EP0119936A1 - Optisches Verfahren und Vorrichtung zur Bestimmung der Abmessungen eines sich bewegenden Gegenstandes, insbesondere einer Münze in einem Verkaufsautomaten - Google Patents

Optisches Verfahren und Vorrichtung zur Bestimmung der Abmessungen eines sich bewegenden Gegenstandes, insbesondere einer Münze in einem Verkaufsautomaten Download PDF

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Publication number
EP0119936A1
EP0119936A1 EP84420015A EP84420015A EP0119936A1 EP 0119936 A1 EP0119936 A1 EP 0119936A1 EP 84420015 A EP84420015 A EP 84420015A EP 84420015 A EP84420015 A EP 84420015A EP 0119936 A1 EP0119936 A1 EP 0119936A1
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EP
European Patent Office
Prior art keywords
cell
track
cells
diameter
speed
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Application number
EP84420015A
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English (en)
French (fr)
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EP0119936B1 (de
Inventor
Christian Sellier
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.)
Mecelec SA
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Mecelec SA
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Application filed by Mecelec SA filed Critical Mecelec SA
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    • 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

Definitions

  • the subject of the present invention is an optical method suitable for determining the dimensions of a moving object relative to the device itself, and it is more particularly applicable to the case of coins engaged in a prepayment device, such as a vending machine.
  • the present invention aims to make it possible to establish a particularly simple optical process requiring only a small number of cells and by means of which the diameter and thickness of a coin can be determined and / or checked extremely precisely. introduced into a device of the kind in question. But it should be understood that it can also apply to all cases posing similar problems.
  • a method for determining or verifying the dimensional characteristics of a flat object, and more particularly of a coin, which is rolled on an inclined track so as to make it pass in front of at least a normally lighted main photocell, but the illumination of which it blocks in passing, this cell being situated at a determined level above the track is characterized in that by using a section track in the form of notch with a first plane parallel to the plane of the object and a second plane whose general profile makes with the first a determined angle, there is on the path of this object an auxiliary photocell located at a different level from that ( Y-Y ') of the main cell and in that one deduces from the signals of this auxiliary cell, taking into account the speed of the object, a signal representative of the diameter of the latter for a determined depth of penetration of this object in the notch, the signals thus taken from the main cell and the auxiliary cell allowing either to calculate the diameter and the thickness of the object, or with recorded data, to check if it enters a planned category
  • the reference 1 designates a coin of diameter d located in a vertical mean plane and which rolls at a constant speed on a surface or track 2 following a rectilinear path X-X ', its guidance, its retention in the aforementioned plan and its advance being provided by means not shown, but easy to imagine. It is thus caused to pass between a photoelectric cell 3a and a light source 4a which illuminates the latter. Therefore, the output of the cell affects the ABCDEF profile shown in fig. 3. At time t is the detection of the front edge of the coin 1 and time t 2a that its rear edge.
  • the expression (t 2 a - t 1a ) / v corresponds to the length of segment or chord PQ-determined on the circular profile of the part by its intersection with the horizontal plane YY 'in which cell 3a is located. If we call this length 1, and if we designate by h the vertical distance between the planes XX 'and Y-Y', we easily find that the diameter d of the part 1 is given by the formula (1 2 + 4h 2 ) / 4h.
  • the speed of movement v of the part 1 is not a known parameter.
  • an auxiliary photoelectric cell 3b is used, also located in the plane Y-Y ', but at a certain distance from cell 3a.
  • the response of this cell to the passage of the room is indicated by the line A'B'C'D'E'F 'in fig. 3.
  • a third photoelectric cell 3c is located along the length of the groove, situated in a horizontal plane ZZ 'different from that YY' of cells 3a and 3b.
  • the height of this plane above the rolling path XX 'of the part 1 has been referenced h 2 , the height of the plane YY' here being designated by h l .
