EP0224946A2 - Verfahren zum Identifizieren von Münzen - Google Patents

Verfahren zum Identifizieren von Münzen Download PDF

Info

Publication number
EP0224946A2
EP0224946A2 EP19860201826 EP86201826A EP0224946A2 EP 0224946 A2 EP0224946 A2 EP 0224946A2 EP 19860201826 EP19860201826 EP 19860201826 EP 86201826 A EP86201826 A EP 86201826A EP 0224946 A2 EP0224946 A2 EP 0224946A2
Authority
EP
European Patent Office
Prior art keywords
coin
counter
attenuation
signal
measurements
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
EP19860201826
Other languages
English (en)
French (fr)
Other versions
EP0224946B1 (de
EP0224946A3 (en
Inventor
Kai Börje Hansen
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.)
Alcatel Kirk AS
Original Assignee
Standard Electric Kirk AS
Alcatel Kirk AS
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 Standard Electric Kirk AS, Alcatel Kirk AS filed Critical Standard Electric Kirk AS
Priority to AT86201826T priority Critical patent/ATE99816T1/de
Publication of EP0224946A2 publication Critical patent/EP0224946A2/de
Publication of EP0224946A3 publication Critical patent/EP0224946A3/en
Application granted granted Critical
Publication of EP0224946B1 publication Critical patent/EP0224946B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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

