WO2014181584A1 - メダル識別装置 - Google Patents

メダル識別装置 Download PDF

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Publication number
WO2014181584A1
WO2014181584A1 PCT/JP2014/057430 JP2014057430W WO2014181584A1 WO 2014181584 A1 WO2014181584 A1 WO 2014181584A1 JP 2014057430 W JP2014057430 W JP 2014057430W WO 2014181584 A1 WO2014181584 A1 WO 2014181584A1
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WO
WIPO (PCT)
Prior art keywords
authenticity determination
determination range
medal
authenticity
identification device
Prior art date
Application number
PCT/JP2014/057430
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English (en)
French (fr)
Japanese (ja)
Inventor
百瀬　正吾
Original Assignee
日本電産サンキョー株式会社
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 日本電産サンキョー株式会社 filed Critical 日本電産サンキョー株式会社
Priority to CN201480025318.3A priority Critical patent/CN105190711A/zh
Publication of WO2014181584A1 publication Critical patent/WO2014181584A1/ja

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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
    • G07F—COIN-FREED OR LIKE APPARATUS
    • G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/32—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for games, toys, sports, or amusements
    • G07F17/3244—Payment aspects of a gaming system, e.g. payment schemes, setting payout ratio, bonus or consolation prizes
    • G07F17/3248—Payment aspects of a gaming system, e.g. payment schemes, setting payout ratio, bonus or consolation prizes involving non-monetary media of fixed value, e.g. casino chips of fixed value

Definitions

  • the present invention relates to a medal identification device for identifying the authenticity of medals used in game machines such as slot machines and medal game machines.
  • a medal selector used in a slot machine is known (for example, see Patent Document 1).
  • the medal selector described in Patent Document 1 is a device for selecting medals inserted from a medal insertion slot, and discharges illegal medals having a small size to a medal tray and sends out regular medals to a medal tank. Yes.
  • the medal selector is formed with a medal passage through which medals inserted from the medal insertion slot pass, and the medal selector sorts medals using the medal passage.
  • a coin identification sensor used in a vending machine or a ticket machine is known (for example, see Patent Document 2).
  • the coin identification sensor described in Patent Document 2 includes a magnetic material / thickness sensor for detecting the material and thickness of the coin, and a magnetic diameter sensor for detecting the diameter of the coin.
  • the material / thickness sensor is disposed on one side of the coin transport path in a direction orthogonal to the thickness direction of the coin passing through the coin transport path and the coin transport direction, and the diameter sensor is used to detect the coin passing through the coin transport path. It is arranged on the other side of the coin conveyance path in a direction orthogonal to the thickness direction and the coin conveyance direction.
  • a coin is identified by the coin identification sensor described in Patent Document 2. Therefore, for example, if the coin identification sensor is used in Japan, the coin to be used is a fixed coin regardless of where the coin identification sensor is installed, and the material of the coin to be determined as a true coin, The thickness, diameter, surface pattern (surface pattern), etc. do not change.
  • the type of medal used depends on the store where the slot machine is installed, and the material of the medal to be judged as a true medal
  • the thickness, diameter, surface pattern, etc. may change.
  • the material, thickness, diameter, surface pattern, etc. of the medal that should be judged as a true medal may vary depending on the floor on which the slot machine is installed. . That is, for example, even when the slot machine is used in Japan, there are a wide variety of medals used in the slot machine. Therefore, even if the coin identification sensor described in Patent Document 1 is applied to a slot machine as it is, it is difficult to appropriately identify the authenticity of medals used in the slot machine.
  • an object of the present invention is to provide a medal identification device for identifying the authenticity of medals for a gaming machine such as a slot machine.
  • An object of the present invention is to provide a medal identification device capable of appropriately identifying the authenticity of a medal.
  • a medal identification device is a non-contact type sensor in which a signal level of an output signal varies depending on passage of a medal in a medal identification device for identifying the authenticity of a medal for a game machine.
  • the control unit is an authenticity in which the peak value or bottom value of the signal level of the sensor output signal based on the output signal from the sensor is defined by a predetermined upper limit threshold value and lower limit threshold value. If it is within the determination range, authenticity determination is performed to determine that the medal is a true medal, and the control unit can change the authenticity determination range used for authenticity determination.
  • the control unit recognizes a medal to be identified when the peak value or bottom value of the signal level of the sensor output signal based on the output signal from the non-contact sensor is within the authenticity determination range.
  • An authenticity determination is made to determine that the token is a true medal. That is, in the present invention, the authenticity determination of the medal is performed using a non-contact type sensor. Therefore, in the present invention, even if the medal identification device has been used for many years, it is possible to prevent a decrease in medal identification accuracy due to wear or the like of sensor components. That is, according to the present invention, it is possible to suppress a decrease in medal identification accuracy over time.
  • the authenticity determination range used for authenticity determination can be changed in the control unit, the material, thickness, diameter and surface of the medal used at the place where the medal identification device is installed Depending on the pattern or the like, it is possible to change the authenticity determination range used for authenticity determination. Therefore, according to the present invention, it is possible to appropriately identify the authenticity of various medals.
  • the senor is a magnetic sensor having an excitation coil and a detection coil
  • the control unit has a peak of the signal level of the coil output signal as a sensor output signal based on the output signal from the detection coil.
  • the senor includes a first detection coil and a second detection coil as the detection coils, and the control unit peaks the signal level of the coil output signal based on the output signal from the first detection coil. Value or bottom value is within the first authenticity determination range as the authenticity determination range, and the peak value or bottom value of the signal level of the coil output signal based on the output signal from the second detection coil is the authenticity determination range. If it is within the second authenticity determination range, authenticity determination is performed to determine that the medal is a true medal, and the control unit can change the first authenticity determination range and the second authenticity determination range used for authenticity determination.
