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FR2658922B1 - Dispositif de detection de corps contenant un metal. - Google Patents

Dispositif de detection de corps contenant un metal.

Info

Publication number
FR2658922B1
FR2658922B1 FR9002370A FR9002370A FR2658922B1 FR 2658922 B1 FR2658922 B1 FR 2658922B1 FR 9002370 A FR9002370 A FR 9002370A FR 9002370 A FR9002370 A FR 9002370A FR 2658922 B1 FR2658922 B1 FR 2658922B1
Authority
FR
France
Prior art keywords
detection device
containing metal
body detection
device containing
metal
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
FR9002370A
Other languages
English (en)
Other versions
FR2658922A1 (fr
Inventor
Mikhailovich Mamontov Jury
Jurievich Danilov Vladimir
Alexandrovich Trukhlin Boris
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.)
INZH TSV
Original Assignee
INZH TSV
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 to GB9003892A priority Critical patent/GB2241332A/en
Priority to US07/484,428 priority patent/US5039946A/en
Priority to DE4005817A priority patent/DE4005817A1/de
Application filed by INZH TSV filed Critical INZH TSV
Priority to FR9002370A priority patent/FR2658922B1/fr
Publication of FR2658922A1 publication Critical patent/FR2658922A1/fr
Application granted granted Critical
Publication of FR2658922B1 publication Critical patent/FR2658922B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08Electric 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
    • G01V3/10Electric 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
    • G01V3/104Electric 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
    • G01V3/108Electric 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 the emitter and the receiver coils or loops being uncoupled by positioning them perpendicularly to each other

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)
FR9002370A 1990-02-26 1990-02-26 Dispositif de detection de corps contenant un metal. Expired - Fee Related FR2658922B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9003892A GB2241332A (en) 1990-02-26 1990-02-21 Metalliferous objects detector
US07/484,428 US5039946A (en) 1990-02-26 1990-02-23 Metalliferous objects detector having a pair of angularly positioned driving loops and a pair of parallel, coaxial receiving loops
DE4005817A DE4005817A1 (de) 1990-02-26 1990-02-23 Einrichtung zur erkennung von metallhaltigen objekten
FR9002370A FR2658922B1 (fr) 1990-02-26 1990-02-26 Dispositif de detection de corps contenant un metal.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9002370A FR2658922B1 (fr) 1990-02-26 1990-02-26 Dispositif de detection de corps contenant un metal.

Publications (2)

Publication Number Publication Date
FR2658922A1 FR2658922A1 (fr) 1991-08-30
FR2658922B1 true FR2658922B1 (fr) 1992-07-10

Family

ID=9394142

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9002370A Expired - Fee Related FR2658922B1 (fr) 1990-02-26 1990-02-26 Dispositif de detection de corps contenant un metal.

Country Status (4)

Country Link
US (1) US5039946A (fr)
DE (1) DE4005817A1 (fr)
FR (1) FR2658922B1 (fr)
GB (1) GB2241332A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5506506A (en) * 1992-01-14 1996-04-09 Halcro Nominees Pty Ltd. Metal detector for detecting and discriminating between ferrous and non-ferrous targets in ground
GB2292859B (en) * 1994-08-27 1997-11-05 Roke Manor Research Improvements in or relating to buried object detection systems
US5969528A (en) * 1998-01-22 1999-10-19 Garrett Electronics, Inc. Dual field metal detector
US7649356B2 (en) * 2002-12-18 2010-01-19 White's Electronics, Inc. Pulse induction metal detector having high energy efficiency and sensitivity
US9684090B1 (en) * 2013-12-23 2017-06-20 SeeScan, Inc. Nulled-signal utility locating devices, systems, and methods

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB827527A (en) * 1955-12-21 1960-02-03 Rank Cintel Ltd Improvements in or relating to metal or like detector apparatus
DE2530589A1 (de) * 1975-07-09 1977-01-27 Prakla Seismos Gmbh Verfahren und anordnung zur ueberwachung von rohrleitungen und dergleichen
FR2353068A1 (fr) * 1976-05-24 1977-12-23 Intersub Dev Sa Appareil de reperage d'un objet metallique allonge
GB2004069B (en) * 1977-08-20 1982-04-21 Plessey Co Ltd Metal detectors
US4255710A (en) * 1978-05-19 1981-03-10 Weber Harold J Plural search frequency directional metal detector apparatus having enhanced sensitivity
SU1190330A1 (ru) * 1984-02-28 1985-11-07 Специальное проектно-конструкторское бюро "Проектнефтегазспецмонтаж" Металлоискатель

Also Published As

Publication number Publication date
GB2241332A (en) 1991-08-28
US5039946A (en) 1991-08-13
FR2658922A1 (fr) 1991-08-30
GB9003892D0 (en) 1990-04-18
DE4005817A1 (de) 1991-08-29

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Legal Events

Date Code Title Description
ST Notification of lapse