DE69410235D1 - Vorrichtung zum aufspueren von unterirdischen leitern - Google Patents

Vorrichtung zum aufspueren von unterirdischen leitern

Info

Publication number
DE69410235D1
DE69410235D1 DE69410235T DE69410235T DE69410235D1 DE 69410235 D1 DE69410235 D1 DE 69410235D1 DE 69410235 T DE69410235 T DE 69410235T DE 69410235 T DE69410235 T DE 69410235T DE 69410235 D1 DE69410235 D1 DE 69410235D1
Authority
DE
Germany
Prior art keywords
ladders
detecting underground
underground
detecting
underground ladders
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 - Lifetime
Application number
DE69410235T
Other languages
English (en)
Other versions
DE69410235T2 (de
Inventor
Ziyad Doany
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Application granted granted Critical
Publication of DE69410235D1 publication Critical patent/DE69410235D1/de
Publication of DE69410235T2 publication Critical patent/DE69410235T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
DE69410235T 1993-01-29 1994-01-14 Vorrichtung zum aufspueren von unterirdischen leitern Expired - Lifetime DE69410235T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/011,383 US5471143A (en) 1993-01-29 1993-01-29 Apparatus for locating buried conductors using phase-shifted signals
PCT/US1994/000527 WO1994017429A1 (en) 1993-01-29 1994-01-14 Apparatus for locating buried conductors

Publications (2)

Publication Number Publication Date
DE69410235D1 true DE69410235D1 (de) 1998-06-18
DE69410235T2 DE69410235T2 (de) 1998-11-19

Family

ID=21750141

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69410235T Expired - Lifetime DE69410235T2 (de) 1993-01-29 1994-01-14 Vorrichtung zum aufspueren von unterirdischen leitern

Country Status (7)