  • the diameter of the medal is identified based on the coil output signal from the first detection coil, and the material and thickness of the medal are identified based on the coil output signal from the second detection coil. Is possible. Therefore, it becomes possible to improve the identification accuracy of medals.
  • the control unit stores in advance a plurality of authentication determination range groups each composed of a first authentication determination range and a second authentication determination range, and a plurality of authentication determination ranges stored in advance in the control unit.
  • the authenticity determination range set used for authenticity determination is selected from the set and switched to the selected authenticity determination range set, thereby changing the authenticity determination range used for authenticity determination.
  • authentication is performed by selecting one authentication determination range group used for authentication determination from a plurality of authentication determination range groups stored in advance in the control unit and switching to the selected authentication determination range set.
  • the authenticity judgment range used for is changed. In this case, even if the authenticity determination range used for authenticity determination can be changed, the authenticity determination range used for authenticity determination can be changed relatively easily.
  • two or more authentication determination range groups used for authentication determination are selected from a plurality of authentication determination range groups stored in advance in the control unit, and switched to the selected authentication determination range group.
  • the authentication determination range used for authentication determination is changed.
  • two or more medals may be used as true medals on the same gaming machine. Therefore, if comprised in this way, even if it is a case where two or more types of medals are used as a true medal with the same game machine, it becomes possible to perform appropriate authenticity determination by a control part.
  • the medal identification device preferably includes a mechanical switch for switching the authenticity determination range set used for authenticity determination.
  • a mechanical switch for switching the authenticity determination range set used for authenticity determination.
  • the medal identification device can be switched between an authenticity determination mode for determining authenticity and an authenticity determination range setting mode for setting an authenticity determination range, and the control unit sets the authenticity determination range.
  • the authenticity judgment range is set and stored based on the peak value or bottom value of the sensor output signal level in the mode, and the authenticity judgment range stored in the authenticity judgment range setting mode is used for the authenticity judgment. It is preferable that the authenticity determination range used for the is changed. With this configuration, even if a medal that was not initially assumed is used as a true medal in the medal identification device, the authenticity determination range corresponding to the unexpected true medal stored in the authenticity determination range setting mode is Since it is used for authenticity determination in the authenticity determination mode, it is possible to perform appropriate authenticity determination by the control unit in the authenticity determination mode.
  • the medal identification device preferably includes a mechanical switch for switching between the authenticity determination mode and the authenticity determination range setting mode.
  • a mechanical switch for switching between the authenticity determination mode and the authenticity determination range setting mode.
  • the medal identification device can be switched between an authenticity determination mode for performing authenticity determination and an authenticity determination range setting mode for setting the first authenticity determination range and the second authenticity determination range.
  • the control unit stores in advance a plurality of authentication determination range sets including a first authentication determination range and a second authentication determination range, and at least one of the plurality of authentication determination range sets stored in advance in the control unit.
  • Each authenticity determination range set can be reset based on the peak value or the bottom value of the coil output signal in the authenticity determination range setting mode, and a plurality of authenticity determination range sets stored in advance in the control unit.
  • One or more authentication judgment range groups used for authenticity determination are selected from the above, and the authenticity determination range used for authentication determination is changed by switching to the selected authentication judgment range pair. It is preferable.
  • the authenticity determination range set corresponding to the unexpected true medal is re-established in the authenticity determination range setting mode. Since it is possible to use the set and re-set authenticity determination range group for authenticity determination, it is possible to perform appropriate authenticity determination by the control unit in the authenticity determination mode. Also, with this configuration, even if two or more types of medals are used as true medals on the same game machine, it is possible to perform appropriate authenticity determination by the control unit.
  • the medal identification device includes a mechanical first switch for switching the authenticity determination range set used for authenticity determination, and a mechanical type switch for switching between the authenticity determination mode and the authenticity determination range setting mode. And a second switch.
  • the medal identification device includes an adjusting unit for adjusting the upper limit threshold and the lower limit threshold, and the controller uses the upper limit threshold and / or the lower limit threshold to adjust the upper limit threshold and / or the lower limit threshold.
  • the authenticity determination range to be performed may be changed. In this case, even if a medal that was not originally assumed is used as a true medal in the medal identification device, the upper limit threshold and the lower limit threshold are adjusted to values corresponding to the true medal using the adjusting means. Therefore, it is possible to perform appropriate authenticity determination by the control unit.
  • the medal identification device for identifying the authenticity of medals for game machines such as slot machines, it is possible to suppress a decrease in medal identification accuracy over time and It becomes possible to properly identify the authenticity of various medals.
  • FIG. 3 is a perspective view of a state where an excitation coil, a first detection coil, and a bobbin are removed from the state shown in FIG. 2.
  • FIG. 3 is a perspective view of the annular core shown in FIG. 2. It is a top view of the cyclic
  • FIG. 1 is a perspective view of a medal identification device 1 according to an embodiment of the present invention.
  • FIG. 2 is a perspective view of the medal identification device 1 shown in FIG. 1 with the case body 3 removed.
  • the medal identification device 1 of this embodiment is a device for identifying the authenticity of the medal 2 for a slot machine, and is used by being mounted on a slot machine (not shown). That is, the medal identification device 1 is a device for identifying whether or not the medal 2 inserted from the medal slot of the slot machine is a true medal to be used in this slot machine.
  • the medal identification device 1 includes a case body 3 and a non-contact sensor 4 accommodated in the case body 3.
  • the sensor 4 of this embodiment is a magnetic sensor.
