IT1112368B - Procedimento e dispositivo di rivelazione della presenza di un filo metallico in una carta - Google Patents

Procedimento e dispositivo di rivelazione della presenza di un filo metallico in una carta

Info

Publication number
IT1112368B
IT1112368B IT21555/79A IT2155579A IT1112368B IT 1112368 B IT1112368 B IT 1112368B IT 21555/79 A IT21555/79 A IT 21555/79A IT 2155579 A IT2155579 A IT 2155579A IT 1112368 B IT1112368 B IT 1112368B
Authority
IT
Italy
Prior art keywords
paper
procedure
detection device
metallic wire
metallic
Prior art date
Application number
IT21555/79A
Other languages
English (en)
Other versions
IT7921555A0 (it
Original Assignee
Radioelectrique Comp Ind
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 Radioelectrique Comp Ind filed Critical Radioelectrique Comp Ind
Publication of IT7921555A0 publication Critical patent/IT7921555A0/it
Application granted granted Critical
Publication of IT1112368B publication Critical patent/IT1112368B/it

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
    • G01V3/102—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 by measuring amplitude
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/04—Testing magnetic properties of the materials thereof, e.g. by detection of magnetic imprint

Landscapes

  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
IT21555/79A 1978-04-04 1979-04-03 Procedimento e dispositivo di rivelazione della presenza di un filo metallico in una carta IT1112368B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH359778A CH624220A5 (it) 1978-04-04 1978-04-04

Publications (2)

Publication Number Publication Date
IT7921555A0 IT7921555A0 (it) 1979-04-03
IT1112368B true IT1112368B (it) 1986-01-13

Family

ID=4259412

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21555/79A IT1112368B (it) 1978-04-04 1979-04-03 Procedimento e dispositivo di rivelazione della presenza di un filo metallico in una carta

Country Status (8)

Country Link
US (1) US4473799A (it)
JP (1) JPS54136900A (it)
CH (1) CH624220A5 (it)
DE (1) DE2912712A1 (it)
ES (1) ES479285A1 (it)
FR (1) FR2422210B1 (it)
GB (1) GB2017996B (it)
IT (1) IT1112368B (it)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408156A (en) 1979-05-01 1983-10-04 N. V. Bekaert S.A. Sheet articles of non-conductive material marked for identification purposes, and method and apparatus for identifying such articles
JPS6226726Y2 (it) * 1981-01-09 1987-07-09
JPS57117081A (en) * 1981-01-12 1982-07-21 Tokyo Shibaura Electric Co Detector for metal pieces existing in paper sheets
EP0057972B1 (en) * 1981-01-12 1986-10-08 Kabushiki Kaisha Toshiba A device for detecting a metal strip embedded in paper
US4518919A (en) * 1981-01-16 1985-05-21 Tokyo Shibaura Denki Kabushiki Kaisha Detecting device for detecting a magnetic strip embedded in a sheet
EP0060392B1 (de) * 1981-03-06 1985-12-18 Sodeco-Saia Ag Vorrichtung zum Prüfen von Münzen
FR2566137B2 (fr) * 1982-03-05 1986-10-10 Petercem Sa Dispositif de detection d'une cible magnetique dans une zone de proximite definie
FR2566136B2 (fr) * 1982-03-05 1987-05-15 Petercem Sa Dispositif de detection d'une cible magnetique dans une zone de proximite definie
US4584529A (en) * 1983-06-02 1986-04-22 Bill Checker Co., Ltd. Method and apparatus for discriminating between genuine and suspect paper money
CH662194A5 (de) * 1984-02-14 1987-09-15 Sodeco Compteurs De Geneve Verfahren und einrichtung zum pruefen der echtheit von dokumenten.
US4611127A (en) * 1984-09-20 1986-09-09 Telectronics N.V. Electronic sensor for static magnetic field
US4878019A (en) * 1985-05-02 1989-10-31 Aeroquip Corporation Electrical sensing system for measuring ferrous particles within a fluid with temperature compensation circuit
US4731578A (en) * 1985-05-02 1988-03-15 Aeroquip Corporation Electrical sensing system for measuring ferrous particles within a fluid
JPS62299755A (ja) * 1986-06-20 1987-12-26 Nitto Gurasufuaibaa Kogyo Kk ガラス繊維中の導電性物質の検出方法及び検出装置
CA1295189C (en) * 1986-08-28 1992-02-04 Viceroy Homes Limited Sliding door
AT390843B (de) * 1986-11-12 1990-07-10 Boehler Gmbh Verfahren und messeinrichtung zur bestimmung des gehaltes an magnetisierbarer substanz in einer probe
US4883264A (en) * 1987-11-02 1989-11-28 Laurel Bank Machines Co., Ltd. Bill disbursing system
US5144231A (en) * 1988-09-30 1992-09-01 Jeffrey Tenenbaum Eddy current detector for detecting an object with offset compensation
US5155643A (en) * 1990-10-30 1992-10-13 Mars Incorporated Unshielded horizontal magnetoresistive head and method of fabricating same
DE4103832A1 (de) * 1991-02-08 1992-08-13 Telefunken Systemtechnik Pruefanordnung
US5378885A (en) * 1991-10-29 1995-01-03 Mars Incorporated Unshielded magnetoresistive head with multiple pairs of sensing elements
US5279403A (en) * 1992-07-23 1994-01-18 Crane & Company, Inc. Microwave security thread detector
US5358088A (en) * 1992-11-25 1994-10-25 Mars Incorporated Horizontal magnetoresistive head apparatus and method for detecting magnetic data
ES2076105B1 (es) * 1993-08-23 1997-07-01 Nacional Moneda Timbre Detector de presencia de materiales amorfos en documentos
DE4333667A1 (de) * 1993-10-02 1995-04-06 Stephan Dr Handy Verfahren zum Erkennen von Falschgeld und Prüfgerät zur Durchführung des Verfahrens
FR2716979B1 (fr) * 1994-03-04 1996-03-29 Telemecanique Détecteur de proximité inductif.
DE4415592A1 (de) * 1994-04-28 1995-11-02 Whd Warenhandels Und Dienstlei Verfahren und Anordnung zur Prüfung von Metallfäden, -bändern und -partikeln
DE4429689C2 (de) 1994-08-22 2003-06-26 Whd Elektron Prueftech Gmbh Prüfanordnung und Verfahren zur Prüfung von Dokumenten in Bearbeitungsmaschinen
DE19512921A1 (de) * 1995-03-30 1996-10-02 Lfp Elektronische Spezialsiche Einrichtung zur Prüfung von Sicherheitsdokumenten
DK0818030T3 (da) * 1995-03-30 1999-06-07 Whd Elektron Prueftech Gmbh Fremgangsmåde og apparatur til kontrol af sikkerhedsdokumenter
DE19512926A1 (de) * 1995-03-30 1996-10-02 Lfp Elektronische Spezialsiche Verfahren zur Prüfung von Sicherheitsdokumenten
GB2299697A (en) * 1995-04-05 1996-10-09 Teknote Limited Bank note validator
DE19518228C2 (de) * 1995-05-12 2001-08-09 Whd Elektron Prueftech Gmbh Verfahren, Anordnungen, Vorrichtungen und Prüfzonen von zu prüfenden Objekten zur Echtheitsprüfung sowie Anwendung derselben
CN103592688A (zh) * 2013-11-12 2014-02-19 周芸 安检门金属物检测模块