Definitions

  • the present invention relates to a method and apparatus for identifying coins including guidance of a coin through a passage in which certain properties of the coin are measured by an electromagnetic device, and where a number of measure­ments are taken at different positions of the coin within the passage.
  • Coin filters are previously known from e.g. - UK Pat. No. 1.551.209 describes a device for checking metal pieces, particularly coins, by which electromagnetic response is measured at predetermined periods of time, related to the speed at which the coin passes the detect­or.
  • - UK Pat. Appl. No. 2.107.104 describes a coin identifica­tion apparatus having an inductive coil wound on a ferrite core having two poles adapted in size and location to the coin types to be detected.
  • a coin filter which is independent of the time it takes for a coin to pass a detector. It is simple in that it uses only one set of electromagnetic coils for taking a plurality of successive electromagnetic measurements of each coin. The coin positions at which the measurements are taken are determined by the coin itself.
  • the coin interrupts a number of light channels 3, 4, 5 before passing the center of pair of coils 6.
  • the reduction of the coupling between coils are measured a number of times with the coin in different positions controlled by the light channels.
  • the coupling between the coils 6 will first be describ­ed.
  • a sinusoidal signal E is emitted by one coil CE.
  • CE coils
  • the amplitude of the received signal R is determined by the coupling factor of the two coils.
  • the received signal is attenuated.
  • the difference in amplitude (attenuation Ai) on the received signal is the results (A1, A2, A3, ... An and Amax) which are measured for different positions of the coin.
  • the light channels 3, 4, 5 are placed in different heights over the ramp 2 and in different distance from the coil center.
  • the light channels should be placed so that no channels simultaneously hit the trailing edge of any passing coin.
  • the "rate" of attenuation change will be measured in addition to the maximum attenuation. This gives an indication of the stamp of the coin.
  • the largest and normally most valuable coins will break most of the light channels and thereby give relevant measurements.
  • the first measurement should preferably show the smallest attenuation.
  • the light channels should be arranged so that at least 1% (preferably between 1 - 20%) of the coin area is within the sensitive part of the coil when the first measurement is taken.
  • the block diagram of a coin identifier circuit is given in fig. 5 (In the following description the number of light channels is set to three).
  • the coin identifier includes a micro computer 10 having the following control lines: LC1, LC2 and LC3: Light channel selection RESET: Reset line for resetting an 8 bit counter 11 after completion of measurements.
  • DATA BUS DB
  • All measured results A1, A2, ...) are transmitted to the micro computer 10 via 8 output lines from an 8 bit port 12.
  • INTERRUPT INT: This line signals (INT) to the micro-computer 10 that a result is present at the port 12.
  • the counter 11 counts the number of pulses seen on a line CP2 from a clock pulse generator 13. This is a direct binary measure of attenuation Ai.
  • Selection of light channels ELC1-3, RLC1-3 is made in a selector/decoder 14 by the micro computer 10 via the control lines LC1, LC2 and LC3, which are enabled when the counter 11 goes from its reset rest position.
  • the receiver part of the selector/decoder 14 sends the signal INT to the micro computer 10 for each position of the coin where the results are to be read from the port 12.
  • the signal INT is present the contents of the port 12 is latched.
  • the clock pulse generator 13 supplies the transmitting or emitting coil CE with an alternating voltage CP1 which is made sinusoidal by an RC-network RCE.
  • the generator also loads the counter 11 with clock pulses CP2 when not inhibited by a comparator 15.
  • the generator 13 is provided with a pulse stretching arrangement for the inhibiting signal INH from the comparator 15.
  • the contents of the counter 11 is transmitted to the micro-computer 10 via the port 12.
  • the signal INT goes “low”
  • the contents are latched.
  • With a "high” on the INT line the counter contents is transmitted directly to the data bus DB.
  • a digital/analog converter (D/A) 16 translates the binary contents of the counter 11 into an analog signal which is fed to the comparator 15.
  • the level of the received signals OUT-COIL from the received coil CR is compared with the output OUT-DA from the D/A converter 16, confer Fig. 6.
  • the comparator output INH becomes low. In rest position this will happen for every negative half wave of the OUT-COIL signal.
  • the pulse stretcher in the clock pulse generator 13 covers the period between half waves, and as long pulses arrive with short intervals (see Figure 6), the clock pulse CP2 to the counter 11 is inhibited.
  • the clock pulse signal CP2 is no longer inhibited and the counter 11 starts counting.
  • the contents of this counter is now converted into an analog signal via the D/A converter 16. Since the binary input of the D/A converter 16 increases, its output signal OUT-DA will increase too.
  • the signal OUT-DA will follow the attenuated amplitude of the received signal until the maximum attenuation is reached. Once this level has been reached by OUT-DA, the amplitude of the signal OUT-COIL starts increasing and the negative half wave of the signal will go below OUT-DA again. As a consequence the INH-line will start pulsing again, CP2 is inhibited and the counter stops in the position it reached and remains stable. The contents of the counter is a number indicating the maximum attenuation for the coin and OUT-DA remains stable at the maximum attenuation level. Also the information from the port 12 to the DB line remains stable at its highest value for the particular coin.
  • the INT signal disappears so that the port 12 is opened for new data and ELC2 is on.
  • the counter will continue to run as the coin passes the coil on its way to the maximum attenuation position.
  • RLC2 receives light
  • the contents of the port 12, which reads the accumulated number in the counter 11 will again be latched
  • a new INT signal causes the micro computer 10 to read the port 12, store the result as "RESULT SECOND ATTENUATION" A2 and change the high level signal from LC2 to LC3.
  • the high level signal on LC3 is removed, and the INT signal disappears so that the port 12 is again opened for new data.
  • the micro computer 10 waits for the maximum attenuation level for the particular coin by checking the contents of the counter 11 via the port 12 every 8 msec. When two successive measurements show that the counter contents remain unchanged (different from zero), the port contents is stored as "RESULT MAX. ATTENUATION" (Amax). After that the counter 11 is reset and a high level signal is put onto LC1, waiting for the next coin. The emitter ELC1 is, however, not lit before a new coin starts atten­uating the coil signals.
  • Fig. 7 shows the attenuation as represented by the OUT-COIL signal occurring during the passage AM of the coin.
  • the clock pulses CP2 to the counter 11 are also indicated as well as the positions on the OUT-COIL envelope curve where the attenuation measurements A1, A2, A3 and Amax are taken.
  • the OUT-DA signal will go low as soon as the counter 11 is reset.
  • the maximum attenuation (Result Amax) has a correlation to the other measured attenuations, (Result A1, A2 and A3) determined by the geometry and stamp of the coin,the difference between the adjoining results will be represented by a much narrower Gauss distribution curve for a random sample, than the maximum result Amax would give alone.
  • the measured values may be combined in many ways. A high selectivity may be obtained by using two calculated values Amax-A3 and A3-A2 in addition to three of the initial measured results (A1, A2, and Amax).
  • Setting of the limits can be done by inserting a random sample of a coin type in the coin identifier.
  • the result of the different measurements for this sample can then be represented by Gauss distributions characterised by mean value ( ⁇ ) and standard deviation (d).
  • the limits for the five results are then calculated (e.g. ⁇ 2d) and stored in an EPROM.
  • a "flow chart" of the present invention can be listed as follows: - Counter is reset, - lights are off - Un-attenuated signal is received by receiver coil - Coin enters between coils - The signal starts getting attenuated - The counter starts counting, not time, but stepwise (incrementals) increases in attenuation - Light channel 1 is turned on - Coin blocks light - Coin opens for light - Counter status is registered (A1) - Light channel 1 is turned off - Light channel 2 is turned on - Coin opens for light - Counter status is registered (A2) - Light channel 2 is turned off - Counter contents are continuously cheched to find maximum attenuation - Max attenuation is found - Counter status is registered (Amax) - Counter is reset - Registered numbers (A1, A2 .... Amax) are evaluated individually and/or in combination. - Coin is accepted or rejected. - Ready for new coin Smaller coins do not block for light channel 1 (and 2). The results A1 (and A2) are registered immediately in the