  • a passage 5 through which the medal 2 passes is formed inside the medal identification device 1.
  • the medal 2 is formed of a metal material having magnetism and is formed in a disc shape.
  • the case body 3 is formed in a rectangular parallelepiped box shape. On one side surface (upper surface in FIG. 1) of the case body 3, a slit-shaped passage hole 3a through which the medal 2 passes is formed. A slit-like passage hole through which the medal 2 passes is also formed on a side surface (lower surface in FIG. 1) parallel to the side surface on which the passage hole 3a is formed. The passage hole and the passage hole 3 a are connected to the passage 5.
  • a magnetic member 6 formed in a flat plate shape is fixed to each of the four side surfaces orthogonal to the side surface where the passage hole 3a is formed. The magnetic member 6 functions as a magnetic shield for protecting the sensor 4 from the external magnetic field of the medal identification device 1.
  • the case body 3 is fixed with a guide member (not shown) for guiding the medal 2 to the passage hole 3a.
  • the sensor 4 includes an excitation coil 8 and detection coils 9 and 10 and an annular core 11 around which the excitation coil 8 and detection coils 9 and 10 are wound.
  • the annular core 11 is made of a magnetic material.
  • the annular core 11 is formed of an iron-based magnetic material such as ferrite, amorphous, or permalloy.
  • the annular core 11 is formed in a flat plate shape.
  • FIG. 3 is a perspective view showing a state where the exciting coil 8, the detecting coil 9, and the bobbins 20 and 21 are removed from the state shown in FIG.
  • FIG. 4 is a perspective view of the annular core 11 shown in FIG.
  • FIG. 5 is a plan view of the annular core 11 shown in FIG.
  • each of the three directions orthogonal to each other is defined as an X direction, a Y direction, and a Z direction.
  • the X direction is the left-right direction
  • the Y direction is the front-rear direction
  • the Z direction is the up-down direction.
  • the X1 direction side is the “right” side
  • the X2 direction side is the “left” side
  • the Y1 direction side is the “front” side
  • the Y2 direction side is the “rear (back)” side.
  • the medal identification device 1 is arranged so that the thickness direction of the annular core 11 matches the vertical direction.
  • the medal 2 passes through the passage 5 in the thickness direction of the annular core 11.
  • the front-rear direction is the thickness direction of the medal 2 that passes through the passage 5.
  • the sensor 4 includes the excitation coil 8 and the detection coils 9 and 10 and the annular core 11 around which the excitation coil 8 and the detection coils 9 and 10 are wound.
  • the annular core 11 is formed in an annular shape. Specifically, the annular core 11 is formed in a substantially square annular shape that is elongated in the left-right direction.
  • the annular core 11 constitutes a front side portion of the annular core 11 and a substantially linear first core 12 arranged in parallel with the left-right direction, and constitutes a rear side portion of the annular core 11 and the first core 12.
  • a substantially linear second core 13 arranged in parallel; a linear first connecting core 14 connecting the right end of the first core 12 and the right end of the second core 13 and arranged in parallel with the front-rear direction; It is composed of a linear second connecting core 15 that connects the left end of the first core 12 and the left end of the second core 13 and is arranged in parallel with the first connecting core 14.
  • the annular core 11 of this embodiment is formed by press punching.
  • the first core 12 and the second core 13 are formed in the same shape, and the first connection core 14 and the second connection core 15 are formed in the same shape.
  • the annular core 11 is formed in a line-symmetric shape with respect to a center line CL1 parallel to the left-right direction passing through the center position of the annular core 11 in the front-rear direction, and in the left-right direction. It is formed in a line-symmetric shape with respect to a center line CL2 parallel to the front-rear direction passing through the center position of the annular core 11.
  • the first core 12 has convex portions 12a, 12b, and 12c that protrude toward the second core 13 (that is, toward the rear side).
  • the convex portions 12a to 12c are formed in a rectangular shape.
  • the rear end surfaces (that is, the front end surfaces) of the convex portions 12a to 12c are parallel to the left-right direction, and the left and right end surfaces of the convex portions 12a to 12c are parallel to the front-rear direction. Further, the rear end surfaces of the convex portions 12a to 12c are arranged on the same plane orthogonal to the front-rear direction.
  • the convex portion 12a is disposed on the right end side, the convex portion 12b is disposed on the left end side, and the convex portion 12c is disposed between the convex portion 12a and the convex portion 12b.
  • the convex part 12c is arranged so that the center of the convex part 12c in the left-right direction and the center of the first core 12 coincide with each other, and the convex part 12a and the convex part 12b have the center line CL2 as an axis of symmetry. It is arranged at a line symmetrical position.
  • a gap is formed between the convex portion 12 a and the first connecting core 14, and a gap is formed between the convex portion 12 b and the second connecting core 15.
  • a gap is formed between the convex portion 12a and the convex portion 12c, and a gap is formed between the convex portion 12b and the convex portion 12c.
  • the first core 12 is formed in a line-symmetric shape with respect to the center line CL2, and the gap between the convex portion 12a and the first connecting core 14 and the gap between the convex portion 12b and the second connecting core 15 are as follows.
  • the gap between the convex portion 12a and the convex portion 12c and the gap between the convex portion 12b and the convex portion 12c are the same size.
  • the rear end surface of the first core 12 between the convex portion 12a and the convex portion 12c and between the convex portion 12b and the convex portion 12c is between the convex portion 12a and the first connecting core 14 and the convex portion. It arrange
  • the second core 13 is formed in the same shape as the first core 12, and is disposed at a line-symmetrical position with the central axis CL1 as the symmetry axis. Therefore, the second core 13 is formed with convex portions 13a, 13b, and 13c that protrude toward the first core 12 (that is, toward the front side).