Country Link
US (1) US5471143A (de)
EP (1) EP0681706B1 (de)
JP (1) JP3025556U (de)
CN (1) CN1037550C (de)
CA (1) CA2151743C (de)
DE (1) DE69410235T2 (de)
WO (1) WO1994017429A1 (de)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6417666B1 (en) * 1991-03-01 2002-07-09 Digital Control, Inc. Boring tool tracking system and method using magnetic locating signal and wire-in-pipe data
US5929624A (en) * 1994-03-23 1999-07-27 Electricite De France Method and apparatus for detecting electric cables
US5592092A (en) * 1994-10-28 1997-01-07 Gas Research Institute Pipe proximity warning device for accidental damage prevention mounted on the bucket of a backhoe
US6215888B1 (en) * 1998-06-10 2001-04-10 At&T Corp. Cable location method and apparatus using modeling data
US6633163B2 (en) * 1999-04-28 2003-10-14 Radiodetection Limited Apparatus and method for detecting an underground cable while operating a piece of machinery
US6211807B1 (en) 1999-05-26 2001-04-03 Geometrics System using spread spectrum modulation for locating underground objects
US6617855B2 (en) * 2000-03-24 2003-09-09 Radiodetection Limited Pipeline mapping and interrupter therefor
PL206300B1 (pl) * 2001-03-07 2010-07-30 T Mobile Deutschland Gmbht Mobile Deutschland Gmbh Sposób poprawy jakości mowy na przezroczystych kodowo trasach telekomunikacyjnych oraz układ do stosowania tego sposobu
US6999021B2 (en) 2001-03-12 2006-02-14 Ensco, Inc. Method and apparatus for detecting, mapping and locating underground utilities
US6529006B1 (en) 2001-10-31 2003-03-04 Paul Hayes Method and apparatus for resolving the position and identity of buried conductive bodies
US6825793B2 (en) 2002-03-01 2004-11-30 Ensco, Inc. System and method for detecting and locating underground objects
DE10219110A1 (de) * 2002-04-29 2003-11-06 Klaus Ebinger Verfahren und Vorrichtung zum Detektieren von Uhrwerken
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
US7151375B2 (en) * 2005-04-13 2006-12-19 Marlin Technology, Inc. Distinguishing false signals in cable locating
US10024994B1 (en) 2006-07-18 2018-07-17 SeeScan, Inc. Wearable magnetic field utility locator system with sound field generation
US8060304B2 (en) 2007-04-04 2011-11-15 Certusview Technologies, Llc Marking system and method
US8473209B2 (en) 2007-03-13 2013-06-25 Certusview Technologies, Llc Marking apparatus and marking methods using marking dispenser with machine-readable ID mechanism
US9086277B2 (en) 2007-03-13 2015-07-21 Certusview Technologies, Llc Electronically controlled marking apparatus and methods
US7640105B2 (en) 2007-03-13 2009-12-29 Certus View Technologies, LLC Marking system and method with location and/or time tracking
US7898456B2 (en) * 2008-02-19 2011-03-01 Prairielands Energy Marketing Inc. Apparatus and method for detecting and locating hidden objects
GB2457956B (en) * 2008-02-29 2012-03-28 Radiodetection Ltd System for and method of detecting a buried conductor
US8280631B2 (en) 2008-10-02 2012-10-02 Certusview Technologies, Llc Methods and apparatus for generating an electronic record of a marking operation based on marking device actuations
US8965700B2 (en) 2008-10-02 2015-02-24 Certusview Technologies, Llc Methods and apparatus for generating an electronic record of environmental landmarks based on marking device actuations
US8442766B2 (en) 2008-10-02 2013-05-14 Certusview Technologies, Llc Marking apparatus having enhanced features for underground facility marking operations, and associated methods and systems
AU2009300322C1 (en) 2008-10-02 2013-10-17 Certusview Technologies, Llc Methods and apparatus for generating electronic records of locate operations
GB2464279B (en) * 2008-10-07 2012-10-24 Thales Holdings Uk Plc Detection of a buried electric wire
CA2897462A1 (en) 2009-02-11 2010-05-04 Certusview Technologies, Llc Management system, and associated methods and apparatus, for providing automatic assessment of a locate operation
CA2710269C (en) 2009-08-11 2012-05-22 Certusview Technologies, Llc Locating equipment communicatively coupled to or equipped with a mobile/portable device
CA2710189C (en) 2009-08-20 2012-05-08 Certusview Technologies, Llc Methods and apparatus for assessing marking operations based on acceleration information
US9097522B2 (en) 2009-08-20 2015-08-04 Certusview Technologies, Llc Methods and marking devices with mechanisms for indicating and/or detecting marking material color
CA2713282C (en) 2009-08-20 2013-03-19 Certusview Technologies, Llc Marking device with transmitter for triangulating location during marking operations
USD643321S1 (en) 2010-03-01 2011-08-16 Certusview Technologies, Llc Marking device
USD634657S1 (en) 2010-03-01 2011-03-22 Certusview Technologies, Llc Paint holder of a marking device
USD634655S1 (en) 2010-03-01 2011-03-22 Certusview Technologies, Llc Handle of a marking device
USD634656S1 (en) 2010-03-01 2011-03-22 Certusview Technologies, Llc Shaft of a marking device
US8298382B2 (en) 2010-12-15 2012-10-30 Abriox Limited Apparatus for use with metallic structures
CN102565862B (zh) * 2011-12-16 2013-11-20 朱德兵 一种瞬变电磁响应信号梯度测量方法及观测装置
USD684067S1 (en) 2012-02-15 2013-06-11 Certusview Technologies, Llc Modular marking device
US9651341B2 (en) * 2013-03-14 2017-05-16 The United States Of America, As Represented By The Secretary Of The Navy System for the detection and classification of buried unexploded ordnance
GB2504374B (en) * 2013-05-10 2014-06-18 Scope Internat Ltd C Apparatus for detecting a concealed conductor
CN104459761B (zh) * 2014-12-01 2017-05-17 国网上海市电力公司 采用超声波回馈定位的防误挖地下电缆
CN107806817A (zh) * 2017-11-30 2018-03-16 宁波市鄞州磁泰电子科技有限公司 一种渗碳层厚度的检测装置及方法