  • This cell also responds to the passage of the room 1 by sending corresponding signals to the microcomputer 5.
  • the shape of all three signals thus received by the computer namely ABCDEF for the first cell 3a, A'B'C'D'E'F 'for the second 3b, and A "B” C “D “E” F “for the third 3c, assuming the three cells arranged in elevation as shown in fig. 6.
  • the speed of the part being measured by cells 3a and 3b, this third cell "C allows for its part to measure the segment or rope RS as a function of this speed.
  • the microcomputer must deduce from the signals from cell 3c a diameter strictly equal to that calculated from those received from cells 3a and 3b. If this is not the case, it is because the part follows a different path located below or above X-X ', so that it does not have the expected thickness.
  • the device described with reference to FIG. 6 can function correctly even if the plane Y-Y 'passes substantially through the center 0 of the part. Indeed, if then cells 3a and 3b are practically unaffected by small variations in the insertion of the part into the notch 6-7, the third cell 3c, located at a clearly different level, is so sufficient to identify the part in question.
  • the device in question must successively receive several different parts in order to function, the device can then send to the microcomputer 5 signals indicating the length of the segments PQ and RS, which 'he measured.
  • the microcomputer compares this data with that stored in its memory and decides whether the document can be accepted or not. If not, it rejects it and if so it sends the representation of its value to an appropriate totalizer capable of triggering the prepayment device when the total forecast is reached.
  • Fig. 10 shows that the calculation of the diameter of the circle representative of the piece 1 (or 1 ′ or 1 ", figs. 7 and 8) is perfectly possible from the signals received from the cells, without having to worry about the height rolling path of the part considered. Indeed, if we call here 1 1 the length of the cord PQ measured by cells 3a and 3b, and 1 2 that of the cord RS determined by the third cell 3c, we can easily see that if they are arranged symmetrically with respect to a vertical axis, taking care to keep them at the spacing h l - h 2 from the horizontal planes YY 'and Z-Z', the four points PQRS clearly define a single circumference whose we can calculate the diameter when we know 1 1 , 1 2 , h l and h 2.
  • the diameter of the part is known, it is easy to calculate its thickness, if desired, by determining the height of the center 0 above one of the segments PQ and RS, by adding to the value thus found the height of the plane of this segment above that of the entry of notch 6-7, then subtracting the radius of the part from the total. From the value of this depression, the desired thickness is deduced.
  • Fig. It very schematically indicates how a device according to the invention can be produced in practice.
  • the cells such as 3a and 3c are mounted in perforations of the wall 8. This constitutes the right flank 6 of the notch lower whose oblique flank 7 is connected to another wall 9 which defines with the previous 8 the corridor in which circulate the parts introduced into the device. This corridor is closed at the top by an upper strip 10.
  • the cells are the light emitters, here 3a for cell 3a and 4c for that 3c.
  • emitters can be photo-diodes, the cells being photo-transistors on their side. But of course, one could use any other type of equivalent element, in particular incandescent point bulbs with lenses and diaphragms suitably calibrated in cases where one wishes to obtain a particularly high precision. It would still be possible to use devices integrating transmitters and receivers on the same side of the corridor (barcode reader type).
  • At least one of the planes Y-Y 'and Z-Z' may be above the center of the room.
  • the spacing between cells 3a and 3b can vary.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Coins (AREA)
  • Length Measuring Devices By Optical Means (AREA)
EP84420015A 1983-02-10 1984-02-01 Optisches Verfahren und Vorrichtung zur Bestimmung der Abmessungen eines sich bewegenden Gegenstandes, insbesondere einer Münze in einem Verkaufsautomaten Expired EP0119936B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8302442 1983-02-10
FR8302442A FR2541019B1 (fr) 1983-02-10 1983-02-10 Procede optique pour determiner les dimensions d'un objet en mouvement relatif, et plus particulierement d'une piece de monnaie dans un appareil a pre-paiement, et dispositif pour sa mise en oeuvre

Publications (2)

Publication Number Publication Date
EP0119936A1 true EP0119936A1 (de) 1984-09-26
EP0119936B1 EP0119936B1 (de) 1986-12-03