  • the convex portions 13a to 13c are formed in the same shape as the convex portions 12a to 12c, and the front end surfaces (that is, the front end surfaces) of the convex portions 13a to 13c are arranged on the same plane orthogonal to the front-rear direction. Yes.
  • the convex portion 13a is arranged at the same position as the convex portion 12a
  • the convex portion 13b is arranged at the same position as the convex portion 12b
  • the convex portion 13c is arranged at the same position as the convex portion 12c.
  • the second core 13 is formed in a line-symmetric shape with respect to the center line CL2.
  • a gap is formed between the convex portion 13 a and the first connecting core 14, and the convex portion 13 a and the first connecting core 14 are provided between the convex portion 13 b and the second connecting core 15.
  • a gap having the same size as the gap is formed.
  • a gap is formed between the convex portion 13a and the convex portion 13c, and the same size as the gap between the convex portion 13a and the convex portion 13c is formed between the convex portion 13b and the convex portion 13c.
  • a gap is formed.
  • the front end surface of the second core 13 between the convex portion 13a and the convex portion 13c and between the convex portion 13b and the convex portion 13c is the convex portion 13a and the first connecting core 14.
  • a passage 5 is provided between the convex portions 12a to 12c and the convex portions 13a to 13c in the front-rear direction.
  • the passage 5 is formed in a rectangular shape elongated in the left-right direction.
  • the guide member for guiding the medal 2 to the passage hole 3 a is fixed to the case body 3. This guide member guides the medal 2 to the passage hole 3a so that the medal 2 passes between the right end surface of the convex portions 12a, 13a and the left end surface of the convex portions 12b, 13b. That is, the left-right distance L1 (see FIG.
  • the width in the left-right direction of the passage 5 (that is, the distance L1) is larger than the outer diameter of the medal 2.
  • the width in the left-right direction of the passage 5 is the medal 2 that is assumed to be inserted from the medal slot of the slot machine, and is larger than the outer diameter of the medal 2 having the largest outer diameter. It has become.
  • the convex portions 12c and 13c are formed so that the entire convex portions 12c and 13c overlap the medal 2 when viewed from the front-rear direction regardless of the position of the passage 5 in the left-right direction. Is also arranged. That is, even when the medal 2 passes through the passage 5 so that the right end surface of the convex portions 12a, 13a or the left end surface of the convex portions 12b, 13b coincides with the outer peripheral end of the medal 2, it is viewed from the front-rear direction. Sometimes, the convex portions 12 c and 13 c are formed and arranged so that the entire convex portions 12 c and 13 c overlap with the medal 2.
  • the exciting coil 8 is wound around the convex portions 12a to 12c. Specifically, as shown in FIG. 2, an exciting coil is provided via a substantially square cylindrical bobbin 20 covering the upper and lower surfaces of the convex portions 12a to 12c, the right end surface of the convex portion 12a, and the left end surface of the convex portion 12b. 8 is wound around the convex portions 12a to 12c. That is, the exciting coil 8 is wound around the convex portions 12a to 12c via the bobbin 20 so as to cover the upper and lower surfaces of the convex portions 12a to 12c, the right end surface of the convex portion 12a, and the left end surface of the convex portion 12b. Yes.
  • the detection coil 9 is wound around the convex portions 13a to 13c. Specifically, as shown in FIG. 2, a detection coil is provided via a substantially square cylindrical bobbin 21 covering the upper and lower surfaces of the convex portions 13a to 13c, the right end surface of the convex portion 13a, and the left end surface of the convex portion 13b. 9 is wound around the convex portions 13a to 13c. That is, the detection coil 9 is wound around the convex portions 13a to 13c via the bobbin 21 so as to cover the upper and lower surfaces of the convex portions 13a to 13c, the right end surface of the convex portion 13a, and the left end surface of the convex portion 13b. Yes.
  • the detection coil 9 of this embodiment is a first detection coil.
  • the detection coil 10 is wound around the convex portion 13c. Specifically, as shown in FIG. 3, the detection coil 10 is wound around the convex portion 13 c via a substantially square cylindrical bobbin 22 covering the upper and lower surfaces, the right end surface, and the left end surface of the convex portion 13 c. Yes. That is, the detection coil 10 is wound around the convex portion 13c through the bobbin 22 so as to cover the upper and lower surfaces, the right end surface, and the left end surface of the convex portion 13c.
  • the detection coil 10 of this embodiment is a second detection coil.
  • FIG. 6 is a circuit block diagram of the medal identification device 1 shown in FIG.
  • FIG. 7 illustrates a coil output signal SG1 generated based on the output signal from the detection coil 9 shown in FIG. 6 and a coil output signal SG2 generated based on the output signal from the detection coil 10.
  • FIG. 8 is a diagram for explaining the relationship between the type of medal 2 passing through the passage 5 shown in FIG. 2 and the peaks P1 and P2 of the coil output signals SG1 and SG2.
  • an AC power supply 25 is connected to one end of a conducting wire that constitutes the exciting coil 8, and the other end of the conducting wire that constitutes the exciting coil 8 is grounded.
  • One end of the conducting wire constituting the detection coil 9 is connected to an MPU (Micro Processing Unit) 29 as a control unit via the amplifier circuit 26, the rectifier circuit 27 and the level adjustment circuit 28, thereby constituting the detection coil 9.
  • the other end of the conducting wire is grounded.
  • One end of the conducting wire constituting the detection coil 10 is connected to the MPU 29 via the amplifier circuit 31, the rectifier circuit 32 and the level adjusting circuit 33, and the other end of the conducting wire constituting the detection coil 10 is grounded.
