US3754558A - Coin processing apparatus with jam detection system - Google Patents

Coin processing apparatus with jam detection system Download PDF

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Publication number
US3754558A
US3754558A US00233987A US3754558DA US3754558A US 3754558 A US3754558 A US 3754558A US 00233987 A US00233987 A US 00233987A US 3754558D A US3754558D A US 3754558DA US 3754558 A US3754558 A US 3754558A
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circuit
coin
line
transit
coins
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US00233987A
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English (en)
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B Conant
Ming Yao Szee
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Abbott Coin Counter Co Inc
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Abbott Coin Counter Co Inc
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Assigned to INDUSTRIAL NATIONAL BANK OF RHODE ISLAND, A NATIONAL BANKING ASSOCIATION reassignment INDUSTRIAL NATIONAL BANK OF RHODE ISLAND, A NATIONAL BANKING ASSOCIATION RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: ABBOTT COIN COUNTER COMPANY, INC.
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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
    • G07D9/00—Counting coins; Handling of coins not provided for in the other groups of this subclass

Definitions

  • ABSTRACT Apparatus for high speed, high volume coin processing comprising sensor elements adapted for sensing coins in continuous non-selective transit therethrough incorporates a coin jam detection system responsive to output signals of the sensor elements.
  • Motive means continuously supplies indi-.
  • vidual coins to the sensor means and a coin denominational value detector receives the sensor means output signals and is'operatively responsive thereto.
  • a jam detection system for use in such apparatus and comprises circuit means operative to 'deenergize the apparatus motive means on each occurrence of-a sensor means output signal of first character and of time duration exceeding a predetermined time period.
  • Such time period is predetermined to be, for example, a time extent in excess of the time extent required for the passage of a coin of largest dimension through the'sensor means.
  • FIG. 5 is a schematic diagram of denominational value detector 80'of FIG. 3.
  • FIG. 5a is a schematic diagram of circuit means for use-in bagging coins.
  • FIG. 6 is a schematic diagram of registration pulse generator 138 of FIG. 4.
  • collector and transfer unit 10 of coin sorter-counter 1 includes a coindepository scoop l2 and a continuously rotatingtumtable 14 which may; be driven by motive means, such as an electric motor.
  • Coins, the denominational values of which are to be totalized are gravity-fed onto the turntable and are individually displaced by turntable pins 16 from the vicinity of plate 12 and are carried by the turntable to acceptor 17 of chute 18, the coins being maintained about the periphery of the turntable during such transfer by centripetal forces provided by retaining guard 20 or by gravitational forces depending upon turntable rotational speed.
  • Chute 18 is inclined downwardly such that coins transferred thereto roll edgewise through the chute under the influence of either the force attending their issuance from turntable 14 to acceptor 17 or gravitational force.
  • Coin deflector elements 22, 24, 26 and 28 are secured in chute l8-at difi'erent elevations corresponding witli'the different sizes of coins traversing the chute for purposes of selectively deflecting coins into sorting bins 30', 32, 34 and36'.
  • sorting-counting. apparatus 1 accommodates four differently sized coins, e.g., dime, penny, nickel and quarter. Inall discussion to follow, this specific exemplary arrangement will be considered.
  • This unit preferably includes photoelectric means-for coin size and position indication and to this extentem braces anexciting unit 40 and a unit 42' containing sensing devices and signal processing'circuitry.
  • apertures 44, 46, 48, and 52 are provided in wall 54 of the chute and unit 42 sensors'56, 58, 60, 62 and are mounted on wall 54inrespective registration with the apertures such that the apertures define the fields of view of the sensors.
  • sensors'56, 58, 60, 62 are mounted on wall 54inrespective registration with the apertures such that the apertures define the fields of view of the sensors.
  • sensors 56, 58 and 60 constituting a first'sensor group, are aligned in a plane transverse to the longitudinal axis of chute l8 and are positionedat respectively increasing heights above longitudinal guide rail to be selectively deenergized to thereby provide size indication of diverse coins in transit through the chute.
  • Sensors 62 and 64 constituting second sensor means, are preferably aligned in a plane parallel to longitudinal guide rail 55.
  • the second sensor means is positioned with respect to the first sensor group such that, upon deenergization of the second sensor means bya coin in transit, the states of energization or deenergization of the individual sensors of the first sensor group will provide size indication definitive of .th proper denominational value of the coin.
  • the first sensor group output signals will be identified hereinafter as size-indicating signals and the sec: ond sensor group signals will be referred to as position indicating or coin registration signals.
  • position indicating or coin registration signals Such distinction -is thus'descriptive only. With its direction of travel indicated by the arrow, the 25 cent piece is illustrated in successive transit positions a, b and wherein its vertical diameter coincides with the vertical lines defining such positions.
  • the coin occupies the fields of sensitivity of certain of the sensors of the first sensor group, namely sensors 58 and 60. If the output signals of the first sensor group with the coin in this position were to be accepted as having size indication definitive of the size of the coin'then traversing the chute, confusion would ensue since these output signals would be identical respecting the 25 cent piece at position a and the 5 cent piece. at position 0. Such confusion would similarly result if position b, wherein the coin is further advanced in transit through chute 18, were employed as the deonminations value sensing position in the chute, sensor 56 remaining partially excited at such position.
  • the system herein has as a 25 cent piece-defining condition that all of the first group sensors be unenergized.,At chuteposition c, the size indication provided by the output signals .of the first sensor group meets this condition and the signals are clearly definitive of size distinctly indicating the proper denominational value of the coin traversing the chute. Note that at position 0, the second sensor means is unenergized by reason of the presence of each of the coins at said position.
  • Such zone commences for each coin in transit upon the initial interruption of second sensor means excitation thereby and extends thereafter through and beyond position c'above. Whereas any position within such zone maybe employed in practicing the invention, said commencement of such zone is preferably employed. Reference hereinafter to such registration zone is intended to indicate such preferred portion of such registration 1 zone.
  • A'fourth sensor may be included in the first sensor group at a position belowsensor 60 such that light beam excitation of said fourth sensor will be interrupted upon transit of a dime to provide specific first sensor group output signal change indicative of a dime in transit upon occurrence of second sensor means deenergization. 0n the other hand, suchfourth sensor is unnecessary since n different denominational valuedefining conditions canbe derived from n'-l sensors as described above.
  • the particular sensor arrangement of FIG. 2 is preferred, it is not requisite that the sensors of the first sensor group be aligned in the specified plane. Also, as mentioned, positioning of the, secondsen sor means is dependent upon thechoice of location of the first sensor groupsuch that the respective output signals thereof aremeaningful of true coin denominational values.
  • the first group of sensors generates first output signals exhibiting changing characteristics (e.g., HI to L0) upon deenergization thereof, which signals are indicative of varying sizes exhibited by individual coins traversing the chute as same are in transit.
  • Such signals initially take on size definition according with the denominational value of the coin in transit when the coin is within said registration zone,- i.e., when the second sensor group becomes deenergized and generates output signals exhibiting changing characteristics (e.g., HI to L0) indicative of such occurrence.
  • the first group of sensors and the circuitry process ing the output signals thereof comprise coin size discriminator 68 of FIG. 3.
  • the secondsensor means and circuitry processing the output signals thereof comprise coin position discriminator'70 of FIG. 3.
  • Discriminator 68 provides its output signals on lines 72, 74, 76 and 78 to a denominational value detector 80 to which is also applied over lines 82 the output signals of discriminator 70.
  • a selective one of output lines 84, 86, 88 and 90 of line 82 signal change characteristic to selectively-gate the signals then provided on lines 72, 74, 76 and 78.
  • Circuitry employable in discriminators 68 and 70 is illustrated in FIG. 4.
  • Light beams S1, S2 andS3 impinge upon and excite phototransistors 92, 94 and 96,
  • the collectors of which are connected to a voltage source providing a positive potential and the emitters of which are directly-connected respectively to transistors 98, and 102.
  • the transistor collectors are also tied to said positive potential and the emitters thereof are connected through resistors 104, 106 and 108 to ground.
  • Said positive potential constitutes a first voltage level (III) for the logic circuits to be discussed hereinafter.
  • a second voltage level for the logic circuits is ground (L0).
  • the outputs of the transistors are coupled over lines 110, 112 and 114 to first inputs of AND gates 116, 118 and 120. These gates have their outputs coupled directly to discriminator 68 output lines 72, 74 and 76.
  • the fourth output of the discriminator is provided on line 78 by direct interconnection thereof with sequent discussion are adapted to provide a HI output only upon coincident L0 state of both inputs thereto.
  • Fairchild 9914 Medium Power Dual Two Input Gate includes gates providing the foregoing logic and may be used throughout.
  • discriminator 68 will be evident by consideration of the functions therein attendant upon consideration of a penny entering the aforementioned registration zone of chute 18.
  • all of the phototransistors 92-96 are energized, in turn energizing transistors 98-102.
  • all of lines 110, 112 and 114 are HI.
  • Light beam S3 is interrupted by said penny with resulting deenergization of phototransistor 96 and transistor 102 whereupon line 114 is L as isoutput line 78. Since lines 110 and 112 remain HI, output lines 72 and 74 are LO, since both inputs to gatesl16 and 118 are not LO.
  • output line 76 is I-II indicating the interruption of light-beam S3. Same occurs since both inputs to gate'120 are LO. As mentioned, line 114 is LO upon deenergization of transistor 102. Line 128 is also LO since theline l30 input to gate 126 is I-ll.v
  • discriminator 70 provides a signal on line 82 at the instant a coin first enters the registration zone.
  • the light beams P1 and P2 impinge upon and excite phototransistors 134 and 136, the collectors of which are coupled to the positive supply and emitters of which are connected to registration pulse generator 138'over lines 140 and 142.
  • the registration pulse generator which is discussed in detail in connection with FIG. 6 below, receives a further input in the form of continuous clock pulses provided on line 144.
  • pulse generator 138 provides on line-82 a LO signal only upon coincident deenergization of phototransistors 134 and 136 upon interruptionof-both light beams P1 and P2.
  • the detector includes AND gates 145, 147, 149 and 151 each of which has one grounded input and one input connected individually to lines 72 through 78.
  • Each of further AND gates 146, 148, 150 and 152 receives a first input from one of gates 145, 147, 149 and 151.
  • the coin registration signals provided on line 82 are applied in common to all of the gates over lines 154, 156, 158 and 160 as the second gate inputs.
  • detector 80 will provide a LO signal on a selective one of its output lines 84, 86, 88 and 90 upon the occurrenceof the line 82 registration signal thereby providing indication of one of denominational values 25 cent, 5 cent, l cent and cent, respectively.
  • Such output line will be associated with that one of gates 145, 147,149 and 151 which derivesa l-II input signal from lines 72-78.
  • input line 76 is HI and lines 72, 74 and 78 are L0, as occurs when a 1 cent piece enters said registration zone, gate 149'will provide a LO output and gates 145, 147 and 151 will provide a HI output.
  • gates 5 146, 148 and 152 With one input HI, gates 5 146, 148 and 152 will yield low outputs irrespective-pf 10 output signal on line 88, the 1 cent denominational value line.
  • the respective characteristics of the size-indication signals of the sensors and discriminator 68, the position-indication signals of discriminator 70, and the denomination value indication signals of detector '80 are set'forth in Table I below for the cases of each diverse coin entering said registration zone and the 25 cent piece also in the non-registration zone position b of FIG. 2.
  • FIG. 6 A preferred circuit arrangement for registration 0 pulse generator 138 is illustrated in FIG. 6 wherein lines 140 and 142 of'FIG. 1 provide first inputs for AND gates 162 and 164. the second inputs to which are. connected to ground by lines 166 and 168. Lines 140 and 142 provide first and second inputs to gate 170 over lines 172 and 174. Outputs of gates 162 and 164 are applied to gate 176 over lines of and 180. The outputs of gates 170 and 176 provide first inputs for'gates 182 and 184 through lines 186 and 188. These gates provide their outputs on lines 190 and 182 which are respectively coupled to the alternate gate inputs over lines 194 and'196'. y Lines 190 and 192 provide gating signals for flip-flop 198 to which clock pulses are applied over line 144.
  • output line 200 55 thereof will be set HI upon the occurrence of a H! ga t ing signal on line 190 and is set LO upon the occur: rence of a H] gating signal on line 192.
  • Line 200 is coupie through appropriate pulse-shaping circuitry as in; dicated by the dotted line, to pulse generator output line 82. Since such pulse-shaping circuitry may take various forms depending upon the pulse width desired to be produced by the generator, same is not indicated in detail.
  • Line 200 goes L0 as both light beams P1 and P2 are interrupted and both input lines 140 and 142 are L0, and line 200 returns to its HI state as the coin leaves the registration zone and both input lines 140 and 142 are returned to the HI state.
  • coin transit line 200 is HI at all times other than when the coin in transit interrupts both light beams P1 and P2, i.e., when the coin first enters and resides in the registration zone.
  • a system comprised of coin sensing time detector 202 and tumtable motor controller 204 derives information over line 206 from discriminator 70 to detect the onset of coin jams in the described coin processing apparatus.
  • detector 202 provides a signal on line 208 when an individual coin remains in the above-discussed registration zone for a time extent in excess of a predetermined time extent, e.g.,- where.
  • Line 206 is connected to line 140 in discriminator 70 and line 206 is accordingly HI at all times other than the time extents during which individual coins in transit interrupt light beam P1 and thereby interrupt conduction in phototransistor 134.
  • line 206 is continuously HI and AND gate 210 receives a HI at one input thereof, the second input being grounded by line 212.
  • Line 214 thus provides a LO input to AND gate 216, the second input of gate 216 being grounded byline 218.
  • Gate 216 applies a HI to line 220 under these conditions and capacitor 222 charges to the HI level through resistor 224 and diode 226.
  • the capacitor is connected through resistor 228 and line 230 to one input of AND gate 232, the second input of which is grounded by line 234.
  • Gate 232 applies a L0 to output line 208 of detector 202.
  • Controller 204 comprises transistor 236 and a relay having coil 238, armature 240 and a pair of contacts normally closed by contact arm 242.
  • the coil is seriesconnected with the transistor collector and the transistor emitter is grounded byline 244.
  • the transistor base is connected to line 208.
  • Turntable motor 246 is directly connected to one excitation line 248 and to its other excitation line 250 through the relay contacts.
  • capacitor 222 is charged HI as discussed and line 208 is thereby LO, transistor 236 is nonconductive and relay coil 238 is unenergized. Under such charge condition of capacitor 222, motor 246 is energized and transfer of coins to the coin processing apparatus is effected.
  • capacitor 222 experience the described extended discharge only on the event of a coin jam.
  • This is arranged for in accordance with the invention by selecting values for resistors 224 and 230 and capacitor 222 such that the RC time constant for capacitor charging is substantially less than that for capacitor discharging. Both time constants are further selected in accordance with the time required for the transit through the sensor means of the largest coin being processed.
  • the discharge time constant may be selected such that the described extended discharge of capacitor 222 occurs where phototransistor 134 remains nonconductive for a time extent several times the normal time period required for transit of a 25 cent piece past the phototransistor.
  • the charging time constant may be selected such that capacitor 222 returns to HI charge level within a time period comprising a fraction of such normal transit time period.
  • the jam detection system of the invention may include a second coin sensing time detector, identical with detector 202 but deriving input informtion from a different sensor element, e.g., by connection of the second detector input line to line 78.
  • a somewhat higher statistical probability of detecting the onset of a coin jam exists since the system monitors two sensor elements.
  • the output line of detector 202 (line 208) and the output line of the second detector are connected to separate inputs of a first N AND gate (not shown).
  • the output of this NAND gate is applied to one input of a second NAND gate, the other input of which is grounded.
  • the second NAND gate output is connected to the base of transistor 236 (FIG. 4).
  • the first and second NAND gates constitute an OR gate and the'motor controller is thus responsive to either detector 202 or the second detector.
  • coin processing apparatus of the invention may also incorporate a system interrupting apparatus operation on the completion of transit of a predetermined number of coins of preselected size through the apparatus sensor means, thereby enhancing coin baggingand other operations.
  • a system interrupting apparatus operation on the completion of transit of a predetermined number of coins of preselected size through the apparatus sensor means, thereby enhancing coin baggingand other operations.
  • An embodiment of such system is shown in FIG. 50. As will be observed, the system performs its function without need for the prior segregation or sorting of coins.
  • Lines 84, 86, 88 and '90 undergo selective level change on transit through the sensor means of 25 cent, 5 cent, I cent and I0 cent pieces, respectively.
  • Each of these lines is connected in FIG. 5 to one of counters 252, 254, 256 and 258.
  • the counters are reset by input thereto on lines 260, 262, 264 and 266.
  • the counter outputs are provided on lines 268, 270, 272 and 274, each of which is LO at all times other than when the as- 288.is displaceable,'on-energizationof coil'286, to pin a coinin transit against the wall-opposite wall 54.
  • counter 258 is set to a count of 50.
  • Line 274- is LOuntil the fiftieth state change occurs on line 90at which instant line 274 goes l-ll andremains Hi.
  • Amplifier 280 applies-a Hi to transistor 236 (FIG; 4) and'transistor 282, rendering both transistors conductive and thus energizingcoils-238 (FIG. 4) and 286.
  • Solenoid slug 288 (FIG.
  • chute means transporting coins therethrough
  • coin sensing meansin said chute means including a first sensor generating output signalsifor indicating coin size and a secondsensor generating output'signals for indicating' the position of each coin in said chute means, each of said output signals being of .first character when a coin is in transit through said sen: sors and otherwise of second character
  • motive means supplying coins to said chute means and a system for detecting ,the occurrence of a coin jam in said apparatus and for thereupon discontinuing operation ofs'aid' ing the fiftieth. l0 centpiece processed in the apparatus. While such coinis stopped, the possibilityof coin jam due to continuedcoin transfer is-eliminated since motor 246isunenergized..
  • each of the counters is an operatorcontrolled indicato'r unit, one such unit, 288, being shown in detail in FIG. 5a.
  • the indicator section thereof comprises resistor 290, transistor 292-and lamp .294.
  • Transistor'292 is rendered conductivewhen line 274 is HI and energizes the lamp to'informthe operator that fifty 10.cent pieces are available.
  • The'other section of unit 288' is effective to reset the associated counter and includes NAND gate 296, having one input connected to line 274 and a second input grounded by line 298.
  • Gate 2967 applies its output through line 300 to one input of NAND gate 302.
  • the second input to gate 302 is derived through resistor. 304 (H1) or through switch:30 6-(L0).
  • Gate 302 applies its, output through line 308 and diodef3l0i to line 266...
  • said cir cuit means includes a capacitor, a first circuit for charging said capacitor exclusively during the occur-' rence of second sensor output signals of said second character and a second circuit for discharging said capacitor ekclusively during the occurrence of second sensor output signals of said first character.
  • said cir I I cuit means further includes a third circuit monitoring the voltage across said capacitor and operative to deen ergize said motive means when said voltage is less than a predetermined voltage.
  • tive means includes an electric motor and a motor en; ergi'zation circuit, said third circuit including normallyconductive switch means series-connected in saidmotor energization circuit, said third circuit rendering v said switch means nonconductive when said capacitor voltage is less than said predetermined voltage.
  • said'ap paratus includes a further system for detectingthe, flailsit of a preselected number of like coins through said sensing means and for thereupon interrupting transit of further coins through said sensing means and discontin uing operation of said motive means.
  • said second circuit means includes a counter generating said second circuit means output signal, said further system including fourth circuit means operator controllable to reset said counter after each second cir-' cuit means output signal generation.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Coins (AREA)
  • Control Of Conveyors (AREA)
US00233987A 1972-03-13 1972-03-13 Coin processing apparatus with jam detection system Expired - Lifetime US3754558A (en)

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US23398772A 1972-03-13 1972-03-13

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US (1) US3754558A (no)
JP (1) JPS491296A (no)
DE (1) DE2218163A1 (no)
FR (1) FR2175712B1 (no)
GB (1) GB1341332A (no)
IT (1) IT958565B (no)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3848614A (en) * 1973-12-07 1974-11-19 Abbott Coin Counter Coin processor having error-indicating system
US3942544A (en) * 1973-08-01 1976-03-09 Spiral Step Tool Company Hopper payout for various coin denominations
US4082099A (en) * 1974-04-19 1978-04-04 Gunter Iwersen Machine for identifying and counting coins or the like
US4356829A (en) * 1976-12-29 1982-11-02 Laurel Bank Machine Co., Ltd. Anti-jamming means for coin counting machines
US4436103A (en) 1980-11-19 1984-03-13 4-D Electronics Company, Inc. Coin collecting and counting systems
US4441515A (en) * 1981-07-10 1984-04-10 Chance Manufacturing, Inc. Gaming device including coin dispensing means
US4457321A (en) * 1980-03-28 1984-07-03 Laurel Bank Machine Co., Ltd. Coin handling apparatus
US4572225A (en) * 1978-11-10 1986-02-25 Standardwerk Eugen Reis Gmbh Apparatus for counting coins or similar discs
US5551542A (en) * 1993-12-13 1996-09-03 Stockli; Rudolf Process and apparatus for identifying coins

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910295A (en) * 1974-01-07 1975-10-07 Rowe International Inc Bulk-loading coin hopper having endless pin chain pickup
JPS5143189U (no) * 1974-09-26 1976-03-30
JPS5137695A (no) * 1974-09-26 1976-03-30 Omron Tateisi Electronics Co
JPS51109899A (en) * 1975-03-20 1976-09-29 Glory Kogyo Kk Kokashorikino kafukahogosochi
JPS5231799A (en) * 1975-04-08 1977-03-10 Glory Ltd Clogging dectector for coin processig achine
JPS51117699A (en) * 1975-04-08 1976-10-15 Glory Ltd Coin-choking treatment method for coin- treatment machine
GB2130779B (en) * 1982-10-15 1986-03-19 Mach & Systems Limited Coin handling apparatus
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
RU208895U1 (ru) * 2021-10-01 2022-01-20 Центральный банк Российской Федерации (Банк России) Устройство для уничтожения дефектных монет

Citations (4)

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Publication number Priority date Publication date Assignee Title
US2810465A (en) * 1957-10-22 miller
GB861336A (en) * 1959-08-28 1961-02-15 Standard Change Makers Inc Coin separating apparatus
US3680566A (en) * 1969-09-22 1972-08-01 Micro Magnetic Ind Inc Bulk coin dispenser
US3699981A (en) * 1970-03-23 1972-10-24 Abbott Coin Counter Coin value determining apparatus and system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810465A (en) * 1957-10-22 miller
GB861336A (en) * 1959-08-28 1961-02-15 Standard Change Makers Inc Coin separating apparatus
US3680566A (en) * 1969-09-22 1972-08-01 Micro Magnetic Ind Inc Bulk coin dispenser
US3699981A (en) * 1970-03-23 1972-10-24 Abbott Coin Counter Coin value determining apparatus and system

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942544A (en) * 1973-08-01 1976-03-09 Spiral Step Tool Company Hopper payout for various coin denominations
US3848614A (en) * 1973-12-07 1974-11-19 Abbott Coin Counter Coin processor having error-indicating system
US4082099A (en) * 1974-04-19 1978-04-04 Gunter Iwersen Machine for identifying and counting coins or the like
US4356829A (en) * 1976-12-29 1982-11-02 Laurel Bank Machine Co., Ltd. Anti-jamming means for coin counting machines
US4572225A (en) * 1978-11-10 1986-02-25 Standardwerk Eugen Reis Gmbh Apparatus for counting coins or similar discs
US4457321A (en) * 1980-03-28 1984-07-03 Laurel Bank Machine Co., Ltd. Coin handling apparatus
US4436103A (en) 1980-11-19 1984-03-13 4-D Electronics Company, Inc. Coin collecting and counting systems
US4441515A (en) * 1981-07-10 1984-04-10 Chance Manufacturing, Inc. Gaming device including coin dispensing means
US5551542A (en) * 1993-12-13 1996-09-03 Stockli; Rudolf Process and apparatus for identifying coins

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Publication number Publication date
FR2175712A1 (no) 1973-10-26
JPS491296A (no) 1974-01-08
IT958565B (it) 1973-10-30
GB1341332A (en) 1973-12-19
DE2218163A1 (de) 1973-09-27
FR2175712B1 (no) 1976-08-06

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Owner name: INDUSTRIAL NATIONAL BANK OF RHODE ISLAND, A NATION

Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:ABBOTT COIN COUNTER COMPANY, INC.;REEL/FRAME:004001/0764

Effective date: 19820603

Owner name: INDUSTRIAL NATIONAL BANK OF RHODE ISLAND, PROVIDE

Free format text: RELEASED BY SECURED PARTY;ASSIGNOR:ABBOTT COIN COUNTER COMPANY, INC.;REEL/FRAME:004001/0764

Effective date: 19820603