Family

ID=9285941

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84420015A Expired EP0119936B1 (de) 1983-02-10 1984-02-01 Optisches Verfahren und Vorrichtung zur Bestimmung der Abmessungen eines sich bewegenden Gegenstandes, insbesondere einer Münze in einem Verkaufsautomaten

Country Status (7)

Country Link
US (1) US4585936A (de)
EP (1) EP0119936B1 (de)
JP (1) JPS59182303A (de)
DE (1) DE3461568D1 (de)
DK (1) DK57184A (de)
FI (1) FI77336C (de)
FR (1) FR2541019B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4313544A1 (de) * 1993-04-24 1994-10-27 Nat Rejectors Gmbh Halterung für Halbleiterbauteile einer Lichtschranke in einem Münzgerät
EP0694888A1 (de) 1994-07-29 1996-01-31 Landis & Gyr Technology Innovation AG Einrichtung zur Prüfung von Münzen oder flachen Gegenständen

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4646904A (en) * 1985-09-05 1987-03-03 Coin Acceptors, Inc. Coin sizing means and method
ES8708074A1 (es) * 1986-05-21 1987-09-01 Azkoyen Ind Sa Perfeccionamientos en mecanismos selectores de moneda
DE3625564A1 (de) * 1986-07-29 1988-02-04 Hegenscheidt Gmbh Wilhelm Verfahren zur ermittlung des durchmessers der raeder von schienenfahrzeugen und einrichtung hierzu
DE3640633A1 (de) * 1986-11-27 1988-06-09 Kugelfischer G Schaefer & Co Kaefig fuer kugellager
FI81458C (fi) * 1987-03-31 1990-10-10 Inter Marketing Oy Anordning foer identifiering av mynt eller dylika.
JP2524823B2 (ja) * 1988-11-02 1996-08-14 株式会社田村電機製作所 硬貨外径選別装置
GB2243238B (en) * 1990-04-20 1994-06-01 Tetrel Ltd Coin validators
IT1243886B (it) * 1990-11-02 1994-06-28 Marconi Italiana Automazione E Metodo ed apparecchiatura per l'identificazione di monete.
GB9024988D0 (en) * 1990-11-16 1991-01-02 Coin Controls Coin discrimination apparatus with optical sensor
GB2266175B (en) * 1992-04-14 1996-01-24 Nsm Ag A device for the measurement of the diameter of coins or other circular objects
US5381880A (en) * 1992-11-09 1995-01-17 Pearson; Rune S. Electronic coin mechanism
DE4314596C1 (de) * 1993-05-04 1994-10-27 Nat Rejectors Gmbh Vorrichtung zum Festlegen von Sensorelementen in elektronischen Münzprüfgeräten
US5684597A (en) * 1994-02-10 1997-11-04 Hossfield; Robin C. Method and device for coin diameter discrimination
MX9603851A (es) * 1994-03-04 1997-04-30 Austel Licensing Gmbh Procedimiento para reconocer monedas y dispositivo correspondiente.
US5562917A (en) * 1994-12-23 1996-10-08 Pentech Pharmaceuticals, Inc. Transdermal administration of apomorphine
KR100296694B1 (ko) * 1997-05-21 2001-08-07 오까다 마사하루 화폐선별방법및장치
US20040079616A1 (en) * 1997-07-11 2004-04-29 Castleberry Billy J. Snack dispenser
US7635059B1 (en) 2000-02-02 2009-12-22 Imonex Services, Inc. Apparatus and method for rejecting jammed coins
TW411389B (en) * 2000-03-09 2000-11-11 Liou Hung Lung Method for measuring dimensions of a circular object through time measurement
JP2002109596A (ja) * 2000-09-28 2002-04-12 Nippon Conlux Co Ltd 貨幣識別方法及び装置
US7822679B1 (en) * 2001-10-29 2010-10-26 Visa U.S.A. Inc. Method and system for conducting a commercial transaction between a buyer and a seller
