EP0590381B1 - Méthode et dispositif pour calibrer un contrÔleur de pièces de monnaie - Google Patents

Méthode et dispositif pour calibrer un contrÔleur de pièces de monnaie Download PDF

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Publication number
EP0590381B1
EP0590381B1 EP93114537A EP93114537A EP0590381B1 EP 0590381 B1 EP0590381 B1 EP 0590381B1 EP 93114537 A EP93114537 A EP 93114537A EP 93114537 A EP93114537 A EP 93114537A EP 0590381 B1 EP0590381 B1 EP 0590381B1
Authority
EP
European Patent Office
Prior art keywords
coin
signal
simulation
section
simulation section
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 - Lifetime
Application number
EP93114537A
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German (de)
English (en)
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EP0590381A3 (en
EP0590381A2 (fr
Inventor
Klaus Meyer-Steffens
Manfred Dr. Gröhlich
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.)
Crane Payment Innovations GmbH
Original Assignee
National Rejectors Inc GmbH
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 National Rejectors Inc GmbH filed Critical National Rejectors Inc GmbH
Publication of EP0590381A2 publication Critical patent/EP0590381A2/fr
Publication of EP0590381A3 publication Critical patent/EP0590381A3/de
Application granted granted Critical
Publication of EP0590381B1 publication Critical patent/EP0590381B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D2205/00—Coin testing devices
    • G07D2205/001—Reconfiguration of coin testing devices

