US3739895A - Method and apparatus for testing coins employing dimensional categorizing means - Google Patents

Method and apparatus for testing coins employing dimensional categorizing means Download PDF

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Publication number
US3739895A
US3739895A US00171922A US3739895DA US3739895A US 3739895 A US3739895 A US 3739895A US 00171922 A US00171922 A US 00171922A US 3739895D A US3739895D A US 3739895DA US 3739895 A US3739895 A US 3739895A
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United States
Prior art keywords
coin
sensors
sensor
acceptable
signal
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Expired - Lifetime
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US00171922A
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English (en)
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G Fougere
J Rothery
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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
    • G07D5/08—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 sensors together with the combinatorial circuit, classify all coins offered as falling in one of five size categories, namely, (a) coins large enough to concurrently cover all three sensors; (b) coins only large enough to cover the third at a time when at least one of the others is uncovered; (c) coins large enough to cover concurrently the primary sensor and one of the two secondary sensors but not large enough to cover, at any time, the other secondary sensor; (d) coinsnot large enough to cover the higher of the secondary sensors but large enough to cover the other secondary sensor and primary sensor, successively but not concurrently, and (e) coins not large enough to cover any of the sensors.
  • FIG. 3 is a diagram of a combinatorial circuit used in conjunction with the sensor array of FIG. 2 to provide the logic determination required in the evaluation of coins;
  • a preferred sensor is a photoelectric device, for example, a photosensitive transistor operating in conjunction with a light source on opposite sides of the coin passageway with the sensor providing signals indicative of when the sensor is occluded or obscured.
  • the coin sensor array 2l After the coin passes the sensor array 2l, it rolls off the track 12 and drops downwardly toward a coin acceptance gate 22.
  • the gate is solenoid actuated and extends into the coin-passageway. If the coin sensor array together with logic circuitry discussed hereafter determines that the coin passing through the system is not acceptable, the gate is not removedfrom the passageway and the coin bounces from the gate 22 into the rejection passageway 24. If the sensors and logic system determines that an acceptable coin has passed through the system, a signal is transmitted to the gate solenoid which retracts the gate 22 from the coin passageway and the coin drops into the acceptance passageway 23.
  • Coin Sensor Array Turning now to FIG. 2, the coin sensor array 21 is schematically illustrated so that the principle of its operation may be described. In the following description, coin movement in FIG. 2 will be assumed to be from the viewers left to right.
  • the output leads 74, 88, 90 and 92 from the gates 48, 50, 52, 54 respectively lead to a gate 94 which produces a high output signal when the signal on any one of its inputs, leads 74, 88, 90 or 92 is low.
  • the output signal from the gate 94 is directed through a differentiator 95 and an OR gate 96 to the flip-flop 58.
  • the flipflop 58 is reset as soon as a high output signal from gate 94 indicates it has become disabled by the completion of a coin size categorization signal. As was mentioned above the flip-flop 58 is also reset by a signal from the coin arrival sensor 30 indicating that a coin has entered the device.
  • the decoder provides a series of four sets of output signals, each set consisting of a low and high count for each particular coin.
  • Each of these sets of decoder output signals are directed to the corresponding one of the flip-flops 102, 104, 106 and 108, the low count signal being an enabling signal and the high count signal being a disabling signal.
  • the fourth enabling'signal to each flip-flop is a signal on the common lead 120 from the output of the coincidence gate 116 so that the flip-flop cannot be enabled unless the gate 116 has all four inputs as desired, in this case high. This prevents setting of these flip-flops if the counter or decoder is erroneously triggered by stray signals.
  • the gate 116 When a coin which fits within a size category corresponding to either 10, 5, 25 or 50 cent pieces, passes through the coin selector 10 the gate 116 is enabled and the positive pulses are fed to the counter 112.
  • the number of pulses fed to the counter 112, and hence to the decoder 110, are related to the size of the coin and are inversely proportional to the velocity of the coin that is passing through the system.
  • the gate 48, 50, 52 or 54 which enabled the gate 94 becomes disabled the gate 116 becomes disabled and the counter stops receiving pulses.
  • a pulsemaker disabling coincidence gate 130 is provided having a pair of inputs, one input coming from the accumulator and representing a high price disable and the second input coming from the last of the sensors 42 in the array 21'.
  • a high price disabler lead 132 disables the pulsemaker 124 when the accumulator has registered a predetermined maximum value, such as the price of the highest priced item in the coin operated device.
  • a similar high price disabler lead 134 is directed toa coincidence gate 136 to prevent acceptance of any coins after the accumulator has registered the will preclude the pulsemaker from recognizing a signal from one of the flip-flops during an interim period while the counter is still recording coin velocity.
  • a device for determining the authenticity and denomination of coins of a plurality of permissible'denominations comprising,
  • a second circuit for examining the time that acoin, whose said chordal dimension is at least equal to the distance between the primary and one of the secondary sensors, is sensed concurrently by those sensors, and a coin, whose said chordal dimension is less than the distance between the primary sensor and one of the secondary sensors, takes to travel between those sensors.
  • a device as defined in claim 3 wherein the distance between each secondary sensor and the primary sensor is greater than the maximum acceptable predetermined dimension of one permissible coin and less than the minimum acceptable predetermined dimension of another permissible coin.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Coins (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
US00171922A 1971-08-16 1971-08-16 Method and apparatus for testing coins employing dimensional categorizing means Expired - Lifetime US3739895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17192271A 1971-08-16 1971-08-16

