NO812076L - An apparatus for detection in solids, liquids or gases of the contained metal particles, their position, and determining their stoerrelse - Google Patents

An apparatus for detection in solids, liquids or gases of the contained metal particles, their position, and determining their stoerrelse

Info

Publication number
NO812076L
NO812076L NO812076A NO812076A NO812076L NO 812076 L NO812076 L NO 812076L NO 812076 A NO812076 A NO 812076A NO 812076 A NO812076 A NO 812076A NO 812076 L NO812076 L NO 812076L
Authority
NO
Norway
Prior art keywords
stoerrelse
solids
liquids
gases
determining
Prior art date
Application number
NO812076A
Other languages
Norwegian (no)
Inventor
Jacques Clausin
Original Assignee
Jacques Clausin
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 FR7926116A priority Critical patent/FR2468133B1/fr
Application filed by Jacques Clausin filed Critical Jacques Clausin
Publication of NO812076L publication Critical patent/NO812076L/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • 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
    • G01V3/105Electric 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 forming directly coupled primary and secondary coils or loops
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/72Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating magnetic variables
NO812076A 1979-10-22 1981-06-18 An apparatus for detection in solids, liquids or gases of the contained metal particles, their position, and determining their stoerrelse NO812076L (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7926116A FR2468133B1 (en) 1979-10-22 1979-10-22

Publications (1)

Publication Number Publication Date
NO812076L true NO812076L (en) 1981-06-18

Family

ID=9230881

Family Applications (1)

Application Number Title Priority Date Filing Date
NO812076A NO812076L (en) 1979-10-22 1981-06-18 An apparatus for detection in solids, liquids or gases of the contained metal particles, their position, and determining their stoerrelse

Country Status (8)

Country Link
EP (1) EP0038326A1 (en)
JP (1) JPS56501382A (en)
BR (1) BR8008878A (en)
DK (1) DK275081A (en)
ES (1) ES510409A0 (en)
FR (1) FR2468133B1 (en)
NO (1) NO812076L (en)
WO (1) WO1981001198A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2158240B (en) * 1984-04-26 1988-01-27 Standard Telephones Cables Ltd A null-balanced proximity sensor
DE3448564C2 (en) * 1984-10-05 1997-04-24 Truetzschler Gmbh & Co Kg Fibre bale scanner
JPS6454281A (en) * 1987-08-25 1989-03-01 Anritsu Corp Metal detecting apparatus
GB2230611B (en) * 1989-03-30 1993-02-03 Cintex Ltd Product monitoring
FR2692365B1 (en) * 1992-06-15 1998-04-30 Jacques Clausin Device for locating and evaluating the volumes of ferromagnetic objects.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765007A (en) * 1969-07-11 1973-10-09 Minnesota Mining & Mfg Method and apparatus for detecting at a distance the status and identity of objects
US3686564A (en) * 1970-10-08 1972-08-22 Westinghouse Electric Corp Multiple frequency magnetic field technique for differentiating between classes of metal objects
US4326198A (en) * 1976-08-18 1982-04-20 Knogo Corporation Method and apparatus for the promotion of selected harmonic response signals in an article detection system

Also Published As

Publication number Publication date
WO1981001198A1 (en) 1981-04-30
ES8304323A1 (en)
FR2468133A1 (en) 1981-04-30
ES510409D0 (en)
JPS56501382A (en) 1981-09-24
ES510409A0 (en) 1983-02-01
BR8008878A (en) 1981-08-25
EP0038326A1 (en) 1981-10-28
ES8304323A3 (en) 1983-02-01
DK275081A (en) 1981-06-22
FR2468133B1 (en) 1984-05-25

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