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Coins (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Telephone Function (AREA)
  • Cosmetics (AREA)
  • Noodles (AREA)
  • Soil Working Implements (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Television Signal Processing For Recording (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
EP86201826A 1985-11-27 1986-10-21 Verfahren zum Identifizieren von Münzen Expired - Lifetime EP0224946B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86201826T ATE99816T1 (de) 1985-11-27 1986-10-21 Verfahren zum identifizieren von muenzen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK547985A DK158418C (da) 1985-11-27 1985-11-27 Fremgangsmaade til identificering af moenter og apparat til brug ved udoevelse af fremgangsmaaden
DK5479/85 1985-11-27

Publications (3)

Publication Number Publication Date
EP0224946A2 true EP0224946A2 (de) 1987-06-10
EP0224946A3 EP0224946A3 (en) 1989-02-22
EP0224946B1 EP0224946B1 (de) 1994-01-05

Family

ID=8142791

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86201826A Expired - Lifetime EP0224946B1 (de) 1985-11-27 1986-10-21 Verfahren zum Identifizieren von Münzen

Country Status (10)

Country Link
EP (1) EP0224946B1 (de)
JP (1) JPS62131397A (de)
AT (1) ATE99816T1 (de)
AU (1) AU585092B2 (de)
DE (1) DE3689514T2 (de)
DK (1) DK158418C (de)
ES (1) ES2047475T3 (de)
FI (1) FI88968C (de)
NO (1) NO171936C (de)
NZ (1) NZ218263A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2649819A1 (fr) * 1989-07-12 1991-01-18 Jofemar Sa Ameliorations apportees a la lecture des senseurs magnetiques de selecteurs de pieces de monnaie
EP0665970A1 (de) * 1992-10-19 1995-08-09 De La Rue Syst Vorrichtung und verfahren zum fördern von münzen.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0505609B2 (de) * 1991-03-27 2004-03-17 Nippon Conlux Co., Ltd. Vorrichtung und Verfahren zum Unterscheiden von Münzen

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3739895A (en) * 1971-08-16 1973-06-19 G Fougere Method and apparatus for testing coins employing dimensional categorizing means
US3754558A (en) * 1972-03-13 1973-08-28 Abbott Coin Counter Coin processing apparatus with jam detection system
DE2213376A1 (de) * 1972-03-20 1973-09-27 Pruemm Geb Heuser Margot Elektronischer muenzpruefer
JPS4928476A (de) * 1972-07-14 1974-03-13
JPS51147394A (en) * 1975-06-12 1976-12-17 Anritsu Corp Coin sorter
JPS52117698A (en) * 1976-03-29 1977-10-03 Anritsu Electric Co Ltd Coin selecting device
FR2359468A2 (fr) * 1976-07-23 1978-02-17 Crouzet Sa Nouveau selecteur de pieces de monnaie pour distributeurs automatiques
FR2408183A1 (fr) * 1977-11-03 1979-06-01 Signaux Entr Electriques Controleur de pieces metalliques, et notamment de pieces de monnaie
JPS5517258U (de) * 1978-07-20 1980-02-02
AU553933B2 (en) * 1978-08-30 1986-07-31 Gec Plessey Telecommunications Limited Coin discriminating appaaratus
EP0053735B1 (de) * 1980-12-05 1985-08-28 Ascom Autelca Ag Schaltungsanordnung in einem Münzprüfer
JPS57139885A (en) * 1981-02-24 1982-08-30 Omron Tateisi Electronics Co Coin selector
EP0060392B1 (de) * 1981-03-06 1985-12-18 Sodeco-Saia Ag Vorrichtung zum Prüfen von Münzen
EP0066013B1 (de) * 1981-06-03 1986-12-10 International Standard Electric Corporation Rechnergesteuertes System zum Erkennen von Gegenständen
JPS5958595A (ja) * 1982-09-28 1984-04-04 富士電機株式会社 硬貨選別装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2649819A1 (fr) * 1989-07-12 1991-01-18 Jofemar Sa Ameliorations apportees a la lecture des senseurs magnetiques de selecteurs de pieces de monnaie
BE1005283A0 (fr) * 1989-07-12 1993-06-15 Jofemar S.A. Ameliorations apportees a la lecture des senseurs magnetiques de selecteurs de monnaies.
EP0665970A1 (de) * 1992-10-19 1995-08-09 De La Rue Syst Vorrichtung und verfahren zum fördern von münzen.