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US3739895A true US3739895A (en) 1973-06-19

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US00171922A Expired - Lifetime US3739895A (en) 1971-08-16 1971-08-16 Method and apparatus for testing coins employing dimensional categorizing means

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US (1) US3739895A (en, 2012)
JP (1) JPS6051159B2 (en, 2012)
AU (1) AU471332B2 (en, 2012)
BE (1) BE787490A (en, 2012)
CA (1) CA988598A (en, 2012)
DE (1) DE2240145C2 (en, 2012)
FR (1) FR2149435B1 (en, 2012)
GB (1) GB1405936A (en, 2012)
IT (1) IT963942B (en, 2012)
LU (1) LU65899A1 (en, 2012)
NL (1) NL7211101A (en, 2012)
ZA (1) ZA725579B (en, 2012)

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952851A (en) * 1973-05-18 1976-04-27 Mars, Inc. Coin selection method and apparatus
US4084677A (en) * 1976-04-08 1978-04-18 Cubic Tiltman Langley Limited Coin validator modification
US4089400A (en) * 1976-01-23 1978-05-16 Gregory Jr Lester Coin testing device
US4151904A (en) * 1977-11-14 1979-05-01 H. R. Electronics Company Coin detection device
US4326621A (en) * 1979-03-15 1982-04-27 Gaea Trade And Development Company Limited Coin detecting apparatus for distinguishing genuine coins from slugs, spurious coins and the like
FR2506975A1 (fr) * 1981-05-28 1982-12-03 Coin Controls Dispositif de validation de pieces de monnaie utilisant des photodetecteurs
US4393972A (en) * 1980-07-07 1983-07-19 Orin W. Coburn Coin chute assembly
US4664245A (en) * 1980-07-07 1987-05-12 Orin W. Coburn Coin chute assembly
US4809838A (en) * 1987-06-15 1989-03-07 Coin Acceptors, Inc. Coin detection means including a current ramp generator
US4848556A (en) * 1985-04-08 1989-07-18 Qonaar Corporation Low power coin discrimination apparatus
US4936435A (en) * 1988-10-11 1990-06-26 Unidynamics Corporation Coin validating apparatus and method
US5226520A (en) * 1991-05-02 1993-07-13 Parker Donald O Coin detector system
US5293980A (en) * 1992-03-05 1994-03-15 Parker Donald O Coin analyzer sensor configuration and system
US5351798A (en) * 1991-06-28 1994-10-04 Protel, Inc. Coin discrimination apparatus and method
US5381880A (en) * 1992-11-09 1995-01-17 Pearson; Rune S. Electronic coin mechanism
US5566808A (en) * 1994-09-09 1996-10-22 Parker Engineering & Manufacturing Co. Low profile coin analyzer apparatus
US5568854A (en) * 1991-06-28 1996-10-29 Protel, Inc. Coin discrimination method

