WO1980001963A1 - Dispositif pour la discrimination d'objets a controler - Google Patents

Dispositif pour la discrimination d'objets a controler Download PDF

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Publication number
WO1980001963A1
WO1980001963A1 PCT/CH1979/000161 CH7900161W WO8001963A1 WO 1980001963 A1 WO1980001963 A1 WO 1980001963A1 CH 7900161 W CH7900161 W CH 7900161W WO 8001963 A1 WO8001963 A1 WO 8001963A1
Authority
WO
WIPO (PCT)
Prior art keywords
values
measured
measured values
alpha
new
Prior art date
Application number
PCT/CH1979/000161
Other languages
German (de)
English (en)
Inventor
C Bercovitz
Original Assignee
Sodeco Compteurs De Geneve
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 Sodeco Compteurs De Geneve filed Critical Sodeco Compteurs De Geneve
Publication of WO1980001963A1 publication Critical patent/WO1980001963A1/fr
Priority to DK485380A priority Critical patent/DK485380A/da

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
    • G07D7/20—Testing patterns thereon
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/14—Quality control systems
    • 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
    • G07D7/12—Visible light, infrared or ultraviolet radiation

Definitions

  • the invention relates to a device for distinguishing test objects according to the preamble of claim 1.
  • Such devices are used to carry out a selection on any test objects, the measured values of which, at least approximately, obey a Gauss' normal distribution.
  • the devices generally contain a selection device which makes it possible to compare the measured values of the objects to be checked with the measured values of a reference object, in order thereby to obtain a GutSeh lecht decision.
  • the limit values for the good-bad decision it is necessary to record the measured values of as large a number of test objects as possible and to determine the mean value and the scatter therefrom in order to then be able to determine the size of the limit values. Since the individual elements of the device, such as photocells, filters, light sources, etc., have a manufacturing-related spread of their characteristics, and because the devices under discussion require a high acceptance probability for the test objects, the limit values for the good / bad Decision can be made individually in the manner described. This means a lot of effort and the same procedure must be repeated every time the measured value of the test objects has to be changed for some reason.
  • the invention has for its object to provide a device of the type mentioned, in which the setting of the limit values is easier and which adapts itself automatically to any migration that may occur.
  • the invention is characterized in claim 1.
  • FIG. 1 shows a block diagram of a device and FIG. 2 shows a flow diagram of a test procedure.
  • 1 means a measuring point for checking a banknote. This is exposed to light radiation, and the measuring point 1 determines a measured value to be processed further on the basis of the radiation reflected from the banknote.
  • the measuring point 1 is connected to a decision logic 2.
  • the decision logic checks whether the measured value x i . lies within two limit values x a and x b stored in a memory 3. Is this not the case because, for example, the entered banknote is a forgery, then the decision logic 2 causes the banknote to be forwarded to a return point 4.
  • the measuring point 1 is also connected to an arithmetic unit 6 for the statistical processing of each measured value x i of a banknote found to be good.
  • the arithmetic unit 6 has two further inputs 7 and 8. The input 7 is used to set a weighting factor a and the input 8 is used to preselect a tolerance factor p.
  • a connection 9 leads from the good exit of the decision logic 2 to the arithmetic logic unit 6. As soon as the decision logic has assessed an entered bank note as good, the bank note is passed to a cash register 10. The arithmetic logic unit 6 is activated via the connection 9.
  • the arithmetic logic unit 6 takes the data contained therein for the mean value from its own memory and the quadratic mean previously checked banknotes and recalculates the values based on the last pending measured value x i and taking into account the specified weighting factor a.
  • the weighting factor a which is adjustable between two limit values at the input 7, determines the influence that the new measured value x i has on the calculation compared to the values stored in the arithmetic unit 6 should have.
  • the tolerance factor p that can be set at input 8 is used to determine the size of the scattering range. It determines the limit values xa, xb, as a multiple of scatter ⁇ to be calculated. It is
  • the arithmetic unit 6 returns these new values instead of the old values to the memory 3, where they are again available for checking the next banknote.
  • Another input 11 on the arithmetic unit 6 is used for the first-time input of empirical values for the mean and the root mean square before the device is started up for the first time.
  • the computer 6 of a new device coming from production is therefore given experience values for the mean at the inputs 11 and 8 and the root mean square entered the tolerance factor p to form the limit values x a , x b , after which some bank notes are then checked.
  • To adjust the mean value as soon as possible it makes sense if the weighting factor a at the input 7 of the arithmetic unit 6 is initially set so that the last measured value x i is used to calculate a new mean value for checking the first banknotes has a big impact. After the device has been started up and some banknotes have been accepted, the influence of the last measured value x i at input 7 can be reduced by changing the weighting factor a.
  • the change in the weighting factor a can also be changed by a
  • a block 12 of the computer 6 determines the spread ⁇ according to the relationship as described above
  • the values of x a and x b are stored in the memory 3 of FIG. 1, not shown in FIG. 2.
  • the device is thus ready for processing a measured value x i , ie a bank note can now be entered, which is reported by a connection 14 to a first decision point 15.
  • the decision-making point checks whether a measured value x i arrives or not, and reports it to another block 16, which forwards the measured value x 1 to a second decision-making part 17.
  • the measured value meets the condition not, then the banknote is rejected, passed to the return point 4 and the entry for another banknote is released again.
  • a signal goes from the decision-making point 17 to a block 18, which triggers the transport of the banknote to the cash register 10 and forwards the measured value x i to a block 20 via a start block 19 for further evaluation in the computer 6. This calculates a new mean and the root mean square
  • Calculator 6 the previous average and the previous quadratic mean from its own memory and weights the new measured value x i according to the weighting factor a according to the relationships
  • a microcomputer is particularly suitable as arithmetic unit 6 in the solution described. Their use is therefore advantageous wherever there is already a microcomputer for tamper-proof recording of the measured values x. is available.
  • a different calculation method could also be used, for example by storing all individual measured values x i of a quantity of bank notes corresponding to the weighting factor a to a shift register, to which the new value is added and the oldest value removed, and the mean value from these measured values and the quadratic mean ⁇ 2 are recalculated.
  • the device can also be used for the recognition of any other objects. '