Definitions

  • the invention relates to a method for oak a coin validator having at least one measuring probe according to the preamble of claim 1.
  • a coin validator's job is to throw in coins To investigate properties which are the ones to be accepted Should have coins.
  • the properties include the Example of the material, the dimensions such as thickness and Diameter, the transmission for light, the formation of the Embossed edge and image, the weight, the hardness, etc.
  • the Materials are typically tested with inductive coils, whose field interacts with the material of the coin occurs.
  • the coins cause a typical damping in the inductive sensors, the extent of Attenuation contains a statement about the material or the Material composition of the tested coin or disc.
  • the translucency of a coin or the embossed image are mostly checked with the help of optical sensors.
  • a light source illuminates the edge or the embossing surface the coin, and a photoelectric receiver receives that radiated or reflected light to certain geometric Check properties of the coin. It is further known, the weight or the mass of inserted discs to be determined, with the aid of weighing devices or impact measurements.
  • the impulse that an impact a coin created on a baffle element is characteristic for the mass and thus the weight of the coin.
  • the impulse course on impact a coin on an impact element is therefore also an indicator for the hardness of the coin.
  • the well-known coin validators are known to be able to examine a number of different coin values. You point a microprocessor with a programmable Memory for recording data to be compared with the measured values Reference values. To meet tolerances, it is usual, an upper and a lower reference value per To provide coin value, which is a so-called acceptance band form. Before a coin validator reaches the user save the reference values according to the coin set, which the device should be able to check. Although it is conceivable to calculate the reference values mathematically, practice shows that this Procedure is not accurate enough. The mechanical and electrical properties of a coin validator in turn, more or less strong, mostly production-related Fluctuations caused by the probe emitted measurement signals find input. It is therefore the reference values were previously considered necessary to determine and program device-specific.
  • test coins Selected real Coins, the characteristics of which are to be tested in the desired Distribution within the acceptance band are in the device to be calibrated is thrown in. With the help of the won Measurement signals are determined and stored of the reference values. As test coins wear out over time, new ones have to be used again and again. This turns out to be cumbersome and difficult. It is also known to use so-called tokens instead of test coins, which have analog physical properties and which are manufactured especially for test purposes. method token production is, however, also proportionate complex.
  • EP 0 072 189 describes a method for calibrating Coin validators became known for a set of coins only two tokens are used in a given currency, to get parameter signals from it.
  • the two parameter signals characterize the coordinates of a measuring point (Angle and length of a pointer in the pointer diagram for electromagnetic behavior).
  • the parameter signals are an indicator of device-specific mechanical and electrical behavior of the coin validator during the passage of coins, regardless of the coin value.
  • calibration factors are calculated based on standard reference values be applied. With the help of a suitable The algorithm will match the standard reference values accordingly the calibration factor converted to determine the device-specific Reference values. These are then in the programmable memory of the coin validator loaded.
  • DE-A-2 452 710 describes an arrangement for the simulation of boundary coins for setting electronic coin acceptor.
  • a coin acceptor is with one Measuring coil connected to an oscillator.
  • Located outside of the coin validator a simulation coil with an oscillator.
  • There is a connection for synchronization provided between the electrical circuits. Feeding the coils done by an alternating current of the same frequency. The amplitude and phase position of the alternating current flowing through the simulation coil is adjustable.
  • the invention has for its object a method for calibrating a minimum a measuring probe having a coin validator to indicate the application dispensed with test coins and can be carried out easily and quickly is.
  • the invention is based on the idea that it is used in a coin validator arriving measuring probes with the interacting coin in check.
  • the material of a coin influences that, for example electromagnetic field of a pair of coils.
  • a coin traverses one or two light barriers, for example. With Aid by crossing two spaced-apart light barriers for example, the diameter of a coin measure up.
  • the invention is also based on the idea that the effect of a coin running through the coin validator exerted on the measuring probes, can also be simulated. According to the invention is therefore with the help of a in the measuring probe containing channel section introduced calibration module generates at least one measurement signal.
  • the calibration module is included the probe interacts and has that physical Property to which the probe should respond.
  • the calibration module is like by the sensor "seen” a coin, but it is not one, it has only one "physical property" which is that of a coin resembles or resembles. It is not necessary to do the same To produce an effect like that of a coin, because it is supposed to general "behavior" of the sensor can be determined, the typical of the sensor and independent of the one triggering the measurement signal "Disturbance” is.
  • each Case becomes at least one measurement signal for the coin validator characteristic reference value is calculated, e.g. a calibration factor obtained from the measurement signal is determined, by which a standard reference value is multiplied.
  • this corresponds to the physical property simulating simulation signal in its function from time to time of the accepted coin generate measurement signal.
  • the calibration module can generate a simulation signal so that the measuring probe in the same way - seen absolutely - reacts like with an acceptable coin.
  • the simulation signal also a different size and a modified one Show course.
  • the probe generated measurement signals processed in a similar manner as is the case with the state described above the technology is the case that is different from the real coin Discs or coins used.
