NL7606428A - DEVICE FOR DETERMINING THE PRESENCE OF UNDERGROUND PIPES OR CABLES. - Google Patents

DEVICE FOR DETERMINING THE PRESENCE OF UNDERGROUND PIPES OR CABLES.

Info

Publication number
NL7606428A
NL7606428A NL7606428A NL7606428A NL7606428A NL 7606428 A NL7606428 A NL 7606428A NL 7606428 A NL7606428 A NL 7606428A NL 7606428 A NL7606428 A NL 7606428A NL 7606428 A NL7606428 A NL 7606428A
Authority
NL
Netherlands
Prior art keywords
cables
determining
underground pipes
underground
pipes
Prior art date
Application number
NL7606428A
Other languages
Dutch (nl)
Original Assignee
Electrolocation 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
Application filed by Electrolocation Ltd filed Critical Electrolocation Ltd
Publication of NL7606428A publication Critical patent/NL7606428A/en

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
    • 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
    • G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
    • G01V3/06—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current using ac

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Electromagnetism (AREA)
  • Geophysics And Detection Of Objects (AREA)
NL7606428A 1975-06-14 1976-06-14 DEVICE FOR DETERMINING THE PRESENCE OF UNDERGROUND PIPES OR CABLES. NL7606428A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25485/75A GB1509380A (en) 1975-06-14 1975-06-14 Underground metal pipe or cable location

Publications (1)

Publication Number Publication Date
NL7606428A true NL7606428A (en) 1976-12-16

Family

ID=10228467

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7606428A NL7606428A (en) 1975-06-14 1976-06-14 DEVICE FOR DETERMINING THE PRESENCE OF UNDERGROUND PIPES OR CABLES.

Country Status (8)

Country Link
JP (1) JPS588477B2 (en)
AU (1) AU1492476A (en)
BE (1) BE842931A (en)
DE (1) DE2626532C2 (en)
FR (1) FR2314507A1 (en)
GB (1) GB1509380A (en)
NL (1) NL7606428A (en)
SE (1) SE7606703L (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3482902D1 (en) * 1983-01-20 1990-09-13 Scopemoor Ltd BURNED ITEM DETECTOR.
GB2174203B (en) * 1985-04-19 1988-11-16 Plessey Co Plc Underground cable detectors
GB2215063A (en) * 1988-02-18 1989-09-13 Tokyo Gas Co Ltd Detecting buried conductors
US5361029A (en) * 1990-06-18 1994-11-01 The Charles Machine Works, Inc. System for locating multiple concealed underground objects
JPH0370963U (en) * 1990-11-05 1991-07-17
GB9110427D0 (en) * 1991-05-14 1991-07-03 Howell Mark I Improved device and method for locating buried conductors
GB9409431D0 (en) * 1994-05-11 1994-06-29 British Gas Plc Method and apparatus for locating a buried element
DE19518420C2 (en) * 1995-05-19 1998-01-02 Diether Alfred Schroeder Circuit arrangement for use in a geophysical prospecting process
US7671576B2 (en) 2008-03-06 2010-03-02 Zircon Corporation Ratiometric AC wire tracer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR960966A (en) * 1950-04-28
JPS5148805Y2 (en) * 1971-12-02 1976-11-25

Also Published As

Publication number Publication date
AU1492476A (en) 1977-12-22
JPS5231766A (en) 1977-03-10
SE7606703L (en) 1976-12-15
BE842931A (en) 1976-10-01
DE2626532A1 (en) 1976-12-30
JPS588477B2 (en) 1983-02-16
GB1509380A (en) 1978-05-04
FR2314507B3 (en) 1979-03-02
DE2626532C2 (en) 1984-10-31
FR2314507A1 (en) 1977-01-07

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Legal Events

Date Code Title Description
BV The patent application has lapsed