US20030154153A1 (en) * 2002-01-31 2003-08-14 Steidlmayer J. Peter Composite commodity financial product
US6798353B2 (en) * 2002-04-24 2004-09-28 Itron Electricity Metering, Inc. Method of using flash memory for storing metering data
US8606697B2 (en) * 2004-06-17 2013-12-10 Visa International Service Association Method and system for providing buyer bank payable discounting services
US7711639B2 (en) * 2005-01-12 2010-05-04 Visa International Pre-funding system and method
WO2010106622A1 (ja) * 2009-03-16 2010-09-23 グローリー株式会社 径検出装置および径検出方法
US8170831B2 (en) * 2009-04-29 2012-05-01 Maw-Yuan Liou Apparatus and method for measuring dimension of circular object
JP5237881B2 (ja) * 2009-05-07 2013-07-17 茂源 劉 円形の物体のサイズを測定する手段とその方法
CN106043356A (zh) * 2016-05-27 2016-10-26 南京理工大学 一种城轨列车轮缘顶点圆直径在线检测方法及系统
CN105835901B (zh) * 2016-05-27 2019-01-18 南京理工大学 一种列车车轮直径检测的方法及其系统
CN106091959B (zh) * 2016-05-27 2018-10-12 南京睿速轨道交通科技有限公司 一种城轨列车车轮轮缘顶点圆直径的检测方法及其系统
CN106091951B (zh) * 2016-05-27 2018-11-13 南京理工大学 一种城轨列车轮缘参数在线检测系统及方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2042780A5 (de) * 1969-04-01 1971-02-12 Mars Inc
FR2149436A1 (de) * 1971-08-16 1973-03-30 Mars Inc
FR1605182A (de) * 1967-07-17 1973-04-16
FR2215661A1 (de) * 1973-01-29 1974-08-23 Tel Sa
US4249648A (en) * 1978-04-27 1981-02-10 Keene Corporation Token identifying system
EP0078214A1 (de) * 1981-10-27 1983-05-04 Joel Doucet Prüfeinrichtung für eine Vielzahl verschiedener Münzen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1580425A (en) * 1976-01-09 1980-12-03 Mars Inc Coin testing apparatus
GB1582847A (en) * 1976-12-02 1981-01-14 Mars Inc Coin testing device
US4267916A (en) * 1979-01-30 1981-05-19 Keene Corporation Coin identification system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1605182A (de) * 1967-07-17 1973-04-16
FR2042780A5 (de) * 1969-04-01 1971-02-12 Mars Inc
FR2149436A1 (de) * 1971-08-16 1973-03-30 Mars Inc
FR2215661A1 (de) * 1973-01-29 1974-08-23 Tel Sa
US4249648A (en) * 1978-04-27 1981-02-10 Keene Corporation Token identifying system
EP0078214A1 (de) * 1981-10-27 1983-05-04 Joel Doucet Prüfeinrichtung für eine Vielzahl verschiedener Münzen

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4313544A1 (de) * 1993-04-24 1994-10-27 Nat Rejectors Gmbh Halterung für Halbleiterbauteile einer Lichtschranke in einem Münzgerät
DE4313544C2 (de) * 1993-04-24 2001-11-08 Nat Rejectors Gmbh Lichtschranke in einem Münzgerät
EP0694888A1 (de) 1994-07-29 1996-01-31 Landis & Gyr Technology Innovation AG Einrichtung zur Prüfung von Münzen oder flachen Gegenständen
LT4004B (en) 1994-07-29 1996-07-25 Landis & Gyr Tech Innovat Method for the testing of coins or flat articles

Also Published As

Publication number Publication date
JPH0374764B2 (de) 1991-11-28
FI840509L (fi) 1984-08-11
DK57184A (da) 1984-08-11
EP0119936B1 (de) 1986-12-03
FI840509A0 (fi) 1984-02-08
US4585936A (en) 1986-04-29
FR2541019B1 (fr) 1986-07-18
DK57184D0 (da) 1984-02-09
DE3461568D1 (en) 1987-01-15
FI77336B (fi) 1988-10-31
FI77336C (fi) 1989-02-10
JPS59182303A (ja) 1984-10-17
FR2541019A1 (fr) 1984-08-17

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