FI51135B - - Google Patents

Info

Publication number
FI51135B
FI51135B FI1612/67A FI161267A FI51135B FI 51135 B FI51135 B FI 51135B FI 1612/67 A FI1612/67 A FI 1612/67A FI 161267 A FI161267 A FI 161267A FI 51135 B FI51135 B FI 51135B
Authority
FI
Finland
Application number
FI1612/67A
Other versions
FI51135C (fi
Inventor
Vaino Ronka
Original Assignee
Geonics 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 Geonics Ltd filed Critical Geonics Ltd
Application granted granted Critical
Publication of FI51135B publication Critical patent/FI51135B/fi
Publication of FI51135C publication Critical patent/FI51135C/fi

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)
FI671612A 1966-06-09 1967-06-08 Sähkömagneettinen malminetsintälaite. FI51135C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA962480 1966-06-09

Publications (2)

Publication Number Publication Date
FI51135B true FI51135B (fi) 1976-06-30
FI51135C FI51135C (fi) 1976-10-11

Family

ID=4142553

Family Applications (1)

Application Number Title Priority Date Filing Date
FI671612A FI51135C (fi) 1966-06-09 1967-06-08 Sähkömagneettinen malminetsintälaite.

Country Status (3)

Country Link
US (1) US3500175A (fi)
FI (1) FI51135C (fi)
SE (1) SE323153B (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763419A (en) * 1969-03-06 1973-10-02 Barringer Research Ltd Geophysical exploration method using the vertical electric component of a vlf field as a reference
US3614600A (en) * 1969-07-31 1971-10-19 Geonics Ltd Electromagnetic prospecting apparatus for detecting electrically or magnetically responsive ore bodies
US3866111A (en) * 1973-07-18 1975-02-11 Exxon Production Research Co Method of mineral exploration by detecting electromagnetic energy at power line frequency
US4388592A (en) * 1980-06-24 1983-06-14 Schonstedt Instrument Company Multiaxis magnetometer apparatus with orthogonally disposed rectangular housings for mounting separate sensor assemblies
US4639674A (en) * 1983-04-11 1987-01-27 Schonstedt Instrument Company Apparatus and method employing extraneous field compensation for locating current-carrying objects
US5175500A (en) * 1990-08-01 1992-12-29 Geonics Limited Method and apparatus for surveying terrain resistivity utilizing available VFL electromagnetic fields
DE4133863A1 (de) * 1991-10-12 1993-04-15 Falko Dr Kuhnke Radio-widerstandsmessgeraet
US7262602B2 (en) * 2005-07-08 2007-08-28 David Gary Meyer Active geophysical prospecting system
US10393909B2 (en) * 2016-10-11 2019-08-27 Arizona Board Of Regents On Behalf Of The University Of Arizona Differential target antenna coupling (“DTAC”) data corrections

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123766A (en) * 1964-03-03 Airborne electromagnetic prospecting apparatus having
US2268106A (en) * 1939-05-13 1941-12-30 Standard Oil Dev Co Radio wave prospecting
US2471105A (en) * 1943-07-07 1949-05-24 Bolidens Gruv Ab Alternating current compensator circuit for measuring
US2558972A (en) * 1949-05-28 1951-07-03 Mcphar Engineering Company Of Portable electromagnetic clinometer
US2995699A (en) * 1955-08-05 1961-08-08 Mullard Radio Valve Co Ltd Geophysical survey apparatus
US2929984A (en) * 1956-01-12 1960-03-22 Canadian Airborne Geophysics L Method and apparatus for qualitative electromagnetic surveying
US3108220A (en) * 1956-03-08 1963-10-22 Varian Associates Electromagnetic method and apparatus for geophysical prospecting including means forgenerating an auxiliary flux field to cancel direct coupling between the primary and pick-up coils
US3085197A (en) * 1958-04-28 1963-04-09 Donald L Hings Inductor survey apparatus and method for determining presence of oil bearing substrata
US3065407A (en) * 1958-09-08 1962-11-20 Halliburton Co Well logging system
US3214686A (en) * 1960-09-06 1965-10-26 Newmont Mining Corp Drill hole electromagnetic method and apparatus for geophysical exploration utillizing in-phase and out-of-phase nulling voltages
US3351852A (en) * 1964-08-26 1967-11-07 Hugo L Libby Graphical nulling device for nondestructive eddy current testing equipment

Also Published As

Publication number Publication date
US3500175A (en) 1970-03-10
FI51135C (fi) 1976-10-11
SE323153B (fi) 1970-04-27

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Legal Events

Date Code Title Description
HC Name/ company changed in application

Owner name: PHARMACIA & UPJOHN COMPANY