FR2516250B1 - - Google Patents

Info

Publication number
FR2516250B1
FR2516250B1 FR8121089A FR8121089A FR2516250B1 FR 2516250 B1 FR2516250 B1 FR 2516250B1 FR 8121089 A FR8121089 A FR 8121089A FR 8121089 A FR8121089 A FR 8121089A FR 2516250 B1 FR2516250 B1 FR 2516250B1
Authority
FR
France
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
FR8121089A
Other languages
French (fr)
Other versions
FR2516250A1 (fr
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.)
ETUDE DEV RECH INDL
Original Assignee
ETUDE DEV RECH INDL
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 ETUDE DEV RECH INDL filed Critical ETUDE DEV RECH INDL
Priority to FR8121089A priority Critical patent/FR2516250A1/fr
Publication of FR2516250A1 publication Critical patent/FR2516250A1/fr
Application granted granted Critical
Publication of FR2516250B1 publication Critical patent/FR2516250B1/fr
Granted 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
    • G01V3/101—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 by measuring the impedance of the search coil; by measuring features of a resonant circuit comprising the search coil

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)
  • Geophysics And Detection Of Objects (AREA)
FR8121089A 1981-11-10 1981-11-10 Dispositif de detection de la presence d'objets dans des caisses fermees Granted FR2516250A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8121089A FR2516250A1 (fr) 1981-11-10 1981-11-10 Dispositif de detection de la presence d'objets dans des caisses fermees

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8121089A FR2516250A1 (fr) 1981-11-10 1981-11-10 Dispositif de detection de la presence d'objets dans des caisses fermees

Publications (2)

Publication Number Publication Date
FR2516250A1 FR2516250A1 (fr) 1983-05-13
FR2516250B1 true FR2516250B1 (enrdf_load_html_response) 1985-02-01

Family

ID=9263882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8121089A Granted FR2516250A1 (fr) 1981-11-10 1981-11-10 Dispositif de detection de la presence d'objets dans des caisses fermees

Country Status (1)

Country Link
FR (1) FR2516250A1 (enrdf_load_html_response)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3476035D1 (en) * 1983-07-05 1989-02-16 Elektroniktechnologie Get Inductive sensor device and measuring device for using the same
FR2605400A1 (en) * 1986-10-17 1988-04-22 Renault Proximity detector
DE3920081A1 (de) * 1989-06-20 1991-01-03 Foerster Inst Dr Friedrich Suchspulenanordnung
FR2701140A1 (fr) * 1993-02-01 1994-08-05 Tech Innovations Medicales Dispositif de comptage des compresses chirurgicales.
DE4326030A1 (de) * 1993-08-03 1995-02-09 Klaus Ebinger Verfahren zur elektromagnetischen Detektion von Objekten

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2791730A (en) * 1953-06-25 1957-05-07 Aeronca Mfg Corp Closure detection apparatus
FR1493026A (fr) * 1966-07-12 1967-08-25 Materiel Electromagnetique S I Perfectionnements aux détecteurs de métaux
DE1759037A1 (de) * 1968-03-22 1972-03-23 Siemens Ag Anordnung zur Anzeige oder zur Zaehlung der sich innerhalb einer Messflaeche befindlichen Gegenstaende

Also Published As

Publication number Publication date
FR2516250A1 (fr) 1983-05-13

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Legal Events

Date Code Title Description
ST Notification of lapse