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • General Engineering & Computer Science (AREA)
  • Evolutionary Biology (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Automation & Control Theory (AREA)
  • Quality & Reliability (AREA)
  • Evolutionary Computation (AREA)
  • Artificial Intelligence (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

Dans un poste de mesure (1) est mesuree au moins une grandeur physique de chaque objet a controler. Une logique de decision (2) juge chaque valeur mesuree relativement a des valeurs limites contenues dans une memoire (3) et decide si l'objet doit etre ou non accepte. Les valeurs mesurees des objets acceptes sont exploitees statistiquement dans un calculateur (6). Les objets refuses parviennent a un poste de restitution (4). Chaque valeur mesuree parvenant au calculateur (6) est combinee, avec un coefficient de ponderation (a) selectionnable present sur une entree (7), avec les valeurs mesurees precedentes memorisees afin d'obtenir une nouvelle valeur moyenne ((Alpha)) et une nouvelle moyenne quadratique ((Alpha)2). Un facteur de tolerance (p) de la dispersion, present sur une entree (8), determine les valeurs limites valables pour l'objet suivant. Le dispositif convient au controle des billets de banque, et pour l'exploitation des valeurs mesurees un microcalculateur peut etre utilise. Une entree (11) sert a l'introduction de valeurs empiriques pour la valeur moyenne ((Alpha)) et la moyenne quadratique ((Alpha)2) avant la mise en service du dispositif. Pour l'etablissement des valeurs limites, les valeurs mesurees des premiers billets de banque sont utilisees avec un coefficient de ponderation ( (Alpha)) de poids eleve, apres quoi le poids peut etre reduit.
PCT/CH1979/000161 1979-03-16 1979-12-17 Dispositif pour la discrimination d'objets a controler WO1980001963A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK485380A DK485380A (da) 1979-03-16 1980-11-13 Apparat til adskillelse af proeveobjekter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2483/79 1979-03-16
CH248379A CH640433A5 (de) 1979-03-16 1979-03-16 Vorrichtung zur unterscheidung von pruefobjekten.