Also Published As

Publication number Publication date
FI864580A0 (fi) 1986-11-11
DK158418C (da) 1990-10-22
JPS62131397A (ja) 1987-06-13
NO171936C (no) 1993-05-19
FI88968C (fi) 1993-07-26
EP0224946B1 (de) 1994-01-05
DK547985A (da) 1987-05-28
FI864580L (fi) 1987-05-28
DK547985D0 (da) 1985-11-27
AU585092B2 (en) 1989-06-08
AU6519686A (en) 1987-06-04
NO864581D0 (no) 1986-11-18
JPH0529959B2 (de) 1993-05-06
NO171936B (no) 1993-02-08
NZ218263A (en) 1989-03-29
DE3689514T2 (de) 1994-06-23
ATE99816T1 (de) 1994-01-15
EP0224946A3 (en) 1989-02-22
ES2047475T3 (es) 1994-03-01
FI88968B (fi) 1993-04-15
DE3689514D1 (de) 1994-02-17
DK158418B (da) 1990-05-14

Similar Documents

Publication Publication Date Title
EP0101276B1 (de) Vorrichtung und Verfahren zum Unterscheiden von Münzen oder Banknoten
US4386432A (en) Currency note identification system
US4432447A (en) Coin detecting device for a coin sorting machine
EP0609218B1 (de) Vorrichtung zum unterscheiden von münzen
EP0970445B1 (de) Münzprüfer
SE9802321L (sv) Myntsorterare med myntigenkänning
EP0839364B1 (de) Münzprüfer
EP0043189A1 (de) Verfahren und Einrichtung zum Prüfen von Münzen
DE3581817D1 (de) Selbstabstimmendes muenzerkennungssystem.
EP0300781B1 (de) Münzendiskriminierer
EP0224946A2 (de) Verfahren zum Identifizieren von Münzen
US4275806A (en) Coin sorting machine
US4124110A (en) Magnetic coin element sensor
CA2184147C (en) Coin detection device and associated method
JPS62286192A (ja) 自動販売機等の硬貨分類機構
EP1051691B1 (de) Vorrichtung zum unterscheiden von bimetallischen münzen
JPH08212416A (ja) 硬貨判別装置
JPH05233917A (ja) コイン識別装置
US7104384B2 (en) Method and apparatus for measuring the diameter of coins
JPH0637502Y2 (ja) 硬貨処理装置
JPH01120694A (ja) コイン識別装置
PT84115B (pt) Processo e aparelho para identificar moedas
JPS6346479B2 (de)
CA2179261A1 (en) Coin discriminator
AU732029B2 (en) Coin validator

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB GR IT LI NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB GR IT LI NL SE

17P Request for examination filed

Effective date: 19890405

17Q First examination report despatched

Effective date: 19910308

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: ALCATEL KIRK A/S

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE ES FR GB GR IT LI NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19940105

REF Corresponds to:

Ref document number: 99816

Country of ref document: AT

Date of ref document: 19940115

Kind code of ref document: T

REF Corresponds to:

Ref document number: 3689514

Country of ref document: DE

Date of ref document: 19940217

ITF It: translation for a ep patent filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2047475

Country of ref document: ES

Kind code of ref document: T3

REG Reference to a national code

Ref country code: GR

Ref legal event code: FG4A

Free format text: 3010392

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19940929

Year of fee payment: 9

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Effective date: 19941021

Ref country code: AT

Effective date: 19941021

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Effective date: 19941022

Ref country code: ES

Free format text: LAPSE BECAUSE OF THE APPLICANT RENOUNCES

Effective date: 19941022

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19941031

Ref country code: CH

Effective date: 19941031

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19941118

Year of fee payment: 9

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19941205

Year of fee payment: 9

26N No opposition filed
EAL Se: european patent in force in sweden

Ref document number: 86201826.4

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Effective date: 19950501

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee
GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19941021

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

Ref country code: GR

Ref legal event code: MM2A

Free format text: 3010392

EUG Se: european patent has lapsed

Ref document number: 86201826.4

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19951031

BERE Be: lapsed

Owner name: ALCATEL KIRK A/S

Effective date: 19951031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19960628

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19960801

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 19991007

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20051021