EP0818758A3 - Device for testing the validity of coins, tokens or other flat, metallic objects - Google Patents

Device for testing the validity of coins, tokens or other flat, metallic objects Download PDF

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Publication number
EP0818758A3
EP0818758A3 EP97111430A EP97111430A EP0818758A3 EP 0818758 A3 EP0818758 A3 EP 0818758A3 EP 97111430 A EP97111430 A EP 97111430A EP 97111430 A EP97111430 A EP 97111430A EP 0818758 A3 EP0818758 A3 EP 0818758A3
Authority
EP
European Patent Office
Prior art keywords
coin
tokens
coins
metallic objects
inductive sensor
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.)
Granted
Application number
EP97111430A
Other languages
German (de)
French (fr)
Other versions
EP0818758B1 (en
EP0818758A2 (en
Inventor
Philippe Vesin
Thomas Seitz
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.)
IPM INTERNATIONAL SA
Original Assignee
Electrowatt Technology Innovation AG
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 Electrowatt Technology Innovation AG filed Critical Electrowatt Technology Innovation AG
Publication of EP0818758A2 publication Critical patent/EP0818758A2/en
Publication of EP0818758A3 publication Critical patent/EP0818758A3/en
Application granted granted Critical
Publication of EP0818758B1 publication Critical patent/EP0818758B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • G07D5/02—Testing the dimensions, e.g. thickness, diameter; Testing the deformation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Coins (AREA)

Abstract

Eine Einrichtung zur Prüfung der Echtheit von Münzen (M), Jetons oder anderen flachen metallischen Gegenständen weist zwei Lichtschranken (L1, L2) auf, zwischen denen ein induktiver Sensor (S1) angeordnet ist. Beim Durchgang der Münze wird das Signal s(t) des induktiven Sensors in Funktion der Zeit t als eine Folge von Messwerten zwischengespeichert. Aus den mit den Lichtschranken bestimmten Zeitpunkten t0, t1, t2 und t3, die jeweils den Beginn und das Ende des Abdeckens der Lichtschranke (L1, L2) bezeichnen, wird die Sehnenlänge oder der Durchmesser der Münze bestimmt. Anschliessend wird gemäss den physikalischen Bewegungsgesetzen der Zeitpunkt t4 bestimmt, an dem sich der Rand der Münze im Zentrum des induktiven Sensors befand und das Signal s(t4) aus der Folge f durch Interpolation berechnet. Der Wert s(t4) dient als Kriterium für die Annahme oder Zurückweisung der Münze.

Figure 00000001
A device for checking the authenticity of coins (M), tokens or other flat metallic objects has two light barriers (L1, L2), between which an inductive sensor (S1) is arranged. When the coin passes, the signal s (t) of the inductive sensor is buffered as a function of time t as a sequence of measured values. The chord length or the diameter of the coin is determined from the times t 0 , t 1 , t 2 and t 3 , which are determined with the light barriers and which respectively denote the start and the end of the covering of the light barrier (L1, L2). The time t 4 at which the edge of the coin was in the center of the inductive sensor and the signal s (t 4 ) from the sequence f is then calculated by interpolation in accordance with the physical laws of motion. The value s (t 4 ) serves as a criterion for the acceptance or rejection of the coin.
Figure 00000001
EP19970111430 1996-07-11 1997-07-03 Device for testing the validity of coins, tokens or other flat, metallic objects Expired - Lifetime EP0818758B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH1736/96 1996-07-11
CH173696A CH690801A5 (en) 1996-07-11 1996-07-11 Means for testing the authenticity of coins, tokens or other flat metallic objects.
CH173696 1996-07-11

Publications (3)

Publication Number Publication Date
EP0818758A2 EP0818758A2 (en) 1998-01-14
EP0818758A3 true EP0818758A3 (en) 1999-10-13
EP0818758B1 EP0818758B1 (en) 2007-01-03

Family

ID=4217387

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19970111430 Expired - Lifetime EP0818758B1 (en) 1996-07-11 1997-07-03 Device for testing the validity of coins, tokens or other flat, metallic objects

Country Status (3)

Country Link
EP (1) EP0818758B1 (en)
CH (1) CH690801A5 (en)
DE (1) DE59712789D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1391851A1 (en) * 2002-08-22 2004-02-25 Azkoyen Medios de Pago, S.A. Coin selection device and method
US11410481B2 (en) 2014-07-09 2022-08-09 Cummins-Allison Corp. Systems, methods and devices for processing batches of coins utilizing coin imaging sensor assemblies
US9508208B1 (en) * 2014-07-25 2016-11-29 Cummins Allison Corp. Systems, methods and devices for processing coins with linear array of coin imaging sensors

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797307A (en) * 1972-01-20 1974-03-19 Little Inc A Coin discriminator
EP0109057A2 (en) * 1982-11-16 1984-05-23 Groupement d'Intérêt Economique régi par l'ordonnance du 23 septembre 1967 dit: GESI Coin selector
US4646904A (en) * 1985-09-05 1987-03-03 Coin Acceptors, Inc. Coin sizing means and method
US4667093A (en) * 1983-02-25 1987-05-19 Macdonald J Randall Electronic coin measurement apparatus with size and acceleration detection
US4842119A (en) * 1985-06-18 1989-06-27 Asahi Seiko Kabushiki Kaisha Sensor coil for discriminating coin acceptor or rejector
US5199545A (en) * 1991-02-28 1993-04-06 Takamisawa Cybernetics Co., Ltd. Metal body discriminating apparatus
EP0694888A1 (en) * 1994-07-29 1996-01-31 Landis & Gyr Technology Innovation AG Device for testing coins or other flat objects
WO1997004424A1 (en) * 1995-07-14 1997-02-06 Coin Controls Ltd. Coin validator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3797307A (en) * 1972-01-20 1974-03-19 Little Inc A Coin discriminator
EP0109057A2 (en) * 1982-11-16 1984-05-23 Groupement d'Intérêt Economique régi par l'ordonnance du 23 septembre 1967 dit: GESI Coin selector
US4667093A (en) * 1983-02-25 1987-05-19 Macdonald J Randall Electronic coin measurement apparatus with size and acceleration detection
US4842119A (en) * 1985-06-18 1989-06-27 Asahi Seiko Kabushiki Kaisha Sensor coil for discriminating coin acceptor or rejector
US4646904A (en) * 1985-09-05 1987-03-03 Coin Acceptors, Inc. Coin sizing means and method
US5199545A (en) * 1991-02-28 1993-04-06 Takamisawa Cybernetics Co., Ltd. Metal body discriminating apparatus
EP0694888A1 (en) * 1994-07-29 1996-01-31 Landis & Gyr Technology Innovation AG Device for testing coins or other flat objects
WO1997004424A1 (en) * 1995-07-14 1997-02-06 Coin Controls Ltd. Coin validator

Also Published As

Publication number Publication date
EP0818758B1 (en) 2007-01-03
DE59712789D1 (en) 2007-02-15
CH690801A5 (en) 2001-01-15
EP0818758A2 (en) 1998-01-14

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