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB595764A (en) * 1943-12-23 1947-12-16 Laszlo Namenyi Katz Improvements in or relating to electric or magnetic apparatus actuated by the passage of articles, such as bank-notes, through it
US2587631A (en) * 1948-05-21 1952-03-04 American Can Co Apparatus for measuring and detecting magnetic objects
FR1274374A (fr) * 1957-01-30 1961-10-27 Perfectionnements apportés aux appareils agissant successivement sur chacune des feuilles d'une pile
DE1302191B (it) * 1960-11-24 1971-01-14
GB981435A (en) * 1962-02-14 1965-01-27 Ferguson Radio Corp Apparatus for detecting faults in a web of paper
GB1092362A (en) * 1963-05-23 1967-11-22 David Theodore Nelson Williams Improvements in detectors for electrically conductive or magnetic particles
US3319160A (en) * 1963-12-05 1967-05-09 American Mach & Foundry Fail indication circuit for magnetic inspection system
CH475610A (de) * 1967-06-15 1969-07-15 Sodeco Compteurs De Geneve Vorrichtung zur automatischen Echtheitsprüfung von Banknoten
US3602643A (en) * 1969-01-21 1971-08-31 Heller & Co Walter E Scan control apparatus for validation device
AT301226B (de) * 1971-02-25 1972-08-25 Gao Ges Automation Org Einrichtung zur Prüfung von Wertpapieren
AT305670B (de) * 1971-07-13 1973-03-12 Gao Ges Automation Org Einrichtung zur Prüfung der Echtheit von Banknoten od.dgl.
CH535134A (de) * 1971-09-01 1973-03-31 Landis & Gyr Ag Verfahren zur Verhinderung erfolgreicher Fälschungen von Wertscheinen
FR2188879A5 (it) * 1972-06-12 1974-01-18 De La Rue Giori Sa
US3901368A (en) * 1974-03-11 1975-08-26 Lance T Klinger Coin acceptor/rejector
US3966047A (en) * 1974-11-27 1976-06-29 Rowe International Inc. Paper currency acceptor
US4013894A (en) * 1975-05-27 1977-03-22 Addressograph Multigraph Corporation Secure property document and system
FR2320663A1 (fr) * 1975-08-06 1977-03-04 Itt Produits Ind Detecteur de proximite d'objets de toute nature
DE2549093A1 (de) * 1975-11-03 1977-05-05 Braum Ludwig Verfahren und schaltungsanordnung zur pruefung von muenzen o.dgl.
DE2619457A1 (de) * 1976-05-03 1977-11-24 Woerl Geb Mueller Waltraud Verfahren und vorrichtung zum pruefen von geldscheinen
US4130792A (en) * 1977-09-30 1978-12-19 Sullivan John W Metal detector with feedback tuning

Also Published As

Publication number Publication date
DE2912712C2 (it) 1987-08-27
IT7921555A0 (it) 1979-04-03
FR2422210B1 (fr) 1986-02-07
FR2422210A1 (fr) 1979-11-02
DE2912712A1 (de) 1979-10-11
US4473799A (en) 1984-09-25
JPS54136900A (en) 1979-10-24
ES479285A1 (es) 1979-12-16
GB2017996A (en) 1979-10-10
GB2017996B (en) 1982-04-28
CH624220A5 (it) 1981-07-15

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