FR2003593A1 - - Google Patents

Info

Publication number
FR2003593A1
FR2003593A1 FR6906772A FR6906772A FR2003593A1 FR 2003593 A1 FR2003593 A1 FR 2003593A1 FR 6906772 A FR6906772 A FR 6906772A FR 6906772 A FR6906772 A FR 6906772A FR 2003593 A1 FR2003593 A1 FR 2003593A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6906772A
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.)
Smiths Detection Toronto Ltd
Original Assignee
Barringer Research 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 Barringer Research Ltd filed Critical Barringer Research Ltd
Publication of FR2003593A1 publication Critical patent/FR2003593A1/fr
Withdrawn legal-status Critical Current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
    • G01V3/15—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat
    • G01V3/17—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for use during transport, e.g. by a person, vehicle or boat operating with electromagnetic waves
    • 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
    • G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (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)
FR6906772A 1968-03-09 1969-03-10 Withdrawn FR2003593A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB01625/68A GB1261732A (en) 1968-03-09 1968-03-09 Electromagnetic exploration method and apparatus

Publications (1)

Publication Number Publication Date
FR2003593A1 true FR2003593A1 (fr) 1969-11-07

Family

ID=9989719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6906772A Withdrawn FR2003593A1 (fr) 1968-03-09 1969-03-10

Country Status (6)

Country Link
US (1) US3594633A (fr)
JP (2) JPS5017921B1 (fr)
DE (1) DE1911687C3 (fr)
FR (1) FR2003593A1 (fr)
GB (1) GB1261732A (fr)
SE (2) SE376312B (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3746978A (en) * 1971-08-02 1973-07-17 B Rogachev Apparatus for measuring electrical resistance of rocks by the amplitude method during geophysical mineral prospecting
US3801896A (en) * 1971-09-21 1974-04-02 Co D Applic Et De Diffusion De Method for determining the electrical resistivity of the subsoil by electromagnetic surface waves and apparatus for subsoil prospecting by measuring electromagnetic fields
US3876930A (en) * 1973-03-08 1975-04-08 Harold Oscar Seigel Induced polarization method for geophysical prospecting
US3936728A (en) * 1973-11-29 1976-02-03 Mcphar Geophysics Limited Method and means for investigating the distribution of electrical conductivity in the ground
JPS5827875B2 (ja) * 1976-01-29 1983-06-11 フイデラル ビジネス デイベロツプメント バンク 大地中の導電率分布を調査する方法および装置
US4079309A (en) * 1976-09-03 1978-03-14 The United States Of America As Represented By The Secretary Of The Navy Method for determining changes in earth resistivity by measuring phase difference between magnetic field components
US4258321A (en) * 1978-03-09 1981-03-24 Neale Jr Dory J Radio geophysical surveying method and apparatus
SE419269B (sv) * 1979-11-29 1981-07-20 Boliden Ab Forfarande och anordning for bestemning av markens elektriska ledningsformaga
US4419622A (en) * 1981-06-19 1983-12-06 The United States Of America As Represented By The Secretary Of The Army EM Sensor for determining impedance of EM field
US4639674A (en) * 1983-04-11 1987-01-27 Schonstedt Instrument Company Apparatus and method employing extraneous field compensation for locating current-carrying objects
GB2174203B (en) * 1985-04-19 1988-11-16 Plessey Co Plc Underground cable detectors
US5777476A (en) * 1995-12-08 1998-07-07 Papadopoulos; Konstantinos Ground global tomography (CGT) using modulation of the ionospheric electrojets
US6963301B2 (en) * 2002-08-19 2005-11-08 G-Track Corporation System and method for near-field electromagnetic ranging
US7414571B2 (en) * 2002-08-19 2008-08-19 Q-Track Corporation Low frequency asset tag tracking system and method
US7307595B2 (en) * 2004-12-21 2007-12-11 Q-Track Corporation Near field location system and method
US7298314B2 (en) * 2002-08-19 2007-11-20 Q-Track Corporation Near field electromagnetic positioning system and method
CN107843874B (zh) * 2017-10-31 2020-04-21 北京科技大学 一种煤岩动力灾害前兆电磁辐射定位煤岩主破裂的方法
CN113848374A (zh) * 2021-10-22 2021-12-28 云南电网有限责任公司电力科学研究院 一种考虑地球曲率半径影响的超远距离雷电强度反演算法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2268106A (en) * 1939-05-13 1941-12-30 Standard Oil Dev Co Radio wave prospecting
US2642477A (en) * 1947-09-08 1953-06-16 Puranen Maunu Method for inductive prospecting
US2677801A (en) * 1950-10-06 1954-05-04 Centre Nat Rech Scient Geophysical exploration method
US2931973A (en) * 1957-10-24 1960-04-05 Canadian Airborne Geophysics L Electromagnetic exploration method
SU118562A1 (ru) * 1958-07-15 1958-11-30 А.М. Алексеев Устройство дл частотного электромагнитного зондировани при электрической разведке полезных ископаемых
US3087111A (en) * 1959-07-31 1963-04-23 Space General Corp Geophysical exploration apparatus
FR1443930A (fr) * 1965-03-05 1966-07-01 Centre Nat Rech Scient Dispositif de mesure, applicable en particulier à la prospection magnéto-tellurique
US3389331A (en) * 1965-08-03 1968-06-18 Vexler Vladimir Iljich Device for electromagnetic exploration with the help of a natural field

Also Published As

Publication number Publication date
US3594633A (en) 1971-07-20
GB1261732A (en) 1972-01-26
DE1966639B2 (de) 1975-08-14
DE1911687C3 (de) 1974-07-11
JPS5344121B1 (fr) 1978-11-27
JPS5017921B1 (fr) 1975-06-25
SE355418B (fr) 1973-04-16
DE1911687B2 (de) 1973-12-13
SE376312B (fr) 1975-05-12
DE1966639A1 (de) 1973-08-16
DE1911687A1 (de) 1969-09-18

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Legal Events

Date Code Title Description
ST Notification of lapse