  • the measurement signals then form calibration factors for calculating the Reference values.
  • the method according to the invention has the same advantages on how the latest state of the art explained and the further advantage that test disks or coins at all are no longer required. It also has the advantage that it is very quick and easy to do. Another advantage of the invention is that the natural uneven running of test coins or discs, which can also be polygonal, has no influence. This Uneven running requires the test substance to be inserted several times, what with a higher wear and expenditure of time connected is. Furthermore, with the help of the calibration module Simulation signals can be changed in any way, a corresponding adjustment to the behavior of the coin validator or to be able to make its measuring probes and the calibration to another set of coins.
  • a particularly preferred embodiment of the invention consists in that the measurement signals correspond Measured values stored in the programmable memory be that one in a programmable memory external computing device corresponding coins acceptable Correlation functions are saved and the Computing device using one of the correlation functions from the measured value the reference value for a desired acceptable Coin calculated and then the reference value stored in the programmable memory of the coin validator becomes. All coin acceptors can use this procedure in production initially with parameter signals be programmed, which are generated by the calibration module. A kind of standardized calibration therefore takes place. In a second step, the spatial and temporal can be separated from the first, can be in the programmable Memory stored values read into a computer the individual reference values for valid and acceptable coins using a database calculated.
  • the database also gets from the outside the information which coins the coin validator in which channel should accept whether the acceptance areas (acceptance bands) should be set wide or narrow, etc.
  • the conversion algorithms can be determined empirically. In the process described last, therefore all coin validators programmed in the same way and first in the second step, an adjustment is made to the respective one Coin set or to the respective currency.
  • a coin validator usually has several measuring probes. It is therefore proposed according to the invention that with several Measuring probes of the coin validator for each measuring probe at least one measurement signal is generated. Another configuration the invention provides that the temporal The sequence of the measurement signals approximately corresponds to the time sequence, with which a coin passes the measuring probes.
  • the invention is also based on the object of a device to create with which a coin acceptor without the Use of test coins can be verified.
  • a calibration module is in its dimensions so that it is in the measuring probes having channel section is insertable. It has for example a width that is approximately the thickness of the corresponds to the maximum coin to be accepted.
  • the invention Calibration module is in a predetermined position in the Channel section set, this position reproducible must be the same for all coin validators Location is reached.
  • the calibration module contains at least one Simulation section by a simulation generator is controlled. According to one embodiment of the invention the simulation generator outside the channel section, preferably arranged outside of the coin validator and with connected to the simulation section via control lines. The position of the simulation section is preferably correct in the channel section corresponds to that of the measuring probe. It can but advantageous according to an embodiment of the invention be, if the simulation section is adjustable, for example around a calibration for coins with different large diameter.
  • the simulation section has at least one magnetic coil, preferably air coil, to generate an electromagnetic Has field.
  • the simulation generator can be designed for such a simulation case that it has different waveforms according to time and amplitude generated, for example sine wave, square wave etc.
  • the control signal must be amplitude modulated and the modulation time on the order of one Coin through the electromagnetic field of the solenoid of the coin validator.
  • the simulation section have an adjustable aperture.
  • the opening and Closing the aperture can therefore pass a coin simulated by a light barrier.
  • the Simulation section an adjustable reflection section exhibit. The reflection section simulates this photoelectric receiver the passage of a particular Embossed image of a coin to be checked.
  • the simulation section have an adjustable impact element.
  • the impact element is against with a predetermined energy Impact element moves according to the process at one real coin to be checked.
  • the simulation section have an adjustable mass element, that, for example, weighed by a weighing device can be or with an impact element cooperates for mass determination.
  • a holding plate 10 is not shown
  • Coin validator shown with a raceway support plate 12 and a track 14
  • a coin channel 16 forms, through which inserted coins move
  • the coin channel 16 or coin channel section are several measuring probes assigned, one of which is shown at 18 in FIG. 1 is. It consists of two coils L1 and L2, from which one each on the holding plate 10 and the raceway support plate 12 is attached. It is understood that too a one-sided measuring probe can be provided.
  • Fig. 1 is also a flat housing 20 of a calibration module 22 arranged in the coin channel 16.
  • the external dimensions are such that the housing 20 with a little play, but can be used relatively appropriately.
  • Means serve the housing 20 in a predetermined Maintain and secure position in channel 16.
  • air coils L3 are arranged. 1 shows two, 3 three. Each air coil L3 is a pair of coils Assigned to L1, L2. They are by means of lines 24 connected to a simulation generator, not shown.
  • FIG. 2 shows the equivalent circuit diagram of two coil pairs L1, L2 with an air coil L3 again.
  • the simulation generator generates a control signal for the air coils L3, the the passage of a coin through the electromagnetic Field of the coils L1 and L2 simulated. These are around an amplitude-modulated signal, the modulation time in the order of the transit time of the coins through the field of coils L1 and L2.
  • Both three coils L3 is also the chronological order of the on the individual air coils placed signals chosen so that it corresponds to the time sequence in which the coin the magnetic Probes happened.

