DE69415303T2 - Lokalisierung verlegter kabel - Google Patents

Lokalisierung verlegter kabel

Info

Publication number
DE69415303T2
DE69415303T2 DE69415303T DE69415303T DE69415303T2 DE 69415303 T2 DE69415303 T2 DE 69415303T2 DE 69415303 T DE69415303 T DE 69415303T DE 69415303 T DE69415303 T DE 69415303T DE 69415303 T2 DE69415303 T2 DE 69415303T2
Authority
DE
Germany
Prior art keywords
layed
localization
cables
layed cables
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
DE69415303T
Other languages
English (en)
Other versions
DE69415303D1 (de
Inventor
Mark Ian Howell
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.)
Individual
Original Assignee
Individual
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 GB939303184A external-priority patent/GB9303184D0/en
Priority claimed from GB939319266A external-priority patent/GB9319266D0/en
Application filed by Individual filed Critical Individual
Publication of DE69415303D1 publication Critical patent/DE69415303D1/de
Application granted granted Critical
Publication of DE69415303T2 publication Critical patent/DE69415303T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/10—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
    • G01V3/104—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils using several coupled or uncoupled coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
DE69415303T 1993-02-17 1994-02-17 Lokalisierung verlegter kabel Expired - Fee Related DE69415303T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB939303184A GB9303184D0 (en) 1993-02-17 1993-02-17 Location of buried conductors
GB939319266A GB9319266D0 (en) 1993-09-17 1993-09-17 Location of buried conductors
PCT/GB1994/000322 WO1994019708A1 (en) 1993-02-17 1994-02-17 Location of buried conductors

Publications (2)

Publication Number Publication Date
DE69415303D1 DE69415303D1 (de) 1999-01-28
DE69415303T2 true DE69415303T2 (de) 1999-06-02

Family

ID=26302474

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69415303T Expired - Fee Related DE69415303T2 (de) 1993-02-17 1994-02-17 Lokalisierung verlegter kabel

Country Status (5)

Country Link
US (1) US5754049A (de)
EP (1) EP0685078B1 (de)
JP (1) JPH08507144A (de)
DE (1) DE69415303T2 (de)
WO (1) WO1994019708A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9425331D0 (en) * 1994-12-15 1995-02-15 Howell Mark I Location of remote conductors
US6211662B1 (en) 1998-08-07 2001-04-03 The Stanley Works Hand-held hidden object sensor for sensing a location of objects hidden behind a surface of an architectural structure
US6624626B2 (en) * 1999-11-01 2003-09-23 Polhemus Inc. Method and apparatus for electromagnetic position and orientation tracking with distortion compensation employing modulated signal
GB0013620D0 (en) * 2000-06-06 2000-07-26 Howell Mark I A technique for finding the position and depth of any buried pipeline or cable accurately, even where it may be lying close to other long buried conductors
US6636042B1 (en) * 2000-09-07 2003-10-21 Geometrics Group, Inc. Under and above ground, radio frequency driven element, vector display, metal locating system
US6353320B1 (en) * 2000-09-13 2002-03-05 At&T Corp. Conveyance locating system and method for multiple conveyances on the same right-of-way
US6529006B1 (en) 2001-10-31 2003-03-04 Paul Hayes Method and apparatus for resolving the position and identity of buried conductive bodies
US7095231B2 (en) * 2003-03-12 2006-08-22 Tempo Research Corporation Method of and system for locating a single passive underground electronic marker type that distinguishes false indication caused by other marker types
US8945746B2 (en) 2009-08-12 2015-02-03 Samsung Sdi Co., Ltd. Battery pack with improved heat dissipation efficiency
US7443154B1 (en) 2003-10-04 2008-10-28 Seektech, Inc. Multi-sensor mapping omnidirectional sonde and line locator
US7336078B1 (en) * 2003-10-04 2008-02-26 Seektech, Inc. Multi-sensor mapping omnidirectional sonde and line locators
US7151375B2 (en) 2005-04-13 2006-12-19 Marlin Technology, Inc. Distinguishing false signals in cable locating
GB2427475B (en) * 2005-06-20 2008-07-09 Radiodetection Ltd A detector for detecting a buried current carrying conductor
GB2427474B8 (en) * 2005-06-20 2009-04-22 Radiodetection Ltd A method of and apparatus for determining if a buried current carrying conductor is buried above a predetermined minimum depth
GB2427476B (en) * 2005-06-20 2008-06-25 Radiodetection Ltd A detector for detecting a buried current carrying conductor
GB2458120B (en) * 2008-03-03 2012-07-25 Radiodetection Ltd A detector for calculating the depth of a buried conductor
US7671576B2 (en) * 2008-03-06 2010-03-02 Zircon Corporation Ratiometric AC wire tracer
US10162074B2 (en) 2016-03-11 2018-12-25 SeeScan, Inc. Utility locators with retractable support structures and applications thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4255710A (en) * 1978-05-19 1981-03-10 Weber Harold J Plural search frequency directional metal detector apparatus having enhanced sensitivity
GB2041531B (en) * 1979-01-29 1983-09-14 British Gas Corp Detecting inaccessible objects
GB8304330D0 (en) * 1983-02-16 1983-03-23 Howell M I Electromagnetic surveying of pipes and cables
GB2154006B (en) * 1984-02-03 1987-02-11 British Telecomm Depth sensor
US4843324A (en) * 1985-12-09 1989-06-27 R. Donald Plosser Apparatus for determining the location and distance to a concealed conductive structure
WO1990009601A1 (en) * 1989-02-13 1990-08-23 Radiodetection Limited Conductor tracing system
US5361029A (en) * 1990-06-18 1994-11-01 The Charles Machine Works, Inc. System for locating multiple concealed underground objects
GB9110427D0 (en) * 1991-05-14 1991-07-03 Howell Mark I Improved device and method for locating buried conductors

Also Published As

Publication number Publication date
DE69415303D1 (de) 1999-01-28
JPH08507144A (ja) 1996-07-30
US5754049A (en) 1998-05-19
EP0685078B1 (de) 1998-12-16
WO1994019708A1 (en) 1994-09-01
EP0685078A1 (de) 1995-12-06

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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