  • the sensor 4 is connected to the MPU 29 via the amplifier circuits 26 and 31, the rectifier circuits 27 and 32, and the level adjustment circuits 28 and 33.
  • a comparator 35 is connected in parallel between the level adjustment circuit 28 and the MPU 29.
  • the amplifier circuits 26 and 31, the rectifier circuits 27 and 32, the level adjustment circuits 28 and 33, the MPU 29, and the comparator 35 are mounted on a substrate not shown.
  • one end of the conducting wire constituting the detection coil 9 is connected to the MPU 29 via the amplification circuit 26, the rectification circuit 27 and the level adjustment circuit 28, and is based on the output signal from the detection coil 9.
  • the coil output signal SG1 as an analog sensor output signal generated in this manner is input from the level adjustment circuit 28 to the MPU 29.
  • the circuit of the medal identification device 1 is configured so that the signal level of the coil output signal SG1 increases when the medal 2 passes through the passage 5 with the exciting coil 8 generating an alternating magnetic field. ing. For example, when one medal 2 passes through the sensor 4 (that is, when one medal 2 passes through the passage 5), a coil output signal SG1 whose signal level varies as shown in FIG. The
  • one end of the conducting wire constituting the detection coil 10 is connected to the MPU 29 via the amplification circuit 31, the rectification circuit 32, and the level adjustment circuit 33, and is generated based on the output signal from the detection coil 10.
  • a coil output signal SG2 as an analog sensor output signal is input from the level adjustment circuit 33 to the MPU 29.
  • the circuit of the medal identification device 1 is configured such that when the medal 2 passes through the passage 5 while the exciting coil 8 generates an alternating magnetic field, the signal level of the coil output signal SG2 increases. ing. For example, when one medal 2 passes the sensor 4, a coil output signal SG 2 whose signal level varies as shown in FIG. 7 is input to the MPU 29.
  • the distance L1 in the left-right direction between the right end surface of the convex portions 12a, 13a and the left end surface of the convex portions 12b, 13b is equal to the width in the left-right direction of the passage 5 and the detection coil 9 is wound around the convex portions 13a to 13c via the bobbin 21 so as to cover the upper and lower surfaces of the convex portions 13a to 13c, the right end surface of the convex portion 13a, and the left end surface of the convex portion 13b. Therefore, the signal level of the coil output signal SG1 based on the output signal from the detection coil 9 varies depending on the influence of the material, thickness and outer diameter of the medal 2 passing through the passage 5.
  • the convex portions 12c and 13c are disposed between the convex portions 12a and 13a and the convex portions 12b and 13b, and the medal 2 passes through any position of the passage 5 in the left-right direction from the front-rear direction.
  • the projections 12c and 13c are entirely formed and arranged so as to overlap the medal 2, and the detection coil 10 is wound around the projection 13c. Therefore, the signal level of the coil output signal SG2 based on the output signal from the detection coil 10 varies mainly due to the influence of the material and thickness of the medal 2 passing through the passage 5.
  • the signal levels of the coil output signals SG1 and SG2 may fluctuate due to influences such as fluctuations in the ambient temperature of the medal identification device 1.
  • the coil output signal SG1 and The signal level of SG2 is regularly adjusted.
  • the level adjustment circuit 28 periodically changes the signal level of the coil output signal SG1 based on the level adjustment signal output from the MPU 29 and input to the level adjustment circuit 28 based on the signal level of the coil output signal SG1.
  • the level adjustment circuit 33 periodically adjusts the signal level of the coil output signal SG2 based on the level adjustment signal output from the MPU 29 and input to the level adjustment circuit 33 based on the signal level of the coil output signal SG2. ing.
  • the MPU 29 acquires the signal values of the coil output signals SG1 and SG2 when the signal level of the coil output signal SG1 is equal to or higher than a predetermined threshold value. Specifically, first, the comparator 35 compares the signal level of the coil output signal SG1 input from the level adjustment circuit 28 with a threshold value, and outputs the comparison result to the MPU 29. Moreover, MPU29 acquires the signal value of coil output signal SG1, SG2 when the signal level of coil output signal SG1 is more than a threshold value.
  • the peak value P1 of the signal level of the coil output signal SG1 depends on the type of the medal 2 that passes through the passage 5.
  • the peak value P2 of the signal level of the coil output signal SG2 changes. Therefore, the MPU 29 determines whether or not the medal 2 passing through the passage 5 is a true medal to be used in the slot machine on which the medal identification device 1 is mounted based on the peak value P1 and the peak value P2.
  • the authenticity determination range RA as the first authenticity determination range defined from the upper limit threshold AH and the lower limit threshold AL, and the second authenticity defined from the upper limit threshold BH and the lower limit threshold BL.
  • An authenticity determination range RB as a determination range is set.
  • one type of medal 2 is a true medal to be used in the slot machine, and one authenticity determination is made up of an authenticity determination range RA and an authenticity determination range RB corresponding to the medal 2.
  • a set is set in the MPU 29. Further, the MPU 29 determines that the medal 2 passing through the passage 5 is a true medal when the peak value P1 is within the authenticity determination range RA and the peak value P2 is within the authenticity determination range RB. .
  • the MPU 29 determines that the medal 2 passing through the passage 5 is a true medal when the peak value P1 is within the authenticity determination range RA and the peak value P2 is within the authenticity determination range RB. Perform authenticity judgment.
  • FIG. 8 shows peak values P1 and P2 of eight types of medals 2 (medals A to H) when environmental conditions such as temperature are constant.
  • the authenticity determination ranges RA and RB used for authenticity determination can be changed in the MPU 29.