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2252059A (en) * 1936-12-24 1941-08-12 Siemens App Und Maschinen Gmbh Method and a device for determining the magnitudes of magnetic fields
US2921179A (en) * 1958-11-20 1960-01-12 Air Reduction Electromagnetically locating and following workpart configurations
JPS499388B1 (de) * 1968-05-25 1974-03-04
US3729675A (en) * 1970-02-13 1973-04-24 R Vosteen High level non-contacting dynamic voltage follower for voltage measurement of electrostatically charged surfaces
US3808519A (en) * 1972-06-13 1974-04-30 Commissariat Energie Atomique Method and device for determining the depth of a magnetic anomaly
US3860866A (en) * 1973-05-04 1975-01-14 Western Electric Co Methods and apparatus for locating an open section in a conductor
US4990852A (en) * 1973-09-07 1991-02-05 United States Of America As Represented By The Secretary Of The Navy Automatic classifier for electric wire detector
US3889179A (en) * 1974-01-21 1975-06-10 Cranleigh Electro Thermal Inc Directional pickup coil and oscillator apparatus for the location of buried electrically conducting elements
US3988663A (en) * 1975-03-19 1976-10-26 Texaco Inc. Locator for metallic pipe with AC signals impressed
GB1509914A (en) * 1975-05-23 1978-05-04 Electrolocation Ltd Detector systems for electromagnetic surveying
US4119908A (en) * 1975-11-28 1978-10-10 A. P. C. Industries, Inc. Method for locating buried markers which are disposed along the path of an underground conductor
FR2353068A1 (fr) * 1976-05-24 1977-12-23 Intersub Dev Sa Appareil de reperage d'un objet metallique allonge
US4134061A (en) * 1977-02-02 1979-01-09 Gudgel Howard S Pipe current detector with plural magnetic flux detectors
DE2752027A1 (de) * 1977-11-22 1979-05-23 Bosch Gmbh Robert Anordnung zum spurfuehren eines gleisfreien fahrzeuges
US4220913A (en) * 1978-05-23 1980-09-02 Electrolocation Limited Apparatus for and methods of electromagnetic surveying of elongated underground conductors
GB2041531B (en) * 1979-01-29 1983-09-14 British Gas Corp Detecting inaccessible objects
EP0024183A1 (de) * 1979-08-18 1981-02-25 Geodate Limited Verfahren zum Entdecken von Fehlern in der elektrisch leitenden Bewehrung eines Kabels
US4427942A (en) * 1980-04-29 1984-01-24 Electrolocation Limited Concealed electrical conductor detecting system
US4520317A (en) * 1980-07-31 1985-05-28 Metrotech, Inc. Apparatus including a pair of automatic gain controlled amplifiers for determining the lateral direction to a concealed conductive object
US4387340A (en) * 1980-07-31 1983-06-07 Metrotech, Inc. Apparatus for determining the distance to a concealed conductive object which is radiating an alternating current signal
US4390836A (en) * 1980-08-11 1983-06-28 Marathon Oil Company Method and apparatus for the detection of pipeline holidays
US4458204A (en) * 1981-09-10 1984-07-03 Weber Harold J Frequency dependent pulsed gain modulated concealed structure locator
HU185723B (en) * 1982-07-09 1985-03-28 Laszlo Szedlmajer Method and apparatus for determining the track and depth of under grund lines
GB8304330D0 (en) * 1983-02-16 1983-03-23 Howell M I Electromagnetic surveying of pipes and cables
US4639674A (en) * 1983-04-11 1987-01-27 Schonstedt Instrument Company Apparatus and method employing extraneous field compensation for locating current-carrying objects
US4542344A (en) * 1983-09-02 1985-09-17 Corrosion Logging Service International Detecting buried pipeline depth and location with electromagnetic triangulation
DE3334548A1 (de) * 1983-09-23 1985-04-04 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Verfahren und vorrichtung zur spurfuehrung eines gleislosen fahrzeuges
US4686454A (en) * 1984-08-22 1987-08-11 Pasar, Inc. Conductor tracer with improved open circuit detection, close-range discrimination and directionality
US4843324A (en) * 1985-12-09 1989-06-27 R. Donald Plosser Apparatus for determining the location and distance to a concealed conductive structure
US4767237A (en) * 1986-08-26 1988-08-30 Minnesota Mining And Manufacturing Company Marking tape with wire conductors and methods for use
US5093622A (en) * 1989-03-17 1992-03-03 Minnesota Mining And Manufacturing Company Method and apparatus for determining direction to and position of an underground conductor
US5001430A (en) * 1989-06-05 1991-03-19 Heath Consultants, Inc. Apparatus for locating concealed electrical conductors
GB8914898D0 (en) * 1989-06-29 1989-08-23 Radiodetection Ltd Improvements relating to cable fault tracing systems
US4942365A (en) * 1989-07-24 1990-07-17 Teltest Electronics Laboratories, Inc. Synchronous phase and/or frequency detection system
US5119028A (en) * 1990-04-26 1992-06-02 Grumman Aerospace Corporation Method and system for determining the depth of an electrically conductive body in a medium having a known conductivity and a known permeability by measuring phase difference between a primary and secondary magnetic field

