GB2469433B - A passive method and system for detecting, locating and identifying objects having magnetic properties - Google Patents

A passive method and system for detecting, locating and identifying objects having magnetic properties

Info

Publication number
GB2469433B
GB2469433B GB8905899A GB8905899A GB2469433B GB 2469433 B GB2469433 B GB 2469433B GB 8905899 A GB8905899 A GB 8905899A GB 8905899 A GB8905899 A GB 8905899A GB 2469433 B GB2469433 B GB 2469433B
Authority
GB
United Kingdom
Prior art keywords
locating
detecting
magnetic properties
identifying objects
passive method
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
GB8905899A
Other versions
GB2469433A (en
GB8905899D0 (en
Inventor
Jacques Devaud
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.)
Thales Avionics SAS
Original Assignee
Crouzet SA
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 Crouzet SA filed Critical Crouzet SA
Anticipated expiration legal-status Critical
Publication of GB8905899D0 publication Critical patent/GB8905899D0/en
Publication of GB2469433A publication Critical patent/GB2469433A/en
Application granted granted Critical
Publication of GB2469433B publication Critical patent/GB2469433B/en
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
    • G01V3/081—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 the magnetic field is produced by the objects or geological structures
    • 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
    • G01V3/38—Processing data, e.g. for analysis, for interpretation, for correction

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)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB8905899A 1988-03-22 1989-03-15 A passive method and system for detecting, locating and identifying objects having magnetic properties Expired - Lifetime GB2469433B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8803852A FR2778746A1 (en) 1988-03-22 1988-03-22 Detection, location and identification of magnetic objects, using transducer in relative motion

Publications (3)

Publication Number Publication Date
GB8905899D0 GB8905899D0 (en) 2010-02-24
GB2469433A GB2469433A (en) 2010-10-20
GB2469433B true GB2469433B (en) 2011-03-16

Family

ID=9364595

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8905899A Expired - Lifetime GB2469433B (en) 1988-03-22 1989-03-15 A passive method and system for detecting, locating and identifying objects having magnetic properties

Country Status (4)

Country Link
FR (1) FR2778746A1 (en)
GB (1) GB2469433B (en)
IT (1) IT8967193A0 (en)
SE (1) SE8900957D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2794698C1 (en) * 2022-04-13 2023-04-24 Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ Method for detecting electromagnetic geophysical disturbances from moving sources

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103926625B (en) * 2014-04-18 2016-09-14 哈尔滨工程大学 One utilizes geomagnetic total field to the remote localization method of magnetic target with high precision under water
GB201911009D0 (en) 2019-08-01 2019-09-18 Matrasens Ltd Ferrmagnetic Sensing
CN114547830B (en) * 2020-11-25 2023-07-04 中国船舶重工集团公司第七六0研究所 Underwater target detection and positioning method based on grassland wolf jump tracking mechanism

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710708A (en) * 1981-04-27 1987-12-01 Develco Method and apparatus employing received independent magnetic field components of a transmitted alternating magnetic field for determining location

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2794698C1 (en) * 2022-04-13 2023-04-24 Российская Федерация, от имени которой выступает ФОНД ПЕРСПЕКТИВНЫХ ИССЛЕДОВАНИЙ Method for detecting electromagnetic geophysical disturbances from moving sources

Also Published As

Publication number Publication date
FR2778746A1 (en) 1999-11-19
GB2469433A (en) 2010-10-20
SE8900957D0 (en) 1989-03-17
IT8967193A0 (en) 1989-03-21
GB8905899D0 (en) 2010-02-24

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20090314