  • the MPU 29 stores in advance a plurality of authenticity determination range sets including an authenticity determination range RA and an authenticity determination range RB corresponding to the type of the medal 2, and a plurality of authenticity stored in advance in the MPU 29.
  • the authenticity determination range group used for authenticity determination is selected from the determination range group, and the authenticity determination ranges RA and RB used for authenticity determination are changed by switching to the selected authenticity determination range group.
  • authenticity determination range groups each consisting of an authenticity determination range RA and an authenticity determination range RB corresponding to medals A to D are stored in the MPU 29 in advance, and four authenticity determinations stored in the MPU 29 are stored.
  • One authenticity determination range set used for authenticity determination is selected from the range set according to the true medal 2 to be used in the slot machine, and is switched to the selected authenticity determination range set.
  • the authenticity determination ranges RA and RB used for authenticity determination are changed.
  • the authenticity determination range set set in the MPU 29 at the time of product shipment of the medal identification device 1 is a authenticity determination range set composed of the authenticity determination range RA corresponding to the medal A and the authenticity determination range RB
  • the true medal 2 to be used in the slot machine on which the medal identification device 1 is mounted is the medal B
  • the authenticity determination range RA and the authenticity corresponding to the medal B from among the four authenticity determination range sets.
  • the authenticity determination range set including the determination range RB is selected and switched to the selected authenticity determination range set, so that the authenticity determination range RA and RB used for authenticity determination are the authenticity determination range RA corresponding to the medal A,
  • the authenticity determination ranges RA and RB corresponding to the medal B are changed from RB.
  • the number of authentication determination range groups stored in advance in the MPU 29 may be two or more.
  • the authenticity determination range set stored in advance in the MPU 29 is an authenticity determination range set including an authenticity determination range RA and an authenticity determination range RB corresponding to a standard medal 2 used in the slot machine.
  • the medal identification device 1 is provided with a mechanical switch (first switch, not shown) for switching the authenticity determination range set, and the authenticity determination range set is switched by this switch.
  • This switch is, for example, a dip switch, and an authenticity determination range set used for authenticity determination is selected by turning the dip switch on and off.
  • this switch is, for example, a dial switch, and an authentication determination range set used for authentication determination is selected according to the rotational position of the dial switch.
  • the switch is mounted on a board on which the MPU 29 and the like are mounted. This substrate is arranged so as to be exposed to the outside when the case body 3 is removed. If the case body 3 is removed, the authenticity determination range group can be easily switched.
  • the authenticity determination of the medal 2 passing through the passage 5 is performed using the sensor 4 that is a non-contact type magnetic sensor. Therefore, in this embodiment, it is possible to identify whether or not the medal 2 is a true medal without contacting the components of the sensor 4 and the medal 2. Therefore, in this embodiment, even if the medal identification device 1 is used for many years, it is possible to prevent a decrease in the identification accuracy of the medal 2 due to wear of components of the sensor 4 or the like. That is, in this embodiment, it is possible to suppress a decrease in the identification accuracy of the medal 2 over time.
  • the authenticity determination ranges RA and RB used for authenticity determination can be changed in the MPU 29. Therefore, in this embodiment, the authenticity determination ranges RA and RB used for authenticity determination according to the material, thickness, outer diameter, etc. of the medal 2 used at the installation location of the slot machine on which the medal identification device 1 is mounted. Can be changed. Therefore, the medal identification device 1 of the present embodiment can appropriately identify the authenticity of a wide variety of medals 2.
  • the MPU 29 stores in advance a plurality of authenticity determination range sets composed of the authenticity determination range RA and the authenticity determination range RB corresponding to the type of the medal 2, and a plurality of authenticity determination ranges stored in advance in the MPU 29.
  • the authenticity determination range group used for authenticity determination is selected from the set and is switched to the selected authenticity determination range group, thereby changing the authenticity determination ranges RA and RB used for authenticity determination. Therefore, in this embodiment, even if the authentication range RA, RB used for authenticity determination can be changed, the authentication range RA, RB used for authentication can be changed relatively easily. Become.
  • switching of the authenticity determination range group used for authenticity determination is performed using a mechanical switch.
  • the switch is mounted on a substrate on which the MPU 29 and the like are mounted, and this substrate is disposed so as to be exposed to the outside when the case body 3 is removed.
  • the authentication range set can be easily switched at the installation location of the slot machine on which the medal identification device 1 is mounted. Therefore, in this embodiment, the switching operation of the authentication determination range group used for authentication determination is facilitated.
  • the signal level of the coil output signal SG1 based on the output signal from the detection coil 9 varies depending on the influence of the material, thickness and outer diameter of the medal 2 passing through the passage 5 and
  • the signal level of the coil output signal SG2 based on the output signal varies mainly due to the influence of the material and thickness of the medal 2 passing through the passage 5. Therefore, in this embodiment, it is possible to mainly identify the outer diameter of the medal 2 using the detection coil 9 and mainly identify the material and thickness of the medal 2 using the detection coil 10. Therefore, in this embodiment, it becomes possible to improve the identification accuracy of the medal 2.
  • one kind of medal 2 is a true medal to be used in the slot machine, and one authenticity used for authenticity determination from among a plurality of authenticity determination range sets stored in the MPU 29.
  • the determination range group is selected according to the true medal 2 to be used in the slot machine and is switched to the selected authentication determination range group, so that the authentication determination ranges RA and RB used for authentication determination are changed.
  • two or more kinds of medals 2 are true medals to be used in the slot machine, and two pieces used for authenticity determination from among a plurality of authenticity determination range sets stored in the MPU 29.
  • the above-mentioned authenticity determination range group is selected according to the true medal 2 to be used in the slot machine, and is switched to the selected authenticity determination range group, whereby the authenticity determination ranges RA and RB used for authenticity determination May be changed.