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

Claims (14)

  1. Procédé d'étalonnage d'un dispositif de contrôle de pièces de monnaie, comprenant au moins une sonde de mesure (18), qui est associée à une section de conduit de pièces de monnaie (16) et produit, lorsqu'une pièce de monnaie se déplace le long de la section de conduit, un signal de mesure représentant une propriété physique de la pièce de monnaie, et une mémoire programmable dans laquelle au moins un signal de référence est rangé en mémoire en vue de la comparaison avec une valeur de mesure correspondant au signal de mesure, caractérisé en ce qu'un module d'étalonnage (22) est introduit dans la section de conduit (16), en y étant immobilisé dans une position préfixée, en ce qu'au moins la propriété physique est simulée dans une section de simulation (L3), la section de simulation (L3) produisant, d'une manière commandée par un signal de commande d'un générateur de signaux, un signal qui entre en interaction avec la sonde de mesure (L1, L2), et en ce qu'au moins une valeur de référence est formée à partir de la valeur mesurée produite de la sonde de mesure (L1, L2).
  2. Procédé suivant la revendication 1, caractérisé en ce que la section de simulation (L3) du module d'étalonnage (22) est agencée de façon telle que le signal de la section de simulation (L3) produit, dans la sonde de mesure (L1, L2), un signal de mesure qui correspond, dans sa relation en fonction du temps, à la variation dans le temps du signal de mesure produit par une pièce de monnaie.
  3. Procédé suivant la revendication 1 ou 2, caractérisé en ce que la section de simulation (L3) du module d'étalonnage (22) simule, en fonction de la grandeur, la propriété physique d'une pièce de monnaie acceptable.
  4. Procédé suivant la revendication 1 ou 2, caractérisé en ce que la section de simulation (L3) du module d'étalonnage (22) simule, d'une manière indépendante de sa grandeur, la propriété physique d'une pièce de monnaie acceptable.
  5. Procédé suivant l'une des revendications 1 à 4, caractérisé en ce que, dans le cas de plusieurs sondes de mesure du dispositif de contrôle de pièces de monnaie, la section de simulation (L3) du module d'étalonnage produit, pour chaque sonde de mesure, au moins un signal respectif.
  6. Procédé suivant la revendication 5, caractérisé en ce que la séquence, dans le temps, des signaux produits par la section de simulation du module d'étalonnage correspond approximativement à la séquence dans le temps suivant laquelle une pièce de monnaie passe devant les sondes de mesure.
  7. Procédé suivant l'une des revendications 1 à 6, caractérisé en ce que la valeur de mesure correspondant au signal produit par la section de simulation est mise en mémoire dans la mémoire programmable du dispositif de contrôle, en ce que des fonctions de corrélation sont rangées dans une mémoire programmable d'un dispositif de calcul extérieur, lesquelles valeurs de mesure correspondent à des pièces de monnaie acceptables, et le dispositif de calcul calcule, au moyen de l'une des fonctions de corrélation et à partir de la valeur de mesure, la valeur de référence pour une pièce de monnaie acceptable voulue et en ce que la valeur de référence est ensuite rangée dans la mémoire programmable du dispositif de contrôle de pièces de monnaie.
  8. Dispositif d'étalonnage d'un dispositif de contrôle de pièces de monnaie acceptant au moins une pièce de monnaie, qui comprend au moins une sonde de mesure, qui est associée à une section de conduit de pièces de monnaie et produit, lorsqu'une pièce de monnaie se déplace le long de la section de conduit, un signal de mesure représentant une propriété physique de la pièce de monnaie, et une mémoire programmable dans laquelle au moins une valeur de référence est rangée en mémoire en vue d'une comparaison avec une valeur de mesure correspondant au signal de mesure, notamment pour la mise en oeuvre du procédé suivant l'une des revendications 1 à 7, caractérisé en ce qu'il est prévu un module d'étalonnage (22) qui peut être introduit dans la section de conduit (16) et être immobilisé dans celle-ci dans une position préfixée et qui comprend au moins une section de simulation (L3) simulant au moins l'une des propriétés physiques et entrant en interaction avec la sonde de mesure (L1, L2), la section de simulation (L3) étant reliée à un générateur de simulation qui délivre un signal de commande à la section de simulation.
  9. Dispositif suivant la revendication 8, caractérisé en ce que le module d'étalonnage présente des dimensions extérieures telles qu'il se place d'une manière ajustée dans la section de conduit (16).
  10. Dispositif suivant la revendication 8 ou 9, caractérisé en ce que la section de simulation (L3) comprend au moins une bobine électromagnétique, de préférence une bobine sans fer, servant à produire un champ électromagnétique.
  11. Dispositif suivant l'une des revendications 8 à 11, caractérisé en ce que la section de simulation comprend un diaphragme réglable.
  12. Dispositif suivant l'une des revendications 8 à 11, caractérisé en ce que la section de simulation comprend une section de réflexion réglable.
  13. Dispositif suivant l'une des revendications 8 à 11, caractérisé en ce que la section de simulation comprend un élément d'incidence réglable.
  14. Dispositif suivant l'une des revendications 8 à 11, caractérisé en ce que la section de simulation comprend un élément de masse réglable.
EP93114537A 1992-10-02 1993-09-10 Méthode et dispositif pour calibrer un contrÔleur de pièces de monnaie Expired - Lifetime EP0590381B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4233194A DE4233194C2 (de) 1992-10-02 1992-10-02 Verfahren zum Eichen eines mindestens eine Münze akzeptierenden Münzprüfers und Eichmodul
DE4233194 1992-10-02