Publications (1)

Publication Number Publication Date
WO1980001963A1 true WO1980001963A1 (fr) 1980-09-18

Family

ID=4234814

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1979/000161 WO1980001963A1 (fr) 1979-03-16 1979-12-17 Dispositif pour la discrimination d'objets a controler

Country Status (9)

Country Link
CH (1) CH640433A5 (fr)
DE (1) DE2953588D2 (fr)
DK (1) DK485380A (fr)
FR (1) FR2451599B1 (fr)
GB (1) GB2059129B (fr)
IT (1) IT1130050B (fr)
NL (1) NL7920168A (fr)
SE (1) SE421356B (fr)
WO (1) WO1980001963A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051089A2 (fr) * 1980-11-04 1982-05-12 The Boeing Company Méthode d'analyse de données balayées
EP0072237A2 (fr) * 1981-08-11 1983-02-16 De La Rue Systems Limited Appareil pour balayer un document
EP0084284A2 (fr) * 1982-01-08 1983-07-27 Nuvatec Inc Dispositif de contrôle pour machine de façonnage
FR2543328A1 (fr) * 1983-03-22 1984-09-28 Rockwell Rimoldi Spa Appareil servant au traitement de donnees, une fois qu'elles sont determinees, avec formation automatique du diagramme de controle realise en utilisant une moyenne et une gamme de valeurs
EP0227479A2 (fr) * 1985-12-23 1987-07-01 Westinghouse Electric Corporation Procédé pour déterminer la dérive de la tension et le niveau de bruit utilisant un signal de validation espace-parité
EP0328441A2 (fr) * 1988-02-10 1989-08-16 Tamura Electric Works, Ltd. Méthode pour la correction de données de pièces de monnaie et dispositif pour l'examen de pièces de monnaie
EP0220206B1 (fr) * 1985-04-18 1991-10-16 Robert Bosch Gmbh Procede de controle des signaux d'un tachymetre
EP1324279A1 (fr) * 2001-12-28 2003-07-02 Mars Incorporated Dispositif pour la validation d'objets monétaires et procédé pour configurer un tel dispositif
DE10360859A1 (de) * 2003-12-23 2005-07-21 Giesecke & Devrient Gmbh Banknotenbearbeitungsmaschine und Verfahren für das Erkennen von gefälschten Banknoten
US8797516B2 (en) 2009-06-09 2014-08-05 Beb Industrie-Elektronik Ag Method for separating worn bank notes from a quantity of bank notes in bank note processing machines

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH684222A5 (de) * 1992-03-10 1994-07-29 Mars Inc Einrichtung zur Klassifizierung eines Musters, insbesondere von einer Banknote oder von einer Münze.
CH684856A5 (de) * 1992-11-30 1995-01-13 Mars Inc Verfahren zur Klassifizierung eines Musters - insbesondere eines Musters einer Banknote oder einer Münze - und Einrichtung zur Durchführung des Verfahrens.
GB2284293B (en) * 1993-11-30 1998-06-03 Mars Inc Article classifying method and apparatus
US5931277A (en) * 1995-05-09 1999-08-03 Mars, Incorporated Money validation system using acceptance criteria
GB2341263B (en) 1998-08-14 2002-12-18 Mars Inc Method and apparatus for validating currency
GB2345372B (en) 1998-12-30 2003-04-16 Mars Inc Method and apparatus for validating coins
GB2348729A (en) 1999-04-07 2000-10-11 Mars Inc A money validator reprogrammable using externally recieved data
DE102004038153B4 (de) * 2004-08-06 2006-05-11 National Rejectors, Inc. Gmbh Verfahren zur Prüfung von Münzen auf Echtheit in einem Münzgerät
IL202028A (en) 2009-11-10 2016-06-30 Icts Holding Company Ltd Product, devices and methods for computerized authentication of electronic documents

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664557A (en) * 1951-06-20 1953-12-29 Sargrove Electronics Ltd Weight deviation testing device
US3515860A (en) * 1967-11-06 1970-06-02 Industrial Nucleonics Corp Process controller with dynamic set-point adjustment responsive to the statistical variance of the controlled property
US3648035A (en) * 1969-06-02 1972-03-07 Industrial Nucleonics Corp System and method for optimizing processor or equipment profit
US3876872A (en) * 1971-10-14 1975-04-08 Industrial Nucleonics Corp Process control system and method with integral-action set-point optimization using statistically-variable gain control responsive to fraction defective
US3878982A (en) * 1973-11-16 1975-04-22 Industrial Nucleonics Corp Automatic target management method and system
US3946212A (en) * 1973-06-18 1976-03-23 Toyota Jidosha Kokyo Kabushiki Kaisha Automatic quality control system
US3995478A (en) * 1972-06-09 1976-12-07 Industrial Nucleonics Corporation Plural interrelated set point controller