  • two or more authenticity determination range sets used for authenticity determination are selected by turning on / off a dip switch provided in the medal identification device 1.
  • two or more authenticity determination range sets used for authenticity determination are selected according to the rotational position of a dial switch provided in the medal identification device 1. In this case, even if two or more kinds of medals 2 are used as true medals in one slot machine, it is possible to perform appropriate authenticity determination by the MPU 29.
  • a plurality of authenticity determination range sets are stored in the MPU 29 in advance, and the authenticity determination range set used for authenticity determination among the plurality of authenticity determination range sets stored in the MPU 29 is used in the slot machine.
  • the authenticity determination ranges RA and RB used for authenticity determination are changed by being selected according to the true medal 2 to be performed and switching to the selected authenticity determination range pair.
  • the medal identification device 1 it is possible to switch between an authenticity determination mode for performing authenticity determination and an authenticity determination range setting mode for setting the authenticity determination ranges RA and RB.
  • the authenticity determination ranges RA and RB are set and stored based on the peak values P1 and P2 of the signal levels of the coil output signals SG1 and SG2 in the authenticity determination range setting mode, and the authenticity determination range stored in the authenticity determination range setting mode.
  • the authenticity determination ranges RA and RB used for authenticity determination may be changed by using RA and RB for authenticity determination.
  • the authenticity determination range set may be stored in the MPU 29 in advance, or may not be stored in advance.
  • the true medal 2 to be used in the slot machine is inserted into the slot machine a plurality of times.
  • the MPU 29 calculates an average value of a plurality of peak values P1 and P2 of the signal levels of the coil output signals SG1 and SG2 obtained by inserting the medal 2 a plurality of times, Based on the calculated average value, authenticity determination ranges RA and RB are set and stored.
  • the authenticity determination ranges RA and RB stored in the authenticity determination range setting mode are used for authenticity determination.
  • the authenticity determination range RA corresponding to the unexpected true medal 2 stored in the authenticity determination range setting mode. Since RB is used for authenticity determination in the authenticity determination mode, it is possible to perform appropriate authenticity determination by the MPU 29 in the authenticity determination mode.
  • the medal identification device 1 includes a mechanical switch (second switch, not shown) for switching between the authenticity determination mode and the authenticity determination range setting mode.
  • This switch is a dip switch, for example, and is mounted on a substrate on which the MPU 29 and the like are mounted.
  • the mode can be easily switched at the installation location of the slot machine. Therefore, even if the medals 2 that were not initially assumed are used as true medals in the slot machine, the authenticity determination ranges RA and RB for identifying the unexpected medals 2 at the installation location of the slot machine. Can be set and stored easily.
  • the authenticity determination range setting mode sets authentication determination ranges RA and RB for identifying one type of medal 2. Is remembered. That is, in the authentication determination range setting mode, one authentication determination range set is set and stored. When two or more types of medals 2 are true medals to be used in the slot machine, in the authentication determination range setting mode, authentication determination ranges RA and RB for identifying two or more types of medals 2 are set. It is set and stored. That is, in the authentication determination range setting mode, two or more authentication determination range groups are set and stored.
  • the medal identification device 1 when it is possible to switch between the authenticity determination mode and the authenticity determination range setting mode and a plurality of authenticity determination range sets are stored in the MPU 29 in advance, For example, at least one of the plurality of authentication determination range groups stored in advance in the MPU 29 is set to the peak values P1 and P2 of the signal levels of the coil output signals SG1 and SG2 in the authentication determination range setting mode. It can be reset based on this. That is, in this case, at least one authenticity determination range set among a plurality of authenticity determination range sets stored in advance in the MPU 29 can be rewritten in the authenticity determination range setting mode.
  • one or more authentication determination range groups used for authentication determination are selected from a plurality of authentication determination range groups stored in advance in the MPU 29, and the selected authentication determination range group is selected.
  • the authenticity determination ranges RA and RB used for authenticity determination are changed.
  • the MPU 29 can perform appropriate authenticity determination. In this case, even if two or more types of medals 2 are used as true medals in one slot machine, it is possible to perform appropriate authenticity determination by the MPU 29.
  • a plurality of authenticity determination range sets are stored in the MPU 29 in advance, and the authenticity determination range set used for authenticity determination among the plurality of authenticity determination range sets stored in the MPU 29 is used in the slot machine.
  • the authenticity determination ranges RA and RB used for authenticity determination are changed by being selected according to the true medal 2 to be performed and switching to the selected authenticity determination range pair.
  • the medal identification device 1 includes an adjusting unit for adjusting the upper thresholds AH and BH and the lower thresholds AL and BL, and according to the true medal 2 to be used in the slot machine.
  • the upper limit thresholds AH and BH and / or the lower limit thresholds AL and BL may be adjusted by this adjusting means, so that the authenticity determination ranges RA and RB used for authenticity determination may be changed.
  • the adjusting means is, for example, a switch such as a dip switch or a dial switch, or a volume controller, and the upper thresholds AH and BH and / or the lower thresholds AL and BL are manually adjusted.
  • the adjusting means is a dip switch or a dial switch
  • the upper limit thresholds AH and BH and the lower limit thresholds AL and BL can be adjusted stepwise.
  • the adjusting means is a volume controller
  • the upper limit threshold AH, BH and lower limit threshold values AL and BL can be continuously adjusted in a stepless manner.
  • the adjusting means may be a personal computer (PC) connected to the medal identification device 1 via a predetermined cable, or a PC that performs wireless communication with the medal identification device 1. Also good.