Publications (3)

Publication Number Publication Date
EP0590381A2 EP0590381A2 (fr) 1994-04-06
EP0590381A3 EP0590381A3 (en) 1995-11-02
EP0590381B1 true EP0590381B1 (fr) 1999-04-07

Family

ID=6469507

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93114537A Expired - Lifetime EP0590381B1 (fr) 1992-10-02 1993-09-10 Méthode et dispositif pour calibrer un contrÔleur de pièces de monnaie

Country Status (4)

Country Link
US (1) US5495931A (fr)
EP (1) EP0590381B1 (fr)
DE (2) DE4233194C2 (fr)
ES (1) ES2131547T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9611659D0 (en) * 1996-06-05 1996-08-07 Coin Controls Coin validator calibration
US6298973B1 (en) 1999-11-10 2001-10-09 Parker Engineering & Manufacturing Co., Inc. Multiple coin analyzer system
JP2001175912A (ja) * 1999-12-21 2001-06-29 Laurel Bank Mach Co Ltd 硬貨判別装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3918565B1 (en) * 1972-10-12 1993-10-19 Mars, Incorporated Method and apparatus for coin selection utilizing a programmable memory
DE3274914D1 (en) * 1981-08-10 1987-02-05 Aeronautical General Instr A method and apparatus for calibrating a coin validation apparatus
JPS5927383A (ja) * 1982-08-06 1984-02-13 株式会社ユニバ−サル 学習式硬貨等の選別装置
GB8400046D0 (en) * 1984-01-03 1984-02-08 Starpoint Electrics Ltd Coin checking
EP0147099B1 (fr) * 1983-12-06 1992-06-17 Mars Incorporated Jetons et dispositifs pour leur manipulation
JPH0654509B2 (ja) * 1988-08-11 1994-07-20 株式会社日本コンラックス 硬貨選別精度設定装置
US5056644A (en) * 1988-08-12 1991-10-15 Parker Donald O Coin analyzer system and apparatus
US5067604A (en) * 1988-11-14 1991-11-26 Bally Manufacturing Corporation Self teaching coin discriminator
JP2936752B2 (ja) * 1991-03-04 1999-08-23 富士電機株式会社 硬貨選別装置

Also Published As

Publication number Publication date
US5495931A (en) 1996-03-05
DE4233194A1 (de) 1994-04-07
EP0590381A3 (en) 1995-11-02
DE4233194C2 (de) 1995-09-21
DE59309498D1 (de) 1999-05-12
EP0590381A2 (fr) 1994-04-06
ES2131547T3 (es) 1999-08-01

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