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FR2531247B1 - Systemes pour l'identification d'articles en feuilles par microondes - Google Patents

Systemes pour l'identification d'articles en feuilles par microondes

Info

Publication number
FR2531247B1
FR2531247B1 FR8312339A FR8312339A FR2531247B1 FR 2531247 B1 FR2531247 B1 FR 2531247B1 FR 8312339 A FR8312339 A FR 8312339A FR 8312339 A FR8312339 A FR 8312339A FR 2531247 B1 FR2531247 B1 FR 2531247B1
Authority
FR
France
Prior art keywords
microwave
identification
systems
sheet articles
articles
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
FR8312339A
Other languages
English (en)
Other versions
FR2531247A1 (fr
Inventor
Johan Samyn
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.)
Bekaert NV SA
Original Assignee
Bekaert NV SA
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 Bekaert NV SA filed Critical Bekaert NV SA
Publication of FR2531247A1 publication Critical patent/FR2531247A1/fr
Application granted granted Critical
Publication of FR2531247B1 publication Critical patent/FR2531247B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G07D7/06—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 using wave or particle radiation
    • G07D7/10—Microwaves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
    • G06K19/067—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components
    • G06K19/0672—Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards also with resonating or responding marks without active components with resonating marks

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Toxicology (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR8312339A 1982-07-29 1983-07-26 Systemes pour l'identification d'articles en feuilles par microondes Expired FR2531247B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU84308A LU84308A1 (fr) 1982-07-29 1982-07-29 Systeme pour l'identification d'articles en feuilles par micro-ondes

Publications (2)

Publication Number Publication Date
FR2531247A1 FR2531247A1 (fr) 1984-02-03
FR2531247B1 true FR2531247B1 (fr) 1987-11-20

Family

ID=19729930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8312339A Expired FR2531247B1 (fr) 1982-07-29 1983-07-26 Systemes pour l'identification d'articles en feuilles par microondes

Country Status (9)

Country Link
US (1) US4566121A (fr)
JP (1) JPS5965390A (fr)
BR (1) BR8304004A (fr)
DE (1) DE3327451A1 (fr)
FR (1) FR2531247B1 (fr)
GB (1) GB2125999B (fr)
IT (1) IT1172314B (fr)
LU (1) LU84308A1 (fr)
NL (1) NL8302714A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421041A1 (de) * 1984-06-06 1985-12-12 GAO Gesellschaft für Automation und Organisation mbH, 8000 München Sicherheitsdokumente und verfahren zur pruefung derselben
JPS6140579A (ja) * 1984-08-02 1986-02-26 Matsushita Electric Ind Co Ltd 先行車両識別方法および装置
NL8502567A (nl) * 1985-09-19 1987-04-16 Bekaert Sa Nv Werkwijze en inrichting voor het op echtheid controleren van voorwerpen en voorwerp geschikt voor het toepassen van deze werkwijze.
EP0461457B1 (fr) * 1990-06-12 1995-08-09 Kurt-Henry Dipl.-Ing. Mindermann Appareil de tri de solides
US5672859A (en) * 1994-03-04 1997-09-30 N.V. Bekaert S.A. Reproduction apparatus with microwave detection
GB2290897B (en) * 1994-06-28 1998-07-01 Lee Ming Cheng Magnetic cards
US5798693A (en) * 1995-06-07 1998-08-25 Engellenner; Thomas J. Electronic locating systems
WO1999027502A1 (fr) * 1997-11-26 1999-06-03 N.V. Bekaert S.A. Procede de verification de l'authenticite par micro-ondes
US20090021328A1 (en) * 2005-02-09 2009-01-22 Adrian Haldimann Microwave unit

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506829A (en) * 1966-02-09 1970-04-14 American Cyanamid Co Printing and readout system utilizing coding components for symbols,each component having materials which absorb resonantly different gamma rays and cause scattered reradiation,the readout system including a source of different gamma rays corresponding to each of the coding components
DE2037755C3 (de) * 1970-07-30 1979-08-30 National Rejectors Inc. Gmbh, 2150 Buxtehude Vorrichtung zum Prüfen von Wertscheinen
GB1369214A (en) * 1971-07-16 1974-10-02 Nat Res Dev Apparatus for examining the surface of an object using electro magnetic radiation
DE2204284B2 (de) * 1972-01-29 1974-04-25 National Rejectors Inc. Gmbh, 2150 Buxtehude Vorrichtung zur lichtelektrischen Prüfung von blattförmigem Material, insbesondere von Dokumenten oder Banknoten
US4045727A (en) * 1976-03-15 1977-08-30 General Electric Company Microwave proximity detector
DE2712600C2 (de) * 1976-03-22 1986-06-19 Insinööritoimisto Innotec Oy, Espoo Vorrichtung zum Erfassen einer plötzlichen Veränderung der von Holzgut durchgelassenen oder reflektierten Energie mit Hochfrequenz
GB1585533A (en) * 1976-12-07 1981-03-04 Portals Ltd Security papers
GB1593173A (en) * 1976-12-10 1981-07-15 Hoechst Ag Apparatus for indicating the moisture content of sheetlike samples
FR2408814A1 (fr) * 1977-11-14 1979-06-08 Bekaert Sa Nv Procede et appareil pour le reperage et la detection de la position d'un objet
US4166973A (en) * 1978-03-07 1979-09-04 Philip Morris Incorporated Method and system for detection of thin metal layers in packaged articles
FR2425937A1 (fr) * 1978-05-17 1979-12-14 Arjomari Prioux Structure fibreuse contenant des fibres metalliques, son procede de preparation, et son application notamment dans l'industrie du papier
FI57490C (fi) * 1978-06-01 1980-08-11 Innotec Oy Foerfarande foer bestaemning av snedfibrigheten i virke i synnerhet i saogat virke
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
FR2460009B1 (fr) * 1979-06-26 1985-07-19 Metalimphy Procede de marquage et d'identification d'objets marques par des elements electriquement conducteurs
JPS5665291A (en) * 1979-10-31 1981-06-02 Tokyo Shibaura Electric Co Discriminator for printed matter
JPS5674790A (en) * 1979-11-22 1981-06-20 Tokyo Shibaura Electric Co Bill discriminator

Also Published As

Publication number Publication date
GB2125999B (en) 1985-10-30
DE3327451A1 (de) 1984-02-02
IT1172314B (it) 1987-06-18
LU84308A1 (fr) 1984-03-22
IT8348760A0 (it) 1983-07-27
GB8320530D0 (en) 1983-09-01
NL8302714A (nl) 1984-02-16
GB2125999A (en) 1984-03-14
FR2531247A1 (fr) 1984-02-03
US4566121A (en) 1986-01-21
JPS5965390A (ja) 1984-04-13
BR8304004A (pt) 1984-03-07

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Legal Events

Date Code Title Description
ST Notification of lapse