Also Published As

Publication number Publication date
JP3025556U (ja) 1996-06-21
CA2151743A1 (en) 1994-08-04
US5471143A (en) 1995-11-28
EP0681706B1 (de) 1998-05-13
DE69410235T2 (de) 1998-11-19
CA2151743C (en) 2003-09-23
WO1994017429A1 (en) 1994-08-04
CN1037550C (zh) 1998-02-25
CN1117316A (zh) 1996-02-21
EP0681706A1 (de) 1995-11-15

Similar Documents

Publication Publication Date Title
DE69410235T2 (de) Vorrichtung zum aufspueren von unterirdischen leitern
DE69420205D1 (de) Vorrichtung zum Erfassen von Lecks
DE69411321T2 (de) Vorrichtung zum Nachweis von Fluoreszenz
DE69408345D1 (de) Vorrichtung zum Ausrichten von Behältern
DE69521073T2 (de) Vorrichtung zum Feststellen von Aquaplaning
DE69423318T2 (de) Vorrichtung zum Darstellen von Untertiteln
DE69417504D1 (de) Vorrichtung zum nachweis von oberflächenfehlern
DE69402856D1 (de) Vorrichtung zum füllen von briefumschlägen
DE69403547T2 (de) Vorrichtung zum Anbringen von Ausgiessern
DE69510447T2 (de) Vorrichtung zum auffinden von verdekten bolzen
DE59404744D1 (de) Vorrichtung zum verpacken von würsten
DE69728065D1 (de) Vorrichtung zum nachweis von karies
DE69307394D1 (de) Vorrichtung zum Unterscheiden von Banknoten
DE69314252T2 (de) Vorrichtung zum Nachweis von Fehlern
DE59509364D1 (de) Optoelektronische vorrichtung zum erkennen von kontrastmarken
DE69401121D1 (de) Vorrichtung zum bestimmen der kontrast-empfindlichkeit
DE59402015D1 (de) Vorrichtung zum Querperforieren
DE59509321D1 (de) Optoelektronische vorrichtung zum erkennen von kontrastmarken
DE69400735D1 (de) Vorrichtung zum Anbringen von Dichtungen
DE59401267D1 (de) Vorrichtung zum prüfen von zigaretten
ATA76294A (de) Vorrichtung zum einleiten von sichtbaren vorrichtung zum einleiten von sichtbaren dämpfen dämpfen
DE69207621D1 (de) Vorrichtung zum Aufbau von Reifen
DE59506272D1 (de) Vorrichtung zum Erfassen von Zündsignalen
DE69517113D1 (de) Warnvorrichtung zum Erkennen von unterirdischen Bauwerken
DE69417038D1 (de) Gerät zum öffnen von kartons

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: PAE REINHARD, SKUHRA, WEISE & PARTNER GBR, 80801 M