FR623386A - Method and apparatus for identifying substances - Google Patents

Method and apparatus for identifying substances

Info

Publication number
FR623386A
FR623386A FR623386DA FR623386A FR 623386 A FR623386 A FR 623386A FR 623386D A FR623386D A FR 623386DA FR 623386 A FR623386 A FR 623386A
Authority
FR
France
Prior art keywords
identifying substances
substances
identifying
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
Other languages
French (fr)
Inventor
Martin Ephraim Simon
John Alexander O'connor
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 filed Critical
Application granted granted Critical
Publication of FR623386A publication Critical patent/FR623386A/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
    • G01V3/08—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
    • G01V3/10—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 using induction coils
    • G01V3/104—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 using induction coils using several coupled or uncoupled coils
    • G01V3/105—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 using induction coils using several coupled or uncoupled coils forming directly coupled primary and secondary coils or loops

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
FR623386D 1926-10-21 1926-10-21 Method and apparatus for identifying substances Expired FR623386A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR623386T 1926-10-21

Publications (1)

Publication Number Publication Date
FR623386A true FR623386A (en) 1927-06-23

Family

ID=8986415

Family Applications (1)

Application Number Title Priority Date Filing Date
FR623386D Expired FR623386A (en) 1926-10-21 1926-10-21 Method and apparatus for identifying substances

Country Status (1)

Country Link
FR (1) FR623386A (en)

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