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FR2564981B3 - METHOD FOR DETECTING METAL OBJECTS, DEVICE FOR IMPLEMENTING THE METHOD AND APPLICATION OF THE DEVICE FOR SORTING COINS - Google Patents

METHOD FOR DETECTING METAL OBJECTS, DEVICE FOR IMPLEMENTING THE METHOD AND APPLICATION OF THE DEVICE FOR SORTING COINS

Info

Publication number
FR2564981B3
FR2564981B3 FR8407961A FR8407961A FR2564981B3 FR 2564981 B3 FR2564981 B3 FR 2564981B3 FR 8407961 A FR8407961 A FR 8407961A FR 8407961 A FR8407961 A FR 8407961A FR 2564981 B3 FR2564981 B3 FR 2564981B3
Authority
FR
France
Prior art keywords
implementing
application
metal objects
detecting metal
sorting coins
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
FR8407961A
Other languages
French (fr)
Other versions
FR2564981A1 (en
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
Application filed by Individual filed Critical Individual
Priority to FR8407961A priority Critical patent/FR2564981B3/en
Publication of FR2564981A1 publication Critical patent/FR2564981A1/en
Application granted granted Critical
Publication of FR2564981B3 publication Critical patent/FR2564981B3/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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D5/00—Testing specially adapted to determine the identity or genuineness of coins, e.g. for segregating coins which are unacceptable or alien to a currency
    • G07D5/08—Testing the magnetic or electric properties

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
FR8407961A 1984-05-22 1984-05-22 METHOD FOR DETECTING METAL OBJECTS, DEVICE FOR IMPLEMENTING THE METHOD AND APPLICATION OF THE DEVICE FOR SORTING COINS Expired FR2564981B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8407961A FR2564981B3 (en) 1984-05-22 1984-05-22 METHOD FOR DETECTING METAL OBJECTS, DEVICE FOR IMPLEMENTING THE METHOD AND APPLICATION OF THE DEVICE FOR SORTING COINS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8407961A FR2564981B3 (en) 1984-05-22 1984-05-22 METHOD FOR DETECTING METAL OBJECTS, DEVICE FOR IMPLEMENTING THE METHOD AND APPLICATION OF THE DEVICE FOR SORTING COINS

Publications (2)

Publication Number Publication Date
FR2564981A1 FR2564981A1 (en) 1985-11-29
FR2564981B3 true FR2564981B3 (en) 1986-07-18

Family

ID=9304261

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8407961A Expired FR2564981B3 (en) 1984-05-22 1984-05-22 METHOD FOR DETECTING METAL OBJECTS, DEVICE FOR IMPLEMENTING THE METHOD AND APPLICATION OF THE DEVICE FOR SORTING COINS

Country Status (1)

Country Link
FR (1) FR2564981B3 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619235B1 (en) * 1987-08-06 1991-09-06 Crouzet Sa DEVICE FOR RECOGNIZING THE VALUE OF COINS
ES2006048A6 (en) * 1988-01-15 1989-04-01 Gosalbez Gosalbez Fco Jose Magnetic metal detector system.
GB2287341B (en) * 1994-03-11 1997-09-17 Mars Inc Money validation
FR2824658B1 (en) * 2001-05-14 2003-12-12 Mecelec Ind DEVICE FOR DETECTION OF COUNTERFEIT COINS, METHOD FOR CALIBRATING THE DEVICE, AND PUBLIC TELEPHONE WITH PIECE PAYMENT COMPRISING SUCH A DEVICE

Also Published As

Publication number Publication date
FR2564981A1 (en) 1985-11-29

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