  • PC personal computer
  • the upper limit threshold values AH and BH and the lower limit threshold values AL and BL are set to the true medal 2 using the adjusting means. Since it can be adjusted to a corresponding value, the MPU 29 can make an appropriate authenticity determination.
  • the medal identification device 1 is provided with a mechanical switch for switching the authenticity determination range set, and the authenticity determination range set is switched by this switch.
  • a personal computer PC
  • the authenticity determination range may be switched by an operation on the PC.
  • the authenticity determination range may be switched by performing wireless communication between the medal identification device 1 and the PC.
  • the medal identification device 1 is provided with a mechanical switch for switching between the authenticity determination mode and the authenticity determination range setting mode, and the mode is switched by this switch.
  • the mode may be switched by an operation on a PC connected via a cable, or the mode may be switched by performing wireless communication between the medal identification device 1 and the PC.
  • the medal identification device 1 is configured so that the signal levels of the coil output signals SG1 and SG2 increase when the medal 2 passes through the passage 5 while the exciting coil 8 generates an alternating magnetic field.
  • This circuit is configured.
  • the medal identification device is configured so that the signal levels of the coil output signals SG1 and SG2 are reduced.
  • One circuit may be configured. In this case, based on the bottom value of the coil output signal SG1 when the medal 2 passes through the sensor 4 and the bottom value of the coil output signal SG2 when the medal 2 passes through the sensor 4, the passage 5 is It is identified whether or not the passing medal 2 is a true medal. In this case, when the signal level of the coil output signal SG1 is equal to or lower than a predetermined threshold, the signal values of the coil output signals SG1 and SG2 are acquired.
  • the sensor 4 includes two detection coils 9 and 10.
  • the number of detection coils provided in the sensor 4 may be one, or may be three or more.
  • the convex part should just be formed in the 2nd core 13 according to the number of the coils for a detection.
  • the sensor 4 is provided with the cyclic
  • the signal levels of the coil output signals SG1 and SG2 are regularly adjusted so that the signal levels of the coil output signals SG1 and SG2 during standby are within a predetermined range.
  • the signal levels of the coil output signals SG1 and SG2 may not be periodically adjusted.
  • the MPU 29 acquires the signal values of the coil output signals SG1 and SG2 when the signal level of the coil output signal SG1 is equal to or higher than a predetermined threshold, but the MPU 29 Regardless of the signal level of the signal SG1, the signal values of the coil output signals SG1 and SG2 may be acquired at a constant sampling period.
  • the sensor 4 is a magnetic sensor, but the sensor 4 may be another non-contact type sensor such as a capacitance sensor.
  • the medal identification device 1 is mounted and used in a slot machine.
  • the medal identification device 1 is mounted and used in a game machine other than the slot machine, such as a medal game machine. Also good.
  • the medal identification device 1 may be used by being mounted on a medal purchasing machine or a medal counting machine.
  • the apparatus for identifying other coin-shaped to-be-detected bodies, such as a medal used with a game machine may be sufficient.
  • the medal 2 in the present invention is not limited to a medal used in a slot machine or a game machine, and may be a coin.
  • the medal purchase machine is a device for inserting cash and purchasing medals, and is installed between slot machines or at the hall entrance.
  • the medal counter is a device for counting the number of medals collected from each slot machine. For example, one medal counting machine is installed for a predetermined number of slot machines (for example, each island is installed), and a plurality of slot machines constituting the island where the medal counting machines are installed. Count the number of medals 2 gathered.
  • the medal counter is, for example, a collective central processing unit that further collects medals 2 collected for each island and counts the number.
  • the medal counter is a device that counts the number of medals 2 in order to replace the medals 2 with prizes, for example.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Slot Machines And Peripheral Devices (AREA)
  • Testing Of Coins (AREA)
PCT/JP2014/057430 2013-05-09 2014-03-19 メダル識別装置 WO2014181584A1 (ja)

Priority Applications (1)

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CN201480025318.3A CN105190711A (zh) 2013-05-09 2014-03-19 游戏币识别装置

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JP2013099340A JP2014219869A (ja) 2013-05-09 2013-05-09 メダル識別装置
JP2013-099340 2013-05-09

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EP3848101B1 (en) * 2018-09-06 2024-04-17 Angel Playing Cards Co., Ltd. System for managing gaming token money
CN112783012B (zh) * 2019-11-08 2023-11-07 青岛海尔洗衣机有限公司 用于投币装置的投币检测方法、系统及衣物处理设备

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH0644436A (ja) * 1992-05-15 1994-02-18 Minerva:Kk コイン検出装置
JP2010134657A (ja) * 2008-12-03 2010-06-17 Glory Ltd 硬貨識別装置および硬貨識別方法
JP2011008641A (ja) * 2009-06-26 2011-01-13 Asahi Seiko Co Ltd コインホッパ
JP2011141711A (ja) * 2010-01-07 2011-07-21 Panasonic Corp 硬貨識別装置

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Publication number Priority date Publication date Assignee Title
JP3944557B2 (ja) * 2002-12-26 2007-07-11 旭精工株式会社 コインセンサ
JP5608548B2 (ja) * 2010-12-28 2014-10-15 日本電産サンキョー株式会社 磁気センサユニット

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0644436A (ja) * 1992-05-15 1994-02-18 Minerva:Kk コイン検出装置
JP2010134657A (ja) * 2008-12-03 2010-06-17 Glory Ltd 硬貨識別装置および硬貨識別方法
JP2011008641A (ja) * 2009-06-26 2011-01-13 Asahi Seiko Co Ltd コインホッパ
JP2011141711A (ja) * 2010-01-07 2011-07-21 Panasonic Corp 硬貨識別装置

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