SE7606703L - Instrument for att faststella nervaro eller franvaro av en nedgrevd kabel eller ett nedgrevt ror - Google Patents

Instrument for att faststella nervaro eller franvaro av en nedgrevd kabel eller ett nedgrevt ror

Info

Publication number
SE7606703L
SE7606703L SE7606703A SE7606703A SE7606703L SE 7606703 L SE7606703 L SE 7606703L SE 7606703 A SE7606703 A SE 7606703A SE 7606703 A SE7606703 A SE 7606703A SE 7606703 L SE7606703 L SE 7606703L
Authority
SE
Sweden
Prior art keywords
mind
nervaro
instrument
absence
determining
Prior art date
Application number
SE7606703A
Other languages
English (en)
Inventor
M I Howell
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 SE7606703L publication Critical patent/SE7606703L/sv

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
SE7606703A 1975-06-14 1976-06-11 Instrument for att faststella nervaro eller franvaro av en nedgrevd kabel eller ett nedgrevt ror SE7606703L (sv)

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
SE7606703L true SE7606703L (sv) 1976-12-15

Family

ID=10228467

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7606703A SE7606703L (sv) 1975-06-14 1976-06-11 Instrument for att faststella nervaro eller franvaro av en nedgrevd kabel eller ett nedgrevt ror

Country Status (8)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3482902D1 (de) * 1983-01-20 1990-09-13 Scopemoor Ltd Detektor fuer vergrabene gegenstaende.
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 (sv) * 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 (de) * 1995-05-19 1998-01-02 Diether Alfred Schroeder Schaltungsanordnung zur Verwendung in einem geophysikalischen Prospektionsverfahren
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 (sv) * 1950-04-28
JPS5148805Y2 (sv) * 1971-12-02 1976-11-25

Also Published As

Publication number Publication date
JPS5231766A (en) 1977-03-10
BE842931A (fr) 1976-10-01
NL7606428A (nl) 1976-12-16
JPS588477B2 (ja) 1983-02-16
FR2314507A1 (fr) 1977-01-07
DE2626532A1 (de) 1976-12-30
FR2314507B3 (sv) 1979-03-02
DE2626532C2 (de) 1984-10-31
GB1509380A (en) 1978-05-04
AU1492476A (en) 1977-12-22

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