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2664557A (en) * 1951-06-20 1953-12-29 Sargrove Electronics Ltd Weight deviation testing device
US3515860A (en) * 1967-11-06 1970-06-02 Industrial Nucleonics Corp Process controller with dynamic set-point adjustment responsive to the statistical variance of the controlled property
US3648035A (en) * 1969-06-02 1972-03-07 Industrial Nucleonics Corp System and method for optimizing processor or equipment profit
US3876872A (en) * 1971-10-14 1975-04-08 Industrial Nucleonics Corp Process control system and method with integral-action set-point optimization using statistically-variable gain control responsive to fraction defective
US3995478A (en) * 1972-06-09 1976-12-07 Industrial Nucleonics Corporation Plural interrelated set point controller
US3946212A (en) * 1973-06-18 1976-03-23 Toyota Jidosha Kokyo Kabushiki Kaisha Automatic quality control system
US3878982A (en) * 1973-11-16 1975-04-22 Industrial Nucleonics Corp Automatic target management method and system

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0051089A3 (en) * 1980-11-04 1984-02-15 The Boeing Company Method and apparatus for the analysis of scanned data
EP0051089A2 (fr) * 1980-11-04 1982-05-12 The Boeing Company Méthode d'analyse de données balayées
EP0072237A2 (fr) * 1981-08-11 1983-02-16 De La Rue Systems Limited Appareil pour balayer un document
EP0072237A3 (en) * 1981-08-11 1983-07-06 De La Rue Systems Limited Apparatus for scanning a sheet
EP0084284A2 (fr) * 1982-01-08 1983-07-27 Nuvatec Inc Dispositif de contrôle pour machine de façonnage
EP0084284A3 (fr) * 1982-01-08 1985-03-06 Nuvatec Inc Dispositif de contrôle pour machine de façonnage
FR2543328A1 (fr) * 1983-03-22 1984-09-28 Rockwell Rimoldi Spa Appareil servant au traitement de donnees, une fois qu'elles sont determinees, avec formation automatique du diagramme de controle realise en utilisant une moyenne et une gamme de valeurs
EP0220206B1 (fr) * 1985-04-18 1991-10-16 Robert Bosch Gmbh Procede de controle des signaux d'un tachymetre
EP0227479A2 (fr) * 1985-12-23 1987-07-01 Westinghouse Electric Corporation Procédé pour déterminer la dérive de la tension et le niveau de bruit utilisant un signal de validation espace-parité
EP0227479A3 (en) * 1985-12-23 1989-10-11 Westinghouse Electric Corporation System for determining dc drift and noise level using parity-space signal validation
EP0328441A2 (fr) * 1988-02-10 1989-08-16 Tamura Electric Works, Ltd. Méthode pour la correction de données de pièces de monnaie et dispositif pour l'examen de pièces de monnaie
EP0328441A3 (fr) * 1988-02-10 1991-06-12 Tamura Electric Works, Ltd. Méthode pour la correction de données de pièces de monnaie et dispositif pour l'examen de pièces de monnaie
EP1324279A1 (fr) * 2001-12-28 2003-07-02 Mars Incorporated Dispositif pour la validation d'objets monétaires et procédé pour configurer un tel dispositif
US6902049B2 (en) 2001-12-28 2005-06-07 Mars, Incorporated Apparatus for validating currency items, and method of configuring such apparatus
DE10360859A1 (de) * 2003-12-23 2005-07-21 Giesecke & Devrient Gmbh Banknotenbearbeitungsmaschine und Verfahren für das Erkennen von gefälschten Banknoten
US8077961B2 (en) 2003-12-23 2011-12-13 Giesecke & Devrient Gmbh Bank note processing machine and method for identifying forged bank notes
US8797516B2 (en) 2009-06-09 2014-08-05 Beb Industrie-Elektronik Ag Method for separating worn bank notes from a quantity of bank notes in bank note processing machines

Also Published As

Publication number Publication date
SE421356B (sv) 1981-12-14
NL7920168A (nl) 1980-12-31
FR2451599A1 (fr) 1980-10-10
IT1130050B (it) 1986-06-11
IT8020633A0 (it) 1980-03-14
CH640433A5 (de) 1984-01-13
GB2059129B (en) 1983-04-20
GB2059129A (en) 1981-04-15
SE8008022L (sv) 1980-11-14
DK485380A (da) 1980-11-13
FR2451599B1 (fr) 1988-04-08
DE2953588D2 (en) 1981-02-26

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