GB2251941B - Remote end detection - Google Patents

Remote end detection

Info

Publication number
GB2251941B
GB2251941B GB9203811A GB9203811A GB2251941B GB 2251941 B GB2251941 B GB 2251941B GB 9203811 A GB9203811 A GB 9203811A GB 9203811 A GB9203811 A GB 9203811A GB 2251941 B GB2251941 B GB 2251941B
Authority
GB
United Kingdom
Prior art keywords
remote end
end detection
remote
detection
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.)
Revoked
Application number
GB9203811A
Other versions
GB9203811D0 (en
GB2251941A (en
Inventor
John Andrew Warren
Mark Richard Julian Wills
Robert Alan Freeman
Peter David Baxter
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
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 GB898919934A external-priority patent/GB8919934D0/en
Application filed by British Telecommunications PLC filed Critical British Telecommunications PLC
Priority to GB9203811A priority Critical patent/GB2251941B/en
Publication of GB9203811D0 publication Critical patent/GB9203811D0/en
Publication of GB2251941A publication Critical patent/GB2251941A/en
Application granted granted Critical
Publication of GB2251941B publication Critical patent/GB2251941B/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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)
GB9203811A 1989-09-04 1992-02-20 Remote end detection Revoked GB2251941B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9203811A GB2251941B (en) 1989-09-04 1992-02-20 Remote end detection

Applications Claiming Priority (3)

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
GB9203811A GB2251941B (en) 1989-09-04 1992-02-20 Remote end detection

Publications (3)

Publication Number Publication Date
GB9203811D0 GB9203811D0 (en) 1992-04-15
GB2251941A GB2251941A (en) 1992-07-22
GB2251941B true GB2251941B (en) 1993-04-14

Family

ID=26295864

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9203811A Revoked GB2251941B (en) 1989-09-04 1992-02-20 Remote end detection

Country Status (1)

Country Link
GB (1) GB2251941B (en)

Citations (2)

* 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
DE3413667A1 (en) * 1984-04-11 1985-10-17 Siemens AG, 1000 Berlin und 8000 München METHOD FOR ADJUSTING A COUPLING OPTICS PROVIDED AT THE END OF AN OPTICAL WAVE GUIDE TO A SEMICONDUCTOR LASER, AND DEVICE FOR CARRYING OUT THE METHOD

Patent Citations (2)

* 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
DE3413667A1 (en) * 1984-04-11 1985-10-17 Siemens AG, 1000 Berlin und 8000 München METHOD FOR ADJUSTING A COUPLING OPTICS PROVIDED AT THE END OF AN OPTICAL WAVE GUIDE TO A SEMICONDUCTOR LASER, AND DEVICE FOR CARRYING OUT THE METHOD

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Transac.of Iece of Japan,vol.64.no.6.June 81.M.Tokida:"A newmultipurpose fiber optic sensor"p.433 *

Also Published As

Publication number Publication date
GB9203811D0 (en) 1992-04-15
GB2251941A (en) 1992-07-22

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Legal Events

Date Code Title Description
773K Patent revoked under sect. 73(2)/1977