIONS public limited company Passive remote air flow and cable detection
GB0905590D0 (en) 2009-03-31 2009-05-13 British Telecomm Blown cable apparatus
EP2369388A1 (en) 2010-03-26 2011-09-28 British Telecommunications public limited company Optical fibre splice tray assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1525000A (en) * 1975-12-04 1978-09-13 Standard Telephones Cables Ltd Optical fibre testing
JPS54115148A (en) * 1978-02-28 1979-09-07 Machida Endoscope Co Ltd Internal examination mirror with sensor
US4402790A (en) * 1982-05-04 1983-09-06 Bethlehem Steel Corporation Coke oven flue temperature measuring process and probe machine
JPS6044675A (ja) * 1983-08-20 1985-03-09 株式会社日立製作所 中空曲り配管内の移動装置，及びこの移動装置を用いた配管内の作業方法
DE3413667A1 (de) * 1984-04-11 1985-10-17 Siemens AG, 1000 Berlin und 8000 München Verfahren zum einjustieren einer an einem ende eines optischen wellenleiters vorgesehenen koppeloptik auf einen halbleiterlaser und vorrichtung zur durchfuehrung des verfahrens
US4573829A (en) * 1984-06-29 1986-03-04 Keene Terrell M Plastic-pipe locator tool
JP2788991B2 (ja) * 1986-07-16 1998-08-20 ブリティシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニ 伝送線路部材の推進力制御装置および伝送線路吹き流し装置
GB2205916B (en) * 1987-06-04 1991-04-17 British Pipeline Agency Pipeline systems
GB2236589B (en) * 1989-10-07 1993-05-05 Stc Plc Laying cables

Also Published As

Publication number Publication date
GB8919934D0 (en) 1989-10-18
ES2082863T3 (es) 1996-04-01
AU636395B2 (en) 1993-04-29
US5248128A (en) 1993-09-28
EP0490968B1 (en) 1996-01-24
HK127296A (en) 1996-07-26
JPH05500275A (ja) 1993-01-21
EP0490968A1 (en) 1992-06-24
CA2065296C (en) 1997-07-08
WO1991003756A1 (en) 1991-03-21
DE69025064D1 (de) 1996-03-07
DE69025064T2 (de) 1996-05-30
AU6407790A (en) 1991-04-08
ATE133497T1 (de) 1996-02-15
CA2065296A1 (en) 1991-03-05

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Legal Events

Date Code Title Description
FD Application lapsed