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50116498U (en, 2012) * 1974-03-05 1975-09-22
DE2713844C3 (de) * 1977-03-26 1981-07-16 F.Zimmermann & Co., 1000 Berlin Vorrichtung zum Erkennen der Wertigkeit von Münzen o.dgl. Gegenstände
GB2176038B (en) * 1985-05-31 1989-04-12 Cubic Western Data Coin discriminator
DK158418C (da) * 1985-11-27 1990-10-22 Standard Electric Kirk Fremgangsmaade til identificering af moenter og apparat til brug ved udoevelse af fremgangsmaaden
JPH0289574U (en, 2012) * 1988-12-23 1990-07-16
ES1011067Y (es) * 1989-07-12 1992-04-01 Jofemar, S.A. Mejoras en la lectura de sensores magneticos en selectores de monedas.
CN1146834C (zh) * 1995-07-14 2004-04-21 硬币控制有限公司 硬币识别器
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
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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653481A (en) * 1967-07-17 1972-04-04 Mars Inc Electrical/electronic coin or token indentification system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL131067C (en, 2012) * 1963-06-04
DE1902806C3 (de) * 1968-02-05 1979-06-13 Autelca Ag, Guemligen, Bern (Schweiz) Mfinzprufer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3653481A (en) * 1967-07-17 1972-04-04 Mars Inc Electrical/electronic coin or token indentification system

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952851A (en) * 1973-05-18 1976-04-27 Mars, Inc. Coin selection method and apparatus
US4089400A (en) * 1976-01-23 1978-05-16 Gregory Jr Lester Coin testing device
US4084677A (en) * 1976-04-08 1978-04-18 Cubic Tiltman Langley Limited Coin validator modification
US4151904A (en) * 1977-11-14 1979-05-01 H. R. Electronics Company Coin detection device
US4326621A (en) * 1979-03-15 1982-04-27 Gaea Trade And Development Company Limited Coin detecting apparatus for distinguishing genuine coins from slugs, spurious coins and the like
US4393972A (en) * 1980-07-07 1983-07-19 Orin W. Coburn Coin chute assembly
US4664245A (en) * 1980-07-07 1987-05-12 Orin W. Coburn Coin chute assembly
FR2506975A1 (fr) * 1981-05-28 1982-12-03 Coin Controls Dispositif de validation de pieces de monnaie utilisant des photodetecteurs
US4848556A (en) * 1985-04-08 1989-07-18 Qonaar Corporation Low power coin discrimination apparatus
US4809838A (en) * 1987-06-15 1989-03-07 Coin Acceptors, Inc. Coin detection means including a current ramp generator
US4936435A (en) * 1988-10-11 1990-06-26 Unidynamics Corporation Coin validating apparatus and method
US5226520A (en) * 1991-05-02 1993-07-13 Parker Donald O Coin detector system
US5351798A (en) * 1991-06-28 1994-10-04 Protel, Inc. Coin discrimination apparatus and method
US5568854A (en) * 1991-06-28 1996-10-29 Protel, Inc. Coin discrimination method
US5687830A (en) * 1991-06-28 1997-11-18 Protel, Inc. Item discrimination apparatus and method
US5293980A (en) * 1992-03-05 1994-03-15 Parker Donald O Coin analyzer sensor configuration and system
US5439089A (en) * 1992-03-05 1995-08-08 Parker; Donald O. Coin analyzer sensor configuration and system
US5381880A (en) * 1992-11-09 1995-01-17 Pearson; Rune S. Electronic coin mechanism
US5566808A (en) * 1994-09-09 1996-10-22 Parker Engineering & Manufacturing Co. Low profile coin analyzer apparatus

Also Published As

Publication number Publication date
JPS6051159B2 (ja) 1985-11-12
NL7211101A (en, 2012) 1973-02-20
DE2240145A1 (de) 1973-03-01
GB1405936A (en) 1975-09-10
ZA725579B (en) 1973-08-29
JPS4835899A (en, 2012) 1973-05-26
AU471332B2 (en) 1976-04-15
DE2240145C2 (de) 1984-10-31
IT963942B (it) 1974-01-21
LU65899A1 (en, 2012) 1973-01-15
FR2149435B1 (en, 2012) 1980-04-18
BE787490A (fr) 1972-12-01
AU4561072A (en) 1974-02-21
FR2149435A1 (en, 2012) 1973-03-30
CA988598A (en) 1976-05-04

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