GB2156632B - A search device for localizing subterranean resonant fixpoint markers - Google Patents

A search device for localizing subterranean resonant fixpoint markers

Info

Publication number
GB2156632B
GB2156632B GB08507912A GB8507912A GB2156632B GB 2156632 B GB2156632 B GB 2156632B GB 08507912 A GB08507912 A GB 08507912A GB 8507912 A GB8507912 A GB 8507912A GB 2156632 B GB2156632 B GB 2156632B
Authority
GB
United Kingdom
Prior art keywords
fixpoint
localizing
subterranean
resonant
markers
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
Application number
GB08507912A
Other versions
GB8507912D0 (en
GB2156632A (en
Inventor
Willy Palle Pedersen
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.)
Individual
Original Assignee
Individual
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 claimed from DK342983A external-priority patent/DK342983D0/en
Priority claimed from DK126684A external-priority patent/DK126684D0/en
Application filed by Individual filed Critical Individual
Publication of GB8507912D0 publication Critical patent/GB8507912D0/en
Publication of GB2156632A publication Critical patent/GB2156632A/en
Application granted granted Critical
Publication of GB2156632B publication Critical patent/GB2156632B/en
Expired 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
GB08507912A 1983-07-27 1984-07-27 A search device for localizing subterranean resonant fixpoint markers Expired GB2156632B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DK342983A DK342983D0 (en) 1983-07-27 1983-07-27 SEARCH APPLIANCE
DK126684A DK126684D0 (en) 1984-02-29 1984-02-29 VIEWING EQUIPMENT, FOR ACCURATE SEARCH OF NECESSALLY UNDERGROUND LOCATION PROBLEMS WITH USED ELECTROMAGNETIC FIELD
PCT/DK1984/000072 WO1985000666A1 (en) 1983-07-27 1984-07-27 A search device for localizing subterranean resonant fixpoint markers

Publications (3)

Publication Number Publication Date
GB8507912D0 GB8507912D0 (en) 1985-05-01
GB2156632A GB2156632A (en) 1985-10-09
GB2156632B true GB2156632B (en) 1987-02-18

Family

ID=26065493

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08507912A Expired GB2156632B (en) 1983-07-27 1984-07-27 A search device for localizing subterranean resonant fixpoint markers

Country Status (6)

Country Link
EP (1) EP0153339A1 (en)
AU (1) AU3217184A (en)
DK (1) DK137385A (en)
GB (1) GB2156632B (en)
NO (1) NO851237L (en)
WO (1) WO1985000666A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1993021544A1 (en) * 1992-04-10 1993-10-28 Willy Palle Pedersen A marker system with markers of the electromagnetical type, and a marker and a detector therefor
GB0124887D0 (en) 2001-10-17 2001-12-05 Qinetiq Ltd Metal detection apparatus

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2167490A (en) * 1937-05-07 1939-07-25 Henry B Burr Apparatus for locating concealed conductive bodies
US2807777A (en) * 1945-05-24 1957-09-24 Doll Henri-Georges Coil assembly for geophysical prospecting
US2931973A (en) * 1957-10-24 1960-04-05 Canadian Airborne Geophysics L Electromagnetic exploration method
IE53476B1 (en) * 1981-10-08 1988-11-23 Pedersen Willy Palle A marker for substerranean marking and a novel application for such a marker

Also Published As

Publication number Publication date
DK137385D0 (en) 1985-03-27
DK137385A (en) 1985-03-27
GB8507912D0 (en) 1985-05-01
GB2156632A (en) 1985-10-09
AU3217184A (en) 1985-03-04
WO1985000666A1 (en) 1985-02-14
EP0153339A1 (en) 1985-09-04
NO851237L (en) 1985-03-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee