EP0078214A1 - Prüfeinrichtung für eine Vielzahl verschiedener Münzen - Google Patents

Prüfeinrichtung für eine Vielzahl verschiedener Münzen Download PDF

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Publication number
EP0078214A1
EP0078214A1 EP82401954A EP82401954A EP0078214A1 EP 0078214 A1 EP0078214 A1 EP 0078214A1 EP 82401954 A EP82401954 A EP 82401954A EP 82401954 A EP82401954 A EP 82401954A EP 0078214 A1 EP0078214 A1 EP 0078214A1
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EP
European Patent Office
Prior art keywords
corridor
alloy
selector according
acceptable
memory
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Granted
Application number
EP82401954A
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English (en)
French (fr)
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EP0078214B1 (de
Inventor
Joel Doucet
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Individual
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Individual
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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
    • 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

Definitions

  • the present invention relates to a multi-coin coin selector comprising a corridor having an inclined bottom for rolling the coins and an inclined wall for supporting one face of the coins, means comprising photoreceptive means and photoemissive means on both sides. 'other of the corridor to recognize the dimensions of the parts, and means comprising two coils on either side of the corridor to recognize the alloys of the parts.
  • the multi-room selectors as described in FR-A-2 461 987 and FR-A-2 466 055 include, as means of recognizing the dimensions of the parts, also two coils on either side of the running lane of the rooms. These coils have diameters such that the upper end of a part having the minimum diameter crosses only slightly their electromagnetic field and a part having the maximum diameter completely crosses this electromagnetic field.
  • One of the so-called oscillating coils is connected to an oscillating circuit which supplies a high frequency signal of the order of 100 kHz.
  • the other so-called receiving coil transmits to voltage comparison means a voltage which is proportional to the intensity of the magnetic flux through which the upper part of each part passes. Reference voltages representative of the diameters of the different types of acceptable parts are compared with the voltage transmitted by the take-up reel in order to deduce whether the part must be accepted, in which case its diameter is between the minimum and maximum diameters or be otherwise refused.
  • the means for recognizing alloys of the parts also use the same principle of comparison of tensions.
  • Another coin selector is disclosed in FR-A-2 448 752. This selector selects only one type of coin, that is to say can only admit coins having a predetermined diameter, constituted by a predetermined alloy or material.
  • Alloy recognition means are based on the principle described previously. They also include two coils facing each other. One of the coils is excited by a frequency generator. The other coil receives an induced signal, the amplitude of which is compared with a predetermined voltage in order to accept the part inserted between the coils when the amplitude is less than the predetermined voltage.
  • the means for recognizing the dimensions of the parts according to FR-A-2 448 752 comprise two pairs of lamps and. photo - transistor which are respectively placed at a distance substantially equal to the diameter of the type of acceptable part. If one or both of the phototransistors are illuminated, the inserted part does not have the required diameter and is rejected.
  • the previous known selectors thus adopt as selection criteria only the diameter and the alloy of the parts. If a part with a required diameter and alloy is introduced, it will be accepted regardless of its thickness. This also offers a non-negligible prospect for fraudsters to introduce false coins into the dispensing device.
  • the diameter recognition means according to FR-A-2 466 055 do not allow the acceptance of parts having a diameter included in a predetermined relatively small range. If the dispenser has to accept parts with a very large difference in diameter, the measurement sensitivity to distinguish the diameters requires very precise adjustment and the number of diameters requires as many comparison circuits. This last remark is also valid for the comparison circuits included in the alloy recognition means.
  • the object of the present invention is to provide a multi-coin selector which makes it possible to select the coins in particular according to their thicknesses.
  • the respective comparison means included both in the size recognition means and in the alloy recognition means are unique and used for all types of parts.
  • a multi-coin selector of the kind described in the introduction is characterized in that the bottom of the corridor has in front of the dimension recognition means a stepped cross section whose bottom step is adjacent to the inclined wall from the hall.
  • the photoreceptive means consist of photoreceptors such as transfer circuits load / phototransistors respectively opposite the stair risers and capable of receiving the radiation emitted by the photoemissive means.
  • the staircase section of the bottom thus makes it possible to differentiate the thicknesses of acceptable pieces.
  • the concealment of photoreceptors opposite the risers and other photoreceptors above the stairs thus produces a binary word identifying not only the diameter but also the thickness of each type of acceptable part.
  • Recognition of acceptable dimensions is obtained by means connected to the photoreceptors to detect an identification word for the diameter and thickness of each piece introduced into the corridor, a word memory identifying respectively the dimensions of acceptable pieces and means for compare each detected word with the memorized words in order to accept or reject the introduced document.
  • the alloy recognition means comprise an impedance bridge of which two adjacent branches each include parallel impedances and one of these two branches of which includes the two coils in series, means for comparison of voltages to detect the balance of the bridge with a view to accepting or refusing a part passing between the two coils, a word memory identifying respectively the alloys of acceptable parts and switching means receiving the words alloy identification to select combinations of impedances in the bridge corresponding to its balance for all types of acceptable parts.
  • a selector for coins or tokens having different diameters, thicknesses and alloys includes means for recognizing dimensions 1-2 of the pieces P and means for recognizing alloys 3-4 of the pieces P.
  • Each of these means comprises a device for detecting the pieces 1.3 which is located along the corridor. 5 for the gravity bearing of the parts P, and a circuit 2.4 associated with the respective detection device 1.3 to compare the dimension or the alloy detected with those prerecorded.
  • the circuits 2 and 4 are included in a logic control unit 6 which determines, according to the results of the comparisons, whether an introduced part must be accepted and cashed or be refused and reimbursed.
  • the multi-room selector is located in a known device for distributing objects or services. We will only mention in the following the elements of this device which relate directly to the multi-room selector.
  • the runway 5 has an inlet 50 which is constituted by the single slot for introducing the parts, and a double outlet 51-52.
  • the latter consists of a first outlet 51 known as acceptable coins above the collection receptacle of the dispensing apparatus and by a second outlet 52 of rejected coins above the reimbursement receptacle of the dispensing apparatus.
  • the selection at the end of the corridor between the rooms acceptable and refused is obtained by means of an electromagnet 60 which is controlled through a conductive link 61 by the unit 6.
  • the electromagnet 60 keeps the end of the corridor open, through a retractable hatch 62, both that the comparisons relating either to the dimensions or to the alloy are negative.
  • the runway 5 has a generally rectangular section and has a descending bottom 53 from the inlet 50 towards the outlet 51-52. - According to the illustrated embodiment, from the input 50, a part first passes through the detection device of dimensions 1 then the detection device of alloys 3.
  • the bottom 53 of the raceway has a width equal to the greatest thickness of the acceptable parts.
  • the bottom plane 53e on the side of the inlet 50 is at a level higher than the bottom plane 53a passing through the device 2 to the outlet 51-52.
  • the bottom has a cross section in straight staircase, through the device 1, as shown in FIG. 4. It was assumed that the staircase section included three intermediate steps 54b, 54c and 54d between a lower step 54a and an upper step 54e.
  • the steps 54a and 54e are respectively coplanar with the bottom planes 53a and 53e.
  • the longitudinal walls 550 and 551 of the passage 5 are inclined relative to the vertical so that all the parts are supported by gravity on the lower wall 550.
  • the longitudinal risers or transitions between the extended 53e plane. by the upper step 54e and the following step 54d, between the steps 54d and 54c, between the steps 54c and 54b and between the step 54b and the lower plane 53a extending the step 54a consist respectively of rectangular inclined planes 56d, 56c, 56b and 56a.
  • These inclined planes are contiguous to the wall 550 against which. gravity rests on one side of the parts.
  • the corridor also includes inclined planes 57d to 57a which form respective transitions between the steps 54e to 54a and which are adjacent to the upper longitudinal wall 551.
  • inclined planes 57d to 57a which form respective transitions between the steps 54e to 54a and which are adjacent to the upper longitudinal wall 551.
  • lesmarches 54e to 54a form between the walls 551 and 550 of the longitudinal parallel strips which are each offset from the previous towards the outlet.
  • the inclined planes are used for the progressive descent of the pieces to different thicknesses between the upper plane 53e and the lower plane 53a of the bottom.
  • other configurations and longitudinal distributions of the inclined planes can be envisaged.
  • the distances between the support wall 550 and the risers and the other wall 551 are -sensibly greater than the five different thicknesses of the acceptable parts.
  • a thin piece P a rolls, starting from the upper bottom plane 53e, successively on the inclined planes 56d to 56a and along the lower step 54a, while a thick piece P e whose thickness is greater than the distance between the wall 550 and the upper riser and at most equal to the width of the corridor 5, rolls first on the upper step 54e then on the inclined planes 57d to 57a.
  • the thicknesses of the pieces are detected, according to the illustrated embodiment, by photosensitive receptors at junction 10a to 10i in combination with the selection by means of the staircase section of the corridor. These receivers are also used to detect the diameters of the parts.
  • the dimension detection device 1 comprises a radiating source 11 and a plurality of photosensitive receivers 10a to 10i such as phototransistors.
  • the radiating source 11 can emit in the visible range or, preferably, in the infrared in order to get rid of any parasitic detection of the light which can come in particular from the entry slot 50 of the parts.
  • the radiating source 11 consists either of a lamp or of a light-emitting diode or of several photo-emissive diodes.
  • the photosensitive receivers can also be replaced by any other electro-optical means such as a camera or charge transfer circuit block (CTD) of the charge coupling type, the operating mode of which will be detailed below.
  • CCD charge transfer circuit block
  • the radiating source 11 is fixed behind a slot 12 which is formed in the upper wall 551 of the corridor and which is perpendicular to the bottom 53 of the corridor and therefore to all the steps 54e to 54a.
  • the phototransistors 10a to 10i are inserted into the support wall 550 and are also aligned vertically from the bottom 53 in the transverse plane. which is perpendicular to the walls 550 and 551 and median to the slot 12. This plane has the line IV-IV in Figs. 2 and 3 and is located at the level of a staircase cross section of the bottom 53.
  • the slot 12 can be replaced by holes which are made in the upper wall 551 of the corridor, aligned vertically with the bottom 53 of the corridor and respectively opposite the phototransistors 10a to 10i.
  • the lower phototransistors 10a to 10d are respectively positioned opposite the midpoints of the risers. It has been assumed according to the illustrated example that five phototransistors 10e to 10i are equally distributed between the upper step 54e and the upper edge of the wall 550. However, in practice, the phototransistors 10a and 10i may be more numerous and be distributed according to diameters of the different acceptable parts. The last phototransistor 10i is generally substantially above the highest level of the acceptable parts rolling in the stepped section in order to detect the false parts having too large a diameter for example.
  • the circuit 2 of the logic unit 6 can deduce the diameter and the thickness of a part.
  • the excitation of a lower phototransistor 10a to 10d by the radiating source 11 indicates that the part has a thickness greater than the distance between the bearing wall 550 and the corresponding riser.
  • the concealment of the other phototransistors indicates the diameter of the part.
  • the high logic signals a to i indicate the respective excitations of the phototransistors 10a to 10i, while the complementary logic signals at to T indicate their respective occultations.
  • the insert P has a thickness between the distances from the wall 550 and the risers of the steps 54c and 54d. She therefore rolls on step 54c. Its diameter is significantly greater than the distance between the phototransistors 10c and 10g. It follows that the phototransistors 10c to 10g will be obscured and that the phototransistors 10a, 10b, 10h and 10i will be excited by the source 11. In this case, a bus 13 of wires connected to the phototransistors transmits to the circuit 2 the detected word ab cdefg h i.
  • the insert P b rolls on the second step 54b and has a diameter substantially greater than the distance between the phototransistors 10b and 10h.
  • the word detected and delivered on bus 13 is a bcdefgh i.
  • the part R has the same dimensions as that shown in FIG. 8, but was drilled centrally to form a washer. Its central hole lets pass the radiation of the source 11 which excites the phototransistor 10e,. Which makes it possible to distinguish the word transmitted on the bus 13, such as a bcd e fgh i.
  • the circuit 2 recognizes in the logic signal -received at least two separate sets of signals at the low level, it deduces therefrom that the inserted part is perforated and therefore unacceptable and must be refused by retraction of the hatch 62 controlled by the ejection solenoid 60.
  • a part may be ejected into the reimbursement receptacle by means controlled manually or electromechanically to move at least the support wall 550 from the corridor.
  • each acceptable part can be characterized by a word identifying the diameter and the thickness.
  • the circuit 2 comprises a read-only memory (ROM) 20 which contains at predetermined addresses nine-bit words identifying respectively the dimensions of all the types of part which the dispensing device can accept.
  • ROM read-only memory
  • This memory is preferably reprogrammable (REPROM) so that the device management company can select the acceptable parts according to the cost of the service or the object to be distributed.
  • the circuit 2 also includes, according to the example illustrated, a shift buffer register 21 with at least nine stages, a time base 22, a read addressing circuit 23 for the read only memory 20 and a logic comparison circuit 24 whose input buses 240, 241 are connected to the parallel outputs of memory 20 and of register 21.
  • Bus 13 transmits the parallel bits of the binary identification words to the time base 22.
  • the time base 22 periodically reads the words on the bus 13 and includes means for comparing two by two successively these words in order to retain only the word having the greatest number of bits at the low logic level between two predetermined times corresponding substantially to the passage of a part between the slot 12 and the phototransistors 10a to 10i.
  • the selected word corresponds to the passage of the diametral section of the room.
  • the time base 22 then orders the next cycle.
  • the retained identification word is recorded in the buffer register 21 via a bus 220.
  • the time base simultaneously controls the reading of the register 21 and the reading of a first acceptable piece identification word in memory 20 through the addressing circuit 23.
  • the comparison circuit 24 transmits the result of the comparison via its output wire 242 to the time base 22. As long as the result of the comparison is negative, the base of time commands the reading of the other acceptable part identification words contained in the read-only memory 20 in order to compare them with the word detected and recorded in the register 21.
  • the time base 22 orders via the wire 61 the rejection of the part introduced by opening the hatch 62. If a comparison is positive, the reading cycle of the memory 20 is stopped, and a address is transmitted via bus 200 from memory 20 to an alloy memory 40 contained in circuit 4. Each part identification word contained in memory 20 is memorized with an address word from memory 40 which characterizes the alloy of the acceptable part having the dimensions corresponding to the identification words detected and stored in circuit 2.
  • the address words of the memory 40 are unused.
  • FIG. 4A and 4B Another embodiment uses, as a photosensitive reception means included in the detection device of dimensions 1, a CCD strip with charge coupling circuits already mentioned.
  • This embodiment is shown in Figs. 4A and 4B.
  • the phototransistors 10a to 10i are replaced by the N cells 14 1 to 14 N of the CCD strip which are connected to the bus 13.
  • the number N is greater than that of the phototransistors due to the very integrated structure of the strip .
  • the vertical definition with a CCD bar can reach at least a tenth of a millimeter.
  • the bar is also placed in the support wall 550 vertically from the bottom 53 of the corridor 5 and opposite the slot 12.
  • the stair treads 54a to 54d are replaced by an inclined plane 58 which makes an acute angle pre-terminated ⁇ with the lower support wall 550.
  • the inclined plane 58 which makes an acute angle pre-terminated ⁇ with the lower support wall 550.
  • the concealed cells such as from cell 14 3 for a thin piece P f having a thickness ⁇ e f (Fig. 4A) or from cell 14 5 for a thicker piece P g having a thickness ⁇ e g (Fig. 4B) determine the diameter of the part.
  • the excited lower cells such as 14 1 and 14 2 for the part P f or 141 to 14 4 for the part P g directly determine the thickness ⁇ e of the part according to the formula: where ⁇ l is the distance between the bottom of the part and the top of the angle a, i.e. the length along which lower cells are excited.
  • a is chosen equal to ⁇ / 4 in order to facilitate the calculations since in this case:
  • the dimension comparison circuit validates the diameter of the part as before. In addition, it more precisely directly validates the thickness of the part according to the formula: by comparison of the word formed by the excitation of the lower CCD cells and of stored words identifying the thicknesses of the acceptable parts for a predetermined diameter.
  • This embodiment has the advantage of giving the room selector an adaptation to all types of acceptable rooms without any mechanical modification - unlike the realization with a staircase corridor where each step corresponds to a room thickness -.
  • This adaptation is obtained only by programming the table of thicknesses and diameters of the parts stored in the reprogrammable memory (REPROM) of circuit 2.
  • Another advantage of the CCD strip consists in that the excitation of the cells is sensitive to the relief of the part which makes it possible to "photograph" a slice of the part and thus to detect the false parts having however acceptable dimensions.
  • the detection device 3 comprises, as is known, two face-to-face coils 30 and 31 which are respectively inserted in the longitudinal walls 550 and 551 of the runway 5 above the lower plane 53a.
  • the coils 30 and 31 are electromagnetically coupled. Their common axis is perpendicular to the walls 550 and 551 and is preferably at the level of the mean center of the parts rolling on the plane 53a, for example equal to that of the upper plane 53e.
  • the circuit 4 comprises, in addition to the memory for the identification words of alloys already cited 40, a Wheatstone bridge 41, an amplification circuit 42, an integrator circuit 43 and a threshold comparator circuit 44.
  • the common terminal 410 of two contiguous branches of the impedance bridge 41 is connected to the direct input 420 + of an amplifier 420 which is contained in the amplification circuit 42, through an input resistance 421.
  • Each of these two branches comprises in parallel a plurality of parallel circuits 451 - 461 to 454 - 464, 455 - 465 to 458 - 468, here four in number for example.
  • Each of these circuits includes a complex impedance 451 to 458 - which can be adjustable - and an analog switch 461 to 468 of the contact type controlled by a relay, or of the transistor type, or of the "analog switch" CD 4066 type of RCA for example.
  • 11 - comprises, in series with the four parallel circuits 451 - 461 to 454 - 464, the two coils 30 and 31 connected in series, as well as a complex impedance 411 which may include a thermistor.
  • the second previous branch - below in Fig. 11 - comprises two impedances 413 and 414 which are preferably resistive and capacitive respectively and which are in series with the other four parallel circuits 455-465 to 458-468.
  • the voltage of a generator 417 at a predetermined frequency, suitable for the discrimination of the alloys of the parts.
  • the third and fourth branches of the Wheatstone bridge 41 respectively include impedances 418 and 419 which are preferably resistive and capacitive respectively and which are connected to ground.
  • the reverse terminal 420_ of the amplifier 420 is connected to a resistor. 422 brought to ground and to a feedback resistance 423 connected to the output 424 of the amplifier 420.
  • the integrator circuit 43 includes two resistors 430 and 431, the common terminal of which is connected to a capacitor 432 brought to ground.
  • the other terminal of the resistor 430 is connected to the output 424 of the amplifier 420.
  • the other terminal of the resistor 431 is connected to one of the inputs 440 of the voltage comparator 411 contained in the circuit 44.
  • the threshold comparator circuit 44 also includes between the positive supply terminal and the ground a resistor 442 and a potentiometer 443 whose common terminal is connected to a resistor 444.
  • the other terminal of the resistor 444 is connected to a capacitor 445 brought to ground and to the other input 446 of comparator 441.
  • the output of comparator 441 is connected to the wire 61 for controlling the electromagnet 60 for ejecting rejected parts.
  • the potentiometer 443 is adjusted so that the voltage at terminal 446 of the comparator is equal to the equilibrium voltage of bridge 41 applied to the other terminal 440 through circuits 42 and 43.
  • Each group of analog switches 461 to 464, 465 to 468 is controlled by a four-wire output bus 401, 402 from the alloy identification word memory 40.
  • the adjustable impedances 451 to 458 are regulated so that, for certain combinations of closings and openings of switches 461 to 468, that is to say predetermined combinations of impedances 451 to 458, each of the alloys or materials characterizing all the acceptable parts, introduced between the coils 30 and 31 indicate the balance of the bridge, for example by an output signal at the high level on the wire 61.
  • a combination of closings and openings of the switches or impedances corresponds a predetermined alloy and a word alloy identification in reprogrammable read-only memory 40 (REPRCM).
  • this memory 20 delivers on the bus 200, after a period of time corresponding substantially to the travel time of the part between the devices 1 and 3, the address of the alloy identification word which is contained in the memory 40 and which corresponds to the alloy of an acceptable part having the dimensions detected. Then the switches 461 to 468 are controlled via the buses 401 and 402 / positioned to detect the corresponding alloy. If the inserted part causes the balance of the bridge 41 during its passage between the coils 30 and 31, the comparator 441 actuates the ejection electromagnet 60 (FIG.
  • the circuit 4 fulfills the functions analogous to the circuit 2.
  • the circuit 4 comprises a time base such as 22 which successively reads the alloy identification words in the memory 40, until the time base detects a low signal at the output of the compass rator 441, which validates the document introduced. Otherwise, for all the combinations of closings and openings of the analog switches 461 to 468 stored in the memory 40, no balance of the bridge 41 has been reported and the time base or the comparator 441 maintains the retraction of the hatch 62 to reject the unacceptable part.
  • the alloy detection device 3 can precede the dimension detection device 1 along the path of the parts in the corridor 5.
  • the circuit 4 comprises a time base such as 22 which cyclically reads the memory 40 until a balance of the bridge 41 is achieved. In response to this balance, the memory 40 addresses the memory 20 so that a comparator such as 24 compares the word received on the bus 13 with that addressed in the memory 20. As before, if the bridge is balanced and if, for this balance, the result of the comparison in the comparator 24 is positive, the hatch 62 is actuated to close the end of the corridor.
  • the circuit 2 for recognizing the dimensions can be organized around a microprocessor 25, as shown in FIG. 12.
  • the microprocessor comprises a random access memory RAM which is used for successive two-by-two comparisons of the words detected on the bus 13 during the passage of the part.
  • Circuit 2 also includes a reprogrammable memory 26 and an input / output interface. In the memory 26 are pre-recorded the words identifying the acceptable dimensions of the parts and the instructions corresponding to the cycle of comparisons, as described above with reference to FIG. 10.
  • the circuits 25, 26 and 27 are conventionally linked together by a unidirectional bus 28 for the addresses originating from the microprocessor 25 and by a bidirectional bus 29 for the instructions and the data
  • the interface 27 is connected to the bus 13 connected to the means photoreceptives 10a to 10i (Fig. 5) or 14 1 to 14 N (Figs.4A and 4B), to the bus 200 serving the alloy identification word memory 40 (Fig. 11), to the control wire 61 of the electromagnet 60 of the retractable flap 62 (Fig. 1) and directly, in this case, at the output of the voltage comparator 44 (Fig. 11).
  • the interface 27 can serve by a bus 270 other devices, such as displays for example.
  • the memory 40 (FIG. 11) can also be produced in the form of a microprocessor.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Coins (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Length Measuring Devices By Optical Means (AREA)
EP82401954A 1981-10-27 1982-10-22 Prüfeinrichtung für eine Vielzahl verschiedener Münzen Expired EP0078214B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8120170 1981-10-27
FR8120170A FR2515395B1 (fr) 1981-10-27 1981-10-27 Selecteur multipiece de monnaie

Publications (2)

Publication Number Publication Date
EP0078214A1 true EP0078214A1 (de) 1983-05-04
EP0078214B1 EP0078214B1 (de) 1984-08-08

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EP82401954A Expired EP0078214B1 (de) 1981-10-27 1982-10-22 Prüfeinrichtung für eine Vielzahl verschiedener Münzen

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US (1) US4577744A (de)
EP (1) EP0078214B1 (de)
JP (1) JPS5882383A (de)
DE (1) DE3260545D1 (de)
DK (1) DK159691C (de)
FI (1) FI71847C (de)
FR (1) FR2515395B1 (de)

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EP0119936A1 (de) * 1983-02-10 1984-09-26 MECELEC, Société Anonyme Optisches Verfahren und Vorrichtung zur Bestimmung der Abmessungen eines sich bewegenden Gegenstandes, insbesondere einer Münze in einem Verkaufsautomaten
WO1990007164A1 (en) * 1988-12-16 1990-06-28 Farmor Engineering Co., Ltd. Counter apparatus
WO1991016690A1 (en) * 1990-04-20 1991-10-31 Tetrel Limited Coin validators
WO1992009056A1 (en) * 1990-11-16 1992-05-29 Coin Controls Limited Coin discrimination apparatus with optical sensor
ES2043544A2 (es) * 1992-04-21 1993-12-16 Comercial Cocamatic S A Mejoras introducidas en monederos electronicos.
WO1995024024A1 (de) * 1994-03-04 1995-09-08 Austel Licensing Gmbh Verfahren zum erkennen von münzen und vorrichtung dazu
EP0716400A1 (de) 1994-12-10 1996-06-12 National Rejectors Inc. GmbH Vorrichtung zur Erfassung eines fadenähnlichen Fremdkörpers in einer Münzvorrichtung
FR2734356A1 (fr) * 1995-05-18 1996-11-22 Proditec Systeme de controle automatique de l'epaisseur de flans monetaires
DE19640067A1 (de) * 1996-09-28 1998-04-02 Nat Rejectors Gmbh Vorrichtung zur Messung der Dicke von Münzen in einer Münzvorrichtung

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US4696385A (en) * 1984-06-05 1987-09-29 Digital Products Corporation Electronic coin detection apparatus
JPS62151667U (de) * 1986-03-15 1987-09-25
JPS62151668U (de) * 1986-03-15 1987-09-25
US6736251B2 (en) * 1992-09-04 2004-05-18 Coinstar, Inc. Coin counter and voucher dispensing machine and method
US6494776B1 (en) * 1992-09-04 2002-12-17 Coinstar, Inc. Coin counter/sorter and coupon/voucher dispensing machine and method
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JP3525360B2 (ja) * 1994-05-19 2004-05-10 ローレルバンクマシン株式会社 硬貨判別装置
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DE19909851C2 (de) * 1999-03-08 2003-09-04 Zimmermann Gmbh & Co Kg F Vorrichtung zur Unterscheidung falscher von echten Münzen
ES2160066B2 (es) 1999-08-18 2002-07-16 Jofemar Sa Selector de monedas mejorado.
US6640956B1 (en) 2000-09-05 2003-11-04 De La Rue Cash Systems, Inc. Method of coin detection and bag stopping for a coin sorter
JP4933703B2 (ja) * 2001-05-22 2012-05-16 高砂電器産業株式会社 メダル通過検出装置およびその装置が用いられたスロットマシン
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FI823547A0 (fi) 1982-10-18
US4577744A (en) 1986-03-25
DE3260545D1 (en) 1984-09-13
DK159691B (da) 1990-11-19
FR2515395B1 (fr) 1985-05-31
FR2515395A1 (fr) 1983-04-29
FI71847B (fi) 1986-10-31
DK472382A (da) 1983-04-28
FI71847C (fi) 1987-02-09
JPS5882383A (ja) 1983-05-17
FI823547L (fi) 1983-04-28
DK159691C (da) 1991-04-15
EP0078214B1 (de) 1984-08-08

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